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Measurement Of The Radiative Decay Branching Fraction In The Meg Experiment
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Book Synopsis Measurement of the Radiative Decay Branching Fraction in the MEG Experiment by : Feng Xiao
Download or read book Measurement of the Radiative Decay Branching Fraction in the MEG Experiment written by Feng Xiao and published by . This book was released on 2010 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt: A measurement of the radiative muon decay [mu] --> e v e̳ v [m̳u̳] [gamma] branching fraction was done on the basis of the radiative decay data of MEG experiment. The data were taken periodically one day per week with the beam intensity of 1.2x106 [mu] + / s from September to December, 2008. The positron was measured by a spectrometer with gradient magnetic field. The photon was detected by an innovative ̃900 liter liquid xenon scintillation detector. The measurement was carried out with a cut-and-count approach. We report the radiative muon decay branching fraction to be B([mu] --> e vv̄ [gamma]) = (2.84 ± 0.20(stat) ± 0.05(syst))x10−7, with Ee̳> 46 MeV, E [gamma]> 30 MeV, and the opening angle between the two particles [theta] e̳ [gamma] in its full kinematic range. Distributions of three observables, E e̳, E [gamma], and [theta] e̳ [gamma], as well as their kinematic correlations were verified to be consistent with the radiative decays. The measurement is in excellent agreement with the prediction of the Standard Model.
Book Synopsis Selected Exercises in Particle and Nuclear Physics by : Lorenzo Bianchini
Download or read book Selected Exercises in Particle and Nuclear Physics written by Lorenzo Bianchini and published by Springer. This book was released on 2017-11-25 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents more than 300 exercises, with guided solutions, on topics that span both the experimental and the theoretical aspects of particle physics. The exercises are organized by subject, covering kinematics, interactions of particles with matter, particle detectors, hadrons and resonances, electroweak interactions and flavor physics, statistics and data analysis, and accelerators and beam dynamics. Some 200 of the exercises, including 50 in multiple-choice format, derive from exams set by the Italian National Institute for Nuclear Research (INFN) over the past decade to select its scientific staff of experimental researchers. The remainder comprise problems taken from the undergraduate classes at ETH Zurich or inspired by classic textbooks. Whenever appropriate, in-depth information is provided on the source of the problem, and readers will also benefit from the inclusion of bibliographic details and short dissertations on particular topics. This book is an ideal complement to textbooks on experimental and theoretical particle physics and will enable students to evaluate their knowledge and preparedness for exams.
Book Synopsis Gauge Theory of Weak Decays by : Andrzej J. Buras
Download or read book Gauge Theory of Weak Decays written by Andrzej J. Buras and published by Cambridge University Press. This book was released on 2020-07-02 with total page 739 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The ultimate question of elementary particle physics is: What is the fundamental Lagrangian of nature surrounding us? The Lagrangian of the SM is very successful in describing nature at the currently available energy range. The discovery of the Higgs boson completed the particle spectrum of the SM and it is another proof of how well the SM works. Nevertheless the SM cannot be the end of the story and it is for sure not the fundamental Lagrangian of nature. The Lagrangian of the SM looses its validity at the latest at the Planck scale where gravitational effects become noticeable.Most physicists think of the SM as an effective theory that has to be replaced by a more fundamental theory above the TeV scale. What the word effective really means will hopefully be clear at later stages of our book. For the time being we will list some problems and open questions of the SM"--
Book Synopsis Measurement of Branching Fractions of Radiative Charm Decays by :
Download or read book Measurement of Branching Fractions of Radiative Charm Decays written by and published by . This book was released on 2008 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: We present a measurement of the branching fractions for the Cabibbo-favored radiative decay, D° → {bar K}*°?, and the Cabibbo-suppressed radiative decay, D° →??. These measurements are based on a data sample corresponding to an integrated luminosity of 387.1 fb−1, recorded with the BABAR detector at the PEP-II ee− asymmetric-energy collider operating at center-of-mass energies 10.58 and 10.54 GeV. We measure the branching fractions relative to the well-studied decay D° → K−?+ and find?(D° → {bar K}*°?)/?(D° → K−?+) = (8.43 ± 0.51 ± 0.70) x 10−3 and?(D° →??)/?(D° → K−?+) = (7.15 ± 0.78 ± 0.69) x 10−4, where the first error is statistical and the second is systematic. This is the first measurement of?(D° → {bar K}*°?).
Book Synopsis Measurement of the Branching Fraction for the DecayB^{\pm} to K^{*\pm} Gamma, K^{*\pm} ToK^{\pm} \pi^{0} with the BaBar Detector by : K. Koeneke
Download or read book Measurement of the Branching Fraction for the DecayB^{\pm} to K^{*\pm} Gamma, K^{*\pm} ToK^{\pm} \pi^{0} with the BaBar Detector written by K. Koeneke and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The branching fraction of the radiative penguin B meson decay B{sup {+-}} {yields} K*{sup {+-}}{gamma} is measured at the PEP-II asymmetric energy e{sup +}e{sup -} collider, operating at a center of momentum energy of 10.58 GeV, the {Upsilon}(4S) resonance. This document concentrates on the case K*{sup {+-}} {yields} K{sup {+-}}{pi}{sup 0}; {pi}{sup 0} {yields} {gamma}{gamma}. This analysis is based on a dataset of 88.2-million {Upsilon}(4S) {yields} B{bar B} events corresponding to 81.3 fb{sup -1} collected with the BABAR detector.
Book Synopsis Physics Beyond The Standard Models Of Particles, Cosmology And Astrophysics - Proceedings Of The Fifth International Conference - Beyond 2010 by : Hans Volker Klapdor-kleingrothaus
Download or read book Physics Beyond The Standard Models Of Particles, Cosmology And Astrophysics - Proceedings Of The Fifth International Conference - Beyond 2010 written by Hans Volker Klapdor-kleingrothaus and published by World Scientific. This book was released on 2011-03-23 with total page 774 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains the proceedings of the Fifth International Conference on Physics Beyond the Standard Models of Particle Physics, Cosmology and Astrophysics. It presents a brilliant overview of the status and future potential and trends in experimental and theoretical particle physics, cosmology and astrophysics, in the complimentary sectors of accelerator, non-accelerator and space physics.
Book Synopsis A Measurement of the Branching Ratio for the Radiative Decay of the Sigma and Hyperon by : A. T. Wood
Download or read book A Measurement of the Branching Ratio for the Radiative Decay of the Sigma and Hyperon written by A. T. Wood and published by . This book was released on 1984 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of the Branching Fraction and Polarization for the Decay B- ---] D*0K*- by :
Download or read book Measurement of the Branching Fraction and Polarization for the Decay B- ---] D*0K*- written by and published by . This book was released on 2003 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Measurement of the Branching Fraction of the Semileptonic Decay from the D+ Meson to the K̄(892)*° Meson by : Sang-Joon Lee
Download or read book A Measurement of the Branching Fraction of the Semileptonic Decay from the D+ Meson to the K̄(892)*° Meson written by Sang-Joon Lee and published by . This book was released on 2001 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of the Branching Fraction and Polarization for the Decay B− 2!D*° K*− by :
Download or read book Measurement of the Branching Fraction and Polarization for the Decay B− 2!D*° K*− written by and published by . This book was released on 2003 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors present a study of the decay B− → D*° K*− based on a sample of 86 million [Upsilon](4S) → B{bar B} decays collected with the BABAR detector at the PEP-II asymmetric-energy B Factor at SLAC. The authors measure the branching fraction [Beta](B− → D*° K*−) = (8.3 ± 1.1(stat) ± 1.0(syst)) x 10−4, and the fraction of longitudinal polarization in this decay to be [Lambda]{sub L}/[Lambda] = 0.86 ± 0.06(stat) ± 0.03(syst).
Book Synopsis Measurement of the Branching Fraction of B+ → Τ+ντ Decays at the Belle Experiment by : Bastian Kronenbitter
Download or read book Measurement of the Branching Fraction of B+ → Τ+ντ Decays at the Belle Experiment written by Bastian Kronenbitter and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of the Branching Fraction for the Decay B± [arrow] K*±[gamma], K*± [arrow] K±[pi]0 with the BaBar Detector by : Karsten Köneke
Download or read book Measurement of the Branching Fraction for the Decay B± [arrow] K*±[gamma], K*± [arrow] K±[pi]0 with the BaBar Detector written by Karsten Köneke and published by . This book was released on 2003 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of the Branching Fraction of the Decay B 0 → Ψ(2S)π 0 [psi(2S)pi 0] and Studies of the Luminosity-dependent Background for the Belle II Experiment at the Future Accelerator SuperKEKB by : Elena Nedelkovska
Download or read book Measurement of the Branching Fraction of the Decay B 0 → Ψ(2S)π 0 [psi(2S)pi 0] and Studies of the Luminosity-dependent Background for the Belle II Experiment at the Future Accelerator SuperKEKB written by Elena Nedelkovska and published by . This book was released on 2013 with total page 167 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Journal of the Physical Society of Japan by :
Download or read book Journal of the Physical Society of Japan written by and published by . This book was released on 2016 with total page 1220 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of the Branching Fraction for the Decay B°--]D{sup *+}D{sup *-} by :
Download or read book Measurement of the Branching Fraction for the Decay B°--]D{sup *+}D{sup *-} written by and published by . This book was released on 2001 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: Decays of the type B 2!D{sup (*)} {bar D}(*) can be used to provide a measurement of the parameter sin2[beta] of the Unitarity Triangle that is complementary to the measurement derived from the mode B° 2!K{sub S}°. In this document we report a measurement of the branching fraction for the decay B° 2!D*D*− with the BABAR detector. With data corresponding to an integrated luminosity of 20.7 fb−1 collected at the [Upsilon](4S) resonance during 1999-2000, we have reconstructed 38 candidate signal events in the mode B° 2!D*D*− with an estimated background of 6.2 ± 0.5 events. From these events, we determine the branching fraction to be [Beta](B° 2!D*+D*−) = (8.0 ± 1.6(stat) ± 1.2(syst)) x 10−4 (preliminary). The measured fraction of the component with odd CP parity is 0.27± 0.17(stat) ± 0.02(syst).
Book Synopsis Measurement of the Branching Fraction of the Semileptonic Decay Anti-B0 ---] D*+ Mu- Anti-Muon-Neutrino in the BaBar Experiments by : Douglas Michael Thiessen
Download or read book Measurement of the Branching Fraction of the Semileptonic Decay Anti-B0 ---] D*+ Mu- Anti-Muon-Neutrino in the BaBar Experiments written by Douglas Michael Thiessen and published by . This book was released on 2005 with total page 125 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis presents a measurement of the branching fraction for the exclusive semileptonic decay {bar B}{sup 0} {yields} D*{sup +}{mu}{sup -}{nu}{sub {mu}}. This decay is essentially the decay of a b quark to a c quark inside the meson with the release of a muon and neutrino, and it provides a very clean signal for measuring various B meson decay properties. the data for this measurement consist of 22.3 million B{bar B} pairs collected by the BABAR detector at the Stanford Linear Accelerator Center in 1999-2000. The branching fraction is measured to be {Beta}({bar B}{sup 0} {yields} D*{sup +}{mu}{sup -}{bar {nu}}{sub {mu}}) = [4.72 {+-} 0.10 (data stat.) {+-} 0.06 (MC stat.) {+-} 0.20 (syst.) {+-} 0.17 (other {Beta})]%.
Book Synopsis Measurement of the Branching Fraction and Decay Rate Asymmetry of B to D_pi+ Pi- Pi0 K-. by :
Download or read book Measurement of the Branching Fraction and Decay Rate Asymmetry of B to D_pi+ Pi- Pi0 K-. written by and published by . This book was released on 2005 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors report the observation of the decay B− → D{sub ?+?−?°}K−, where D{sub ?+?−?°} indicates a neutral D meson detected in the final state ?+?−?°, excluding K{sub S}°?°. This doubly Cabibbo-suppressed decay chain can be used to measure the CKM phase ?. Using about 229 million e+e− → B{bar B} events recorded by the BABAR experiment at the PEP-II e+e− storage ring, they measure the branching fraction ?(B− → D{sub ?+?−?°K−}) = (5.5 ± 1.0 (stat.) ± 0.7 (syst.)) x 10−6 and the decay rate asymmetry A = -0.02 ± 0.16 (stat.) ± 0.03 (syst.) for the full decay chain.
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