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52 papers · 1 filter
Observation of the Narrow State in Collisions at $\sqrt{s}=1.96 \TeV$
the CDF II Collaboration, D. Acosta, T. Affolder +8
We report the observation of a narrow state decaying into and produced in of collisions at in the CDF II experiment. We o…
Formation and evolution of cosmic D-strings
Gia Dvali, Alexander Vilenkin
We study the formation of D and F-cosmic strings in D-brane annihilation after brane inflation. We show that D-string formation by quantum de Sitter fluctuations is severely suppre…
Cosmological stretching of perturbations on a cosmic string
Christian Stephan-Otto, Ken D. Olum, Xavier Siemens
We investigate the effects of cosmological expansion on the spectrum of small-scale structure on a cosmic string. We simulate the evolution of a string with two modes that differ i…
Heavy flavor properties of jets produced in interactions at 1.8 TeV
D. Acosta
We present a detailed examination of the heavy flavor properties of jets produced at the Fermilab Tevatron collider. The data set, collected with the Collider Detector at Fermilab,…
Measurement of the polar-angle distribution of leptons from W boson decay as a function of the W transverse momentum in proton-antiproton collisions at sqrt{s}=1.8 TeV
L. Cerrito
We present a measurement of the coefficient alpha_2 of the leptonic polar-angle distribution from W boson decays, as a function of the W transverse momentum. The measurement uses a…
Forecasting Cosmic Doomsday from CMB/LSS Cross-Correlations
Jaume Garriga, Levon Pogosian, Tanmay Vachaspati
A broad class of dark energy models, which have been proposed in attempts at solving the cosmological constant problems, predict a late time variation of the equation of state with…