477 citations · 935 across the 25 of their papers we have counts for
17 papers · 1 filter
Measuring the polarization of boosted, hadronic bosons with jet substructure observables
Songshaptak De, Vikram Rentala, William Shepherd
In this work, we present a new technique to measure the longitudinal and transverse polarization fractions of hadronic decays of boosted bosons. We introduce a new jet substruc…
Observationally inferred dark matter phase-space distribution and direct detection experiments
Sayan Mandal, Subhabrata Majumdar, Vikram Rentala +1
We present a detailed analysis of the effect of an observationally determined dark matter (DM) velocity distribution function (VDF) of the Milky Way (MW) on DM direct detection rat…
PeV scale Supersymmetry breaking and the IceCube neutrino flux
Mansi Dhuria, Vikram Rentala
The observation of very high energy neutrino events at IceCube has grasped a lot of attention in the fields of both astrophysics and particle physics. It has been speculated that t…
Late decaying 2-component dark matter scenario as an explanation of the AMS-02 positron excess
Jatan Buch, Pranjal Ralegankar, Vikram Rentala
The long standing anomaly in the positron flux as measured by the PAMELA and AMS-02 experiments could potentially be explained by dark matter (DM) annihilations. This scenario typi…
All the generalized Georgi-Machacek models
Heather E. Logan, Vikram Rentala
The Georgi-Machacek model adds two SU(2)_L-triplet scalars to the Standard Model in such a way as to preserve custodial SU(2) symmetry. We study the generalizations of the Georgi-M…
Tagging Boosted Ws with Wavelets
Vikram Rentala, William Shepherd, Tim M. P. Tait
We present a new technique for distinguishing the hadronic decays of boosted heavy particles from QCD backgrounds based on wavelet transforms. As an initial exploration, we illustr…
Disentangling Strong Dynamics through Quantum Interferometry
Hitoshi Murayama, Vikram Rentala, Jing Shu
We present a new probe of strongly coupled electroweak symmetry breaking at the 14 TeV LHC by measuring a phase shift in the event distribution as a function of the decay azimuthal…
Identifying dark matter interactions in monojet searches
Prateek Agrawal, Vikram Rentala
We study the discrimination of quark-initiated jets from gluon-initiated jets in monojet searches for dark matter using the technique of averaged jet energy profiles. We demonstrat…
Discriminating Higgs production mechanisms using jet energy profiles
Vikram Rentala, Natascia Vignaroli, Hsiang-nan Li +2
We present a new tool for precision measurements of the Higgs boson production mechanisms at the LHC. We study events with a Higgs boson produced with two forward jets. Even with f…
WIMPless Dark Matter from an AMSB Hidden Sector with No New Mass Parameters
Jonathan L. Feng, Vikram Rentala, Ze'ev Surujon
We present a model with dark matter in an anomaly-mediated supersymmetry breaking hidden sector with a U(1)xU(1) gauge symmetry. The symmetries of the model stabilize the dark matt…
WIMPless Dark Matter in Anomaly-Mediated Supersymmetry Breaking with Hidden QED
Jonathan L. Feng, Vikram Rentala, Ze'ev Surujon
In anomaly-mediated supersymmetry breaking, superpartners in a hidden sector have masses that are proportional to couplings squared, and so naturally freeze out with the desired da…
Simplified Models for LHC New Physics Searches
Daniele Alves, Nima Arkani-Hamed, Sanjay Arora +92
This document proposes a collection of simplified models relevant to the design of new-physics searches at the LHC and the characterization of their results. Both ATLAS and CMS hav…
A Simplified Model Approach to Same-sign Dilepton Resonances
Vikram Rentala, William Shepherd, Shufang Su
We discuss same-sign dilepton resonances in the simplified model approach. The relevant $SU(3}_Q^J$ quantum numbers are . For simplicity, we only consider a spin 0 sca…
Saving fourth generation and baryon number by living long
Hitoshi Murayama, Vikram Rentala, Jing Shu +1
Recent studies of precision electroweak observables have led to the conclusion that a fourth generation is highly constrained. However, we point out that a long-lived fourth genera…
Randall-Sundrum graviton spin determination using azimuthal angular dependence
Hitoshi Murayama, Vikram Rentala
Quantum interference of helicity amplitudes provides a powerful tool for measuring the spins of new particles. By looking at the azimuthal angular dependence of the differential cr…
Color Sextet Scalars at the CERN Large Hadron Collider
Chuan-Ren Chen, William Klemm, Vikram Rentala +1
Taking a phenomenological approach, we study a color sextet scalar at the LHC. We focus on the QCD production of a color sextet pair Φ_6\barΦ_{6} through gg fusion and q\bar{q} ann…
Discriminating spin through quantum interference
Matthew R. Buckley, Hitoshi Murayama, William Klemm +1
Many of the proposed solutions to the hierarchy and naturalness problems postulate new `partner' fields to the standard model particles. Determining the spins of these new particle…