Phys. Rev. Lett.
75,
3804–3808
(1995)
Measurement of the Ds+→ηℓ+ν and Ds+→η′ℓ+ν Branching Ratios
G. Brandenburg et al. (CLEO Collaboration)
Show All Authors/Affiliations
Hide All Authors/Affiliations
G. Brandenburg1, D. Cinabro1, T. Liu1, M. Saulnier1, R. Wilson1, H. Yamamoto1, T. Bergfeld2, B. I. Eisenstein2, J. Ernst2, G. E. Gladding2, G. D. Gollin2, M. Palmer2, M. Selen2, J. J. Thaler2, K. W. Edwards3, K. W. McLean3, M. Ogg3, A. Bellerive4, D. I. Britton4, E. R. F. Hyatt4, R. Janicek4, D. B. MacFarlane4, P. M. Patel4, B. Spaan4, A. J. Sadoff5, R. Ammar6, P. Baringer6, A. Bean6, D. Besson6, D. Coppage6, N. Copty6, R. Davis6, N. Hancock6, S. Kotov6, I. Kravchenko6, N. Kwak6, Y. Kubota7, M. Lattery7, M. Momayezi7, J. K. Nelson7, S. Patton7, R. Poling7, V. Savinov7, S. Schrenk7, R. Wang7, M. S. Alam8, I. J. Kim8, Z. Ling8, A. H. Mahmood8, J. J. O'Neill8, H. Severini8, C. R. Sun8, F. Wappler8, G. Crawford9, J. E. Duboscq9, R. Fulton9, D. Fujino9, K. K. Gan9, K. Honscheid9, H. Kagan9, R. Kass9, J. Lee9, M. Sung9, C. White9, A. Wolf9, M. M. Zoeller9, X. Fu10, B. Nemati10, W. R. Ross10, P. Skubic10, M. Wood10, M. Bishai11, J. Fast11, E. Gerndt11, J. W. Hinson11, T. Miao11, D. H. Miller11, M. Modesitt11, E. I. Shibata11, I. P. J. Shipsey11, P. N. Wang11, L. Gibbons12, S. D. Johnson12, Y. Kwon12, S. Roberts12, E. H. Thorndike12, T. E. Coan13, J. Dominick13, V. Fadeyev13, I. Korolkov13, M. Lambrecht13, S. Sanghera13, V. Shelkov13, T. Skwarnicki13, R. Stroynowski13, I. Volobouev13, G. Wei13, M. Artuso14, M. Gao14, M. Goldberg14, D. He14, N. Horwitz14, S. Kopp14, G. C. Moneti14, R. Mountain14, F. Muheim14, Y. Mukhin14, S. Playfer14, S. Stone14, X. Xing14, J. Bartelt15, S. E. Csorna15, V. Jain15, S. Marka15, D. Gibaut16, K. Kinoshita16, P. Pomianowski16, B. Barish17, M. Chadha17, S. Chan17, D. F. Cowen17, G. Eigen17, J. S. Miller17, C. O'Grady17, J. Urheim17, A. J. Weinstein17, F. Würthwein17, D. M. Asner18, M. Athanas18, D. W. Bliss18, W. S. Brower18, G. Masek18, H. P. Paar18, J. Gronberg19, C. M. Korte19, R. Kutschke19, S. Menary19, R. J. Morrison19, S. Nakanishi19, H. N. Nelson19, T. K. Nelson19, C. Qiao19, J. D. Richman19, D. Roberts19, A. Ryd19, H. Tajima19, M. S. Witherell19, R. Balest20, K. Cho20, W. T. Ford20, M. Lohner20, H. Park20, P. Rankin20, J. G. Smith20, J. P. Alexander21, C. Bebek21, B. E. Berger21, K. Berkelman21, K. Bloom21, T. E. Browder21,*, D. G. Cassel21, H. A. Cho21, D. M. Coffman21, D. S. Crowcroft21, M. Dickson21, P. S. Drell21, D. J. Dumas21, R. Ehrlich21, R. Elia21, P. Gaidarev21, M. Garcia-Sciveres21, B. Gittelman21, S. W. Gray21, D. L. Hartill21, B. K. Heltsley21, S. Henderson21, C. D. Jones21, S. L. Jones21, J. Kandaswamy21, N. Katayama21, P. C. Kim21, D. L. Kreinick21, T. Lee21, Y. Liu21, G. S. Ludwig21, J. Masui21, J. Mevissen21, N. B. Mistry21, C. R. Ng21, E. Nordberg21, J. R. Patterson21, D. Peterson21, D. Riley21, A. Soffer21, P. Avery22, A. Freyberger22, K. Lingel22, C. Prescott22, J. Rodriguez22, S. Yang22, and J. Yelton22 (CLEO Collaboration)
1Harvard University, Cambridge, Massachusetts 02138
2University of Illinois, Champaign-Urbana, Illinois 61801
3Carleton University, Ottawa, Ontario, Canada K1S 5B6 and the Institute of Particle Physics, Montreal, Canada
4McGill University, Montréal, Québec, Canada H3A 2T8 and the Institute of Particle Physics, Montreal, Canada
5Ithaca College, Ithaca, New York 14850
6University of Kansas, Lawrence, Kansas 66045
7University of Minnesota, Minneapolis, Minnesota 55455
8State University of New York at Albany, Albany, New York 12222
9Ohio State University, Columbus, Ohio 43210
10University of Oklahoma, Norman, Oklahoma 73019
11Purdue University, West Lafayette, Indiana 47907
12University of Rochester, Rochester, New York 14627
13Southern Methodist University, Dallas, Texas 75275
14Syracuse University, Syracuse, New York 13244
15Vanderbilt University, Nashville, Tennessee 37235
16Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061
17California Institute of Technology, Pasadena, California 91125
18University of California, San Diego, La Jolla, California 92093
19University of California, Santa Barbara, California 93106
20University of Colorado, Boulder, Colorado 80309-0390
21Cornell University, Ithaca, New York 14853
22University of Florida, Gainesville, Florida 32611
Received 24 July 1995; published in the issue dated 20 November 1995
Using the CLEO II detector we measure B(Ds+→ηe+ν)/B(Ds+→φe+ν)=1.24±0.12±0.15, B(Ds+→η′e+ν)/B(Ds+→φe+ν)=0.43±0.11±0.07, and B(Ds+→η′e+ν)/B(Ds+→ηe+ν)=0.35±0.09±0.07. We find the ratio of vector to pseudoscalar final states, B(Ds+→φe+ν)/B(Ds+→(η+η′)e+ν)=0.60±0.06±0.06, which is similar to the ratio found in nonstrange D decays.
© 1995 The American Physical Society
URL:
http://link.aps.org/doi/10.1103/PhysRevLett.75.3804
DOI:
10.1103/PhysRevLett.75.3804
PACS:
13.20.Fc, 13.65.+i, 14.40.Lb
*Permanent address: University of Hawaii at Manoa, Honolulu, HI 96801.
|
|
