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Author: Ming-Jer Wang
Publisher:
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Languages : en
Pages : 8
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Book Description
We have carried out three searches of pentaquarks at CDF. First, we will present the search for a neutral pentaquark {Theta}{sub c} which decays into D* and proton. This search has been performed using 240 pb{sup -1} data samples of a displaced-two-track trigger. Second, we will present the search for a charged pentaquark {Theta}{sup +} which decays into K{sub s}{sup 0} and proton. This search has been performed using data samples of a minimum bias trigger and a jet trigger. Third, we will present the search for a doubly-charged pentaquark which decays into {Xi} and {pi}. This search has been performed using 220 pb{sup -1} data samples of a displaced two-track trigger and a jet trigger.
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Category :
Languages : en
Pages :
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Abstract Not Provided.
Author: Ming-Jer Wang
Publisher:
ISBN:
Category :
Languages : en
Pages : 8
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Book Description
We have carried out three searches of pentaquarks at CDF. First, we will present the search for a neutral pentaquark {Theta}{sub c} which decays into D* and proton. This search has been performed using 240 pb{sup -1} data samples of a displaced-two-track trigger. Second, we will present the search for a charged pentaquark {Theta}{sup +} which decays into K{sub s}{sup 0} and proton. This search has been performed using data samples of a minimum bias trigger and a jet trigger. Third, we will present the search for a doubly-charged pentaquark which decays into {Xi} and {pi}. This search has been performed using 220 pb{sup -1} data samples of a displaced two-track trigger and a jet trigger.
Author: I. Kravchenko
Publisher:
ISBN:
Category :
Languages : en
Pages : 9
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The authors report results of the searches for pentaquark states in decays to pK{sub S}{sup 0}, {Xi}{sup -}{pi}{sup {+-}} and D{sup (*)}p performed at CDF using 250 pb{sup -1} sample of p{bar p} interactions at {radical}s of 1.96 TeV. No evidence for narrow resonances was found in either mode. In addition, they present measurements of properties of the recently discovered X(3872) particle.
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Languages : en
Pages :
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Abstract Not Provided.
Author: Atsushi Hosaka
Publisher: World Scientific
ISBN: 9814480355
Category : Science
Languages : en
Pages : 463
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Book Description
The papers collected in this book represent an exciting contribution to the growing body of experimental and theoretical research into exotic hadrons. The prime focus of the volume is the latest work on pentaquark baryons.The in-depth experimental reports cover both positive and negative evidence for the existence of various combinations of particles, and photo-electro production, hadronic production and high-energy processes are discussed in detail.Important theoretical areas of current interest are considered, including chiral solitons, constituent quarks, the QCD sum rule, lattice QCD, production reactions, and the determination of spin and parity. The volume features the work of two pioneering theorists, H Lipkin and D Diakonov, among the comprehensive coverage of the latest theoretical ideas in the field.The proceedings have been selected for coverage in:• Index to Scientific & Technical Proceedings® (ISTP® / ISI Proceedings)• Index to Scientific & Technical Proceedings (ISTP CDROM version / ISI Proceedings)• CC Proceedings — Engineering & Physical Sciences
Author: Fermilab
Publisher:
ISBN:
Category :
Languages : en
Pages : 9
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Book Description
Recently there has been revival of interest in exotic baryon spectroscopy triggered by experimental evidence for pentaquarks containing u, d, s and c-quarks. They report results of the searches for pentaquark states in decays to pK{sub S}{sup 0}, {Xi}{sup -} {pi}{sup {+-}} and D*{sup -} p performed at CDF detector using 220 pb{sup -1} sample of p{bar p} interactions at {radical}s of 1.96 TeV. No evidence for narrow resonances were found in either mode.
Author:
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Category :
Languages : en
Pages : 31
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Author:
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Category :
Languages : en
Pages : 4
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Since March 2001 a new period of CDF data taking (called Run II) began at the p{bar p} Tevatron collider. The upgrade of Collider Detector at Fermilab improved the tracking system: the vertexing, triggering and particle identification capabilities. This has allowed a further development of B physics, because the B{sub s} and?{sub b} are produced in hadronic collisions. Here measurements of the mass and lifetime of?{sub b} in two decay channels are presented. Using particle identification (PID) information from the time of flight and the dE/dx, CDF performed pentaquark searches for?,?32{sup --,0} and?{sub c}°, following the recent interest in exotic baryon spectroscopy.
Author:
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Languages : en
Pages :
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Author: Hesheng Chen
Publisher: World Scientific
ISBN: 9814481270
Category : Science
Languages : en
Pages : 1424
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Book Description
The 32nd International Conference on High Energy Physics belongs to the Rochester Conference Series, and is the most important international conference in 2004 on high energy physics. The proceedings provide a comprehensive review on the recent developments in experimental and theoretical particle physics. The latest results on Top, Higgs search, CP violation, neutrino mixing, pentaquarks, heavy quark mesons and baryons, search for new particles and new phenomena, String theory, Extra dimension, Black hole and Lattice calculation are discussed extensively. The topics covered include not only those of main interest to the high energy physics community, but also recent research and future plans. Contents: Neutrino Masses and MixingsQuark Matter and Heavy Ion CollisionsParticle Astrophysics and CosmologyElectroweak PhysicsQCD Hard InteractionsQCD Soft InteractionsComputational Quantum Field TheoryCP Violation, Rare Kaon Decay and CKMR&D for Future Accelerator and DetectorHadron Spectroscopy and ExoticsHeavy Quark Mesons and BaryonsBeyond the Standard ModelString Theory Readership: Experimental and theoretical physicists and graduate students in the fields of particle physics, nuclear physics, astrophysics and cosmology.Keywords:High Energy Physics;Particle Physics;Electroweak;QCD;Heavy Quark;Neutrino;Particle Astrophysics;Hadron Spectroscopy;CP Violation;Quark Matter;Future Accelerator
