Szczegóły publikacji
Opis bibliograficzny
Study of $B^{0}\to D^{*-}\pi^{+}\pi^{-}\pi^{+}$ and $B^{0}\to D^{*-}K^{+}\pi^{-}\pi^{+}$ decays / R. Aaij, [et al.], B. MURYN, [et al.], A. OBŁĄKOWSKA-MUCHA, [et al.], K. SENDEROWSKA, [et al.], T. SZUMLAK, [et al.] // Physical Review. D, Particles, fields, gravitation, and cosmology ; ISSN 1550-7998. — 2013 — vol. 87 iss. 9, s. 092001-1–092001-10. — Bibliogr. s. 092001-7
Autorzy (3000)
Dane bibliometryczne
| ID BaDAP | 75121 |
|---|---|
| Data dodania do BaDAP | 2013-09-17 |
| Tekst źródłowy | URL |
| DOI | 10.1103/PhysRevD.87.092001 |
| Rok publikacji | 2013 |
| Typ publikacji | artykuł w czasopiśmie |
| Otwarty dostęp | |
| Czasopismo/seria | Physical Review, D |
Abstract
Using proton-proton collision data collected by the LHCb experiment at root s = 7 TeV, corresponding to an integrated luminosity of 1.0 fb(-1), the ratio of branching fractions of the B-0 -> D*(-)pi(+)pi(-)pi(+) decay relative to the B-0 -> D*(-)pi(+) decay is measured to be B(B-0 -> D*(-)pi(+)pi(-)pi(+))/B(B-0 -> D*(-)pi(+)) = 2.64 +/- 0.4(stat) +/- 0.13(syst). The Cabibbo-suppressed decay B-0 -> D*K–(+)pi(-)pi(+) is observed for the first time, and the measured ratio of branching fractions is B(B-0 -> D*K–(+)pi(-)pi(+))/B(B-0 -> D*K–(+)pi(-)pi(+)) = (6.47 +/- 0.37(stat) +/- 0.35(syst)) x 10(-2). A search for orbital excitations of charm mesons contributing to the B-0 -> D*(-)pi(+)pi(-)pi(+) final state is also performed, and the first observation of the B-0 -> (D) over bar (1)(2420)(0)pi(+)pi(-) decay is reported with the ratio of branching fractions B(B-0 ->(D-1(2420)(0)-> D*(-)pi(+))pi(-)pi(+))/B(B-0 -> D*(-)pi(+)pi(-)pi(+)) = (2.04 +/- 0.42(stat) +/- 0.22(syst)) x 10(-2), where the numerator represents a product of the branching fractions B(B-0 -> (D) over bar (1)(2420)(0)pi(-)pi(+)) and B(D-1(2420)(0) -> D*(-)pi(+)).