Using data from the FOCUS experiment (FNAL-E831), we study the decay of Λc+ baryons into final states containing a Λ hyperon. The branching fractions of Λc+ into Λπ+, Λπ+π+π - and ΛK̄0K+ relative to that into pK-π+ are measured to be 0.217 ± 0.013 ± 0.020, 0.508 ± 0.024 ± 0.024 and 0.142 ± 0.018 ± 0.022, respectively. We also report new measurements of Γ(Λ c+→Σ0π+)/ ΓΛc+→Λπ+) = 1.09 ± 0.11 ± 0.19, (ΓΛc +→Σ0π+π+π -)/Γ(Λc+→Λπ +π+π-) = 0.26 ± 0.06 ± 0.09 and Γ(Λc+→Ξ(1690) 0(ΛK̄0)K+/Γ(Λ c+→ΛK̄0K+) = 0.32 ± 0.10 ± 0.04. Further, an analysis of the subresonant structure for the Λc+ → Λπ+π +π- decay mode is presented.

Link, J., Yager, P., Anjos, J., Bediaga, I., Castromonte, C., Machado, A., et al. (2005). Study of Λc+ Cabibbo favored decays containing a Λ baryon in the final state. PHYSICS LETTERS. SECTION B, 624(1-2), 22-30 [10.1016/j.physletb.2005.08.014].

Study of Λc+ Cabibbo favored decays containing a Λ baryon in the final state

Gianini G.;
2005

Abstract

Using data from the FOCUS experiment (FNAL-E831), we study the decay of Λc+ baryons into final states containing a Λ hyperon. The branching fractions of Λc+ into Λπ+, Λπ+π+π - and ΛK̄0K+ relative to that into pK-π+ are measured to be 0.217 ± 0.013 ± 0.020, 0.508 ± 0.024 ± 0.024 and 0.142 ± 0.018 ± 0.022, respectively. We also report new measurements of Γ(Λ c+→Σ0π+)/ ΓΛc+→Λπ+) = 1.09 ± 0.11 ± 0.19, (ΓΛc +→Σ0π+π+π -)/Γ(Λc+→Λπ +π+π-) = 0.26 ± 0.06 ± 0.09 and Γ(Λc+→Ξ(1690) 0(ΛK̄0)K+/Γ(Λ c+→ΛK̄0K+) = 0.32 ± 0.10 ± 0.04. Further, an analysis of the subresonant structure for the Λc+ → Λπ+π +π- decay mode is presented.
Articolo in rivista - Articolo scientifico
Deterioration; Elementary Particles; Octets
English
2005
624
1-2
22
30
none
Link, J., Yager, P., Anjos, J., Bediaga, I., Castromonte, C., Machado, A., et al. (2005). Study of Λc+ Cabibbo favored decays containing a Λ baryon in the final state. PHYSICS LETTERS. SECTION B, 624(1-2), 22-30 [10.1016/j.physletb.2005.08.014].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10281/455452
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