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28 papers · 2 filters
Dark Radiation and Decaying Matter
M. C. Gonzalez-Garcia, V. Niro, Jordi Salvado
Recent cosmological measurements favour additional relativistic energy density beyond the one provided by the three active neutrinos and photons of the Standard Model (SM). This is…
Nuclear modification of vector boson production in proton-lead collisions at the LHC
Zhong-Bo Kang, Jian-Wei Qiu
In anticipating the upcoming proton-lead run at the LHC in the near future, we present predictions for the nuclear modification factor of transverse momentum spectrum of prod…
Jet energy loss and fragmentation in heavy ion collisions
Dmitri E. Kharzeev, Frasher Loshaj
Recent LHC results indicate a suppression of jet fragmentation functions in Pb-Pb collisions at intermediate values of . This seems to contradict the picture of energy…
On chromoelectric (super)conductivity of the Yang-Mills vacuum
M. N. Chernodub, Jos Van Doorsselaere, Tigran Kalaydzhyan +1
We argue that in the Copenhagen (``spaghetti'') picture of the QCD vacuum the chromomagnetic flux tubes exhibit chromoelectric superconductivity. We show that the superconducting c…
Equality of Two Definitions for Transverse Momentum Dependent Parton Distribution Functions
John C. Collins, Ted C. Rogers
We compare recent, seemingly different, approaches to TMD-factorization (due to Echevarria, Idilbi, and Scimemi and to Collins), and show that they are the same, apart from an appa…
Robust Determination of the Higgs Couplings: Power to the Data
Tyler Corbett, O. J. P. Eboli, J. Gonzalez-Fraile +1
We study the indirect effects of new physics on the phenomenology of the recently discovered "Higgs-like" particle. In a model independent framework these effects can be parametriz…