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SUMMARY:An Introduction to SMEFT
DTSTART;VALUE=DATE-TIME:20180110T144000Z
DTEND;VALUE=DATE-TIME:20180110T145000Z
DTSTAMP;VALUE=DATE-TIME:20190421T025502Z
UID:indico-contribution-699-3544@conference.ippp.dur.ac.uk
DESCRIPTION:Speakers: Jonathan Cullen (Durham University)\nIn this talk I
will discuss the Standard Model Effective Field Theory (SMEFT)\, a very ge
neral model to describe the interaction of the Standard Model with fields
at masses far higher than those of the SM. I will discuss the necessity fo
r\, and techniques of using dimension-6 operators to compute decay rates a
nd cross sections at next-to-leading order (NLO) and the phenomenological
applications of such calculations.\n\nhttps://conference.ippp.dur.ac.uk/ev
ent/630/contributions/3544/
LOCATION:Centre for Particle Theory\, Durham
URL:https://conference.ippp.dur.ac.uk/event/630/contributions/3544/
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BEGIN:VEVENT
SUMMARY:Higgs assisted Q-balls from pseudo-Nambu-Goldstone bosons
DTSTART;VALUE=DATE-TIME:20180110T151000Z
DTEND;VALUE=DATE-TIME:20180110T153000Z
DTSTAMP;VALUE=DATE-TIME:20190421T025502Z
UID:indico-contribution-699-3542@conference.ippp.dur.ac.uk
DESCRIPTION:Speakers: Olivier Lennon (University of Oxford)\nMotivated by
recent constructions of TeV-scale strongly-coupled dynamics\, either assoc
iated with the Higgs sector itself as in pseudo-Nambu-Goldstone boson (pNG
B) Higgs models or in theories of asymmetric dark matter\, I will discuss
work where it was shown that stable solitonic Q-balls can be formed from l
ight pion-like pNGB fields carrying a conserved global quantum number in t
he presence of the Higgs field. I will focus on the case of thick-wall Q-b
alls\, where solutions satisfying all constraints are shown to exist over
a range of parameter values. In the limit that our approximations hold\, t
he Q-balls are weakly bound and parametrically large\, and the form of the
interactions of the light physical Higgs with the Q-ball is determined by
the breaking of scale symmetry.\n\nhttps://conference.ippp.dur.ac.uk/even
t/630/contributions/3542/
LOCATION:Centre for Particle Theory\, Durham
URL:https://conference.ippp.dur.ac.uk/event/630/contributions/3542/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Scherk Schwartz twists in GUT models
DTSTART;VALUE=DATE-TIME:20180110T153000Z
DTEND;VALUE=DATE-TIME:20180110T155000Z
DTSTAMP;VALUE=DATE-TIME:20190421T025502Z
UID:indico-contribution-699-3540@conference.ippp.dur.ac.uk
DESCRIPTION:Speakers: Dumitru Dan Smaranda (University of Glasgow)\nThe ta
lk will give an overview of orbifold models in 5D and 6D and will revolve
around the question of can non-trivial boundary conditions in the compacti
fied dimensions (also known as Scherk-Schwartz twitsts) give a SM like low
energy spectrum with a "naturaly" broken SUSY.\n\nhttps://conference.ipp
p.dur.ac.uk/event/630/contributions/3540/
LOCATION:Centre for Particle Theory\, Durham
URL:https://conference.ippp.dur.ac.uk/event/630/contributions/3540/
END:VEVENT
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SUMMARY:General Treatment of the Monopole Production Cross Sections by Dre
ll-Yan and Photon Fusion for Three Spin Models
DTSTART;VALUE=DATE-TIME:20180110T145000Z
DTEND;VALUE=DATE-TIME:20180110T151000Z
DTSTAMP;VALUE=DATE-TIME:20190421T025502Z
UID:indico-contribution-699-3532@conference.ippp.dur.ac.uk
DESCRIPTION:Speakers: Stephanie Baines ((King's College London) on behalf
of the MoEDAL collaboration)\nRecently there is a revived interest in mono
pole searches with masses accessible at current colliders\, due to several
theoretical models predicting the existence of light monopoles. However
all of such models predict monopoles with structure (solitons)\, whose pro
duction at colliders may be strongly suppressed. On the other hand\, there
is no theory up to now for point-like monopoles\, viewed as sources of si
ngular magnetic fields\, of the type envisaged by Dirac. For the latter ty
pe\, there are only effective descriptions\, viewing the monopole as a mat
ter field\, which may carry spins 0\, $\\frac{1}{2}$ or 1 and all three ca
ses are actively searched for in the MoEDAL detector at CERN. Theoretical
expressions for kinematic distributions serve as guides to these searches.
The cross section distributions in each case are presented\, derived from
a U(1) invariant gauge theory. The analytical expressions in the spin $\\
frac{1}{2}$ and 1 cases are defined completely generally through the inclu
sion of a magnetic moment term proportional to a parameter $\\kappa$\, rel
ated to the gyromagnetic ratio $g_R=1+\\kappa$. This term does not exist i
n the spin 0 case. This original work proposes $\\kappa$ as a new phenomen
ological parameter in monopole searches.\n\nhttps://conference.ippp.dur.ac
.uk/event/630/contributions/3532/
LOCATION:Centre for Particle Theory\, Durham
URL:https://conference.ippp.dur.ac.uk/event/630/contributions/3532/
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