Studies Of Rare Hadronic B Decays With Babar

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Studies Of Rare Hadronic B Decays With Babar

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Author :
language : en
Publisher:
Release Date : 2007

Studies Of Rare Hadronic B Decays With Babar written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.

We present a selection of recent results from studies of rare hadronic B decays based on a sample of 232 million B{bar B} pairs, corresponding to an integrated luminosity of 211 fb−1, which were recorded with the BABAR detector at the PEP-II asymmetric-energy ee− storage ring.

Study Of Hadronic And Rare B Decays In Babar

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Author :
language : en
Publisher:
Release Date : 2001

Study Of Hadronic And Rare B Decays In Babar written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with categories.

We present results from BaBar experiment for the measurement of inclusive and exclusive branching fractions of B mesons into final states containing J/[psi], [psi](2S) and [chi]c. The contributions of CP even and odd amplitudes in the decay B° 2!J/[psi]K*° are determined from an angular analysis. We report the measurements of the branching ratios B° 2!D* D*− and D* D*− K{sub S}°, and the study of exclusive two-body and quasi-two-body charmless decays. The branching fraction of the decay B° 2!K*°[gamma] has been determined and the corresponding CP asymmetry has been measured.

Hadronic And Rare B Decays With The Babar And Belle Experiments

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Author :
language : en
Publisher:
Release Date : 2015

Hadronic And Rare B Decays With The Babar And Belle Experiments written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.

Rare B Decays In Babar

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Author :
language : en
Publisher:
Release Date : 2004

Rare B Decays In Babar written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.

Measurements and searches for rare B decays have been performed with the BaBar detector at the PEP-II ee− asymmetric B Factory, operating at the [Upsilon](4S) resonance. The authors report some recent branching fraction measurements on hadronic and radiative B decays, occurring from b --> s/d and b --> u transitions. Most of the results presented here are based on a data sample corresponding to a luminosity of 81.9 fb−1.

A Study Of The Rare Charmless Hadronic B Decay B U2192 A0 0 Using The Babar Detector

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Author :
language : en
Publisher:
Release Date : 2007

A Study Of The Rare Charmless Hadronic B Decay B U2192 A0 0 Using The Babar Detector written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.

An upper limit has been extracted, at the 90% C.L, for the rare charmless hadronic B meson decay B ± → a0(980)±?0, where a0(980)± →??± and ?????????? or ???????? ?+?-?0. The analysis was based on a sample of approximately 340.7 fb-1 of data taken at the (4S) resonance with the BABAR detector at the PEP-II e+e- collider at SLAC from May 1999 to August 2006. The sample contains (379.9 ± 4.2) million B$ar{B}$ pairs.

A Study Of The Rare Charmless Hadronic B Decay B 2 A0 Pi 0 Using The Babar Detector

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Author :
language : en
Publisher:
Release Date : 2007

A Study Of The Rare Charmless Hadronic B Decay B 2 A0 Pi 0 Using The Babar Detector written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.

An upper limit has been extracted, at the 90% C.L, for the rare charmless hadronic B meson decay B ± → a0(980)±[pi]0, where a0(980)± →[eta][pi]± and [eta]→[gamma][gamma] or [eta]→ [pi]+[pi]-[pi]0. The analysis was based on a sample of approximately 340.7 fb-1 of data taken at the (4S) resonance with the BABAR detector at the PEP-II e+e- collider at SLAC from May 1999 to August 2006. The sample contains (379.9 ± 4.2) million B$\bar{B}$ pairs.

Two And Three Body Charmless B Decays At Babar

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language : en
Publisher:
Release Date : 2012

Two And Three Body Charmless B Decays At Babar written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with categories.

We report recent measurements of rare charmless B decays performed by BaBar. The results are based on the final BaBar dataset of 424 fb−1 collected at the PEP-II B-factory based at the SLAC National Accelerator Laboratory. The study of rare B decays is a key ingredient to meet two of the main goals of the B-factories: assessing the validity of the Cabibbo-Kobayashi-Maskawa (CKM) picture of CP-violation by precisely measuring the elements of the Unitarity Triangle (UT), and searching for hints of New Physics (NP), or otherwise constraining NP scenarios, in processes which are suppressed in the Standard Model (SM). In loop processes, in particular, NP at some higher energy scale may manifest itself in the low energy effective theory as new couplings, such as those introduced by new very massive virtual particles in the loop. In NP searches hadronic uncertainties can play a major role, expecially for branching fraction measurements. Many theoretical uncertainties cancel in ratios of amplitudes, and most NP probes are therefore of this kind. In the following sections we report recent measurements, performed by the BaBar Collaboration, that are relevant to NP searches in charmless hadronic B decays.

Rare B Decays At Babar

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Author :
language : en
Publisher:
Release Date : 2005

Rare B Decays At Babar written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with categories.

The authors present recent results on rare B meson decays based on data taken by the BABAR detector at the PEP-II asymmetric ee− collider. Included in this report are measurements of branching fractions and other quantities of interest for several hadronic, radiative, electroweak, and purely leptonic decays of B mesons.

Charm Decays At Babar

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Author : Charles (M.)
language : en
Publisher:
Release Date : 2004

Charm Decays At Babar written by Charles (M.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.

The results of several studies of charmed mesons and baryons at BABAR are presented. First, searches for the rare decays D{sup 0} {yields} l{sup +}l{sup -} are presented and new upper limits on these processes are established. Second, a measurement of the branching fraction of the isospin-violating hadronic decay D*{sub s}(2112){sup +} {yields} D{sub s}{sup +}{pi}{sup 0} relative to the radiative decay D*{sub s}(2112){sup +} {yields} D{sub s}{sup +}{gamma} is made. Third, the decays of D*{sub sJ}(2317){sup +} and D{sub sJ}(2460){sup +} mesons are studied and ratios of branching fractions are measured. Fourth, Cabibbo-suppressed decays of the {Lambda}{sub c}{sup +} are examined and their branching fractions measured relative to Cabibbo-allowed modes. Fifth, the {Chi}{sub c}{sup 0} is studied through its decays to {Chi}{sup -}{pi}{sup +} and {Omega}{sup -}K{sup +}; in addition to measuring the ratio of branching fractions for {Chi}{sub c}{sup 0} produced from the c{bar c} continuum, the uncorrected momentum spectrum is measured, providing clear confirmation of {Chi}{sub c}{sup 0} production in B decays.

Study Of The Rare Hadronic Decays D S U2192 K 0 D S U2192 K0s And D S U2192 0 At Babar

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Author :
language : en
Publisher:
Release Date : 2007

Study Of The Rare Hadronic Decays D S U2192 K 0 D S U2192 K0s And D S U2192 0 At Babar written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.

Ds mesons are fully reconstructed from four final states using approximately 229fb-1 of data delivered by the PEP-II e+e- collider and collected by the BaBar experiment at the Stanford Linear Accelerator Centre during the period 1999 to 2004. Measurements of the exclusive branching fractions (average over charge-conjugate decays), B, of the decays D+s → K+?0, D+s→ ?+K0 and D+s → ?+?0 relative to the reference mode D+s → K+$ar{K}$0 are presented.