We report an analysis of the Lambda(0)(b) -> Lambda(+)(c)pi(-)pi(+)pi(-) decay in a data sample collected by the CDF II detector at the Fermilab Tevatron corresponding to 2.4 fb(-1) of integrated luminosity. We reconstruct the currently largest samples of the decay modes Lambda(0)(b) -> Lambda(c)(2595)(+)pi(-) (with Lambda(c)(2595)(+) -> Lambda(+)(c)pi(+)pi(-)), Lambda(0)(b) -> Lambda(c)(2625)(+)pi(-) (with Lambda(c)(2625)(+) -> Lambda(+)(c)pi(+)pi(-)), Lambda(0)(b) -> Sigma(c)(2455)(++)pi(-)pi(-) (with Sigma(c)(2455)(++) -> Lambda(+)(c)pi(+)), and Lambda(0)(b) ->Sigma(c)(2455)(0)pi(+)pi(-) (with Sigma(c)(2455)(0) -> Lambda(+)(c)pi(-)) and measure the branching fractions to the Lambda(0)(b) -> Lambda(+)(c)pi(-) branching fraction. We measure the ratio B(Lambda(0)(b) -> Lambda(+)(c)pi(-)pi(+)pi(-))/B(Lambda(0)(b) -> Lambda(+)(c)pi(-)) = 3.04 +/- 0.33(stat)(-0.55)(+0.70)(syst) which is used to derive B(Lambda(0)(b) -> Lambda(+)(c)pi(-)pi(+)pi(-)) = (26.8(-11.2)(+11.9)) x 10(-3).

T., A., B., Á.G., S., A., D., A., A., A., A., A., et al. (2012). Measurement of the branching fraction B(Lambda(0)(b) -> Lambda(+)(c)pi(-)pi(+)pi(-)) at CDF. PHYSICAL REVIEW. D. PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY, 85(3) [10.1103/PhysRevD.85.032003].

Measurement of the branching fraction B(Lambda(0)(b) -> Lambda(+)(c)pi(-)pi(+)pi(-)) at CDF

MAESTRO, PAOLO;SCRIBANO, ANGELO;
2012-01-01

Abstract

We report an analysis of the Lambda(0)(b) -> Lambda(+)(c)pi(-)pi(+)pi(-) decay in a data sample collected by the CDF II detector at the Fermilab Tevatron corresponding to 2.4 fb(-1) of integrated luminosity. We reconstruct the currently largest samples of the decay modes Lambda(0)(b) -> Lambda(c)(2595)(+)pi(-) (with Lambda(c)(2595)(+) -> Lambda(+)(c)pi(+)pi(-)), Lambda(0)(b) -> Lambda(c)(2625)(+)pi(-) (with Lambda(c)(2625)(+) -> Lambda(+)(c)pi(+)pi(-)), Lambda(0)(b) -> Sigma(c)(2455)(++)pi(-)pi(-) (with Sigma(c)(2455)(++) -> Lambda(+)(c)pi(+)), and Lambda(0)(b) ->Sigma(c)(2455)(0)pi(+)pi(-) (with Sigma(c)(2455)(0) -> Lambda(+)(c)pi(-)) and measure the branching fractions to the Lambda(0)(b) -> Lambda(+)(c)pi(-) branching fraction. We measure the ratio B(Lambda(0)(b) -> Lambda(+)(c)pi(-)pi(+)pi(-))/B(Lambda(0)(b) -> Lambda(+)(c)pi(-)) = 3.04 +/- 0.33(stat)(-0.55)(+0.70)(syst) which is used to derive B(Lambda(0)(b) -> Lambda(+)(c)pi(-)pi(+)pi(-)) = (26.8(-11.2)(+11.9)) x 10(-3).
2012
T., A., B., Á.G., S., A., D., A., A., A., A., A., et al. (2012). Measurement of the branching fraction B(Lambda(0)(b) -> Lambda(+)(c)pi(-)pi(+)pi(-)) at CDF. PHYSICAL REVIEW. D. PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY, 85(3) [10.1103/PhysRevD.85.032003].
File in questo prodotto:
File Dimensione Formato  
PhysRevD85_032003_2012.pdf

non disponibili

Tipologia: Post-print
Licenza: NON PUBBLICO - Accesso privato/ristretto
Dimensione 758.55 kB
Formato Adobe PDF
758.55 kB Adobe PDF   Visualizza/Apri   Richiedi una copia

I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11365/20591
 Attenzione

Attenzione! I dati visualizzati non sono stati sottoposti a validazione da parte dell'ateneo