Observation of the Muonic Decay, Ds± → µ±νµ | Zendy

S. Aoki | Zendy; G. Baroni | Zendy; V. Bisi | Zendy; A. C. Breslin | Zendy; M.G. Catanesi | Zendy; K. Chiba | Zendy; D.H. Davis | Zendy; S. Di Liberto | Zendy; M.J. Esten | Zendy; C. Gerke | Zendy; K. Hoshino | Zendy; M. Kazuno | Zendy; M. Kobayashi | Zendy; K. Kodama | Zendy; Y. Maeda | Zendy; A. MarzariChiesa | Zendy; M. A. Mazzoni | Zendy; F. Meddi | Zendy; F. Minakawa | Zendy; M. Miyanishi | Zendy; M T Muciaccia | Zendy; Mitsuhiro Nakamura | Zendy; K. Nakazawa | Zendy; K. Niu | Zendy; K. Niwa | Zendy; G. Poulard | Zendy; E. Radicioni | Zendy; L. Ramello | Zendy; G. Romano | Zendy; G. La Rosa | Zendy; F. Ruggieri | Zendy; Massimo Sartori | Zendy; H. Sasaki | Zendy; Yoko Sato | Zendy; C. Sgarbi | Zendy; H. Shibuya | Zendy; S. Simone | Zendy; H. Tajima | Zendy; S. Tasaka | Zendy; I. Tezuka | Zendy; D.N. Tovee | Zendy; N. Ushida | Zendy; Y. Yanagisawa | Zendy

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Observation of the Muonic Decay, D_s^± → µ^±ν_µ

Author(s) -

S. Aoki,

G. Baroni,

V. Bisi,

A. C. Breslin,

M.G. Catanesi,

K. Chiba,

D.H. Davis,

S. Di Liberto,

M.J. Esten,

C. Gerke,

K. Hoshino,

M. Kazuno,

M. Kobayashi,

K. Kodama,

Y. Maeda,

A. MarzariChiesa,

M. A. Mazzoni,

F. Meddi,

F. Minakawa,

M. Miyanishi,

M T Muciaccia,

Mitsuhiro Nakamura,

K. Nakazawa,

K. Niu,

K. Niwa,

G. Poulard,

E. Radicioni,

L. Ramello,

G. Romano,

G. La Rosa,

F. Ruggieri,

Massimo Sartori,

H. Sasaki,

Yoko Sato,

C. Sgarbi,

H. Shibuya,

S. Simone,

H. Tajima,

S. Tasaka,

I. Tezuka,

D.N. Tovee,

N. Ushida,

Y. Yanagisawa

Publication year - 1993

Publication title -

progress of theoretical physics

Language(s) - English

Resource type - Journals

eISSN - 1347-4081

pISSN - 0033-068X

DOI - 10.1143/ptp.89.131

Subject(s) - physics , nuclear physics , atomic physics

The muonic decay of charmed strange mesons has been observed directly, in the analysis of a sample of 144 decays of charged charmed particles into a muon and no other charged particle. The branching ratio is estimated to be BR(Ds± →µ±νµ) = (4.0+1.8+0.8-1.4-0.6 ±1.7) ×10-3, assuming a ratio r = 0.27 between production cross sections of Ds± and neutral charmed particles. The decay constant fDs is estimated to be (232 ±45 ±20 ±48) MeV/c2 and does not depend on theoretical assumptions

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