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Observation Of Exclusive Two Body B Decays To Kaons And Pions
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Book Synopsis OBSERVATION OF EXCLUSIVE TWO-BODY B DECAYS TO KAONS AND PIONS. by :
Download or read book OBSERVATION OF EXCLUSIVE TWO-BODY B DECAYS TO KAONS AND PIONS. written by and published by . This book was released on 2003 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: We have studied two-body charmless hadronic decays of B mesons into the final states??, K?, and KK. Using 3.3 million B{bar B} pairs collected with the CLEO-II detector, we have made the first observation of the decays B° → K?−, B+ → K°?+, and the sum of B+ →?+?° and B+ → K+?° decays (an average over charge-conjugate states is always implied). We place upper limits on branching fractions for the remaining decay modes.
Book Synopsis Measurement of Two Body B Meson Decays to Pions and Kaons with the CLEO III Detector by : Alan Jay Magerkurth
Download or read book Measurement of Two Body B Meson Decays to Pions and Kaons with the CLEO III Detector written by Alan Jay Magerkurth and published by . This book was released on 2003 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Physics is Fun: Memoirs of a Life in Physics by : Richard Wilson
Download or read book Physics is Fun: Memoirs of a Life in Physics written by Richard Wilson and published by Richard Wilson. This book was released on 2011 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Two-body B Meson Decays by : Heather S. Krieg
Download or read book Two-body B Meson Decays written by Heather S. Krieg and published by . This book was released on 1999 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Observation of Two-body Rare B Decays Including Meson by : 呂榮祥
Download or read book Observation of Two-body Rare B Decays Including Meson written by 呂榮祥 and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis First Observation of Bottom-strange Mesons Decays Into Two Kaons by : Diego Tonelli
Download or read book First Observation of Bottom-strange Mesons Decays Into Two Kaons written by Diego Tonelli and published by . This book was released on 2009-12 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings Of The 29th International Conference On High Energy Physics: Ichep '98 (In 2 Volumes) by : Alan Astbury
Download or read book Proceedings Of The 29th International Conference On High Energy Physics: Ichep '98 (In 2 Volumes) written by Alan Astbury and published by World Scientific. This book was released on 1999-06-11 with total page 1899 pages. Available in PDF, EPUB and Kindle. Book excerpt: These proceedings consist of plenary rapporteur talks covering topics of major interest to the high energy physics community and parallel sessions papers which describe recent research results and future plans.
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 Measurements of Charmless Two-Body Charged B Decays with Neutral Pions and Kaons by :
Download or read book Measurements of Charmless Two-Body Charged B Decays with Neutral Pions and Kaons written by and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors present preliminary results of the analysis B[yields] h[pi][sup 0] and B[yields] hK[sup 0] decays (with h=[pi][sup[+-]], K[sup[+-]]) from a sample of approximately 60 million B[bar B] pairs collected by the BABAR detector at the PEP-II asymmetric-energy B Factory at SLAC. They find evidence for a signal in B[sup+][yields][pi][sup+][pi][sup 0], and they measure the branching fraction[Beta](B[sup+][yields][pi][sup+][pi][sup 0])= (4.1[sub -1.0][sup+1.1][+-] 0.8) x 10[sup -6].
Book Synopsis Observation of Matter-antimatter Asymmetry in the B° Meson System by : Shahram Rahatlou
Download or read book Observation of Matter-antimatter Asymmetry in the B° Meson System written by Shahram Rahatlou and published by . This book was released on 2002 with total page 524 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of Branching Fractions for Two-Body Charmless B Decays to Charged Pions and Kaons at BaBar by :
Download or read book Measurement of Branching Fractions for Two-Body Charmless B Decays to Charged Pions and Kaons at BaBar written by and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors present preliminary results of a search for charmless two-body B decays to charged pions and kaons using data collected by the BaBar detector at the Stanford Linear Accelerator Center's PEP-II Storage ring. In a sample of 8.8 million produced B anti-B pairs the authors measure the branching fractions beta(B° --> pipi−) = (9.3{sub -2.3-1.4}{sup +2.6+1.2}) x 10−6 and beta(B° --> Kpi−) = (12.5{sub -2.6-1.7}{sup +3.0+1.3}) x 10−6, where the first uncertainty is statistical and the second is systematic. For the decay B° --> K+K− they find no significant signal and set an upper limit of beta(B° --> K+K−)
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 Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1971 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis B Physics And Cp Violation: Bcp4 - Proceedings Of The International Workshop by : T Ohshima
Download or read book B Physics And Cp Violation: Bcp4 - Proceedings Of The International Workshop written by T Ohshima and published by World Scientific. This book was released on 2001-09-25 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offers the first strong evidence of the existence of CP violation in neutral B decays extracted from sophisticated B factories in the US and Japan. It also holds out the expectation of rare B decays and D, K physics in the near future. In addition, new physics beyond the Standard Model is described. Both experimental and theoretical points of view are given.
Download or read book BCP4 written by A. Ichiro Sanda and published by World Scientific. This book was released on 2001 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offers the first strong evidence of the existence of CP violation in neutral B decays extracted from sophisticated B factories in the US and Japan. It also holds out the expectation of rare B decays and D, K physics in the near future. In addition, new physics beyond the Standard Model is described. Both experimental and theoretical points of view are given.
Book Synopsis Energy and Mass in Relativity Theory by : Lev Borisovich Okun
Download or read book Energy and Mass in Relativity Theory written by Lev Borisovich Okun and published by World Scientific. This book was released on 2009 with total page 323 pages. Available in PDF, EPUB and Kindle. Book excerpt: Energy and Mass in Relativity Theory presents about 30 pedagogical papers published by the author over the last 20 years. They deal with concepts central to relativity theory: energy E, rest energy E0, momentum p, mass m, velocity v of particles of matter, including massless photons for which v = c. Other related subjects are also discussed. According to Einstein's equation E0 = mc2, a massive particle at rest contains rest energy which is partly liberated in the nuclear reactions in the stars and the Sun, as well as in nuclear reactors and bombs on the Earth. The mass entering Einstein's equation does not depend on velocity of a body. This concept of mass is used in the physics of elementary particles and is gradually prevailing in the modern physics textbooks. This is the first book in which Einstein's equation is explicitly compared with its popular though not correct counterpart E = mc2, according to which mass increases with velocity. The book will be of interest to researchers in theoretical, atomic and nuclear physics, to historians of science as well as to students and teachers interested in relativity theory.
Book Synopsis Observation of Exclusive B Decays to Final States Containing a Charmed Baryon by :
Download or read book Observation of Exclusive B Decays to Final States Containing a Charmed Baryon written by and published by . This book was released on 2003 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: Using data collected in the region of the?(4S) resonance with the CLEO-II detector, they report on the first observation of exclusive decays of the B meson to final states with a charmed baryon. They have measured the branching fractions?(B− →?{sub c}{bar p}?−) = (0.62{sub -0.20}{sup +0.23} ± 0.11 ± 0.10) x 10−3 and?({bar B}° →?{sub c}+{bar p}?+?−) = (1.33{sub -0.42}{sup +0.46} ± 0.31 ± 0.21) x 10−3. In addition, they report upper limits for final states of the form {bar B} →?{sub c}+{bar p}(n?) and?{sub c}+{bar p}(n?)?° where (n?) denotes up to four charged pions.
