Tony Gherghetta
(University of Minnesota)
16/03/2016 11:10
Theory
Ordinary
Long-lived, colour-triplet scalars are a prediction of unnatural, or split, composite Higgs models where the spontaneous global-symmetry breaking scale f≳10 TeV and an unbroken SU(5) symmetry is preserved. Since the triplet scalars are pseudo Nambu-Goldstone bosons, they are split from the much heavier composite-sector resonances and are the lightest exotic, coloured states. Due to discrete...
Dr
Allison McCarn
(University of Michigan)
16/03/2016 11:30
Experiment
Ordinary
The search for extended scalars is an important aspect of the search for physics beyond the Standard Model. New scalar particles are predicted in models with extended Higgs sectors, such as Two-Higgs-Doublet Models, among others. This presentation will feature the latest results for ATLAS and CMS in the search for new scalar particles, including searches with a variety of production...
Dr
Revital Kopeliansky
(Indiana University)
16/03/2016 17:00
Experiment
Ordinary
A review of the nonconventional final-states searches performed by both ATLAS and CMS experiments is presented. Detailed results based on data collected during pp collisions at sqrt(S) = 13 TeV are shown, as well as a brief summary of the currently under-construction searches with sqrt(S) = 8 TeV data runs conclusions.
Dr
Martin Jung
(TUM Excellence Cluster Universe)
16/03/2016 17:20
Theory
Ordinary
We define a new class of Z′ models with neutral flavour-changing interactions at tree level in the down-quark sector. They are related in an exact way to elements of the quark mixing matrix due to an underlying flavoured U(1)′ gauge symmetry, rendering these models particularly predictive. The same symmetry implies lepton-flavor non-universal couplings, fully determined by the gauge structure...
Clemens Lange
(University of Zurich)
16/03/2016 17:40
Experiment
Ordinary
The increase of the centre-of-mass energy of the Large Hadron Collider (LHC) to 13 TeV has opened up a new energy regime. Final states including high-momentum multi-jet signatures often dominate beyond standard model phenomena, in particular as decay products of new heavy particles. While the potential di-photon resonance currently receives a lot of attention, multi-jet final states pose...
Dr
Felix Bruemmer
(LUPM Montpellier)
16/03/2016 18:00
Theory
Ordinary
In this talk I consider two-H doublet models (THDMs) with a supersymmetric UV completion. Contrary to the Standard Model, THDMs can be embedded in high-scale supersymmetry with a SUSY breaking scale as high as the scale of grand unification. The stability of the electroweak vacuum and experimental constraints point towards low values of tan(beta) < 2 and a pseudoscalar mass of at least about a...
Dr
Christopher Young
(CERN)
16/03/2016 18:45
Experiment
Ordinary
Recent searches for Supersymmetric particles using the ATLAS and CMS experiments in channels requiring jets and missing transverse energy will be described.
James Catmore
(University of Oslo)
16/03/2016 19:05
Dr
Thomas Rizzo
(SLAC)
16/03/2016 19:25
Theory
Ordinary
We demonstrate that the 3σ excess observed by ATLAS in the Z+MET channel at 8 TeV
can be explained within the context of the MSSM. Using the freedom inherent in the
pMSSM, we perform a detailed analysis of the parameter space and find a scenario that
describes the excess while simultaneously complying with all other search constraints
from the Run I data at 7 and 8 TeV, including the...
Pieter Everaerts
(University of California, Los Angeles)
17/03/2016 08:30
Dr
Aurora Meroni
(CP3-Origins, SDU)
17/03/2016 08:55
Theory
Ordinary
We show, via a careful analytical and numerical analysis, that a pseudo Goldstone nature of the Higgs is naturally embodied by an elementary realization that also serves as ultraviolet completion. Renormalizability married to perturbation theory allows to precisely determine the quantum corrections of the theory while permitting to explore the underlying parameter space. By characterising the...
Elizabeth Jenkins
(UCSD and CERN)
17/03/2016 09:15
Theory
Ordinary
A geometric formulation of Higgs Effective Field Theory (HEFT) is presented. Experimental observables are given in terms of geometric invariants of the scalar sigma model sector such as the curvature of the scalar field manifold.
Henning Kirschenmann
(CERN)
17/03/2016 09:35
Recent results from searches for supersymmetry in final states with one or more leptons by the ATLAS and CMS collaborations are reported. The data for these results have been recorded in 2015 at √s = 13 TeV and amount to an integrated luminosity of 2.2 − 2.3 fb−1 for the CMS experiment and 3.2 fb−1 for the ATLAS experiment. The results are interpreted in simplified models.
Dr
Massimiliano Bellomo
(University of Massachusetts Amherst)
17/03/2016 10:20
Experiment
Ordinary
Resonant production of two electroweak gauge bosons (WW, WZ, ZZ)
is an important signature for physics beyond the Standard Model
and various possibilities resulting in such signatures have been proposed,
e.g, Extended Gauge Models with heavy charged/neutral bosons (W’, Z’),
bulk Randall-Sundrum excitation of the graviton (G*) in extra dimensions.
Similarly the resonant production of a W...
Prof.
Aldo Deandrea
(IPNL)
17/03/2016 10:45
Theory
Ordinary
The diboson resonant excesses reported by both ATLAS and CMS Collaborations in Run 1, can be interpreted a new weak singlet pseudoscalar particle η_WZ which may decay into two weak bosons while being produced in gluon fusion at the LHC. The couplings to the gauge bosons can arise from a Wess-Zumino-Witten anomaly term and thus we study an effective model based on the anomaly term as a well...
Maurizio Pierini
(CERN)
17/03/2016 11:25
Experiment
Ordinary
In this talk, a few examples of anomalies in the ATLAS & CMS Run I searches will be discussed, in connection with the corresponding preliminary results at 13 TeV. The agreement between the two experiments will be assessed, and the compatibility with the new results will be discussed. The talk will serve as an opportunity to stimulate a discussion on where the search for new physics at the LHC...
Pasquale Musella
(ETH Zurich - Institute for Particles Physics)
17/03/2016 17:20
Alessandro Strumia
(Pisa Univ & INFN & CERN)
17/03/2016 17:40
Theory
Ordinary
I review studies of theoretical implications of the new possible resonance at 750 GeV.
