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PHOTON-2017 conference proceedings
David d'Enterria, Albert de Roeck, Michelangelo Mangano +77
This document collects the proceedings of the PHOTON 2017 conference ("International Conference on the Structure and the Interactions of the Photon", including the 22th "Internatio…
Astrophysical Signatures of Asymmetric Dark Matter Bound States
Moira I. Gresham, Hou Keong Lou, Kathryn M. Zurek
Nuggets---very large stable bound objects arising in the presence of a sufficiently attractive and long-range force and in the absence of a dark Coulomb force---are a smoking gun s…
LHC limits on axion-like particles from heavy-ion collisions
Simon Knapen, Tongyan Lin, Hou Keong Lou +1
In these proceedings we use recent LHC heavy-ion data to set a limit on axion-like particles coupling to electromagnetism with mass in the range 10-100 GeV. We recast ATLAS data as…
Making Asymmetric Dark Matter Gold: Early Universe Synthesis of Nuggets
Moira I. Gresham, Hou Keong Lou, Kathryn M. Zurek
We compute the mass function of bound states of Asymmetric Dark Matter--nuggets--synthesized in the early Universe. We apply our results for the nugget density and binding energy c…
Tracking down Quirks at the Large Hadron Collider
Simon Knapen, Hou Keong Lou, Michele Papucci +1
Non-helical tracks are the smoking gun signature of charged and/or colored quirks, which are pairs of particles bound by a new, long-range confining force. We propose a method to e…
Nuclear Structure of Bound States of Asymmetric Dark Matter
Moira I. Gresham, Hou Keong Lou, Kathryn M. Zurek
Models of Asymmetric Dark Matter (ADM) with a sufficiently attractive and long-range force gives rise to stable bound objects, analogous to nuclei in the Standard Model, called nug…
LHC Searches for Dark Sector Showers
Timothy Cohen, Mariangela Lisanti, Hou Keong Lou +1
This paper proposes a new search program for dark sector parton showers at the Large Hadron Collider (LHC). These signatures arise in theories characterized by strong dynamics in a…
Searching for axion-like particles with ultra-peripheral heavy-ion collisions
Simon Knapen, Tongyan Lin, Hou Keong Lou +1
We show that ultra-peripheral heavy-ion collisions at the LHC can be used to search for axion-like particles with mass below 100 GeV. The enhanced photon-photon luminosity fr…
Physics at a 100 TeV pp collider: beyond the Standard Model phenomena
T. Golling, M. Hance, P. Harris +111
This report summarises the physics opportunities in the search and study of physics beyond the Standard Model at a 100 TeV pp collider.
GUTzilla Dark Matter
Keisuke Harigaya, Tongyan Lin, Hou Keong Lou
Motivated by gauge coupling unification and dark matter, we present an extension to the Standard Model where both are achieved by adding an extra new matter multiplet. Such conside…
Folded Supersymmetry with a Twist
Timothy Cohen, Nathaniel Craig, Hou Keong Lou +1
Folded supersymmetry (f-SUSY) stabilizes the weak scale against radiative corrections from the top sector via scalar partners whose gauge quantum numbers differ from their Standard…
Towards an Understanding of the Correlations in Jet Substructure
D. Adams, A. Arce, L. Asquith +83
Over the past decade, a large number of jet substructure observables have been proposed in the literature, and explored at the LHC experiments. Such observables attempt to utilize…
Semi-visible Jets: Dark Matter Undercover at the LHC
Timothy Cohen, Mariangela Lisanti, Hou Keong Lou
The dark matter may be a composite particle that is accessible via a weakly coupled portal. If these hidden-sector states are produced at the Large Hadron Collider (LHC), they woul…
The Higgs Portal Above Threshold
Nathaniel Craig, Hou Keong Lou, Matthew McCullough +1
The discovery of the Higgs boson opens the door to new physics interacting via the Higgs Portal, including motivated scenarios relating to baryogenesis, dark matter, and electrowea…
Scherk-Schwarz Supersymmetry Breaking in 4D
Nathaniel Craig, Hou Keong Lou
Using the techniques of dimensional deconstruction, we present 4D models that fully reproduce the physics of 5D supersymmetric theories compactified on an S^1/Z_2 orbifold with gen…
Boosting Stop Searches with a 100 TeV Proton Collider
Timothy Cohen, Raffaele Tito D'Agnolo, Mike Hance +2
A proton-proton collider with center of mass energy around 100 TeV is the energy frontier machine that is likely to succeed the LHC. One of the primary physics goals will be the co…
Jet Substructure Templates: Data-driven QCD Backgrounds for Fat Jet Searches
Timothy Cohen, Martin Jankowiak, Mariangela Lisanti +2
QCD is often the dominant background to new physics searches for which jet substructure provides a useful handle. Due to the challenges associated with modeling this background, da…
Data Driven Search in the Displaced Pair Channel for a Higgs Boson Decaying to Long-Lived Neutral Particles
Valerie Halyo, Hou Keong Lou, Paul Lujan +1
This article presents a proposal for a new search channel for the Higgs boson decaying to two long-lived neutral particles, each of which decays to at a displaced vertex.…
Jet Substructure by Accident
Timothy Cohen, Eder Izaguirre, Mariangela Lisanti +1
We propose a new search strategy for high-multiplicity hadronic final states. When new particles are produced at threshold, the distribution of their decay products is approximatel…
First Search for Multijet Resonances in TeV Collisions
CDF Collaboration, T. Aaltonen
We present the first model independent search for three-jet hadronic resonances within multijet events in TeV collisions at the Fermilab Tevatron using…