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A Measurement Of Bo Anti Bo Oscillations Using Fully Reconstructed Hadronic B Decays At Babar
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Book Synopsis A Measurement of BO Anti-Bo Oscillations Using Fully-Reconstructed Hadronic B Decays at BaBar by : Stanford Linear Accelerator Center
Download or read book A Measurement of BO Anti-Bo Oscillations Using Fully-Reconstructed Hadronic B Decays at BaBar written by Stanford Linear Accelerator Center and published by . This book was released on with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Measurement of B0 Anti-B0 Oscillations Using Fully-reconstructed Hadronic B Decays at BaBar by : Benjamin Paul Brau
Download or read book A Measurement of B0 Anti-B0 Oscillations Using Fully-reconstructed Hadronic B Decays at BaBar written by Benjamin Paul Brau and published by . This book was released on 2002 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt: Flavor oscillations of neutral B mesons have been studied with e+e- annihilation data collected at center of mass energies near the [gamma](4S) at the PEP-II asymmetric collider with the BABAR detector. One B0 is fully reconstructed in a hadronic decay to a flavor eigenstate. The flavor of the other B in the event is determined using an inclusive tagging algorithm which exploits the correlations between the flavor of the b quark and the charges of its decay products. By fitting the decay-time distribution of the observed mixed and unmixed final states, the oscillation frequency, [Delta]md, is determined to be 0.516 +/- 0.016 (stat.) +/- 0.010 (syst.) ps-l.
Book Synopsis A Measurement of B0 Anti-B0 Oscillations Using Fully-Reconstructed Hadronic B Decays at BABAR. by :
Download or read book A Measurement of B0 Anti-B0 Oscillations Using Fully-Reconstructed Hadronic B Decays at BABAR. written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Flavor oscillations of neutral B mesons have been studied with e[sup +]e[sup -] annihilation data collected at center of mass energies near the [Upsilon](4S) at the PEP-II asymmetric collider with the BABAR detector. One B[sup 0] is fully reconstructed in a hadronic decay to a flavor eigenstate. The flavor of the other B in the event is determined using an inclusive tagging algorithm which exploits the correlations between the flavor of the b quark and the charges of its decay products. By fitting the decay-time distribution of the observed mixed and unmixed final states, the oscillation frequency, [Delta]m[sub d], is determined to be 0.516 [+-] 0.016(stat.) [+-] 0.010(syst.) ps[sup -1].
Book Synopsis A Measurement of the CP Parameter Sin2β Using Fully Reconstructed B -> Cc̄ Decays at the BaBar Experiment by : Eric Charles
Download or read book A Measurement of the CP Parameter Sin2β Using Fully Reconstructed B -> Cc̄ Decays at the BaBar Experiment written by Eric Charles and published by . This book was released on 2002 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurements of the B0-anti-B0 Oscillation Frequency in Hadronic B Decays by :
Download or read book Measurements of the B0-anti-B0 Oscillation Frequency in Hadronic B Decays 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 Measurement of B0-anti-B0 Flavor Oscillations in Hadronic B0 Decays by :
Download or read book Measurement of B0-anti-B0 Flavor Oscillations in Hadronic B0 Decays written by and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Flavor oscillations of neutral B mesons have been studied in e[sup+]e[sup -] annihilation data collected with the BABAR detector at center-of-mass energies near the[Upsilon](4S) resonance. The data sample used for this purpose consists of events in which one B[sup 0] meson is reconstructed in a hadronic decay mode, while the flavor of the recoiling B[sup 0] is determined with a tagging algorithm that exploits the correlation between the flavor of the heavy quark and the charges of its decay products. From the time development of the observed mixed and unmixed final states we determine the B[sup 0]-[bar B][sup 0] oscillation frequency[Delta]m[sub d] to be 0.516[+-] 0.016(stat)[+-] 0.010(syst) ps[sup -1].
Book Synopsis Bd Mixing Measurements with the Babar Detector by :
Download or read book Bd Mixing Measurements with the Babar Detector written by and published by . This book was released on 2002 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: The B°{bar B}° oscillation frequency [Delta] m{sub d} has been measured with the BABAR detector at the PEP-II asymmetric B factory with different experimental techniques. The discussion here is focused on the recent simultaneous measurement of [Delta] m{sub d} and [tau]{sub B°} with exclusively reconstructed B{sup 0} 2!D*− l [nu]{sub l} decays, based on 23 million B {bar B} pairs collected by BABAR. The measurements of [Delta] m{sub d} with fully reconstructed hadronic decays and with dilepton events are also reviewed. The average BABAR result is [Delta] m{sub d} = 0.500 ± 0.008 ± 0.006 ps−1.
Book Synopsis Measurement of the BoBo Oscillation Frequency Using Fully-reconstructed Semileptonic Decays by : Christopher Mark Le Clerc
Download or read book Measurement of the BoBo Oscillation Frequency Using Fully-reconstructed Semileptonic Decays written by Christopher Mark Le Clerc and published by . This book was released on 2002 with total page 578 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Observation of B0s - B−0s Oscillations Using Partially Reconstructed Hadronic Bs Decays by : Jeffrey Robert Miles
Download or read book Observation of B0s - B−0s Oscillations Using Partially Reconstructed Hadronic Bs Decays written by Jeffrey Robert Miles and published by . This book was released on 2008 with total page 241 pages. Available in PDF, EPUB and Kindle. Book excerpt: (Cont.) The discovery threshold would not be achieved without inclusion of the partially reconstructed hadronic decays. We measure ... consistent with the Standard Model expectation.
Book Synopsis Lifetime Measurements with Exclusively Reconstructed B Decays by :
Download or read book Lifetime Measurements with Exclusively Reconstructed B Decays written by and published by . This book was released on 2000 with total page 5 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 measure the lifetimes of the B° and B mesons. The data sample consists of 8.3 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.
Book Synopsis Measurements of B0 and B+- Lifetimes and B0-anti-B0 Mixing with Fully Reconstructed B Decays in BABAR. by :
Download or read book Measurements of B0 and B+- Lifetimes and B0-anti-B0 Mixing with Fully Reconstructed B Decays in BABAR. written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Time-dependent B[sup 0][bar B][sup 0] flavor oscillations and B[sup 0] and B[sup+] lifetimes are studied in a sample of fully reconstructed B mesons collected with the BABAR detector, running at the PEP-II asymmetric e[sup+]e[sup -] B Factory with center-of-mass energies near the[Upsilon](4S) resonance. This is the first time that time-dependent mixing and lifetime measurements have been performed at[Upsilon](4S) energies.
Book Synopsis Observation of Bs-Bsbar Oscillations Using Partially Reconstructed Hadronic Bs Decays by :
Download or read book Observation of Bs-Bsbar Oscillations Using Partially Reconstructed Hadronic Bs Decays written by and published by . This book was released on 2008 with total page 243 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis describes the contribution of partially reconstructed hadronic decays in the world's first observation of B$0\atop{s}$-$\bar{B}$$0\atop{s}$ oscillations. The analysis is a core member of a suite of closely related studies whose combined time-dependent measurement of the B$0\atop{s}$-$\bar{B}$$0\atop{s}$ oscillation frequency [Delta]ms is of historic significance. Using a data sample of 1 fb-1 of p$\bar{p}$ collisions at √s = 1.96 TeV collected with the CDF-II detector at the Fermilab Tevatron, they find signals of 3150 partially reconstructed hadronic Bs decays from the combined decay channels B$0\atop{s}$ → D*$-\atop{s}$ [pi]+ and B$0\atop{s}$ → D$-\atop{s}$ [rho]+ with D$-\atop{s}$ → [Phi][pi]-. These events are analyzed in parallel with 2000 fully reconstructed B$0\atop{s}$ → D$-\atop{s}$ [pi]+ (D$-\atop{s}$ → [Phi][pi]-) decays. The treatment of the data is developed in stages of progressive complexity, using high-statistics samples of hadronic B0and B+ decays to study the attributes of partially reconstructed events. The analysis characterizes the data in mass and proper decay time, noting the potential of the partially reconstructed decays for precise measurement of B branching fractions and lifetimes, but consistently focusing on the effectiveness of the model for the oscillation measurement. They efficiently incorporate the measured quantities of each decay into a maximum likelihood fitting framework, from which they extract amplitude scans and a direct measurement of the oscillation frequency. The features of the amplitude scans are consistent with expected behavior, supporting the correctness of the calibrations for proper time uncertainty and flavor tagging dilution. The likelihood allows for the smooth combination of this analysis with results from other data samples, including 3500 fully reconstructed hadronic Bs events and 61,500 partially reconstructed semileptonic Bs events. The individual analyses show compelling evidence for B$0\atop{s}$-$\bar{B}$$0\atop{s}$ oscillations, and the combination yields a clear signal. The probability that random fluctuations could produce a comparable signature is 8 x 10-8, which exceeds the 5 standard deviations threshold of significance for observation. The discovery threshold would not be achieved without inclusion of the partially reconstructed hadronic decays. They measure [Delta]ms = 17.77 ± 0.10(stat) ± 0.07(syst) ps-1 and extract.
Book Synopsis B Mixing and Lifetime Measurements with the BaBar Detector by :
Download or read book B Mixing and Lifetime Measurements with the BaBar Detector written by and published by . This book was released on 2001 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent BABAR measurements on lifetime and mixing of B mesons are reported. Various techniques are used, ranging from the full reconstruction of hadronic B decays, to partial reconstruction techniques, and to a totally inclusive approach with dilepton events. The results presented are based on a data sample collected by BABAR during the 1999-2000 data taking, and should be considered as preliminary.
Book Synopsis Observation of B0s - B−0s Oscillations Using Partially Reconstructed Hadronic Bs Decays by :
Download or read book Observation of B0s - B−0s Oscillations Using Partially Reconstructed Hadronic Bs Decays written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: By Jeffrey Robert Miles.
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2005 with total page 804 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 2002 with total page 776 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Inclusive Semileptonic B Decays at BABAR. by :
Download or read book Inclusive Semileptonic B Decays at BABAR. written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors report updates on two analyses of inclusive semileptonic B decays based on a dataset of 89 million B[bar B] events recorded with the BABAR detector at the [Upsilon](4S) resonance. Events are selected by fully reconstructing the decay of one B meson and identifying a charged lepton from the decay of the other [bar B] meson. IN the first analysis, the measurement of the first and second moment of the hadronic mass distribution in Cabibbo-favored [bar B] [yields] X[sub c][ell][bar [nu]] decays allows for the determination of the nonperturbative parameters [bar [Lambda]] and [lambda][sub 1] of Heavy Quark Effective Theory (HQET) and V[sub cb]. In the second analysis, the hadronic mass distribution is used to measure the inclusive charmless semileptonic branching fraction and to determine V[sub ub].
