psi(2S) two-body and three-body hadronic decays - INSPIRE

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psi(2S) two-body and three-body hadronic decays

BES

Collaboration

Sep, 2002

9 pages

Published in:

Phys.Rev.D 67 (2003) 052002

e-Print:

hep-ex/0209080 [hep-ex]

DOI:

10.1103/PhysRevD.67.052002

PDG:

{{\mathit \psi}{(2S)}}

\rightarrow

{{\mathit b}_{{{1}}}^{\pm}}{{\mathit \pi}^{\mp}}

Report number:

SLAC-PUB-9569

Experiments:

BEPC-BES

View in:

ADS Abstract Service

reference search38 citations

Citations per year

Abstract: (arXiv)

We report measurements of branching fractions for psi(2S) decays into omega pi pi, b1 pi,omega f2(1270),omega KK, omega p pbar, phi pi pi, phi f0(980),phi KK, and an upper limit for phi p pbar final states based on a data sample of 4 X 10^6 psi(2S) events collected with the BESI detector at the Beijing Electron-Positron Collider. The branching fractions for b1 pi and omega f2(1270) update previous BES results, while those for other decay modes are first measurements. The ratios of psi(2S)and J/psi branching fractions are smaller than what is expected from the 12% rule by a factor of five for omega f2(1270),by a factor of two for omega pi pi, omega p pbar, and phi KK, while for other studied channels the ratios are consistent with expectation within errors.

13.66.Bc
13.25.Gv
electron positron: colliding beams
electron positron: annihilation
psi(3685): electroproduction
psi(3685): hadronic decay
psi(3685): branching ratio
omega(783)
b1(1235)
f2(1270)

References(19)

Figures(0)

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