Observation of chi(b)(1P(J),2P(J)) decays to light hadrons

Asner, D.M.; Edwards, K.W.; Reed, J.; Briere, Roy A.; Tatishvili, G.; Vogel, H.; Onyisi, P.U.E.; Rosner, J.L.; Alexander, J.P.; Cassel, D.G.

doi:10.1103/PhysRevD.78.091103

Observation of chi(b)(1P(J),2P(J)) decays to light hadrons

CLEO

Collaboration

•

D.M. Asner
(
- Carleton U.
)

Aug, 2008

12 pages

Published in:

Phys.Rev.D 78 (2008) 091103

e-Print:

0808.0933 [hep-ex]

DOI:

10.1103/PhysRevD.78.091103

PDG:

{{\mathit \Upsilon}{(3S)}}

\rightarrow

{{\mathit \gamma}}{{\mathit \chi}_{{{b2}}}{(1P)}}

Report number:

CLNS-08-2037,
CLEO-09-20

Experiments:

CESR-CLEO

View in:

ADS Abstract Service

pdf

reference search22 citations

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Abstract: (arXiv)

Analyzing

\Upsilon(nS)

decays acquired with the CLEO detector operating at the CESR

e^+e^-

collider, we measure for the first time the product branching fractions

{\cal B}[\Upsilon(nS)\to\gamma\chi_{b}((n-1)P_J)] \times {\cal B}[\chi_{b}(n-1)P_J)\to X_i]

for

n=2

and 3, where

X_i

denotes, for each

i

, one of the fourteen exclusive light-hadron final states for which we observe significant signals in both

\chi_b(1P_J)

and

\chi_b(2P_J)

decays. We also determine upper limits for the electric dipole (E1) transitions

\Upsilon(3S) \to \gamma \chi_b(1P_J)

.

Note:

12 pages, 3 figures, submitted to Phys. Rev. D (Rapid Communications)

14.40.Gx
13.25.Gv
electron positron: annihilation
upsilon mesons: radiative decay
chi mesons: bottom
meson: hadronic decay
upsilon mesons: branching ratio
CLEO
experimental results
Cornell CESR Stor

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