We search for B-0 meson decays into two-body combinations of K-0, eta, eta('), and phi mesons in 324x10(6) B (B) over bar pairs collected with the BABAR detector at the PEP-II asymmetric-energy e(+)e(-) collider at SLAC. We measure the following branching fractions (upper limits at 90% confidence level) in units of 10(-6): B(B-0 ->eta K-0)=1.8(-0.6)(+0.7)+/- 0.1(< 2.9), B(B-0 ->eta eta)=1.1(-0.4)(+0.5)+/- 0.1(< 1.8), B(B-0 ->eta phi)=0.1 +/- 0.2 +/- 0.1(< 0.6), B(B-0 ->eta(')phi)=0.2(-0.3)(+0.4)+/- 0.1(< 1.0), and B(B-0 ->eta(')eta('))=1.0(-0.6)(+0.8)+/- 0.1(< 2.4), where the first error is statistical and the second systematic.

Searches for B-0 decays to eta K-0, eta eta, eta 'eta ', eta phi, and eta 'phi

PALANO, Antimo;PAPPAGALLO, MARCO IGNAZIO;POMPILI, ALEXIS
2006-01-01

Abstract

We search for B-0 meson decays into two-body combinations of K-0, eta, eta('), and phi mesons in 324x10(6) B (B) over bar pairs collected with the BABAR detector at the PEP-II asymmetric-energy e(+)e(-) collider at SLAC. We measure the following branching fractions (upper limits at 90% confidence level) in units of 10(-6): B(B-0 ->eta K-0)=1.8(-0.6)(+0.7)+/- 0.1(< 2.9), B(B-0 ->eta eta)=1.1(-0.4)(+0.5)+/- 0.1(< 1.8), B(B-0 ->eta phi)=0.1 +/- 0.2 +/- 0.1(< 0.6), B(B-0 ->eta(')phi)=0.2(-0.3)(+0.4)+/- 0.1(< 1.0), and B(B-0 ->eta(')eta('))=1.0(-0.6)(+0.8)+/- 0.1(< 2.4), where the first error is statistical and the second systematic.
File in questo prodotto:
Non ci sono file associati a questo prodotto.

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/11586/59684
 Attenzione

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

Citazioni
  • ???jsp.display-item.citation.pmc??? ND
  • Scopus 6
  • ???jsp.display-item.citation.isi??? 10
social impact