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Study Of B Decays Into To Final State D Pipipi At Babar
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Book Synopsis Study of B Decays Into to Final State D(*) [pi][pi][pi] at BABAR. by :
Download or read book Study of B Decays Into to Final State D(*) [pi][pi][pi] at BABAR. written by and published by . This book was released on 2004 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on a data sample of an integrated luminosity of 57.4 fb−1 at the [Upsilon](4S) resonance taken with the BABAR detector using the SLAC PEP-II asymmetric-energy B-Factory, hadronic decays of B meson with the final states D(*) and three pions are studied. The study is performed by fully reconstructing the exclusive decays of B → D(*) a1(1260) and the non-resonant modes B → D(*) [rho]°[pi] and B → D(*) [pi][pi][pi]. The current status of the study is presented and a dominant B → D(*) a1(1260) decay is shown.
Book Synopsis Study of Hadronic and Rare B Decays in BABAR. by :
Download or read book Study of Hadronic and Rare B Decays in BABAR. written by and published by . This book was released on 2001 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Study of B Decays to Open Charm Final States With the BaBar Experiment by :
Download or read book Study of B Decays to Open Charm Final States With the BaBar Experiment written by and published by . This book was released on 2011 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent results from the BaBar Collaboration in the sector of B decays to open Charm are presented. Some of the results represent new precision measurements and QCD tests, some other analysis is aimed to the study of rare decays and search for new physics. Branching fractions for the modes observed for the first time are highlighted. A few results are presented also in the baryon sector.
Book Synopsis Study of the Decays B− 2!D*?−?− by :
Download or read book Study of the Decays B− 2!D*?−?− written by and published by . This book was released on 2003 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: We report on analyses of B− mesons decaying into D*?−?− and D+?−?− final states using 89 million B− decays collected by the BABAR detector at the PEP-II asymmetric-energy B Factory. Preliminary measurements are given for the inclusive branching fractions for B− → D*+?−?− and B− → D*+?−?−, and for the exclusive branching fractions for B− → D1(2420)°?− and B− → D*2(2460)°?−, where D1(2420)° and D*2(2460)° are the two narrow c{bar u} P-wave states. The ratio?(B− → D*2(2460)°?−)/?(B− → D1(2420)°?−) is measured to be 0.80 ± 0.07 ± 0.16.
Book Synopsis B Decays to Charm States at BABAR. by :
Download or read book B Decays to Charm States at BABAR. written by and published by . This book was released on 2004 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this paper recent results in the field of B meson decays to states containing charm are presented. These analyses are based on the 1999-2003 dataset collected by the BABAR experiment at the PEP-II ee− storage ring at the Stanford Linear Accelerator Center. Special attention is devoted to B decays to final states containing D mesons. In addition a few new results from B decays to charmonium states are reported.
Book Synopsis B Decays to Charm and Charmonium States in BABAR. by : S. Grancagnolo
Download or read book B Decays to Charm and Charmonium States in BABAR. written by S. Grancagnolo and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent measurements in exclusive hadronic B decays to states with charm are presented, including a review of the B {yields} D{sub sJ}D{sup (*)} decays, and a study of the B{sup -} {yields} J/{psi} K{sup -} {pi}{sup +}{pi}{sup -} decay looking for charmonium resonances. New results are shown on the search of the B{sup 0} {yields} D{sub s}{sup +} {rho}{sup -} and B{sup 0} {yields} J/{psi}{gamma} decays. These analysis are based on the 1999-2003 dataset collected by the BABAR experiment at the PEP-II e{sup +}e{sup -} storage ring at the Stanford Linear Accelerator Center.
Book Synopsis Study of B-meson Decays to Final States with a Single Charm Baryon by : Stephanie A. Majewski
Download or read book Study of B-meson Decays to Final States with a Single Charm Baryon written by Stephanie A. Majewski and published by . This book was released on 2007 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Study of Decays to Strange Final States with GlueX in Hall D Using Components of the BaBar DIRC. by :
Download or read book A Study of Decays to Strange Final States with GlueX in Hall D Using Components of the BaBar DIRC. written by and published by . This book was released on 2014 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Two- and Three-Body Charmless B Decays at BaBar by :
Download or read book Two- and Three-Body Charmless B Decays at BaBar written by and published by . This book was released on 2012 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Recent Results in Semileptonic B Decays with BaBar by :
Download or read book Recent Results in Semileptonic B Decays with BaBar written by and published by . This book was released on 2012 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this note, recent results of studies of semileptonic B meson decays from BABAR are discussed and preliminary results given. In particular, a recent measurement of?(B → D{sup (*)}??) and the ratio?(B → D{sup (*)}??)/?(B → D{sup (*)}l?) is presented. For the D* mode, a branching fraction of 1.79 ± 0.13(stat) ± 0.17(syst) is found, with a ratio of 0.325 ± 0.023(stat) ± 0.027(syst). For the D mode, the results are 1.04 ± 0.12(stat) ± 0.14(syst) and 0.456 ± 0.053(stat) ± 0.056(syst), respectively. In addition, a study of B{sub s} production and semileptonic decays using data collected in a center-of-mass energy region above the?(4S) resonance is discussed. The semileptonic branching fraction?(B{sub s} → l?X) is measured to be 9.9{sub -2.1}{sup +2.6}(stat){sub -2.0}{sup +1.3}(syst).
Book Synopsis Observation and Study of Baryonic B Decays by :
Download or read book Observation and Study of Baryonic B Decays written by and published by . This book was released on 2009 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: We present a study of ten B-meson decays to a D{sup (*)}, a proton-antiproton pair, and a system of up to two pions using BABAR's data set of 455 x 106 B{bar B} pairs. Four of the modes {bar B}° → D°p{bar p}, {bar B}° → D*°p{bar p}, {bar B}° → Dp{bar p}?−, {bar B}° → D{sup ast+}p{bar p}?− are studied with improved statistics compared to previous measurements; six of the modes (B− → D°p{bar p}?−, B− → D*°p{bar p}?−, {bar B}° → D°p{bar p}?−?+, {bar B}° → D*°p{bar p}?−?+, B− → D+p{bar p}?−?−, B− → D{sup ast+}p{bar p}?−?−) are first observations. The branching fractions for 3- and 5-body decays are suppressed compared to 4-body decays. Kinematic distributions for 3-body decays show non-overlapping threshold enhancements in m(p{bar p}) and m(D{sup (*)0}p) in the Dalitz plots. For 4-body decays, m(p?−) mass projections show a narrow peak with mass and full width of (1497.4 ± 3.0 ± 0.9)MeV/c2 and (47 ± 12 ± 4)MeV/c2, respectively, where the first (second) errors are statistical (systematic). For 5-body decays, mass projections are similar to phase space expectations. All results are preliminary.
Book Synopsis A Study of B"0 ->pi"+pi"- Decays Using the BABAR Detector by : Edward Tetteh-Lartey
Download or read book A Study of B"0 ->pi"+pi"- Decays Using the BABAR Detector written by Edward Tetteh-Lartey and published by . This book was released on 1998 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Study of B Decays to Charmonium at BaBar by :
Download or read book Study of B Decays to Charmonium at BaBar written by and published by . This book was released on 2002 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: Using 22.7 million BB events recorded with the BABAR detector, the inclusive branching fractions for the production of J/[psi], [psi](2S) and [chi]{sub c} in B decays are presented. Combining the charmonium state with a K{sup {+-}}, K°, K*{sup {+-}}, K*° or [pi]°, B decays are reconstructed exclusively and branching fractions are determined. A preliminary study is also presented for the B → [eta]{sub c}K decay mode.
Book Synopsis B Decays to Open And Hidden Charm at BaBar by : S. Ricciardi
Download or read book B Decays to Open And Hidden Charm at BaBar written by S. Ricciardi and published by . This book was released on 2005 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: A wealth of new measurements of hadronic B decays to open charm and charmonium have been performed on the data sample collected by the BaBar experiment at the PEP-II e{sup +}e{sup -} B-factory. We report the first measurement of the rates for inclusive charm production separately for charged and neutral B mesons. Combining measurements of the decay rate of B{sup 0} {yields} D*{sub s}{sup +}D*{sup -} obtained with a partial reconstruction technique and the complete reconstruction of B{sup 0} {yields} D*{sub s}{sup +}D*{sup -} with D{sub s}{sup +} {yields} {phi}{pi}{sup +}, we obtain the most precise measurement of {Beta}(D{sub s}{sup +} {yields} {phi}{pi}{sup +}). We present an update of the measurements of the branching fractions of exclusive B decays to J/{psi}, {psi}(2S), {chi}{sub c1}, {chi}{sub c2} and a kaon or a K*. In addition, we show preliminary results on exclusive decay rates to final states with baryons, or newly-discovered particles, such as D*{sub sJ}(2317), D{sub sJ}(2460){sup +}, and the X(3872).
Book Synopsis Hadronic B Decays to Charmless Final States and to J/psi K* by :
Download or read book Hadronic B Decays to Charmless Final States and to J/psi K* written by and published by . This book was released on 2001 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis B Decays to Hadronic Final States Including D{sub S}{sup (*)} and D* by :
Download or read book B Decays to Hadronic Final States Including D{sub S}{sup (*)} and D* written by and published by . This book was released on 2000 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: The ee− annihilation data recorded with the BABAR detector has been used to study B decays to D{sub s}{sup (*){+-}} and D*{sup +-} mesons. The production fraction of inclusive D{sub s}{sup (*){+-}} and the corresponding momentum spectra have been determined. Exclusive decays B° → D*− D{sub s}{sup (*)+} have been identified with a partial reconstruction technique and their branching fractions have been measured. We also report branching fraction measurements for the exclusive hadronic modes B° → D*−?+ and B° → D*−?+.
Book Synopsis B Decays to Hadronic States with Charm/Charmonium in BABAR. by :
Download or read book B Decays to Hadronic States with Charm/Charmonium in BABAR. written by and published by . This book was released on 2003 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this paper the studies of three different B decays to hadronic states are presented. These results are based on 1999-2003 dataset collected by the BABAR experiment at the PEP-II ee− storage ring at the Stanford Linear Accelerator Center. The measurements are the hadronic branching fraction of B 2!J/[Psi]p{bar {Lambda}}, B° 2!J/[Psi]p{bar p}, B° 2!D*{sup {+-}} D{sup {-+}}, and the direct CP-asymmetry in B° 2!D°(CP)K− channels.
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