Measurements of the branching fractions of B0s → K*±K∓ and B0s → K*± π∓ decays are performed using a data sample corresponding to 1.0 fb^−1 of proton-proton collision data collected with the LHCb detector at a centre-of-mass energy of 7 TeV, where the K*± mesons are reconstructed in the K0S π± final state. The first observation of the B0s → K*± K∓ decay and the first evidence for the B0s → K*− π+ decay are reported with branching fractions B(B0s → K*± K∓) = (12.7 ± 1.9 ± 1.9) × 10^−6, B(B0s → K*− π+) = (3.3 ± 1.1 ± 0.5) × 10^−6, where the first uncertainties are statistical and the second are systematic. In addition, an upper limit of B(B0 → K*± K∓) < 0.4 (0.5) × 10^−6 is set at 90% (95%) confidence level.

R. Aaij, B. Adeva, M. Adinolfi, A. Affolder, Z. Ajaltouni, S. Akar, et al. (2014). Observation of B0s → K*± K∓ and Evidence for B0s → K*− π+ Decays. NEW JOURNAL OF PHYSICS, 16(12), 1-18 [10.1088/1367-2630/16/12/123001].

Observation of B0s → K*± K∓ and Evidence for B0s → K*− π+ Decays

CARBONE, ANGELO;GALLI, DOMENICO;MOGGI, NICCOLO';MUSSINI, MANUEL;PATRIGNANI, CLAUDIA;PERAZZINI, STEFANO;VAGNONI, VINCENZO MARIA;ZANGOLI, MARIA;
2014

Abstract

Measurements of the branching fractions of B0s → K*±K∓ and B0s → K*± π∓ decays are performed using a data sample corresponding to 1.0 fb^−1 of proton-proton collision data collected with the LHCb detector at a centre-of-mass energy of 7 TeV, where the K*± mesons are reconstructed in the K0S π± final state. The first observation of the B0s → K*± K∓ decay and the first evidence for the B0s → K*− π+ decay are reported with branching fractions B(B0s → K*± K∓) = (12.7 ± 1.9 ± 1.9) × 10^−6, B(B0s → K*− π+) = (3.3 ± 1.1 ± 0.5) × 10^−6, where the first uncertainties are statistical and the second are systematic. In addition, an upper limit of B(B0 → K*± K∓) < 0.4 (0.5) × 10^−6 is set at 90% (95%) confidence level.
2014
R. Aaij, B. Adeva, M. Adinolfi, A. Affolder, Z. Ajaltouni, S. Akar, et al. (2014). Observation of B0s → K*± K∓ and Evidence for B0s → K*− π+ Decays. NEW JOURNAL OF PHYSICS, 16(12), 1-18 [10.1088/1367-2630/16/12/123001].
R. Aaij; B. Adeva; M. Adinolfi; A. Affolder; Z. Ajaltouni; S. Akar; J. Albrecht; F. Alessio; M. Alexander; S. Ali; G. Alkhazov; P. Alvarez Cartelle; A...espandi
File in questo prodotto:
File Dimensione Formato  
2014-AR-60-Observ_of_B0s_to_Kstarpm_Kmp_and_Evidence_for-NJP.pdf

accesso aperto

Tipo: Versione (PDF) editoriale
Licenza: Licenza per Accesso Aperto. Creative Commons Attribuzione (CCBY)
Dimensione 639.81 kB
Formato Adobe PDF
639.81 kB Adobe PDF Visualizza/Apri

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/11585/391545
Citazioni
  • ???jsp.display-item.citation.pmc??? ND
  • Scopus 14
  • ???jsp.display-item.citation.isi??? 14
social impact