Authors

C. Cawlfield
B. I. Eisenstein
I. Karliner
D. Kim
N. Lowrey
P. Naik
C. Sedlack
M. Selen
E. J. White
J. Williams
J. Wiss
D. M. Asner
K. W. Edwards
D. Besson
T. K. Pedlar
D. Cronin-Hennessy
K. Y. Gao
D. T. Gong
J. Hietala
Y. Kubota
T. Klein
B. W. Lang
S. Z. Li
R. Poling
A. W. Scott
A. Smith
S. Dobbs
Z. Metreveli
K. K. Seth
A. Tomaradze
P. Zweber
J. Ernst
K. Arms
H. Severini
S. A. Dytman
W. Love
S. Mehrabyan
J. A. Mueller
V. Savinov
Z. Li
A. Lopez
H. Mendez
J. Ramirez
G. S. Huang
D. H. Miller
V. Pavlunin
B. Sanghi
I. P. J. Shipsey
G. S. AdamsFollow
M. Anderson
J. P. Cummings
I. Danko
J. Napolitano
Q. He
H. Muramatsu
C. S. Park
E. H. Thorndike
T. E. Coan
Y. S. Gao
F. Liu
M. Artuso
C. Boulahouache
S. Blusk
J. Butt
O. Dorjkhaidav
J. Li
N. Menaa
R. Mountain
K. Randrianarivony
R. Redjimi
R. Sia
T. Skwarnicki
S. Stone
J. C. Wang
K. Zhang
S. E. Csorna
G. Bonvicini
D. Cinabro
M. Dubrovin
A. Lincoln
A. Bornheim
S. P. Pappas
A. J. Weinstein
R. A. Briere
G. P. Chen
J. Chen
T. Ferguson
G. Tatishvili
H. Vogel
M. E. Watkins
J. L. Rosner
N. E. Adam
J. P. AlexanderFollow
K. Berkelman
D. G. Cassel
J. E. Duboscq
K. M. Ecklund
R. Ehrlich
T. Engelmore
L. Fields
R. S. Galik
L. Gibbons
R. Gray
S. W. Gray
D. L. Hartill
B. K. Heltsley
D. Hertz
C. D. Jones
J. Kandaswamy
D. L. Kreinick
V. E. Kuznetsov
H. Mahlke-Kruger
T. O. Meyer
P. U. E. Onyisi
J. R. Patterson
D. Peterson
E. A. Phillips
J. Pivarski
D. Riley
A. Ryd
A. J. Sadoff
H. Schwarthoff
X. Shi
M. R. Shepherd
S. Stroiney
W. M. Sun
K. M. Weaver
T. Wilksen
M. Weinberger
S. B. Athar
P. Avery
L. Breva-Newell
R. Patel
V. Potlia
H. Stoeck
J. Yelton
P. Rubin

Published in:

Physical Review D 73,1 (2006) 012003;

Abstract

We have searched for the di-pion transition chi(b)(2P) -> pi pi chi(b)(1P) in the CLEO III sample of Upsilon(3S) decays in the exclusive decay chain: Upsilon(3S) -> gamma chi(b)(2P), chi(b)(2P) -> pi pi chi(b)(1P), chi(b)(1P) -> gamma Upsilon(1S), Upsilon(1S) -> l(+)l(-). Our studies include both pi(+)pi(-) and pi(0)pi(0), each analyzed both in fully-reconstructed events and in events with one pion undetected. We show that the null hypothesis is not substantiated. Under reasonable assumptions, we find the partial decay width to be Gamma(chi(b)(2P) -> pi pi chi(b)(1P)) = (0.83 +/- 0.22 +/- 0.08 +/- 0.19) keV, with the uncertainties being statistical, internal CLEO systematics, and common systematics from outside sources.

Keywords

hadronic transitions;; pi+pi transitions;; upsilon(3s)

Date of this Version

January 2006

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