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Gluonic Hadrons And Charmless B Decays
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Book Synopsis Gluonic Hadrons and Charmless B Decays by :
Download or read book Gluonic Hadrons and Charmless B Decays written by and published by . This book was released on 1997 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Hybrid charmonium with mass (approximately) 4 GeV could be produced via a c{anti c} color-octet component in b --> c{anti c}s. These states could be narrow and could have a significant branching ratio to light hadrons, perhaps enhanced by glueballs. Decays to gluonic hadrons could make a sizable contribution to B --> no charm decays. Experimental signatures and search strategies are discussed.
Book Synopsis Gluonic Hadrons and Charmless B Decays by : Frank Close
Download or read book Gluonic Hadrons and Charmless B Decays written by Frank Close and published by . This book was released on 1997 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hadronic Charmless B Decays at the SLD by : Per Lasse Reinertsen
Download or read book Hadronic Charmless B Decays at the SLD written by Per Lasse Reinertsen and published by . This book was released on 1999 with total page 510 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Charmless Hadronic B Decays in the Context of Flavor SU(3) Symmetry by : Denis A. Suprun
Download or read book Charmless Hadronic B Decays in the Context of Flavor SU(3) Symmetry written by Denis A. Suprun and published by . This book was released on 2004 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Studies of CP-Violation in Charmless Three-Body b-Hadron Decays by : Daniel O'Hanlon
Download or read book Studies of CP-Violation in Charmless Three-Body b-Hadron Decays written by Daniel O'Hanlon and published by Springer. This book was released on 2018-11-02 with total page 225 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book highlights two essential analyses of data collected during the LHCb experiment, based on the Large Hadron Collider at CERN. The first comprises the first observation and studies of matter-antimatter asymmetries in two three-body b-baryon decays, paving the way for more precise measurements of the relatively unknown decay properties of b-baryon decays. The second is an analysis of a charged B meson decay to three charged pions, where previously large matter-antimatter asymmetries were observed in a model-independent analysis. Here a model of the decay amplitude is constructed using the unitarity-conserving ‘K-matrix’ model for the scalar contributions, so as to gain an understanding of how the previously observed matter-antimatter asymmetries arise; further, the model’s construction yields the most precise and comprehensive study of this decay mode to date.
Book Synopsis Charmless Hadronic B Decays at Belle and BaBar by :
Download or read book Charmless Hadronic B Decays at Belle and BaBar written by and published by . This book was released on 2011 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: I report on recent measurements from the Belle and BABAR collaborations on the decay of the B meson to hadronic final states without a charm quark. The study of the branching fractions and angular distributions of B meson decays to hadronic final states without a charm quark probes the dynamics of both the weak and strong interactions, and plays an important role in understanding CP Violation (CPV) in the quark sector. CP Violation at the B factories is described graphically by a triangle with sides formed from the CKM matrix elements V{sub qd}V*{sub qb} (q = u, c, t) and internal angles [alpha], [beta] [gamma] (or [phi]2, [phi]1, [phi]3). Discrepancies in the measured values of the sides and angles could be an indication of New Physics beyond the Standard Model (SM) due to enhanced branching fractions or modified CP asymmetries. The experimental measurements of branching fractions, CP asymmetries, polarization and phases (both weak and strong) can be compared to theoretical models based on, for example, QCD factorization, SU(3) symmetry and Lattice QCD.
Book Synopsis Measurements of Charmless B-hadron Decays at CDF; First Evidence for the Annihilation $B^0_s \to \pi^+ \pi^-$ Decay Mode by :
Download or read book Measurements of Charmless B-hadron Decays at CDF; First Evidence for the Annihilation $B^0_s \to \pi^+ \pi^-$ Decay Mode written by and published by . This book was released on 2013 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work of thesis will investigate the heavy flavor sector, involving decays of particles containing the most massive quarks. In particular, we will study the bhadrons, that means particles containing b-quarks. The topic of this work is the measurements of B and CP asymmetries of two-body charmless decays of neutral b-hadrons, (B0 (s) → h+h' - and [Lambda]0 b →and ph -, where the h can be a pion or a kaon) collectively called B → h+h' -. Next sections describe the theoretical framework in which the b-hadrons are included. Firstly, it is necessary to introduce the CKM matrix describing the electroweak interactions between quarks and how the phenomenon of the CP violation manifests itself.
Book Synopsis A Search for Charmless Dihadron Decays of Neutral B-hadrons by : Shigeki Misawa
Download or read book A Search for Charmless Dihadron Decays of Neutral B-hadrons written by Shigeki Misawa and published by . This book was released on 1997 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Charmless B-hadrons Decays at CDF. by :
Download or read book Charmless B-hadrons Decays at CDF. written by and published by . This book was released on 2008 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: We present CDF results on the branching fractions and time-integrated direct CP asymmetries for Bd, Bs and Lb decay modes into pairs of charmless charged hadrons (pions, kaons and protons). The data-set for these measurements amounts to 1fb−1 of p{bar p} collisions at a center of mass energy 1.96TeV. We report on the first observation of the Bs->Kpi, Lb-ppi and Lb->pK decay modes and on the measurement of their branching fractions and direct CP asymmetries.
Book Synopsis Large Charmless Yield in B Decays and Inclusive B Decay Puzzles by :
Download or read book Large Charmless Yield in B Decays and Inclusive B Decay Puzzles written by and published by . This book was released on 1996 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent studies of inclusive $B$ decays, it has been suggested that either $B$ mesons decay much more copiously to final states with no open charm than currently assumed, or $B(D0̂ \to K-̂\pi+̂)$ has to be reduced significantly. This note takes the experimental $B(D0̂ \to K-̂\pi+̂)$ at its face value and estimates $B(b\to$ no open charm) using complementary methods: one accounts for the $c$ quark in $b\to c$ transitions, the other accounts for the $\bar c$ quark in $b\to c\bar c s$ transitions. Through cancellation of errors, the average gives our best estimate of $B(b\to$ no open charm), and the difference measures the consistency. The results of the methods are consistent with each other, strongly suggesting a much enhanced $B(b\to$ no open charm). This observation indicates that non-perturbative QCD effects are probably causing a sizable fraction of the $b\to c\bar cs$ transitions to be seen as charmless $b\to s$ processes, contrary to smaller traditional expectations. This mechanism has generally been overlooked and may explain the existing experimental data within the framework of the standard model. We then briefly discuss implications on baryon production governed by $b\to c\bar cs$ processes, rare hadronic $B$ decays and CP violation studies.
Book Synopsis A Search for Charmless Dihadron Decays of Neutral B-hadrons by :
Download or read book A Search for Charmless Dihadron Decays of Neutral B-hadrons written by and published by . This book was released on 1997 with total page 283 pages. Available in PDF, EPUB and Kindle. Book excerpt: A search for charmless dihadron decays of neutral b-hadrons was performed using data obtained from 800 GeV/c proton-gold interactions. The following upper limits on the b-hadron branching ratios (including charge conjugates) were obtained at the 90% confidence limit: Br(Bs 2!K+K- ) + rs x Br(Bd 2![pi]+[pi]- )
Book Synopsis Spectroscopy and Decay of B Hadrons at the Tevatron by :
Download or read book Spectroscopy and Decay of B Hadrons at the Tevatron written by and published by . This book was released on 2007 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors review recent results on heavy quark physics focusing on Run II measurements of B hadron spectroscopy and decay at the Tevatron. A wealth of new B physics measurements from CDF and D0 has been available. These include the spectroscopy of excited B states (B**, B**{sub s}) and the observation of the [Sigma]{sub b} baryon. The discussion of the decays of B hadrons and measurements of branching fractions focuses on charmless two-body decays of B 2!hh−. They report several new B{sub s}° and [Lambda]{sub b}° decay channels.
Book Synopsis Updated Measurements of Hadronic B Decays at CDF. by :
Download or read book Updated Measurements of Hadronic B Decays at CDF. written by and published by . This book was released on 2012 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: The CDF experiment at the Tevatron p{bar p} collider established that extensive and detailed exploration of the b-quark dynamics is possible in hadron collisions, with results competitive and supplementary to those from ee− colliders. This provides a rich, and highly rewarding program that has currently reached full maturity. In the following I report some recent results on hadronic decays: the evidence for the charmless annihilation decay mode B{sub s}° →?+?−, and the first reconstruction in hadron collisions of the suppressed decays B− → D(→ K+?°)K− and B− → D(→ K+?−)?−.
Book Synopsis New Physics In B Decays by : Sheldon Stone
Download or read book New Physics In B Decays written by Sheldon Stone and published by World Scientific. This book was released on 2022-04-07 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Standard Model (SM) of particle physics has withstood thus far every attempt by experimentalists to show that it does not describe data. We discuss the SM in some detail, focusing on the mechanism of fermion mixing, which represents one of its most intriguing aspects. We discuss how this mechanism can be tested in b-quark decays, and how b decays can be used to extract information on physics beyond the SM. We review experimental techniques in b physics, focusing on recent results and highlighting future prospects. Particular attention is devoted to recent results from b decays into a hadron, a lepton and an anti-lepton, that show discrepancies with the SM predictions — the so-called B-physics anomalies — whose statistical significance has been increasing steadily. We discuss these experiments in a detailed manner, and also provide theoretical interpretation of these results in terms of physics beyond the SM.
Book Synopsis Hadronic B Decays to Charmless Final States and to J/psi K* by :
Download or read book Hadronic B Decays to Charmless Final States and to J/psi K* 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 Charmless Hadronic B Decays at BaBar by :
Download or read book Charmless Hadronic B Decays at BaBar written by and published by . This book was released on 2001 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: Using 22.7M B{bar B} events collected with the BABAR detector at SLAC, we present preliminary measurements of the branching fractions for charmless hadronic decays of B mesons into two-body, quasi two-body and three-body final states with pions, kaons, and? and a0 resonances. In the search for exclusive B° →??−?°, we measure?(B° →?{sup ±}(770)?{sup {-+}}) = (28.9 ± 5.4 ± 4.3) x 10−6, together with the relative asymmetry?{sub phys} = -0.04 ± 0.18 {+-} 0.02. We also set the upper limits on B° →?°(770)?°, non-resonant B° →?+?−?°, B° → a0{sup {+-}}(→??{sup {+-}})?{sup {-+}} and B° → K°{bar K}°.
Book Synopsis Study of the Rare Charmless Hadronic B Meson Decays by : Ali Anjomshoaa
Download or read book Study of the Rare Charmless Hadronic B Meson Decays written by Ali Anjomshoaa and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
