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Study Of Orbitally Excited Bs Mesons And Evidence For A New B Resonance With The Cdf Ii Detector
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Book Synopsis Study of Orbitally Excited B(s) Mesons and Evidence for a New B Π Resonance with the CDF II Detector by : Manuel Kambeitz
Download or read book Study of Orbitally Excited B(s) Mesons and Evidence for a New B Π Resonance with the CDF II Detector written by Manuel Kambeitz and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Study of Orbitally Excited B(s) Mesons and Evidence for a New B Pi Resonance with the CDF II Detector by : Manuel Kambeitz
Download or read book Study of Orbitally Excited B(s) Mesons and Evidence for a New B Pi Resonance with the CDF II Detector written by Manuel Kambeitz and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Study of Orbitally Excited $B_{(s)}$ Mesons and Evidence for a New $B\pi$ Resonance with the CDF II Detector by :
Download or read book Study of Orbitally Excited $B_{(s)}$ Mesons and Evidence for a New $B\pi$ Resonance with the CDF II Detector written by and published by . This book was released on 2014 with total page 127 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis presents an analysis of excited states of B0, B+ and B0 s mesons, decaying to B mesons while emitting a pion or kaon. They are reconstructed from their decay products and a selection is performed to discard wrongly reconstructed B(s) mesons with the multivariate analysis software NeuroBayes, as described in chapter 5. In the training process, the sPlot method and measured and simulated data are used. Chapter 6 describes how the properties of excited B(s) are determined by an unbinned maximum likelihood t to their mass spectra. The systematic uncertainties determined in this analysis are described in chapter 7. The results of this thesis are presented in chapter 8 and a conclusion is given in chapter 9. The results shown in this thesis have been published before in [1].
Book Synopsis Search for Orbitally Excited B Mesons with the CDF II Detector by : Andreas Gessler
Download or read book Search for Orbitally Excited B Mesons with the CDF II Detector written by Andreas Gessler and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Studies of Orbitally Excited D^**_(s) and B^** Mesons at Cdf and by : Jennifer Pursley
Download or read book Studies of Orbitally Excited D^**_(s) and B^** Mesons at Cdf and written by Jennifer Pursley and published by . This book was released on 2006 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: Using a large data sample of p{bar p} collisions at {radical}s = 1.96 TeV recorded by the CDF and D0 detectors operating at Fermilab Tevatron, the orbitally excited B mesons B{sub 1} and B*{sub 2} are observed directly as two separate states in fully reconstructed decays to B{sup (*)}{pi}. The masses and the mass differences between the states are presented. In the charm system, the orbitally excited D mesons D{sub 1} and D*{sub 2} are observed in fully reconstructed decays to D{sup (*)}{pi}. Measurements of the product branching rates of semileptonic decays B {yields} {bar D}**{mu}{sup +}{nu}{sub {mu}}X and their ratio are presented. They also present the observation of the semileptonic decays B{sub s} {yields} {mu}{nu}D**{sub s} where the excited D**{sub s} states are reconstructed in the mode D**{sub s} {yields} D*K{sub S}{sup 0}.
Book Synopsis Spectroscopy of Orbitally Excited Bs Mesons with the CDF II Detector by : Martin Heck
Download or read book Spectroscopy of Orbitally Excited Bs Mesons with the CDF II Detector written by Martin Heck and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for Orbitally Excited B Mesons with the CDF II Detector by :
Download or read book Search for Orbitally Excited B Mesons with the CDF II Detector written by and published by . This book was released on 2009 with total page 169 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Spectroscopy of Orbitally Excited $B_{s}$ Mesons with the CDF II Detector by :
Download or read book Spectroscopy of Orbitally Excited $B_{s}$ Mesons with the CDF II Detector written by and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of Resonance Parameters of Orbitally Excited Narrow B0̂ Mesons by :
Download or read book Measurement of Resonance Parameters of Orbitally Excited Narrow B0̂ Mesons written by and published by . This book was released on 2008 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors report a measurement of resonance parameters of the orbitally excited (L = 1) narrow B° mesons in decays to B{sup (*)+}?− using 1.7 fb−1 of data collected by the CDF II detector at the Fermilab Tevatron. The mass and width of the B*2° state are measured to be m(B*2°) = 5740.2{sub -1.8}{sup +1.7}(stat.){sub -0.8}{sup +0.9}(syst.) MeV/c2 and?(B*2°) = 22.7{sub -3.2}{sup +3.8}(stat.){sub -10.2}{sup +3.2}(syst.) MeV/c2. The mass difference between the B*2° and B1° states is measured to be 14.9{sub -2.5}{sup +2.2}(stat.){sub -1.4}{sup +1.2}(syst.) MeV/c2, resulting in a B1° mass of 5725.3{sub -2.2}{sup +1.6}(stat.){sub -1.5}{sup +1.4}(syst.) MeV/c2. This is currently the most precise measurement of the masses of these states and the first measurement of the B*2° width.
Book Synopsis Observations and Measurements of Orbitally Excited L by :
Download or read book Observations and Measurements of Orbitally Excited L written by and published by . This book was released on 2008 with total page 297 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis describes investigations of the first set of orbitally excited (L = 1) states for both the Bd0 and Bs0 meson systems (B**d and B**s). The data sample corresponds to 1.35 fb-1 of integrated luminosity, collected in 2002-2006 by the D0 detector, during the Run IIa operation of the Tevatron p$\bar{p}$ colliding beam accelerator. The B**d states are fully reconstructed in decays to B(*)+ [pi]-, with B(*)+ → [gamma] J/[Psi]K+, J/[Psi] → [mu]+[mu]-, yielding 662 ± 91 events, and providing the first strong evidence for the resolution of two narrow resonances, B1 and B*2. The masses are extracted from a binned [Chi]2 fit to the invariant mass distribution, giving M(B1) = 5720.7 ± 2.4(stat.) ± 1.3(syst.) ± 0.5 (PDG) MeV/c2 and M(B*2) = 5746.9 ± 2.4(stat.) ± 1.0(syst.) ± 0.5(PDG) MeV/c2. The production rate of narrow B**d → B[pi] resonances relative to the B+ meson is determined to be [13.9 ± 1.9(stat.) ± 3.2(syst.)]%. The same B+ sample is also used to reconstruct the analogous states in the Bs0 system, in decays B**s → B(*)+ K-. A single resonance in the invariant mass distribution is found with a statistical significance of 5[sigma], interpreted as the B*s2 state. The mass is determined to be M(B*s2) = 5839.6 ± 1.1(stat.) ± 0.4(syst.) ± 0.5(PDG) MeV/c 2, and the production rate of B*s2 → BK resonances is measured to be a fraction (2.14 ± 0.43 ± 0.24)% of the corresponding rate for B+ mesons. Alternative fitting hypotheses give inconclusive evidence for the presence of the lighter Bs1 meson.
Book Synopsis Latest Results on Orbitally Excited Strange Bottom Mesons with the CDF II Detector by : Igor V. Gorelov
Download or read book Latest Results on Orbitally Excited Strange Bottom Mesons with the CDF II Detector written by Igor V. Gorelov and published by . This book was released on 2006 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors present the latest results on the spectroscopy of orbitally excited strange bottom mesons from {approx} 1 fb{sup -1} of CDF data. The measurements are performed with fully reconstructed B decays collected by the CDF II detector at {radical}s = 1.96 TeV in both the di-muon and the fully hadronic trigger paths.
Book Synopsis Measurement of Orbitally Excited D-mesons at CDF II. by : Igor V. Gorelov
Download or read book Measurement of Orbitally Excited D-mesons at CDF II. written by Igor V. Gorelov and published by . This book was released on 2004 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: Results of the first measurement of {sup 3}P orbitally excited neutral D-meson states, D*{sub 2}{sup 0} and D{sub 1}{sup 0}, produced in hadron collisions at the Tevatron are presented. Using data from the displaced track trigger, CDF II collects a large sample of these states in decay modes D*{sup +} {pi}{sup -}, D{sup +} {pi}{sup -}. Masses and widths of both states have been measured with precision better than or comparable to that of the world average.
Book Synopsis Observation of Excited B Mesons in P Pbar Collisions a Square Root S by :
Download or read book Observation of Excited B Mesons in P Pbar Collisions a Square Root S written by and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Production of orbitally excited (L = 1) states of B mesons, B{sup **}, is studied using a sample of nearly ten thousand partially reconstructed B mesons collected with the CDF detector from p{anti p} collisions at (square root)s = 1.8 TeV. Ambiguities in the reconstruction of the B flavor and momentum are resolved. The fraction of b quarks that hadronize into an L = 1 state is measured to be 0.28 " 0.06(stat) " 0.03(syst), and the collective mass of the B{sup **} states is measured to be m(B1) = 5.71 " 0.02 GeV/c2 given the mass splittings between the four states.
Book Synopsis Observation of Orbitally Excited B Mesons with the DELPHI Detector at LEP by : Christof J. Kreuter
Download or read book Observation of Orbitally Excited B Mesons with the DELPHI Detector at LEP written by Christof J. Kreuter and published by . This book was released on 1996 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Study of Orbitally Excited B-mesons in Pp Collisions with the DO Experimant at the Tevatron by : Matthew Steven Doidge
Download or read book A Study of Orbitally Excited B-mesons in Pp Collisions with the DO Experimant at the Tevatron written by Matthew Steven Doidge and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Semileptonic B Decays to Narrow Orbitally-excited Charm Mesons Using the OPAL Detector at LEP by : Pedro Augusto Amaral
Download or read book Semileptonic B Decays to Narrow Orbitally-excited Charm Mesons Using the OPAL Detector at LEP written by Pedro Augusto Amaral and published by . This book was released on 2003 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Study of B Meson Decays with Excited Eta and Eta-prime Mesons by :
Download or read book Study of B Meson Decays with Excited Eta and Eta-prime Mesons written by and published by . This book was released on 2008 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: Using 383 million B{bar B} pairs from the BABAR data sample, they report results for branching fractions of six charged B-meson decay modes, where a charged kaon recoils against a charmless resonance decaying to K{bar K}* or [eta][pi][pi] final states with mass in the range (1.2-1.8) GeV/c2. They observe a significant enhancement at the low K{bar K}* invariant mass which is interpreted as B 2K, find evidence for the decay B+ 2K+, and place upper limits on the decays B+ 2K+, B+ 2!f1(1285)K+, B+ 2!f1(1420)K+, and B+ 2K+.
