Phys. Rev. D 57, 4467 - 4470 (1998)
Measurement of the branching fractions of Λc+→pK̅ n(π)
M. S. Alam et al. (CLEO Collaboration)
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M. S. Alam1, S. B. Athar1, Z. Ling1, A. H. Mahmood1, H. Severini1, S. Timm1, F. Wappler1, A. Anastassov2, J. E. Duboscq2, D. Fujino2 *, K. K. Gan2, T. Hart2, K. Honscheid2, H. Kagan2, R. Kass2, J. Lee2, M. B. Spencer2, M. Sung2, A. Undrus2 †, R. Wanke2, A. Wolf2, M. M. Zoeller2, B. Nemati3, S. J. Richichi3, W. R. Ross3, P. Skubic3, M. Bishai4, J. Fast4, J. W. Hinson4, N. Menon4, D. H. Miller4, E. I. Shibata4, I. P. J. Shipsey4, M. Yurko4, L. Gibbons5, S. Glenn5, S. D. Johnson5, Y. Kwon5 ‡, S. Roberts5, E. H. Thorndike5, C. P. Jessop6, K. Lingel6, H. Marsiske6, M. L. Perl6, D. Ugolini6, R. Wang6, X. Zhou6, T. E. Coan7, V. Fadeyev7, I. Korolkov7, Y. Maravin7, I. Narsky7, V. Shelkov7, J. Staeck7, R. Stroynowski7, I. Volobouev7, J. Ye7, M. Artuso8, A. Efimov8, M. Goldberg8, D. He8, S. Kopp8, G. C. Moneti8, R. Mountain8, S. Schuh8, T. Skwarnicki8, S. Stone8, G. Viehhauser8, X. Xing8, J. Bartelt9, S. E. Csorna9, V. Jain9 §, K. W. McLean9, S. Marka9, R. Godang10, K. Kinoshita10, I. C. Lai10, P. Pomianowski10, S. Schrenk10, G. Bonvicini11, D. Cinabro11, R. Greene11, L. P. Perera11, G. J. Zhou11, B. Barish12, M. Chadha12, S. Chan12, G. Eigen12, J. S. Miller12, C. O’Grady12, M. Schmidtler12, J. Urheim12, A. J. Weinstein12, F. Würthwein12, D. W. Bliss13, G. Masek13, H. P. Paar13, S. Prell13, V. Sharma13, D. M. Asner14, J. Gronberg14, T. S. Hill14, D. J. Lange14, S. Menary14, R. J. Morrison14, H. N. Nelson14, T. K. Nelson14, C. Qiao14, J. D. Richman14, D. Roberts14, A. Ryd14, M. S. Witherell14, R. Balest15, B. H. Behrens15, W. T. Ford15, H. Park15, J. Roy15, J. G. Smith15, J. P. Alexander16, C. Bebek16, B. E. Berger16, K. Berkelman16, K. Bloom16, D. G. Cassel16, H. A. Cho16, D. S. Crowcroft16, M. Dickson16, P. S. Drell16, K. M. Ecklund16, R. Ehrlich16, A. D. Foland16, P. Gaidarev16, B. Gittelman16, S. W. Gray16, D. L. Hartill16, B. K. Heltsley16, P. I. Hopman16, J. Kandaswamy16, P. C. Kim16, D. L. Kreinick16, T. Lee16, Y. Liu16, G. S. Ludwig16, N. B. Mistry16, C. R. Ng16, E. Nordberg16, M. Ogg16 **, J. R. Patterson16, D. Peterson16, D. Riley16, A. Soffer16, B. Valant-Spaight16, C. Ward16, M. Athanas17, P. Avery17, C. D. Jones17, M. Lohner17, C. Prescott17, J. Yelton17, J. Zheng17, G. Brandenburg18, R. A. Briere18, A. Ershov18, Y. S. Gao18, D. Y.-J. Kim18, R. Wilson18, H. Yamamoto18, T. E. Browder19, F. Li19, Y. Li19, J. L. Rodriguez19, T. Bergfeld20, B. I. Eisenstein20, J. Ernst20, G. E. Gladding20, G. D. Gollin20, R. M. Hans20, E. Johnson20, I. Karliner20, M. A. Marsh20, M. Palmer20, M. Selen20, J. J. Thaler20, K. W. Edwards21, A. Bellerive22, R. Janicek22, D. B. MacFarlane22, P. M. Patel22, A. J. Sadoff23, R. Ammar24, P. Baringer24, A. Bean24, D. Besson24, D. Coppage24, C. Darling24, R. Davis24, N. Hancock24, S. Kotov24, I. Kravchenko24, N. Kwak24, S. Anderson25, Y. Kubota25, S. J. Lee25, J. J. O’Neill25, S. Patton25, R. Poling25, T. Riehle25, V. Savinov25, and A. Smith25 (CLEO Collaboration)
1State University of New York at Albany, Albany, New York 12222
2Ohio State University, Columbus, Ohio 43210
3University of Oklahoma, Norman, Oklahoma 73019
4Purdue University, West Lafayette, Indiana 47907
5University of Rochester, Rochester, New York 14627
6Stanford Linear Accelerator Center, Stanford University, Stanford, California 94309
7Southern Methodist University, Dallas, Texas 75275
8Syracuse University, Syracuse, New York 13244
9Vanderbilt University, Nashville, Tennessee 37235
10Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061
11Wayne State University, Detroit, Michigan 48202
12California Institute of Technology, Pasadena, California 91125
13University of California, San Diego, La Jolla, California 92093
14University of California, Santa Barbara, California 93106
15University of Colorado, Boulder, Colorado 80309-0390
16Cornell University, Ithaca, New York 14853
17University of Florida, Gainesville, Florida 32611
18Harvard University, Cambridge, Massachusetts 02138
19University of Hawaii at Manoa, Honolulu, Hawaii 96822
20University of Illinois, Champaign-Urbana, Illinois 61801
21Carleton University, Ottawa, Ontario, Canada K1S 5B6Institute of Particle Physics, Canada
22McGill University, Montréal, Québec, Canada H3A 2T8Institute of Particle Physics, Canada
23Ithaca College, Ithaca, New York 14850
24University of Kansas, Lawrence, Kansas 66045
25University of Minnesota, Minneapolis, Minnesota 55455
Received 10 September 1997
Using data recorded by the CLEO-II detector at CESR, we report new measurements of the branching fractions for the decays of the charmed baryon Λc+ into pK-π+π0, pK0, pK0π+π-, and pK0π0, all measured relative to pK-π+. The relative branching fractions are 0.67±0.04±0.11,0.46±0.02±0.04,0.52±0.04±0.05, and 0.66±0.05±0.07, respectively.
©1998 The American Physical Society
URL: http://link.aps.org/doi/10.1103/PhysRevD.57.4467
DOI: 10.1103/PhysRevD.57.4467
PACS: 14.20.Lq, 13.30.Eg, 14.65.Dw
* Permanent address: Lawrence Livermore National Laboratory, Livermore, CA 94551.
† Permanent address: BINP, RU-630090 Novosibirsk, Russia.
‡ Permanent address: Yonsei University, Seoul 120-749, Korea.
§ Permanent address: Brookhaven National Laboratory, Upton, NY 11973.
** Permanent address: University of Texas, Austin TX 78712.
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