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Measurements of the properties of Lambda_c (2595), Lambda_c (2625), Sigma_c (2455) and Sigma_c (2520) baryons

Abstract: We report measurements of the resonance properties of ?c(2595)+ and ?c(2625)+ baryons in their decays to ?+c?+?? as well as ?c(2455)++,0 and ?c(2520)++,0 baryons in their decays to ?+c?± final states. These measurements are performed using data corresponding to 5.2??fb?1 of integrated luminosity from p¯p 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 ?c states, and significantly smaller uncertainties than the world averages for excited ?+c states.

Authorship: Aaltonen T., Ãlvarez González B., Amerio S., Amidei D., Anastassov A., Annovi A., Antos J., Apollinari G., Appel J.A., Apresyan A., Arisawa T., Artikov A., Asaadi J., Ashmanskas W., Auerbach B., Aurisano A., Azfar F., Badgett W., Barbaro-Galtieri A., Barnes V.E., Barnett B.A., Barria P., Bartos P., Bauce M., Bauer G., Bedeschi F., Beecher D., Behari S., Bellettini G., Bellinger J., Benjamin D., Beretvas A., Bhatti A., Binkley M.,

Fuente: Physical Review D - Particles, Fields, Gravitation and Cosmology, 2011, 84(1), 012003

Publisher: American Physical Society

Publication date: 01/07/2011

No. of pages: 17

Publication type: Article

DOI: 10.1103/PhysRevD.84.012003

ISSN: 1550-7998,1550-2368,2470-0010,2470-0029

Publication Url: https://doi.org/10.1103/PhysRevD.84.012003

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