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Observation of D+ → ρ(770)0μ+v

Authors :
K. Kodama
N. Ushida
A. Mokhtarani
V.S. Paolone
J.T. Volk
J.O. Wilcox
P.M. Yager
R.M. Edelstein
A.P. Freyberger
D.B. Gibaut
R.J. Lipton
W.R. Nichols
D.M. Potter
J.C. Russ
C. Zhang
Y. Zhang
H.I. Jang
J.Y. Kim
T.I. Kim
I.T. Lim
M.Y. Pac
B.R. Baller
R.J. Stefanski
K. Nakazawa
K.S. Chung
S.H. Chung
D.C. Kim
I.G. Park
M.S. Park
J.S. Song
C.S. Yoon
M. Chikawa
T. Abe
S. Aoki
T. Fujii
G. Fujioka
K. Fujiwara
H. Fukushima
T. Hara
Y. Takahashi
K. Taruma
Y. Tsuzuki
C. Yokoyama
S.D. Chang
B.G. Cheon
J.H. Cho
J.S. Kang
C.O. Kim
K.Y. Kim
T.Y. Kim
J.C. Lee
S.B. Lee
G.Y. Lim
S.W. Nam
T.S. Shin
K.S. Sim
J.K. Woo
Y. Isokane
Y. Tsuneoka
A. Gauthier
K. Hoshino
H. Kitamura
M. Kobayashi
M. Komatsu
M. Miyanishi
K. Nakamura
M. Nakamura
Y. Nakamura
S. Nakanishi
K. Niu
K. Niwa
M. Nomura
K. Okada
H. Tajima
T. Toshitou
S. Yoshida
M. Aryal
J.M. Dunlea
S.G. Frederiksen
S. Kuramata
B.G. Lundberg
G.A. Oleynik
N.W. Reay
K. Reibel
R.A. Sidwell
N.R. Stanton
K. Moriyama
H. Shibata
G.R. Kalbfleisch
P. Skubic
J.M. Smow
S.E. Willis
O. Kusumoto
S. Ohashi
T. Okusawa
M. Teranaka
T. Tominaga
T. Yoshida
H. Yuuki
H. Okabe
J. Yokota
S. Ikegami
M. Kazuno
T. Koya
E. Niu
S. Ogawa
H. Shibuya
S. Watanabe
N. Yasuda
Y. Sato
M. Seshimo
I. Tezuka
S.Y. Bahk
S.K. Kim
Source :
Physics Letters B, Vol 316, Iss 2, Pp 455-462 (1993)
Publication Year :
1993
Publisher :
Elsevier, 1993.

Abstract

We report the first observation of the Cabibo disfavored semileptonic decay mode D+ → ρ(770)0 μ+v and measure its decay rate relative to the Cabibbo favored mode D + → K ∗ (892) 0 μ + v to be Λ(D + → ρ(770) 0 μ + v Λ(D + → K ∗ (892) 0 μ + v) = 0.044 0.031 −0.025 ( stat. ) ± 0.014 ( syst. ) . The results are compared to theoretical predictions and to previous experimental upper limits.

Details

Language :
English
ISSN :
03702693
Volume :
316
Issue :
2
Database :
OpenAIRE
Journal :
Physics Letters B
Accession number :
edsair.doi.dedup.....9ead9d695f9a1be4949c8ef4dc76ef05