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13 papers · 2 filters
Stealth Supersymmetry Simplified
JiJi Fan, Rebecca Krall, David Pinner +2
In Stealth Supersymmetry, bounds on superpartners from direct searches can be notably weaker than in standard supersymmetric scenarios, due to suppressed missing energy. We present…
On the 750 GeV di-photon excess
Wolfgang Altmannshofer, Jamison Galloway, Stefania Gori +3
We explore several perturbative scenarios in which the di-photon excess at 750 GeV can potentially be explained: a scalar singlet, a two Higgs doublet model (2HDM), a 2HDM with an…
Evidence of sub-nucleonic degrees of freedom in J/ photoproduction in ultraperipheral collisions at the CERN Large Hadron Collider
E. Andrade-II, I. González, A. Deppman +1
We present calculations for the incoherent photoproduction of J/ vector mesons in ultra-peripheral heavy ion collisions (UPC) in terms of hadronic interactions. This study was c…
Heating up the Galaxy with Hidden Photons
Sergei Dubovsky, Guzmán Hernández-Chifflet
We elaborate on the dynamics of ionized interstellar medium in the presence of hidden photon dark matter. Our main focus is the ultra-light regime, where the hidden photon mass is…
Field Theory for Zero Sound and Ion Acoustic Wave in Astrophysical Matter
Gregory Gabadadze, Rachel A Rosen
We set up a field theory model to describe the longitudinal low energy modes in high density matter present in white dwarf stars. At the relevant scales, ions -- the nuclei of oxyg…
Multihadron production dynamics exploring the energy balance in hadronic and nuclear collisions
Edward K. G. Sarkisyan, Aditya Nath Mishra, Raghunath Sahoo +1
The multihadron production in nucleus-nucleus collisions and its interrelation with that in (anti)proton-proton interactions are studied by exploring the charged particle mean mult…