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Search For The Rare Leptonic Decay B Mu Nusub Mu
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Book Synopsis Search for the Rare Leptonic Decay B+ -] Mu+ Nu[sub Mu]. by :
Download or read book Search for the Rare Leptonic Decay B+ -] Mu+ Nu[sub Mu]. written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We have performed a search for the rare leptonic decay B[sup +] [yields] [mu][sup +][nu][sub [mu]] with data collected at the [Upsilon](4S) resonance by the BABAR experiment at the PEP-II storage ring. In a sample of 88.4 million B[bar B] pairs, we find no significant evidence for a signal and set an upper limit on the branching fraction [Beta](B[sup +] [yields] [mu][sup +] [nu][sub [mu]])
Book Synopsis A Search for the Rare Decay B -] Pi Ll− by : Bradley Cole Wray
Download or read book A Search for the Rare Decay B -] Pi Ll− written by Bradley Cole Wray and published by . This book was released on 2012 with total page 612 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis presents a search for the rare B meson decay B -> pi ll− (l=e or mu) using 428 fb−1 of data collected at the Upsilon(4S) resonance by the BaBar detector at the PEP-II asymmetric energy ee− storage rings located located at SLAC National Accelerator Laboratory in Menlo Park, California. Four exclusive modes are studied: B+ -> pi+ e+e−, B+ -> pi+ mu+mu−, B0 -> pi0 e+e−, and B0 -> pi0 mu+mu−. Branching fraction upper limits at the 90% confidence level are presented for the exclusive modes B+ -> pi+ mu+mu− and B0 -> pi0 mu+mu−, and the combined mode B -> pi mu+mu−.
Book Synopsis Search for the Rare Leptonic Decay B- -] Tau- Nubar by :
Download or read book Search for the Rare Leptonic Decay B- -] Tau- Nubar written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We present a search for the decay B[sup -] [yields] [tau][sup -] [bar [nu]][sub [tau]] in a sample of 88.9 x 10[sup 6] B[bar B]pairs recorded with the BABAR detector at the SLAC B-Factory. One of the two B mesons from the [Upsilon](4S) is reconstructed in a hadronic or a semileptonic final state and the decay products of the other B in the event are analyzed for consistency with a B[sup -] [yields] [tau][sup -] [bar [nu]][sub [tau]] decay. We find no evidence of a signal and set an upper limit on the branching fraction of [Beta](B[sup -] [yields] [tau][sup -] [bar [nu]][sub [tau]])
Book Synopsis Search for the Rare Decays B+̂ -] Mu+̂ Mu-̂ K+̂, B0̂ -] Mu+̂ Mu-̂ K*̂0(892), and B0̂_s -] Mu+̂ Mu-̂ Phi at CDF. by :
Download or read book Search for the Rare Decays B+̂ -] Mu+̂ Mu-̂ K+̂, B0̂ -] Mu+̂ Mu-̂ K*̂0(892), and B0̂_s -] Mu+̂ Mu-̂ Phi at CDF. written by and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors search for b → s??− transitions in B meson (B+, B°, or B{sub s}°) decays with 924 pb−1 of p{bar p} collisions at √s = 1.96 TeV collected with the CDF II detector at the Fermilab Tevatron. They find excesses with significances of 4.5, 2.9, and 2.4 standard deviations in the B+ →?+?−K+, B° →?+?−K*(892)°, and B{sub s}° →?+?−? decay modes, respectively. Using B → J/?h (h - K+, K*(892)°,?) decays as normalization channels, they report branching fractions for the previously observed B+ and B° decays as normalization channels, they report branching fractions for the previously observed B+ and B° decays,?(B+ →?+?−K+) = (0.59 ± 0.15 ± 0.04) x 10−6, and?(B° →?+?−K*(892)°) = (0.81 ± 0.30 ± 0.10) x 10−6, where the first uncertainty is statistical, and the second is systematic. These measurements are consistent with the world average results, and are competitive with the best available measurements. They set an upper limit on the relative branching fraction?(B{sub s}°→?+?−?)/?(B{sub s}°→J/??)
Book Synopsis A Search for the Rare Leptonic B Decay B to Tau Nu Recoiling Against B to Dstar-zero 1 Nu by : Mousumi Datta
Download or read book A Search for the Rare Leptonic B Decay B to Tau Nu Recoiling Against B to Dstar-zero 1 Nu written by Mousumi Datta and published by . This book was released on 2005 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for the Rare Decay $B_s\to \mu\mu$ by :
Download or read book Search for the Rare Decay $B_s\to \mu\mu$ written by and published by . This book was released on 2013 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for the Rare Decay $B_s^0 \to \mu^+\mu^-$ at by :
Download or read book Search for the Rare Decay $B_s^0 \to \mu^+\mu^-$ at written by and published by . This book was released on 2013 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for Rare Leptonic B Decays at the Tevatron by : Ralf Patrick Bernhard
Download or read book Search for Rare Leptonic B Decays at the Tevatron written by Ralf Patrick Bernhard and published by . This book was released on 2004 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: Results of a search for the Flavor-Changing Neutral Current decay B{sub s, d}{sup 0} {yields} {mu}{sup +}{mu}{sup -} using p{bar p} collision data at {radical}s = 1.96 TeV collected at Fermilab Tevatron collider by the CDF and D0 detectors are presented. CDF reports upper limits on {Beta}(B{sub s}{sup 0} {yields} {mu}{sup +}{mu}{sup -}) {le} 7.5 {center_dot} 10{sup -7} and {Beta}(B{sub d}{sup 0} {yields} {mu}{sup +}{mu}{sup -}) {le} 1.9 {center_dot} 10{sup -7} at the 95% C.L. using 171 pb{sup -1}. The D0 Collaboration used 240 pb{sup -1} to set an even more stringent limit on the branching ratio for B{sub s}{sup 0} {yields} {mu}{sup +}{mu}{sup -} of 5.0 {center_dot} 10{sup -7} at the 95% C.L.
Book Synopsis A Search for the Rare Decay. Mu. . --]. E. Gamma Gamma by :
Download or read book A Search for the Rare Decay. Mu. . --]. E. Gamma Gamma written by and published by . This book was released on 1987 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: An experimental search for the lepton-family number nonconserving decay, .mu. .-->. e.gamma gamma., has been conducted at the Clinton P. Anderson Meson Physics Facility (LAMPF) using the Crystal Box detector. The detector consists of a modular NaI(Tl) calorimeter, scintillator hodoscope, and a high-resolution, cylindrical drift chamber. It provides a large solid-angle for detecting three-body decays and has good resolutions in the time, position, and energy measurements to eliminate unwanted backgrounds. No evidence for .mu.+ .-->. e+.gamma gamma. is found, giving an upper limit for the branching ratio of GAMMA(.mu. .-->. e.gamma gamma.)/GAMMA(.mu. .-->. e nu anti nu) less than or equal to 7.2 x 10−11 (90% C.L.). This result is an improvement of more than two orders of magnitude in the existing limit. 109 refs., 39 figs.
Book Synopsis A Search for the Rare Decay K [subscript L Right Arrow Mu]e by : John Fred Ginkle
Download or read book A Search for the Rare Decay K [subscript L Right Arrow Mu]e written by John Fred Ginkle and published by . This book was released on 1989 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Search for the Rare Decay [mu]+ --> E+[gamma][gamma] by : David Paul Grosnick
Download or read book A Search for the Rare Decay [mu]+ --> E+[gamma][gamma] written by David Paul Grosnick and published by . This book was released on 1987 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Rare Semi-leptonic B Meson Decays by : James David Lyon
Download or read book Rare Semi-leptonic B Meson Decays written by James David Lyon and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for Rare Semileptonic B-meson Decays by : ARGUS Collaboration
Download or read book Search for Rare Semileptonic B-meson Decays written by ARGUS Collaboration and published by . This book was released on 1989 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for the Rare Decay B to Pi L+ L- by : B. Aubert
Download or read book Search for the Rare Decay B to Pi L+ L- written by B. Aubert and published by . This book was released on 2006 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors present results of a search for the rare flavor-changing neutral-current decay B {yields} {pi}{ell}{sup +}{ell}{sup -}, based on a data sample corresponding to 209 fb{sup -1} of integrated luminosity collected with the BABAR detector at the PEP-II B Factory. They reconstruct the four exclusive B decay modes B{sup +} {yields} {pi}{sup +}{ell}{sup +}{ell}{sup -} and B{sup 0} {yields} {pi}{sup 0}{ell}{sup +}{ell}{sup -}, where {ell} is either an e or {mu}. They find no evidence for a signal, and they obtain the upper limit at 90% confidence level on the lepton-flavor-averaged branching fraction to be {Beta}(B{sup +} {yields} {pi}{sup +}{ell}{sup +}{ell}{sup -}) = 2 x {tau}B{sup +}/{tau}B{sup 0} {Beta}(B{sup 0} {yields} {pi}{sup 0}{ell}{sup +}{ell}{sup -})
Download or read book חדושי רבי שמואל written by and published by . This book was released on 1997 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A search for the rare decay K0L --> [mu epsilon] by : Scott Christian Graessle
Download or read book A search for the rare decay K0L --> [mu epsilon] written by Scott Christian Graessle and published by . This book was released on 1998 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Search for the Rare Decay [B Meson to Two Photons] by : Andrew Michael Ruland
Download or read book A Search for the Rare Decay [B Meson to Two Photons] written by Andrew Michael Ruland and published by . This book was released on 2010 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis describes a search for the rare radiative decay of a B meson to two photons. where the charged congugate mode is implied throughout. These decays are highly suppressed in the Standard Model where the branching fraction is expected to be of order 10^-8. In some new physics scenarios this could be enhanced by up to an order of magnitude to 10^-7. Therefore an observation of a significant signal above the Standard Model prediction could be a sign of new physics. The search for this rare decay was performed using the data collected with the BaBar detector at the SLAC National Accelerator Laboratory PEP-II storage ring operating at the Upsilon(4S) resonance. The analysis uses a dataset with an integrated luminosity of 425.7 fb-1 corresponding to 467 million BB pairs. A signal yield of 21.3 +12.8 -11.8 events with a significance of 1.88 sigma was measured using an unbinned extended maximum likelihood fit. An upper limit on the branching fraction is set at the 90% confidence level of less than 3.2 times 10^-7. This is about two times more stringent than the best upper limit of less than 6.2 times 10^-7 published by the Belle collaboration.
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