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32 papers · 2 filters
Dichromatic Dark Matter
Yang Bai, Meng Su, Yue Zhao
Both the robust INTEGRAL 511 keV gamma-ray line and the recent tentative hint of the 135 GeV gamma-ray line from Fermi-LAT have similar signal morphologies, and may be produced fro…
The Scale-Invariant NMSSM and the 126 GeV Higgs Boson
Tony Gherghetta, Benedict von Harling, Anibal D. Medina +1
The recent LHC discovery of a Higgs-like resonance at 126 GeV suggests that the minimal supersymmetric standard model must be modified in order to preserve naturalness. A simple ex…
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…
A Systematic All-Orders Method to Eliminate Renormalization-Scale and Scheme Ambiguities in PQCD
Matin Mojaza, Stanley J. Brodsky, Xing-Gang Wu
We introduce a generalization of the conventional renormalization schemes used in dimensional regularization, which illuminates the renormalization scheme and scale ambiguities of…
Large N (=3) Neutrinos and Random Matrix Theory
Yang Bai, Gonzalo Torroba
The large N limit has been successfully applied to QCD, leading to qualitatively correct results even for N=3. In this work, we propose to treat the number N=3 of Standard Model ge…
High multiplicity processes at NLO with BlackHat and Sherpa
Zvi Bern, Kemal Ozeren, Lance J. Dixon +5
In this contribution we review recent progress with fixed-order QCD predictions for the production of a vector boson in association with jets at hadron colliders, using the program…