Measurements Of The Properties Of Lambda C 2595 Lambda C 2625 Sigma C 2455 And Sigma C 2520 Baryons

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Measurements Of The Properties Of Lambda C 2595 Lambda C 2625 Sigma C 2455 And Sigma C 2520 Baryons

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Author :
language : en
Publisher:
Release Date : 2011

Measurements Of The Properties Of Lambda C 2595 Lambda C 2625 Sigma C 2455 And Sigma C 2520 Baryons written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.

We report measurements of the resonance properties of [Lambda]c(2595)+ and [Lambda]c(2595)+ baryons in their decays to [Lambda]c+[pi]+[pi]- as well as [Sigma]c(2455)++,0 and [Sigma]c(2455)++,0 baryons in their decays to [Lambda]c+[pi]± final states. These measurements are performed using data corresponding to 5.2 fb-1 of integrated luminosity from pp̄ collisions at √s = 1.96 TeV, collected with the CDF II detector at the Fermilab Tevatron. Exploiting the largest available charmed baryon sample, we measure masses and decay widths with uncertainties comparable to the world averages for [Sigma]c states, and significantly smaller uncertainties than the world averages for excited [Lambda]c+ states.

Measurement Of Inclusive Production Of Lambda C And Sigma C Baryons In B Decays

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Author : Frank Reiner Wappler
language : en
Publisher:
Release Date : 2000

Measurement Of Inclusive Production Of Lambda C And Sigma C Baryons In B Decays written by Frank Reiner Wappler and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Baryons categories.

Observation Of Two Excited Charmed Baryons Decaying Into Lambda C Pi

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Author :
language : en
Publisher:
Release Date : 2003

Observation Of Two Excited Charmed Baryons Decaying Into Lambda C Pi written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with categories.

Using data recorded by the CLEO-II detector at CESR, we report evidence of a pair of excited charmed baryons, one decaying into[Lambda][sub c][sup+][pi][sup+] and the other into[Lambda][sub c][sup+][pi][sup -]. The doubly charged state has a measured mass difference M([Lambda][sub c][sup+][pi][sup+]) - M([Lambda][sub c][sup+]) of 234.5[+-] 1.1[+-] 0.8 MeV and a width of 17.9[sub -3.2][sup+3.8][+-] 4.0 MeV, and the neutral state has a measured mass difference M([Lambda][sub c][sup+][pi][sup -]) - M([Lambda][sub c][sup+]) of 232.6[+-] 1.0[+-] 0.8 MeV and a width of 13.0[sub -3.0][sup+3.7][+-] 4.0 MeV. We identify these states as[Sigma]*[sub c][sup++] and[Sigma]*[sub c][sup 0], the spin 3/2[sup+] excitations of the[Sigma][sub c] baryons.

Results On Charm Baryon Spectroscopy From Tevatron

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Author :
language : en
Publisher:
Release Date : 2011

Results On Charm Baryon Spectroscopy From Tevatron written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.

Due to an excellent mass resolution and a large amount of available data, the CDF experiment, located at the Tevatron proton-antiproton accelerator, allows the precise measurement of spectroscopic properties, like mass and decay width, of a variety of states. This was exploited to examine the first orbital excitations of the?{sub c} baryon, the resonances?{sub c}(2595) and?{sub c}(2625), in the decay channel?{sub c}?+?−, as well as the?{sub c} spin excitations?{sub c}(2455) and?{sub c}(2520) in its decays to?{sub c}+?− and?{sub c}+?− final states in a data sample corresponding to an integrated luminosity of 5.2 fb−1. We present measurements of the mass differences with respect to the?{sub c} and the decay widths of these states, using significantly higher statistics than previous experiments.

Measurement Of Sigma Lambda B 0

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Author :
language : en
Publisher:
Release Date : 2006

Measurement Of Sigma Lambda B 0 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.

The authors present the first observation of the baryon decay?{sub b}° →?{sub c}?− followed by?{sub c}+ → pK−?+ in 106 pb−1 p{bar p} collisions at √s = 1.96 TeV in the CDF experiment. IN order to reduce systematic error, the measured rate for?{sub b}° decay is normalized to the kinematically similar meson decay {bar B}° → D+?− followed by D+ →?+K−?+. They report the ratio of production cross sections times the ratio of branching fractions for the momentum region integrated above p{sub T}> 6 GeV/c and pseudorapidity range.

Mass And Width Measurements Of Sigma Subscript C Baryons

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Author : Eric W. Vaandering
language : en
Publisher:
Release Date : 2000

Mass And Width Measurements Of Sigma Subscript C Baryons written by Eric W. Vaandering and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Baryons categories.

A Precision Measurement Of The Lambda C Baryon Mass

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Author : J. C. Chen
language : en
Publisher:
Release Date : 2005

A Precision Measurement Of The Lambda C Baryon Mass written by J. C. Chen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with categories.

The {Lambda}{sub c}{sup +} baryon mass is measured using {Lambda}{sub c}{sup +} {yields} {Lambda}K{sub S}{sup 0}K{sup +} and {Lambda}{sub c}{sup +} {yields} {Sigma}{sup 0}K{sub S}{sup 0}K{sup +} decays reconstructed in 232 fb{sup -1} of data collected with the BABAR detector at the PEP-II asymmetric-energy e{sup +}e{sup -} storage ring. The {Lambda}{sub c}{sup +} mass is measured to be 2286.46 {+-} 0.14 MeV/c{sup 2}. The dominant systematic uncertainties arise from the amount of material in the tracking volume and from the magnetic field strength.

Decay Properties Of The Charm Baryon Lambda Subscript C

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Author : Eric James Mannel
language : en
Publisher:
Release Date : 1991

Decay Properties Of The Charm Baryon Lambda Subscript C written by Eric James Mannel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with categories.

Charm Baryon Studies At Babar

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Author : V. Ziegler
language : en
Publisher:
Release Date : 2006

Charm Baryon Studies At Babar written by V. Ziegler and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.

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}.

Charm Baryons

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Author :
language : en
Publisher:
Release Date : 1980

Charm Baryons written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with categories.

The production and decay of charm baryons as observed in bubble chambers and initiated, as it happens, by neutrinos are reviewed. In particular, the experimental data with respect to the .lambda./sub c/, sigma/sub c//sup + +/, and sigma/sub c/ charm baryons are discussed. 8 figures, 2 tables.