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Rare decay searches at the Tevatron

Description: The authors present the current status of the rare B decay searches B{sub s}{sup 0} {yields} {mu}{sup +}{mu}{sup -}, B{sup 0} {yields} {mu}{sup +}{mu}{sup -}, B{sup +} {yields} K{sup +}{mu}{sup +}{mu}{sup -}, B{sup 0} {yields} K*{sup 0} {mu}{sup +}{mu}{sup -}, and B{sub s}{sup 0} {yields} {phi}{mu}{sup +}{mu}{sup -} at the Tevatron.
Date: September 1, 2006
Creator: Lin, C. J.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

A Combination of CDF and D0 limits on the branching ratio of B0(s)(d) ---> mu+ mu- decays

Description: The authors combine the results of CDF and D0 searches for the rare decays B{sub s}{sup 0} {yields} {mu}{sup +}{mu}{sup -} and B{sub d}{sup 0} {yields} {mu}{sup +}{mu}{sup -}. The experiments use 364 pb{sup -1} and 300 pb{sup -1} of data respectively. The limits on the branching ratios are obtained by normalizing the estimated sensitivity to the decay B{sup +} {yields} J/{psi}K{sup +} taking into account the fragmentation ratios f{sub u}/f{sub s(d)}. The combined results exclude branching ratio… more
Date: August 1, 2005
Creator: Bernhard, R.; Glenzinski, D.; Herndon, M.; Kamon, T.; Krutelyov, V.; Landsberg, G. et al.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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A new scheme for the running coupling constant in gauge theories using Wilson loops

Description: We propose a new renormalization scheme of the running coupling constant in general gauge theories defined by using the Wilson loops. The renormalized coupling constant is obtained from the Cretz ratio in lattice simulations and the corresponding perturbative coefficient at the leading order. The latter calculation is performed by adopting the zeta-function resummation techniques. We make a benchmark test of our scheme in quenched QCD with the plaquette gauge action. The running of the coupling… more
Date: January 1, 2009
Creator: Kurachi, Masafumi; Bilgici, Erek; Flachi, Antonion; Itou, Etsuko; David Lin, C J; Matsufuru, Hideo et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Online track processor for the CDF upgrade

Description: Abstract: A trigger track processor, called the eXtremely Fast Tracker (XFT), has been designed for the CDF upgrade. This processor identifies high transverse momentum (> 1.5 GeV/c) charged particles in the new central outer tracking chamber for CDF II. The XFT design is highly parallel to handle the input rate of 183 Gbits/s and output rate of 44 Gbits/s. The processor is pipelined and reports the result for a new event every 132 ns. The processor uses three stages: hit classification, segm… more
Date: July 17, 2002
Creator: Thomson, E. J.; Ciobanu, C.; Chung, J. Y.; Gertenslager, J.; Hoftiezer, J.; Hughes, R. E. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Averages of B-Hadron Properties at the End of 2005

Description: This article reports world averages for measurements on b-hadron properties obtained by the Heavy Flavor Averaging Group (HFAG) using the available results as of at the end of 2005. In the averaging, the input parameters used in the various analyses are adjusted (rescaled) to common values, and all known correlations are taken into account. The averages include lifetimes, neutral meson mixing parameters, parameters of semileptonic decays, branching fractions of B decays to final states with ope… more
Date: September 27, 2006
Creator: Barberio, E.; U., /Melbourne; Bizjak, I.; /Novosibirsk, IYF; Blyth, S.; /CERN et al.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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