Two-Body {ital B} Meson Decays to {ital {eta}} and {ital {eta}}{sup {ital {prime}}} : Observation of {ital B{r_arrow}{eta}}{sup {ital {prime}}}{ital K}
- University of Colorado, Boulder, Colorado 80309-0390 (United States)
- Cornell University, Ithaca, New York 14853 (United States)
- University of Florida, Gainesville, Florida 32611 (United States)
- Harvard University, Cambridge, Massachusetts 02138 (United States)
- University of Hawaii at Manoa, Honolulu, Hawaii 96822 (United States)
- University of Illinois, Urbana-Champaign, Illinois 61801 (United States)
- the Institute of Particle Physics (Canada)
- Ithaca College, Ithaca, New York 14850 (United States)
- University of Kansas, Lawrence, Kansas 66045 (United States)
In a sample of 6.6{times}10{sup 6} produced B mesons we have observed decays B{r_arrow}{eta}{sup {prime}}K , with branching fractions B(B{sup +}{r_arrow}{eta}{sup {prime}} K{sup +})=(6.5{sup +1.5}{sub {minus}1.4} {plus_minus}0.9){times}10{sup {minus}5} and B(B{sup 0}{r_arrow}{eta}{sup {prime}} K{sup 0})=(4.7{sup +2.7}{sub {minus}2.0} {plus_minus}0.9){times}10{sup {minus}5} . We have searched with comparable sensitivity for 17 related decays to final states containing an {eta} or {eta}{sup {prime}} meson accompanied by a single particle or low-lying resonance. Our upper limits for these constrain theoretical interpretations of the B{r_arrow}{eta}{sup {prime}}K signal. {copyright} {ital 1998} {ital The American Physical Society}
- OSTI ID:
- 627844
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 17 Vol. 80; ISSN 0031-9007; ISSN PRLTAO
- Country of Publication:
- United States
- Language:
- English
Similar Records
{ital B} Decays Involving {ital {eta}} and {ital {eta}}{sup {ital {prime}}} in Light of the {ital B}{r_arrow}{ital K{eta}}{sup {prime}} Process
Measurement of the branching ratios {psi}{sup {prime}}{r_arrow}e{sup +}e{sup {minus}}, {psi}{sup {prime}}{r_arrow}J/{psi}{pi}{pi}, and {psi}{sup {prime}}{r_arrow}J/{psi}{eta}