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A Study Of Excited Charm Strange Baryons Withevidence For New Baryons Xi C3055 And Xi C3123
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Book Synopsis A Study of Excited Charm-Strange Baryons WithEvidence for New Baryons Xi_c(3055)+ and Xi_c(3123) by :
Download or read book A Study of Excited Charm-Strange Baryons WithEvidence for New Baryons Xi_c(3055)+ and Xi_c(3123) written by and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We present a study of excited charm-strange baryon states produced in ee− annihilations at or near a center-of-mass energy of 10.58 GeV, in a data sample with an integrated luminosity of 384 fb−1 recorded with the BABAR detector at the PEP-II e+e storage rings at the Stanford Linear Accelerator Center. We study strong decays of charm-strange baryons to?{sub c}+K{sub S}°,?{sub c}+K−,?{sub c}+K−?+,?{sub c}+K{sub S}°?−,?{sub c}+K{sub S}°?−?+,?{sub c}+K−?−?+. This study confirms the existence of the states?{sub c}(2980)+,?{sub c}(3077)+, and?{sub c}(3077)−, with a more accurate determination of the?{sub c}(2980)+ mass and width. We also present evidence for two new states,?{sub c}(3055)+ and?{sub c}(3123)+, decaying through the intermediate resonant modes?{sub c}(2455){sup ++}K− and?{sub c}(2520){sup ++}K−, respectively. For each of these baryons, we measure the yield in each final state, determine the statistical significance, and calculate the product of the production cross-section and branching fractions. We also measure the masses and widths of these excited charm-strange baryons.
Book Synopsis A Study of Double-Charm and Charm-Strange Baryons InElectron-Positron Annihilations by :
Download or read book A Study of Double-Charm and Charm-Strange Baryons InElectron-Positron Annihilations written by and published by . This book was released on 2007 with total page 161 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this dissertation I describe a study of double-charm and charm-strange baryons based on data collected with the BABAR Detector at the Stanford Linear Accelerator Center. In this study I search for new baryons and make precise measurements of their properties and decay modes. I seek to verify and expand upon double-charm and charm-strange baryon observations made by other experiments. The BABAR Detector is used to measure subatomic particles that are produced at the PEP-II storage rings. I analyze approximately 300 million e+e- → c{bar c} events in a search for the production of double-charm baryons. I search for the double-charm baryons?{sub cc} (containing the quarks ccd) and?{sup ++}{sub cc} (ccu) in decays to?+{sub c}K−?+ and?+{sub c}K−?+?+, respectively. No statistically significant signals for their production are found, and upper limits on their production are determined. Statistically significant signals for excited charm-strange baryons are observed with my analysis of approximately 500 million e+e- → c{bar c} events. The charged charm-strange baryons?{sub c}(2970)+,?{sub c}(3055)+,?{sub c}(3123)+ are found in decays to?+{sub c}K−?+, the same decay mode used in the?+{sub cc} search. The neutral charm-strange baryon?{sub c}(3077)° is observed in decays to?+{sub c}K?−. I also search for excited charm-strange baryon decays to?+{sub c}K8,?+{sub c}K−,?+{sub c}K8?−?+, and?+{sub c}K−?−?+. No significant charm-strange baryon signals a f h these decay modes. For each excited charm-strange baryon state that I observe, I measure its mass, natural width (lifetime), and production rate. The properties of these excited charm-strange baryons and their decay modes provide constraints for phenomenological models of quark interactions through quantum chromodynamics. My discovery of the two new charm-strange baryons?{sub c}(3055)+ and?{sub c}(3123)+ influences our theoretical understanding of charm-strange baryon states.
Book Synopsis A Study of Double-charm and Charm-strange Baryons in Electron-positron Annihilations by : Adam Jacob Edwards
Download or read book A Study of Double-charm and Charm-strange Baryons in Electron-positron Annihilations written by Adam Jacob Edwards and published by . This book was released on 2007 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Observation of Charmed Strange [omega]0/c Baryon in E+e- Collisions and First Observation of Charmed Strange Baryons [xi]+'/c (c{s, U}) and [xi]0'/c (c{s, D}) by : Syed Basit Athar
Download or read book Observation of Charmed Strange [omega]0/c Baryon in E+e- Collisions and First Observation of Charmed Strange Baryons [xi]+'/c (c{s, U}) and [xi]0'/c (c{s, D}) written by Syed Basit Athar and published by . This book was released on 2001 with total page 191 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Production of the Charmed Strange Baryon. Xi by :
Download or read book Production of the Charmed Strange Baryon. Xi written by and published by . This book was released on 1986 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We report on the observation of a narrow resonance at a mass of 2450 MeV/c2 in the final states .lambda. K−.pi./sup +/.pi./sup +/ and .sigma.°K−.pi./sup +/.pi./sup +/. The mass, width, lifetime, and decay modes support the interpretation of a hadronically produced charm-strange baryon, the .xi./sub c//sup +/. We present our preliminary measurements of the lifetime, and the .lambda., x/sub feynman, / and p/sub t/ dependence of the state.
Download or read book الروح الايماني في الشعر العربي written by and published by . This book was released on 1997 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book SELEX written by and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: SELEX (Fermilab Experiment 781) [1] employs beams of [Sigma]−, [pi]−, and protons at around 600 GeV/c to study production and decay properties of charmed baryons. It took data in the 1996/7 fixed target run and is currently analyzing those data. Here they focus on recently obtained results concerning the [Omega]{sub c}° lifetime and the doubly-charmed baryons [Xi]{sub cc} and [Xi]{sub cc}{sup ++}.
Book Synopsis Study of Charm Baryons with the BaBar Experiment by : Brian Aa Petersen
Download or read book Study of Charm Baryons with the BaBar Experiment written by Brian Aa Petersen and published by . This book was released on 2006 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors report on several studies of charm baryon production and decays by the BABAR collaboration. They confirm previous observations of the {Xi}'{sub c}{sup 0/+}, {Xi}{sub c}(2980){sup +} and {Xi}{sub c}(3077){sup +} baryons, measure branching ratios for Cabibbo-suppressed {Lambda}{sub c}{sup +} decays and use baryon decays to study the properties of the light-quark baryons, {Omega}{sup -} and {Xi}(1690){sup 0}.
Book Synopsis Baryons '98 - Proceedings Of The 8th International Conference On The Structure Of Baryons by : Dietmar W Menze
Download or read book Baryons '98 - Proceedings Of The 8th International Conference On The Structure Of Baryons written by Dietmar W Menze and published by World Scientific. This book was released on 1999-06-18 with total page 894 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume encompasses current issues in the physics of baryons, including their spectroscopy and quark-gluon substructure, and investigations with electroweak and strong interacting probes. The topics covered are: Baryon and Meson Spectroscopy, Chiral Physics, Heavy Quarks, Deep Inelastic Scattering, Form Factors and Exclusive Processes, Hadron-Nucleon Interaction, Hadrons in Nuclear Medium, and Special Topics in the First and Second Resonance, as well as a special part on the current status of neutrino physics. Each topic begins with an Introduction and Overview so as to make the more specialized papers readily accessible to non-experts.
Book Synopsis A Study of Charm Baryons Containing a Lambda Baryon in the Final State by : Joseph Alexander Swiatek
Download or read book A Study of Charm Baryons Containing a Lambda Baryon in the Final State written by Joseph Alexander Swiatek and published by . This book was released on 1995 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Baryons 2002 written by Carl Carlson and published by World Scientific. This book was released on 2003 with total page 712 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book deals with the latest developments in the area of three-quark systems. Emphasis is given to the discussion of new experimental results in the areas of form factors, unpolarized and polarized structure functions, and baryon structure and spectroscopy. Of particular interest are the new theoretical developments in the area of generalized parton distributions and lattice quantum chromodynamics.
Download or read book Baryons '95 written by Benjamin F. Gibson and published by World Scientific. This book was released on 1996 with total page 614 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Baryons '92 - International Conference On The Structure Of Baryons And Related Mesons by : Moshe Gai
Download or read book Baryons '92 - International Conference On The Structure Of Baryons And Related Mesons written by Moshe Gai and published by World Scientific. This book was released on 1993-03-24 with total page 506 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers major themes in the spectroscopy of baryons, some light mesons, and involves some limited discussion of baryons in nuclei. A comprehensive review of theoretical models is included. All currently operating accelerator facilities and future facilities of the 1990s are reviewed, with experimental programs discussed in detail.
Book Synopsis Excited Baryons 1988 by : Gary Adams
Download or read book Excited Baryons 1988 written by Gary Adams and published by . This book was released on 1989 with total page 592 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Study of Excited Xi Baryons in Anti-Proton Proton Collisions with the PANDA Detector by : Jennifer Ingrid Pütz
Download or read book Study of Excited Xi Baryons in Anti-Proton Proton Collisions with the PANDA Detector written by Jennifer Ingrid Pütz and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Observation of Several New Charmed-strange Baryon States at CESR-CLEO II by : Akhtar H. Mahmood
Download or read book Observation of Several New Charmed-strange Baryon States at CESR-CLEO II written by Akhtar H. Mahmood and published by . This book was released on 1998 with total page 501 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Charm Baryon Studies at BaBar by : V. Ziegler
Download or read book Charm Baryon Studies at BaBar written by V. Ziegler and published by . This book was released on 2006 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors present a precision measurement of the mass of the {Lambda}{sub c}{sup +} and studies of the production and decay of the {Omega}{sub c}{sup 0} and {Xi}{sub c}{sup 0} charm baryons using data collected by the BABAR experiment. To keep the systematic uncertainty as low as possible, the {Lambda}{sub c}{sup +} mass measurement is performed using the low Q-value decays, {Lambda}{sub c}{sup +} {yields} {Lambda}{sup 0} K{sub S}{sup 0}K{sup +} and {Lambda}{sub c}{sup +} {yields} {Sigma}{sup 0} K{sub S}{sup 0}K{sup +}. Several hadronic final states involving an {Omega}{sup -} and a {Xi}{sup -} hyperon are analyzed to reconstruct the {Xi}{sub c}{sup 0} and the {Omega}{sub c}{sup 0}.
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