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Measurements Of B Meson To Charm Meson Hadronic Decays By Means Of A Partial Reconstruction Technique
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Book Synopsis Measurements of B Meson to Charm Meson Hadronic Decays by Means of a Partial Reconstruction Technique by : Anton Patrick Eppich
Download or read book Measurements of B Meson to Charm Meson Hadronic Decays by Means of a Partial Reconstruction Technique written by Anton Patrick Eppich and published by . This book was released on 2000 with total page 107 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Measurement of the Charged and Neutral B Meson Lifetimes Using Fully Reconstructed Decays by :
Download or read book A Measurement of the Charged and Neutral B Meson Lifetimes Using Fully Reconstructed Decays written by and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Data collected with the BABAR detector at the PEP-II asymmetric B Factory at SLAC are used to study the lifetimes of the B° and B mesons. The data sample consists of 7.4 fb−1 collected near the Upsilon(4S) resonance. B° and B mesons are fully reconstructed in several exclusive hadronic decay modes to charm and charmonium final states. The B lifetimes are determined from the flight length difference between the two B mesons which are pair-produced in the Upsilon(4S) decay. The preliminary measurements of the lifetimes are tau{sub B0} = 1.506 " 0.052 (stat) " 0.029 (syst) ps, tau{sub B+} = 1.602 " 0.049 (stat) " 0.035 (syst) ps, and of their ratio is tau{sub B+}/tau{sub B0} = 1.065 " 0.044 (stat) " 0.021 (syst).
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2001 with total page 698 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings Of The 28th International Conference On High Energy Physics (In 2 Volumes) by : Zygmunt Ajduk
Download or read book Proceedings Of The 28th International Conference On High Energy Physics (In 2 Volumes) written by Zygmunt Ajduk and published by World Scientific. This book was released on 1997-04-11 with total page 1878 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 28th conference from the Rochester series was the major high energy physics conference in 1996. Volume one contains short reports on new theoretical and experimental results. Volume two consists of the review talks presented in the plenary sessions.
Book Synopsis Hadronic Β Decays to Double Charm Final States by : Sergio Grancagnolo
Download or read book Hadronic Β Decays to Double Charm Final States written by Sergio Grancagnolo and published by . This book was released on 2005 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: The work is based on the analysis of the data collected at the BaBar experiment on the PEP-II collider at SLAC (Stanford Linear Accelerator Center, California) between 1999 and 2002. The data sample collected corresponds at 122.1 ± 0.6 ± 1.3 millions of BBbar pairs. The observation by BaBar of the DsJ*(2317)+ and DsJ(2460)+ mesons, discovered in 2003, raised a lot of interest for the spectroscopy of charmed hadrons. l reviewed theoretical explanations and recent experimental results. In the first part of the thesis , l studied the reconstruction efficiency of low energy pions produced in the D* meson decay. In the second part I studied the production of the new DsJ particles in the hadronic decays of the B meson with two charm quarks. To reach this goal l developed the technique to reconstruct the decays B-->DsJD(*). After clear evidence of signal on all the decay modes under study (some of them seen for the first time in the world !), l estimated the number of signal events and l computed the corresponding branching ratios, after background rejection, reconstruction efficiency evaluatlon and systematic errors estimation. The order of magnitude of the branching ratios is 10/\-3; these values are slightly smaller than the corresponding of the decays B-->DsD(*) , expected of the same order in the factorisatlon hypothesis. Using angular analysis l measured the quantum numbers of DsJ(2460)+, obtaining a result compatible with the hypothesis JP=1+
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 New Measurements from Fully Reconstructed Hadronic Final States of the $B^0_2$ Meson at CDF II Experiment by :
Download or read book New Measurements from Fully Reconstructed Hadronic Final States of the $B^0_2$ Meson at CDF II Experiment written by and published by . This book was released on 2006 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis reports the reconstruction and lifetime measurement of B+, B$0/atop{d}$ and B$0/atop{s}$ mesons, performed using fully reconstructed hadronic decays collected by a dedicated trigger at CDF II experiment. This dedicated trigger selects significantly displaced tracks from primary vertex of p$\bar{p}$ collisions generated at Tevatron collider, obtaining, in this way, huge data samples enriched of long-lived particles, and is therefore suitable for reconstruction of B meson in hadronic decay modes. Due to the trigger track impact parameter selections, the proper decay time distributions of the B mesons no longer follow a simply exponential decay law. This complicates the lifetime measurement and requires a correct understanding and treatment of all the involved effects to keep systematic uncertainties under control. This thesis presents a method to extract the lifetime of B mesons in "ct- biased" samples, based on a Monte Carlo approach, to correct for the effects of the trigger and analysis selections. We present the results of this method when applied on fully re- constructed decays of B collected by CDF II in the data taking runs up to August 2004, corresponding to an integrated luminosity of about 360 pb-1. The lifetimes are extracted using the decay modes B+ 2!$\bar{D}$0[pi]+, B$0\atop{d}$ 2!D-[pi]+, B$0\atop{d}$ 2!D-[pi]+[pi]-[pi]+, B$0\atop{s}$ 2!D$-\atop{s}$[pi]+ and B$0\atop{s}$ 2!D$-\atop{s}$ [pi]+[pi]-[pi]+(and c.c.) and performing combined mass-lifetime unbinned maximum likelihood fits.
Book Synopsis '95 Electroweak Interactions and Unified Theories by : J. Thanh Van Tran
Download or read book '95 Electroweak Interactions and Unified Theories written by J. Thanh Van Tran and published by Atlantica Séguier Frontières. This book was released on 1995 with total page 574 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis American Doctoral Dissertations by :
Download or read book American Doctoral Dissertations written by and published by . This book was released on 2000 with total page 816 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Production of Excited Charm Mesons in Semileptonic B Decay by : Leo Bellantoni
Download or read book The Production of Excited Charm Mesons in Semileptonic B Decay written by Leo Bellantoni and published by . This book was released on 1995 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Heavy Flavours II written by A. J. Buras and published by World Scientific. This book was released on 1998 with total page 856 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume is a collection of review articles on the most outstanding topics in heavy flavour physics. All the authors have made significant contributions to this field. The book reviews in detail the theoretical structure of heavy flavour physics and confronts the Standard Model and some of its extensions with existing experimental data.This new edition covers new trends and ideas and includes the latest experimental information. Compared to the previous edition interesting new activities are included and some of the key contributions are updated. Particular attention is paid to the discovery of the top quark and the determination of its mass.
Book Synopsis A Measurement of the Neutral B Meson Lifetime Using Partially Reconstructed B0 -] D*-pi+ Decays by :
Download or read book A Measurement of the Neutral B Meson Lifetime Using Partially Reconstructed B0 -] D*-pi+ Decays written by and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The neutral B meson lifetime has been measured with the data collected by the BABAR detector at the PEP-II storage ring during the year 2000 for a total integrated luminosity of 20.3 fb[sup -1]. The B[sup 0][yields] D*[sup -][pi][sup+] decays have been selected with a partial reconstruction method in which only the fast pion from the B[sup 0] decay and the slow pion from D*[sup -][yields][bar D][sup 0][pi][sup -] are reconstructed. The B[sup 0] lifetime has been measured to be 1.510[+-] 0.040[+-] 0.038 ps with a sample of 6971[+-] 241 reconstructed signal events.
Book Synopsis High Energy Physics: Ichep 2000 - Proceedings Of The 30th International Conference (In 2 Volumes) by : Chong-sa Lim
Download or read book High Energy Physics: Ichep 2000 - Proceedings Of The 30th International Conference (In 2 Volumes) written by Chong-sa Lim and published by World Scientific. This book was released on 2001-04-30 with total page 1550 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents topics of major interest to the high energy physics community, as well as recent research results.
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 Semileptonic B Meson to Excited Charm Meson Decay by : Suzanne Lorraine Jones
Download or read book Semileptonic B Meson to Excited Charm Meson Decay written by Suzanne Lorraine Jones and published by . This book was released on 1996 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of the Partial Branching Fraction for Inclusive Semileptonic B Meson Decays to Light Hadrons B->Xulv and an Improved Determination of the Quark Mixing Matrix Element Vub by : Alexei Volk
Download or read book Measurement of the Partial Branching Fraction for Inclusive Semileptonic B Meson Decays to Light Hadrons B->Xulv and an Improved Determination of the Quark Mixing Matrix Element Vub written by Alexei Volk and published by . This book was released on 2009 with total page 127 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of the Partial Branching Fraction for Inclusive Semileptonic B Meson Decays to Light Hadrons B->Xu L Nu and an Improved Determination of the Quark-mixing Matrix Element V Ub by : Alexei Volk
Download or read book Measurement of the Partial Branching Fraction for Inclusive Semileptonic B Meson Decays to Light Hadrons B->Xu L Nu and an Improved Determination of the Quark-mixing Matrix Element V Ub written by Alexei Volk and published by . This book was released on 2009 with total page 127 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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