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Measurements of the properties of Λ_{c}(2595), Λ_{c}(2625), Σ_{c}(2455), and Σ_{c}(2520) baryons

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Aaltonen, T., Álvarez González, B., Amerio, S., Amidei, D., Anastassov, A., Annovi, A., Antos, J., Apollinari, G., Appel, J., Apresyan, A. et al.
(2011) Measurements of the properties of Λ_{c}(2595), Λ_{c}(2625), Σ_{c}(2455), and Σ_{c}(2520) baryons. Physical Review D, Vol. 84 (No. 1). doi:10.1103/PhysRevD.84.012003

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Official URL: http://dx.doi.org/10.1103/PhysRevD.84.012003

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Abstract

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

Item Type: Journal Article
Divisions: Faculty of Science > Physics
Journal or Publication Title: Physical Review D
Publisher: American Physical Society
ISSN: 1550-7998
Official Date: 2011
Dates:
DateEvent
2011Published
Volume: Vol. 84
Number: No. 1
DOI: 10.1103/PhysRevD.84.012003
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access

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