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22 papers · 2 filters
Production of intermediate-mass dileptons in relativistic heavy ion collisions
Ioulia Kvasnikova, Charles Gale, Dinesh Kumar Srivastava
The production of intermediate mass dileptons in ultrarelativistic nuclear collisions at SPS energies is studied. The acceptance and detector resolution inherent to measurements by…
Limits on the Non-commutativity Scale
Irina Mocioiu, Maxim Pospelov, Radu Roiban
A non-vanishing vacuum expectation value for an antisymmetric tensor field leads to the violation of Lorentz invariance, controlled by the dimension (-2) parameter, theta_{mu nu}.…
Large Mixing Induced by the Strong Coupling with a Single Bulk Neutrinos
C. S. Lam
Neutrino is a good probe of extra dimensions. Large mixing and the apparent lack of very complicated oscillation patterns may be an indication of large couplings between the brane…
On the imaginary parts and infrared divergences of two-loop vector boson self-energies in thermal QCD
A. Majumder, C. Gale
We calculate the imaginary part of the retarded two-loop self-energy of a static vector boson in a plasma of quarks and gluons of temperature T, using the imaginary time formalism.…
Probing Gluons in Nuclei: the Case of
Jamal Jalilian-Marian, Sangyong Jeon
Using the recently proposed effective vertex, we investigate the production of from gluon fusion in collisions. We show that measuring production cross…
Evolution of the Fine Structure Constant Driven by Dark Matter and the Cosmological Constant
Keith A. Olive, Maxim Pospelov
Bekenstein's model of a scalar field, ϕ, that affects the electromagnetic permeability (usually identified with ``changing α'') predicts tiny variations of the effective fine struc…