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BEGIN:VEVENT
SUMMARY:Higher Dimensional Theories and the Banks-Zaks Fixed Point of QCD.
DTSTART;VALUE=DATE-TIME:20160114T173000Z
DTEND;VALUE=DATE-TIME:20160114T175500Z
DTSTAMP;VALUE=DATE-TIME:20210804T071851Z
UID:indico-contribution-502-2864@conference.ippp.dur.ac.uk
DESCRIPTION:Speakers: Rebecca Simms (University of Liverpool)\nQCD and oth
er asymptotically free field theories possess the unique characteristic of
the beta-function having a non-trivial fixed point. This is known as the
Banks-Zaks fixed point and is believed to have connections with the chiral
symmetry phase transition. Using perturbative quantum field theory techni
ques we can construct higher dimensional extensions of scalar and gauge th
eories. These can be linked to 4-dimensional models via a non-trivial fixe
d point. The aim of this talk will be to introduce the framework of buildi
ng towers of theories over multiple dimensions\, while also demonstrating
how UV properties of one QFT could potentially drive the IR dynamics of an
other. I will also discuss the renormalization scheme invariance of QCD cr
itical exponents that can be calculated using the Banks-Zaks fixed point.\
n\nhttps://conference.ippp.dur.ac.uk/event/502/contributions/2864/
LOCATION:Department of Mathematical Sciences CM101
URL:https://conference.ippp.dur.ac.uk/event/502/contributions/2864/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Drell-Yan production of multi-Z's at the LHC
DTSTART;VALUE=DATE-TIME:20160115T111000Z
DTEND;VALUE=DATE-TIME:20160115T113500Z
DTSTAMP;VALUE=DATE-TIME:20210804T071851Z
UID:indico-contribution-502-2865@conference.ippp.dur.ac.uk
DESCRIPTION:Speakers: Juri Fiaschi (University of Southampton)\nThe Drell-
Yan di-lepton production at hadron colliders is by far the preferred chann
el to search for new heavy spin-1 particles. Traditionally\, such searches
have exploited the Narrow Width Approximation (NWA) for the signal\, ther
eby neglecting the effect of the interference between the additional Z'-bo
sons and the Standard Model Z and γ. Recently\, it has been established t
hat both finite width and interference effects can be taken into account i
n experimental searches while still retaining the model independent approa
ch ensured by the NWA. This assessment has been made for the case of popul
ar single-Z' models currently probed at the Large Hadron Collider (LHC). I
n this talk I review the scope of the CERN machine in relation to the abov
e respects for the case of some benchmark multi-Z' models. In particular\,
we consider Non-Universal Extra Dimensional (NUED) scenarios and the 4-Di
mensional Composite Higgs Model (4DCHM)\, both predicting a multi-Z' peaki
ng structure.\n\nhttps://conference.ippp.dur.ac.uk/event/502/contributions
/2865/
LOCATION:Department of Mathematical Sciences CM101
URL:https://conference.ippp.dur.ac.uk/event/502/contributions/2865/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Baby Skyrmions in AdS
DTSTART;VALUE=DATE-TIME:20160114T154500Z
DTEND;VALUE=DATE-TIME:20160114T161000Z
DTSTAMP;VALUE=DATE-TIME:20210804T071851Z
UID:indico-contribution-502-2866@conference.ippp.dur.ac.uk
DESCRIPTION:Speakers: Matthew Elliot-Ripley (Durham University)\nStudies i
n holographic contexts\, such as holographic QCD and holographic supercond
uctors\, have motivated the investigation of solitons in AdS and AdS-like
spacetimes. In this talk we will investigate the baby Skyrme model in a pu
re AdS background without a pion mass term\, and numerically find soliton
and multi-soliton solutions. We find that ring-like structures appear to b
e energetically favourable\, and we construct a point-particle approximati
on to predict the energy-minimising configurations at higher topological c
harges.\n\nhttps://conference.ippp.dur.ac.uk/event/502/contributions/2866/
LOCATION:Department of Mathematical Sciences CM107
URL:https://conference.ippp.dur.ac.uk/event/502/contributions/2866/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Searches for NMSSM Signatures in CMS
DTSTART;VALUE=DATE-TIME:20160114T191500Z
DTEND;VALUE=DATE-TIME:20160114T203000Z
DTSTAMP;VALUE=DATE-TIME:20210804T071851Z
UID:indico-contribution-502-2867@conference.ippp.dur.ac.uk
DESCRIPTION:Speakers: Alexander Titterton (University of Southampton)\nhtt
ps://conference.ippp.dur.ac.uk/event/502/contributions/2867/
LOCATION:Department of Physics Bransden Room
URL:https://conference.ippp.dur.ac.uk/event/502/contributions/2867/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Frame Covariant Formulation of Inflation Using a Generalised Appro
ach to the Inflationary Attractor
DTSTART;VALUE=DATE-TIME:20160114T152000Z
DTEND;VALUE=DATE-TIME:20160114T154500Z
DTSTAMP;VALUE=DATE-TIME:20210804T071851Z
UID:indico-contribution-502-2868@conference.ippp.dur.ac.uk
DESCRIPTION:Speakers: Sotirios Karamitsos (University of Manchester)\nInfl
ation has been a very successful generic explanation of the origin of cosm
ological anisotropies. However\, the multitude of inflationary models\, al
l with numerous different theoretical underpinnings\, poses a challenge in
determining the fundamental driving mechanism of inflation. With the aim
of obtaining predictions from inflationary models in a concise and straigh
tforward manner\, we extend the potential slow-roll approximation and deri
ve new\, generalised forms for the potential slow-roll parameters. Thus\,
we are able to extract predictions for cosmological observables for a wide
class of inflationary models (scalar-curvature theories). We furthermore
show that\, under the generalised potential approach\, frame transformatio
ns (conformal transformations and inflaton reparametrisations) leave obser
vable quantities invariant. We apply the generalised potential formalism t
o induced gravity inflation and Higgs inflation\, and show that\, since no
approximations to the potential need be made\, more accurate results for
observable quantities are obtained.\n\nhttps://conference.ippp.dur.ac.uk/e
vent/502/contributions/2868/
LOCATION:Department of Mathematical Sciences CM101
URL:https://conference.ippp.dur.ac.uk/event/502/contributions/2868/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Shift-Symmetries at one-loop
DTSTART;VALUE=DATE-TIME:20160114T173000Z
DTEND;VALUE=DATE-TIME:20160114T175500Z
DTSTAMP;VALUE=DATE-TIME:20210804T071851Z
UID:indico-contribution-502-2869@conference.ippp.dur.ac.uk
DESCRIPTION:Speakers: Richard Stewart (University of Durham)\nA feature of
the low energy theories of certain string models is the existence of a \n
shift-symmetry in the Kähler potential at tree level. In this talk I will
consider the fate of this shift-symmetry at one-loop and show that while
it does not generally hold at this order\, there is a certain limit of com
pactification where the symmetry is restored. I will then argue why we exp
ect this restoration to hold to all orders in perturbation theory.\n\nhttp
s://conference.ippp.dur.ac.uk/event/502/contributions/2869/
LOCATION:Department of Mathematical Sciences CM107
URL:https://conference.ippp.dur.ac.uk/event/502/contributions/2869/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Muon g-2: data combination\, fitting and systematic bias
DTSTART;VALUE=DATE-TIME:20160115T095000Z
DTEND;VALUE=DATE-TIME:20160115T101500Z
DTSTAMP;VALUE=DATE-TIME:20210804T071851Z
UID:indico-contribution-502-2870@conference.ippp.dur.ac.uk
DESCRIPTION:Speakers: Alex Keshavarzi (University of Liverpool)\nThe anoma
lous magnetic moment of the muon\, $a_{\\mu}$\, stands as an enduring prec
ision test of the Standard Model. With the hadronic contribution providing
the largest uncertainty to the standing $3.3\\sigma$ discrepancy between
theoretical and experimental estimates\, the combination of $e^{+}e^{-} \\
rightarrow$ hadrons cross section data in the determination of $a_{\\mu}^{
\\text{had\, LOVP}}$ must be statistically reliable to achieve a precise e
stimate to $a_{\\mu}^{\\text{SM}}$. Recent studies have highlighted the pr
ospect of systematic biases that can arise through the fitting of global n
ormalisation uncertainties. An analysis of the existing fitting method sho
ws that although it has the potential to incur a bias\, previous results a
re still reliable. However\, it necessary to produce a new\, unbiased iter
ative fitting procedure: the $R_m^I$ method. Applying this new method in t
he determination of the dominant $e^{+}e^{-} \\rightarrow \\pi^{+}\\pi^{-}
$ hadronic contribution yields an unbiased result of $a_{\\mu}^{\\pi^{+}\\
pi^{-}}(0.305 \\leq \\sqrt{s} \\leq 2 \\ \\text{GeV}) = (504.42 \\pm 2.24)
\\times 10^{-10}$. We then apply the $R_m^I$ method to other dominant had
ronic channels as an indication of the impact on a full analysis of the de
termination of $a_{\\mu}^{\\text{had\, LOVP}}$\n\nhttps://conference.ippp.
dur.ac.uk/event/502/contributions/2870/
LOCATION:Department of Mathematical Sciences CM101
URL:https://conference.ippp.dur.ac.uk/event/502/contributions/2870/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Blackhat - Efficient Calculation of NLO amplitudes for Higgs + man
y jets
DTSTART;VALUE=DATE-TIME:20160115T122500Z
DTEND;VALUE=DATE-TIME:20160115T125000Z
DTSTAMP;VALUE=DATE-TIME:20210804T071851Z
UID:indico-contribution-502-2871@conference.ippp.dur.ac.uk
DESCRIPTION:Speakers: Simon Armstrong (IPPP)\nI will give a short intro to
the blackhat library which I have been working on\, why we need efficient
high multiplicity NLO amplitudes\, how we can calculate them using genera
lised unitarity\, BCFW and how to not need 6 or more dimensions.\n\nhttps:
//conference.ippp.dur.ac.uk/event/502/contributions/2871/
LOCATION:Department of Mathematical Sciences CM107
URL:https://conference.ippp.dur.ac.uk/event/502/contributions/2871/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Looking for signatures of a modified speed of sound for the tensor
modes.
DTSTART;VALUE=DATE-TIME:20160115T101500Z
DTEND;VALUE=DATE-TIME:20160115T104000Z
DTSTAMP;VALUE=DATE-TIME:20210804T071851Z
UID:indico-contribution-502-2872@conference.ippp.dur.ac.uk
DESCRIPTION:Speakers: Sebastian Cespedes (DAMTP\, University of Cambridge)
\nHigher derivative interactions might induce an effective speed of sound
for the tensor modes. Such speed can be removed by a disformal transformat
ion which is a change in the light cone slope. This transformation rescale
the coordinates in such a way that the scalar modes get a effective speed
. We study the effects of this transformation for CMB photons propagation.
We find that by using this method it is possible to impose heavy constrai
nts to an effective theory for gravitational waves.\n\nhttps://conference
.ippp.dur.ac.uk/event/502/contributions/2872/
LOCATION:Department of Mathematical Sciences CM107
URL:https://conference.ippp.dur.ac.uk/event/502/contributions/2872/
END:VEVENT
BEGIN:VEVENT
SUMMARY:A smörgåsbord of flavour in GUTs
DTSTART;VALUE=DATE-TIME:20160115T120000Z
DTEND;VALUE=DATE-TIME:20160115T122500Z
DTSTAMP;VALUE=DATE-TIME:20210804T071851Z
UID:indico-contribution-502-2873@conference.ippp.dur.ac.uk
DESCRIPTION:Speakers: Fredrik Björkeroth (University of Southampton)\nThe
re are many open questions in high energy physics today\, ranging from the
origin of neutrino mass to the strong CP problem. In particular\, there i
s no current frontrunner for a theory which explains the flavour mixing an
d mass hierarchies within the SM\, though some of the most complete and re
alistic attempts are found among Flavour GUTs. I will review two such mode
ls\, based on SU(5) and SO(10) with discrete flavour symmetries\, and show
how they may simultaneously resolve several open questions related to fla
vour\, gauge coupling unification\, and cosmology.\n\nhttps://conference.i
ppp.dur.ac.uk/event/502/contributions/2873/
LOCATION:Department of Mathematical Sciences CM101
URL:https://conference.ippp.dur.ac.uk/event/502/contributions/2873/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Quantum field theory of fluids
DTSTART;VALUE=DATE-TIME:20160114T181500Z
DTEND;VALUE=DATE-TIME:20160114T191500Z
DTSTAMP;VALUE=DATE-TIME:20210804T071851Z
UID:indico-contribution-502-2874@conference.ippp.dur.ac.uk
DESCRIPTION:Speakers: Ben Gripaios (Cambridge)\nI discuss the quantization
of a perfect fluid. This differs from textbook quantum field theory\, bec
ause of the presence of vortex modes\, which map to an infinite collection
of quantum mechanical free particles rather than harmonic oscillators. As
a result\, the theory is plagued by infra-red divergences. I argue that t
here exists\, nevertheless\, a consistent effective field theory descripti
on\, valid at large distances and times.\n\nhttps://conference.ippp.dur.ac
.uk/event/502/contributions/2874/
LOCATION:Department of Mathematical Sciences CM101
URL:https://conference.ippp.dur.ac.uk/event/502/contributions/2874/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Tales of the Unexpected: One-Loop Soft Theorems via Hidden Symmetr
ies
DTSTART;VALUE=DATE-TIME:20160115T113500Z
DTEND;VALUE=DATE-TIME:20160115T120000Z
DTSTAMP;VALUE=DATE-TIME:20210804T071851Z
UID:indico-contribution-502-2875@conference.ippp.dur.ac.uk
DESCRIPTION:Speakers: Edward Hughes (Queen Mary University of London)\nCon
trolling infrared divergences in QFT cross-sections has been an important
phenomenological problem for many decades. Recently\, there has been renew
ed theoretical interest\, with the observation that soft theorems emerge a
s the Ward identities of asymptotic symmetries\, at least at tree level. I
shall discuss recent work probing the one-loop corrections to subleading
soft theorems in the context of N=4 super-Yang-Mills theory. In particular
\, I shall outline how hidden symmetries may be used to constrain the form
of such corrections. Further\, I shall present new computations which det
ermine the corrections precisely\, revealing them to have a surprisingly s
imple form. These results may find fruitful application in QCD resummation
and the development of holographic theories. The talk is based on arXiv:1
511.06716.\n\nhttps://conference.ippp.dur.ac.uk/event/502/contributions/28
75/
LOCATION:Department of Mathematical Sciences CM107
URL:https://conference.ippp.dur.ac.uk/event/502/contributions/2875/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Double copy of classical bremsstrahlung solutions
DTSTART;VALUE=DATE-TIME:20160115T111000Z
DTEND;VALUE=DATE-TIME:20160115T113500Z
DTSTAMP;VALUE=DATE-TIME:20210804T071851Z
UID:indico-contribution-502-2876@conference.ippp.dur.ac.uk
DESCRIPTION:Speakers: Andrés Luna-Godoy (University of Glasgow)\nThe BCJ
double copy relates scattering amplitudes of gauge and gravity theories. I
n an attempt to study this duality in a non-perturbative context\, it was
recently found that Kerr-Schild solutions in general relativity are someho
w a double copy of linearised Yang-Mills solutions. In this talk I apply t
he solutions double copy procedure to bremsstrahlung systems and explain i
ts relation to the scattering amplitudes double copy.\n\nhttps://conferenc
e.ippp.dur.ac.uk/event/502/contributions/2876/
LOCATION:Department of Mathematical Sciences CM107
URL:https://conference.ippp.dur.ac.uk/event/502/contributions/2876/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Engineering F-Theory GUTs
DTSTART;VALUE=DATE-TIME:20160114T170500Z
DTEND;VALUE=DATE-TIME:20160114T173000Z
DTSTAMP;VALUE=DATE-TIME:20210804T071851Z
UID:indico-contribution-502-2877@conference.ippp.dur.ac.uk
DESCRIPTION:Speakers: Johar Ashfaque (University of Liverpool)\nAttempts h
ave been made at constructing D-brane GUT models which suffer from a numbe
r of difficulties like the lack of spinor representation for the SO(10) or
the perturbative vanishing of the top quark Yukawa couplings for the SU(5
) models. In fact\, these difficulties arose as the past constructions rel
ied heavily on local 7-branes. Such obstacles can be avoided by considerin
g mutually non-local 7-branes. This enlarged class of models goes under th
e name of F-theory. F-theory encodes the physics of 7-branes in higher-dim
ensional geometry. Moreover\, in certain limits F-theory is dual to the he
terotic E8xE8 and M-theory. As a matter of fact\, one of the most convenie
nt ways to think about F-theory is via the duality with M-theory. This met
hod is used to construct global F-theory GUTs.\n\nThe aim of the talk will
be to introduce some of the key ideas in engineering F-theory GUTs. We wi
ll look at some aspects of the SU(5) (extensive work has been done in this
case) and the SO(10) GUT like matter curves and Yukawa points. To conclud
e\, GUT breaking methods will be discussed briefly and work in progress wi
ll be mentioned.\n\nhttps://conference.ippp.dur.ac.uk/event/502/contributi
ons/2877/
LOCATION:Department of Mathematical Sciences CM107
URL:https://conference.ippp.dur.ac.uk/event/502/contributions/2877/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Estimation for 2 dimensional free fermion negativity
DTSTART;VALUE=DATE-TIME:20160114T164000Z
DTEND;VALUE=DATE-TIME:20160114T170500Z
DTSTAMP;VALUE=DATE-TIME:20210804T071851Z
UID:indico-contribution-502-2878@conference.ippp.dur.ac.uk
DESCRIPTION:Speakers: Yihong Wang (Stonybrook University)\nQuantum entangl
ement is a has played an increasingly important role in string theory.In t
his presentation\, I will talk about negativity\, a measure of entangleme
nt for tripartite systems. In particularly\, the negativity of a 2 dimensi
onal free fermion\, which is still a open question. I will discuss the mai
n difficulty and current knowledge of the free fermion negativity and intr
oduce a path integral which is a convenient tool to help us study the feat
ure of negativity.\n\nhttps://conference.ippp.dur.ac.uk/event/502/contribu
tions/2878/
LOCATION:Department of Mathematical Sciences CM107
URL:https://conference.ippp.dur.ac.uk/event/502/contributions/2878/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Charming Dark Matter
DTSTART;VALUE=DATE-TIME:20160114T145500Z
DTEND;VALUE=DATE-TIME:20160114T152000Z
DTSTAMP;VALUE=DATE-TIME:20210804T071851Z
UID:indico-contribution-502-2879@conference.ippp.dur.ac.uk
DESCRIPTION:Speakers: Matthew Kirk (IPPP\, Durham University)\nDark matter
models are often studied using the _Minimal Flavour Violation_ framework
which restricts the new physics in various flavour measurements (e.g. meso
n mixing\, rare decays).\n\nI will talk about an extension of minimal flav
our violation that allows for sizeable contributions to flavour observable
s\, and explain how neutral meson mixing can constrain certain dark matter
models in this extended framework. I will also present an initial look at
the constraints on my model from both flavour and dark matter observables
.\n\nhttps://conference.ippp.dur.ac.uk/event/502/contributions/2879/
LOCATION:Department of Mathematical Sciences CM101
URL:https://conference.ippp.dur.ac.uk/event/502/contributions/2879/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Unitarity bound in the composite two Higgs doublet model
DTSTART;VALUE=DATE-TIME:20160115T101500Z
DTEND;VALUE=DATE-TIME:20160115T104000Z
DTSTAMP;VALUE=DATE-TIME:20210804T071851Z
UID:indico-contribution-502-2880@conference.ippp.dur.ac.uk
DESCRIPTION:Speakers: Emine Yildirim (University of Southampton)\nWe discu
ss a composite two Higgs doublet model based on a symmetry breaking SO(6)
× U (1)_x → SO(4) ×SO(2) × U (1)_x at a scale f\, and explain how th
e effective kinetic terms and Yukawa interactions are obtained. The coupli
ng of the Higgs boson as a pseudo Nambu-Goldstone boson to the standard mo
del fields can deviate from that of the standard model Higgs boson due to
the non-linear feature. These deviations cause to unitarity violation at h
igh energies because the cancellation of the quadratic energy terms does n
ot happen. We will examine the constrains on parameter space from perturba
tive unitarity with a fixed energy scale in the composite two Higgs double
t model.\n\nhttps://conference.ippp.dur.ac.uk/event/502/contributions/2880
/
LOCATION:Department of Mathematical Sciences CM101
URL:https://conference.ippp.dur.ac.uk/event/502/contributions/2880/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Supergravity Couplings from CFT Correlation Functions
DTSTART;VALUE=DATE-TIME:20160114T152000Z
DTEND;VALUE=DATE-TIME:20160114T154500Z
DTSTAMP;VALUE=DATE-TIME:20210804T071851Z
UID:indico-contribution-502-2881@conference.ippp.dur.ac.uk
DESCRIPTION:Speakers: Stanislav Schmidt (University of Southampton)\nThe g
auge/gravity correspondence offers a unique tool for understanding strongl
y coupled quantum field theories and quantum gravity\, which made it one o
f the leading research fields in theoretical physics in the last 15 years.
Over the years the correspondence has been refined and many lessons have
been learned. However\, with the complexity of the duality there are still
a huge number of questions to answer and conjectures to be tested. We wou
ld like to pick up some of these\, and try to complete our understanding o
f the supergravity couplings by inferring knowledge about the field theory
on the other side of the duality. This also provides a way of testing the
correspondence itself.\n\nhttps://conference.ippp.dur.ac.uk/event/502/con
tributions/2881/
LOCATION:Department of Mathematical Sciences CM107
URL:https://conference.ippp.dur.ac.uk/event/502/contributions/2881/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Charming Dark Matter
DTSTART;VALUE=DATE-TIME:20160114T191500Z
DTEND;VALUE=DATE-TIME:20160114T203000Z
DTSTAMP;VALUE=DATE-TIME:20210804T071851Z
UID:indico-contribution-502-2882@conference.ippp.dur.ac.uk
DESCRIPTION:Speakers: Matthew Kirk (IPPP\, Durham University)\nhttps://con
ference.ippp.dur.ac.uk/event/502/contributions/2882/
LOCATION:Department of Physics Bransden Room
URL:https://conference.ippp.dur.ac.uk/event/502/contributions/2882/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Reconstructing dileptonic $t\\bar{t}$ events (and doing stuff with
them)
DTSTART;VALUE=DATE-TIME:20160115T092500Z
DTEND;VALUE=DATE-TIME:20160115T095000Z
DTSTAMP;VALUE=DATE-TIME:20210804T071851Z
UID:indico-contribution-502-2883@conference.ippp.dur.ac.uk
DESCRIPTION:Speakers: Karl Nordstrom (University of Glasgow)\nTop pair pro
duction is one of the most widely studied interactions at the LHC and offe
rs opportunities both to improve our understanding of Standard Model "para
meters" like parton density functions and constrain or potentially discove
r new physics beyond the Standard Model.\n\nAn interesting family of obser
vables in top pair production are angular correlations which can probe the
spin correlations between the two tops and the polarisations of the indiv
idual tops themselves\, both of which can be sensitive to new physics effe
cts. The dileptonic decay channel is useful for studying spin correlation
observables since the two leptons are experimentally very clean and straig
htforward to interpret. However for studying polarisations we need to full
y reconstruct the individual top momenta which presents a challenge since
we expect two hard neutrinos in the final state\, which we only can detect
as a single missing transverse momentum vector. We are therefore forced t
o figure out how to get reliable solution(s) for the two neutrinos out of
this underconstrained kinematic system if we want to fully reconstruct the
individual top momenta\, keeping in mind that the method must be robust a
gainst the considerable noise present in real world LHC data.\n\nIn this t
alk I will focus on the so-called "MT2 Assisted On-Shell" (MAOS) neutrino
reconstruction method\, with some brief remarks about other methods curren
tly in use. I will introduce the MT2 observable itself and show you how to
calculate it. If time permits I will also briefly discuss some potential
phenomenological applications of using this reconstruction to calculate ob
servables.\n\nhttps://conference.ippp.dur.ac.uk/event/502/contributions/28
83/
LOCATION:Department of Mathematical Sciences CM101
URL:https://conference.ippp.dur.ac.uk/event/502/contributions/2883/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Applying Colour-Kinematics Duality to the Unitarity Method
DTSTART;VALUE=DATE-TIME:20160115T120000Z
DTEND;VALUE=DATE-TIME:20160115T122500Z
DTSTAMP;VALUE=DATE-TIME:20210804T071851Z
UID:indico-contribution-502-2884@conference.ippp.dur.ac.uk
DESCRIPTION:Speakers: Gustav Mogull (University of Edinburgh)\nColour-kine
matics duality in tree-level Yang-Mills amplitudes (BCJ relations) invites
new possibilities for loop-level computations. In this talk I shall brie
fly introduce the generalised unitarity approach at one loop. Then\, in t
he context of a 5-gluon\, 2-loop QCD amplitude\, I will demonstrate how th
e BCJ relations can be applied to unitarity cuts. This allows leading col
our information to be recycled into nonleading colour.\n\nhttps://conferen
ce.ippp.dur.ac.uk/event/502/contributions/2884/
LOCATION:Department of Mathematical Sciences CM107
URL:https://conference.ippp.dur.ac.uk/event/502/contributions/2884/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Next-to-Leading Log Contributions to Jet Production with High Ener
gy Jets
DTSTART;VALUE=DATE-TIME:20160114T164000Z
DTEND;VALUE=DATE-TIME:20160114T170500Z
DTSTAMP;VALUE=DATE-TIME:20210804T071851Z
UID:indico-contribution-502-2885@conference.ippp.dur.ac.uk
DESCRIPTION:Speakers: James Cockburn (University of Edinburgh)\nIn its emb
ryonic form\, High Energy Jets (HEJ) is a perturbative framework which all
ows for the resummation of QCD processes to Leading Log (LL) accuracy. Thi
s talk will briefly outline how the framework is derived and the key featu
res of the resummation technique. Following on from this\, we present how
the formalism could be improved to Next-to-Leading Log (NLL) accuracy. We
focus specifically on the inclusion of contributions which are formally su
b-leading in jet production but LL in a particular partonic subprocess\, e
xtending the range of HEJ's applicability.\n\nhttps://conference.ippp.dur.
ac.uk/event/502/contributions/2885/
LOCATION:Department of Mathematical Sciences CM101
URL:https://conference.ippp.dur.ac.uk/event/502/contributions/2885/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Renormalized entanglement entropy
DTSTART;VALUE=DATE-TIME:20160114T143000Z
DTEND;VALUE=DATE-TIME:20160114T145500Z
DTSTAMP;VALUE=DATE-TIME:20210804T071851Z
UID:indico-contribution-502-2886@conference.ippp.dur.ac.uk
DESCRIPTION:Speakers: William Woodhead (University of Southampton)\nEntang
lement entropy is a quantity that has received a large amount of attention
recently in the literature\, especially after the holographic prescriptio
n from Ryu and Takayanagi. It is a well known fact that the entanglement e
ntropy is a UV divergent quantity and therefore should be renormalized.\n\
nThere have been attempts recently to define a renormalized version of the
entanglement entropy\, though previous attempts have all fallen short in
one area or another. In this talk I will present recent work done with my
supervisor\, Marika Taylor\, on formulating a renormalized holographic ent
anglement entropy using the standard holographic renormalization methods.\
n\nhttps://conference.ippp.dur.ac.uk/event/502/contributions/2886/
LOCATION:Department of Mathematical Sciences CM107
URL:https://conference.ippp.dur.ac.uk/event/502/contributions/2886/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Observing the String Axiverse
DTSTART;VALUE=DATE-TIME:20160114T143000Z
DTEND;VALUE=DATE-TIME:20160114T145500Z
DTSTAMP;VALUE=DATE-TIME:20210804T071851Z
UID:indico-contribution-502-2887@conference.ippp.dur.ac.uk
DESCRIPTION:Speakers: Francesca Day (University of Oxford)\nAxion-like par
ticles (ALPs) populating many decades in mass (an "axiverse") are generica
lly predicted by string theory. Depending on their mass and production mec
hanism\, these ALPs may contribute to dark matter\, dark energy and dark r
adiation. Such ALPs are potentially observable via their interaction with
electromagnetism\, leading to ALP-photon conversion in an external magneti
c field. I will present predicted signals from axiverse dark matter and da
rk radiation in galaxies and galaxy clusters.\n\nhttps://conference.ippp.d
ur.ac.uk/event/502/contributions/2887/
LOCATION:Department of Mathematical Sciences CM101
URL:https://conference.ippp.dur.ac.uk/event/502/contributions/2887/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Hot Multiboundary Wormholes from Bipartite Entanglement
DTSTART;VALUE=DATE-TIME:20160114T145500Z
DTEND;VALUE=DATE-TIME:20160114T152000Z
DTSTAMP;VALUE=DATE-TIME:20210804T071851Z
UID:indico-contribution-502-2888@conference.ippp.dur.ac.uk
DESCRIPTION:Speakers: Alexander Peach (Durham University)\nMany beautiful\
, recent results in the field of holography have made manifest that poigna
nt aspects of bulk geometry are encoded in the boundary theory as quantum
information. In particular\, Susskind's recently conjectured ER=EPR conjec
ture pertains to the view that there is an intimate connection between ent
anglement entropy in the boundary theory and connectedness of the dual\, b
ulk geometry. We investigated the spatial dependence of the entanglement e
ntropy for 2D boundary CFT states dual to 3D multi-boundary wormholes. In
this context\, one can probe the entanglement structure with the RT conjec
ture by simply computing and comparing lengths of geodesics. We found that
when the temperatures of the boundary CFTs tend to infinity the spatial d
ependence of the entanglement entropy supporting to the wormhole is extrem
ely simple and purely bipartite.\n\nhttps://conference.ippp.dur.ac.uk/even
t/502/contributions/2888/
LOCATION:Department of Mathematical Sciences CM107
URL:https://conference.ippp.dur.ac.uk/event/502/contributions/2888/
END:VEVENT
BEGIN:VEVENT
SUMMARY:NNLO Soft Functions and Non-Cusp Soft Anomalous Dimensions in SCET
DTSTART;VALUE=DATE-TIME:20160114T170500Z
DTEND;VALUE=DATE-TIME:20160114T173000Z
DTSTAMP;VALUE=DATE-TIME:20210804T071851Z
UID:indico-contribution-502-2889@conference.ippp.dur.ac.uk
DESCRIPTION:Speakers: Jim Talbert (University of Oxford)\nI will present a
n algorithm for the automated calculation of NNLO dijet soft functions\, a
nd show novel results for a variety of collider observables. I will also
detail the extraction of the associated two-loop\, non-cusp soft anomalous
dimensions necessary for resummations at NNLL accuracy in the Soft Collin
ear Effective Theory (SCET).\n\nhttps://conference.ippp.dur.ac.uk/event/50
2/contributions/2889/
LOCATION:Department of Mathematical Sciences CM101
URL:https://conference.ippp.dur.ac.uk/event/502/contributions/2889/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Discovering Z' bosons in Minimal Walking Technicolor
DTSTART;VALUE=DATE-TIME:20160114T191500Z
DTEND;VALUE=DATE-TIME:20160114T203000Z
DTSTAMP;VALUE=DATE-TIME:20210804T071851Z
UID:indico-contribution-502-2890@conference.ippp.dur.ac.uk
DESCRIPTION:Speakers: Azaria Coupe (University of Southampton)\nhttps://co
nference.ippp.dur.ac.uk/event/502/contributions/2890/
LOCATION:Department of Physics Bransden Room
URL:https://conference.ippp.dur.ac.uk/event/502/contributions/2890/
END:VEVENT
BEGIN:VEVENT
SUMMARY:First integrals of affine connections on surfaces
DTSTART;VALUE=DATE-TIME:20160115T092500Z
DTEND;VALUE=DATE-TIME:20160115T095000Z
DTSTAMP;VALUE=DATE-TIME:20210804T071851Z
UID:indico-contribution-502-2891@conference.ippp.dur.ac.uk
DESCRIPTION:Speakers: Felipe Contatto (Department of Applied Maths and The
oretical Physics - Cambridge)\nGiven a pseudo-Riemannian manifold\, there
is a natural notion of geodesics defined by the Levi-Civita connection. Bu
t the geodesic equations can be written just in terms of the Christoffel s
ymbols $\\Gamma$:\n\\begin{equation}\n\\ddot x^a+\\Gamma^a_{bc} \\dot x^b\
\dot x^c=0\,\n\\end{equation}\nwhere $x^a$ are local coordinates. Therefor
e\, geodesics can be defined for any symmetric affine connection (not nece
ssarily metric). The same is true for Killing forms $K_a$\, which are defi
ned to be solutions to\n$$ \\nabla_{(a}K_{b)}:=\\frac{1}{2}(\\nabla_{a}K_{
b}-\\nabla_{b}K_{a})=0\,$$\nand correspond to first integrals of the geode
sic equations linear in the momenta: $K_a \\dot x^a$.\n\nI will present th
e method of prolongation and Frobenius theorem to determine necessary and
sufficient conditions for an affine connection on a two-dimensional manifo
ld (not necessarily endowed with a metric) to admit 0\, 1\, 2 or 3 Killing
forms.\n\nReference: F. Contatto\, M. Dunajski. (2015) First integrals of
affine connections and Hamiltonian systems of hydrodynamic type. [ arXiv:
1510.01906 ]\n\nhttps://conference.ippp.dur.ac.uk/event/502/contributions/
2891/
LOCATION:Department of Mathematical Sciences CM107
URL:https://conference.ippp.dur.ac.uk/event/502/contributions/2891/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Higgs decays in SM Effective Field Theory at one-loop
DTSTART;VALUE=DATE-TIME:20160115T122500Z
DTEND;VALUE=DATE-TIME:20160115T125000Z
DTSTAMP;VALUE=DATE-TIME:20210804T071851Z
UID:indico-contribution-502-2892@conference.ippp.dur.ac.uk
DESCRIPTION:Speakers: Darren Scott (IPPP\, Durham University)\nStandard Mo
del Effective Field Theory (SMEFT) is a method to parametrise the impact o
f new physics which may become accessible at higher energies without speci
fying its UV origin. The new physics is said to be integrated out\, leavin
g behind effective non-renormalisable operators. In this talk\, we supplem
ent the Standard Model with all (baryon number conserving) operators which
appear at dimension-6 and calculate\, to one-loop\, the amplitudes for $h
\\rightarrow b\\bar{b}$ and $h \\rightarrow \\tau \\bar{\\tau}$ in the li
mit of vanishing gauge couplings. Special attention will be given to the s
et-up and renormalisation of the amplitudes in the context of SMEFT.\n\nht
tps://conference.ippp.dur.ac.uk/event/502/contributions/2892/
LOCATION:Department of Mathematical Sciences CM101
URL:https://conference.ippp.dur.ac.uk/event/502/contributions/2892/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Lorentz-violating matter dispersion relations from modified quantu
m gravity
DTSTART;VALUE=DATE-TIME:20160115T095000Z
DTEND;VALUE=DATE-TIME:20160115T101500Z
DTSTAMP;VALUE=DATE-TIME:20210804T071851Z
UID:indico-contribution-502-2893@conference.ippp.dur.ac.uk
DESCRIPTION:Speakers: Julio Leite (King's College London)\nWe consider "cl
assical" fermions and scalars coupled to a 4-d diffeomorphism breaking gra
vity\nmodel\, and we derive the one-loop Lorentz-violating effective dispe
rsion relation for matter\,\nafter integrating out gravitons. The modified
gravity model is the z=3 non-projectable\nHorava-Lifshitz gravity which\,
due to its improved UV behaviour\, involves logarithmic divergences only.
We find that with generic values for the different parameters\, the model
leads to $10^{10}$ GeV as the typical scale above which the current upper
bounds on Lorentz violation can no longer be satisfied. On the other hand
\, it is always possible to fine-tune the parameters of the model\, such t
hat the effective maximum speed seen by particles is consistent with Speci
al Relativity.\n\nhttps://conference.ippp.dur.ac.uk/event/502/contribution
s/2893/
LOCATION:Department of Mathematical Sciences CM107
URL:https://conference.ippp.dur.ac.uk/event/502/contributions/2893/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Falsifying Baryogenesis with Neutrinoless Double Beta Decay.
DTSTART;VALUE=DATE-TIME:20160114T191500Z
DTEND;VALUE=DATE-TIME:20160114T203000Z
DTSTAMP;VALUE=DATE-TIME:20210804T071851Z
UID:indico-contribution-502-2894@conference.ippp.dur.ac.uk
DESCRIPTION:Speakers: Lukáš Gráf (University College London)\nhttps://c
onference.ippp.dur.ac.uk/event/502/contributions/2894/
LOCATION:Department of Physics Bransden Room
URL:https://conference.ippp.dur.ac.uk/event/502/contributions/2894/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Neutrinoless Double Beta Decay and High-Scale Baryogenesis
DTSTART;VALUE=DATE-TIME:20160114T154500Z
DTEND;VALUE=DATE-TIME:20160114T161000Z
DTSTAMP;VALUE=DATE-TIME:20210804T071851Z
UID:indico-contribution-502-2895@conference.ippp.dur.ac.uk
DESCRIPTION:Speakers: Lukáš Gráf (University College London)\nThe const
raints on baryogenesis models obtained from an observation of neutrinoless
double beta decay will be discussed. The lepton number violating processe
s\, which can underlie neutrinoless double beta decay\, would together wit
h sphaleron processes\, which are effective in a wide range of energies\,
wash out a primordial baryon asymmetry of the universe. Typically\, if a m
echanism of neutrinoless double beta decay other than the standard light n
eutrino exchange is observed\, typical scenarios of high-scale baryogenesi
s will be excluded. This can be achieved by different methods\, e.g. throu
gh the observation in multiple isotopes or the measurement of the decay di
stribution. In addition\, I will also highlight the connection with low en
ergy lepton flavour violation and lepton number violation at the LHC.\n\nh
ttps://conference.ippp.dur.ac.uk/event/502/contributions/2895/
LOCATION:Department of Mathematical Sciences CM101
URL:https://conference.ippp.dur.ac.uk/event/502/contributions/2895/
END:VEVENT
BEGIN:VEVENT
SUMMARY:BSM Physics with Sherpa
DTSTART;VALUE=DATE-TIME:20160115T113500Z
DTEND;VALUE=DATE-TIME:20160115T120000Z
DTSTAMP;VALUE=DATE-TIME:20210804T071851Z
UID:indico-contribution-502-2896@conference.ippp.dur.ac.uk
DESCRIPTION:Speakers: Silvan Kuttimalai (IPPP Durham)\nWe present a fully
automated framework as part of the Sherpa event generator for the computat
ion of tree-level cross sections in beyond Standard Model scenarios\, maki
ng use of model information given in the Universal FeynRules Output format
. Elementary vertices are implemented into C++ code automatically and prov
ided to the matrix-element generator Comix at runtime. Widths and branchin
g ratios for unstable particles are computed from the same building blocks
. The corresponding decays are simulated with spin correlations. Parton sh
owers\, QED radiation and hadronization are added by Sherpa\, providing a
full simulation of arbitrary BSM processes at the hadron level.\n\nhttps:/
/conference.ippp.dur.ac.uk/event/502/contributions/2896/
LOCATION:Department of Mathematical Sciences CM101
URL:https://conference.ippp.dur.ac.uk/event/502/contributions/2896/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Numerical General Relativity and Asymmetric Bubble Collapse
DTSTART;VALUE=DATE-TIME:20160115T090000Z
DTEND;VALUE=DATE-TIME:20160115T092500Z
DTSTAMP;VALUE=DATE-TIME:20210804T071851Z
UID:indico-contribution-502-2897@conference.ippp.dur.ac.uk
DESCRIPTION:Speakers: Katy Clough (Kings College London)\nI introduce GRCh
ombo: a new numerical relativity code which incorporates full adaptive mes
h refinement (AMR). The AMR capability permits the study of a range of new
physics which has previously been computationally infeasible in a full 3+
1 setting\, including the study of critical phenomena in the collapse of s
calar field bubbles in asymmetric configurations. I will present some prel
iminary results of such collapses\, and suggest areas of interest for futu
re study.\n\nhttps://conference.ippp.dur.ac.uk/event/502/contributions/289
7/
LOCATION:Department of Mathematical Sciences CM107
URL:https://conference.ippp.dur.ac.uk/event/502/contributions/2897/
END:VEVENT
END:VCALENDAR