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Page : 16 pages
File Size : 50,49 MB
Release : 2011
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Rare B meson decays are an excellent probe for beyond the Standard Model physics. Two very sensitive processes are the B{sub s, d}° →??− and b → s?+?− decays. We report recent results at a center of mass energy of √s = 1.96 TeV from the CDF II and D0 collaborations using between 3.7 fb−1 and 6.9 fb−1 taken during Run II of the Fermilab Tevatron Collider.
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Page : 4 pages
File Size : 50,97 MB
Release : 2007
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We report on the search for B°{sub s}→??−, B°{sub d}→?+?− decays and b→ s?+?− transitions in exclusive decays of B mesons using the CDF II detector at the Fermilab Tevatron Collider. Using 2 fb−1 of Run II data we find upper limits on the branching fractions?(B°{sub s}→?+?−)
Author : Ralf Patrick Bernhard
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Page : 5 pages
File Size : 40,2 MB
Release : 2006
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Page : pages
File Size : 30,62 MB
Release : 2000
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The high cross-section for the production of b quarks at the Tevatron hadron collider make it an ideal place to search for rare B meson species and very low branching fraction decay modes of the more common B mesons. This paper reports the recent discovery of the Bc meson by the CDF collaboration. It also discusses the observation of rare B meson final states involving [psi](2S) mesons and searches for ultra-rare decays such as B [yields] [mu][sup +][mu][sup -].
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Page : 8 pages
File Size : 42,97 MB
Release : 2011
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Studying flavor changing neutral current transitions provides important information that helps searches for physics beyond the standard model. In this paper we report on recent measurements of these transitions using data collected by the CDF and D0 experiments at the Tevatron p{bar p} collider, including world-leading limits on the branching fraction of the decay B{sub (s)}° →??−, a forward-backward asymmetry measurement in B° → K*°?+?− and B+ → K+?+?− decays which is consistent and competitive with best B-factories results, and the first observation of the decay B{sub s}° →??+?−.
Author : Richard Edward Hughes
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Page : 308 pages
File Size : 46,61 MB
Release : 1992
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Page : pages
File Size : 47,8 MB
Release : 2004
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After a five year upgrade period, the Fermilab experiments CDF and D0 are taking high quality data in Run II of the Tevatron Collider. We report on the start-up of both detectors and present a selection of first B physics results from the Tevatron. We also compare different B hadron producers such as the [Upsilon](4S) with the hadron collider environment and discuss general features of B physics at a hadron collider.
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Page : 6 pages
File Size : 15,49 MB
Release : 2011
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In this proceeding we report the most recent results from the CDF and D0 collaborations on the rare decays of b-mesons. The presented results show a new D0 limit for?(B{sub s}° →??−) that represent the best single measurement on this mode so far, an update of the?(B{sub s}° →??) with, for the first time, an angular analysis on the final state, a new measurement of the?(B° → K*°?+?−) and?(B+ → K+?+?−) with an interesting measurement on the forward-backward asymmetry for those channels and the first observation of the?(B{sub s}° →??+?−).
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Page : 4 pages
File Size : 13,89 MB
Release : 2007
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A summary of recent results on B rare decays from the CDF and D0 experiments operating in Run II of the Fermilab Tevatron is given; analyzed decay modes are B{sub d, s} → hh, B{sub d, s} →??−, and B →?+?− h. Data samples are relative to 1 fb−1 or more integrated luminosity of p{bar p} collisions at √s = 1.96 TeV. All reported results are in agreement with Standard Model predictions and consistent with B-Factories analyzes.
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Page : pages
File Size : 29,65 MB
Release : 2005
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The authors report the results of the search for flavor changing-neutral current (FCNC) decays b [yields] s[mu][sup +][mu][sup -] and the observation of B[sub c][sup +] mesons at Tevatron.
