Author: "I. Narsky" - Searchworks@Jio Institute Digital Library Search Results

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1. Measurements of the Absolute Branching Fractions of B± →k±Xc c

Author: A. J. Edwards, F. Simonetto, W. F. Mader, R. H. Schindler, Fry, Shanhui Fan, I Eschrich, W. Menges, M Bruinsma, K. Suzuki, T Schalk, R. Kroeger, J. M. Bauer, D. Boutigny, H. Nicholson, A Petzold, Marcello Rotondo, AT Watson, Martino Margoni, H. U. Flaecher, L. M. Cremaldi, M. Verderi, A Pompili, T. Hadig, U. Mallik, S. K. Swain, KS Chaisanguanthum, Muller, J. F. Strube, Roberto Calabrese, AN Yushkov, E. Gabathuler, Jordan Nash, O. Hamon, R. R. Kofler, M. Krishnamurthy, C. M. Cormack, AE Blinov, WH Toki, R Schwierz, Heiko Lacker, M Battaglia, D. G. Hitlin, S. Ye, M Andreotti, T. C. Petersen, Corrado Angelini, W. Gradl, Stephen Sekula, G Mancinelli, F. C. Porter, R. Ter-Antonyan, R. C. Field, D. E. Wagoner, W. O. Ruddick, Gabriele Simi, A. Buzzo, A. K. Mohapatra, D. J. Payne, J Kadyk, L Piemontese, F. Bucci, P. Wang, ML Vetere, G Lynch, D. Côté, L. Gioi, TW Beck, P. S. Jackson, R. Godang, D. Piccolo, Tisserand, G. Therin, J Marks, W. Bhimji, Gill, Q Zeng, S. Rodier, Nicola Neri, F. Lodovico, O. L. Buchmueller, D. Su, Nicolo De Groot, Wp Vazquez, B. Cheng, Chunhui Chen, K. R. Schubert, C. L. Davis, R. Gamet, H. L. Lynch, A. Gaidot, G. P. Gopal, B. Viaud, Maurizio Pierini, M. P. Kelly, M Saleem, D. J. Bard, A. Calcaterra, J. Ocariz, R Nogowski, M. Piccolo, M. T. Allen, S. Saremi, M Mandelkern, A. W. Weidemann, Matteo Rama, D. M. Strom, Mauro Morandin, G Brandenburg, S. Playfer, C. Bozzi, M. Haire, J. C. Williams, Halyo, K. Honscheid, C. A. Chavez, C. L. Edgar, J Zhang, LT Kerth, D. Dong, DC Williams, JE Sundermann, SE Morgan, J. M. Roney, JS Minamora, Luca Lista, S. J. Gowdy, K. A. George, J. G. Smith, M. B. Nikolich, D Kirkby, C. Cartaro, A. Oyanguren, G. Batignani, R. Sacco, C. Roat, M. Benayoun, Fabio Cossutti, M. A. Mazzoni, G. Wormser, RJ Wilson, H. L. Snoek, S Curry, J. W. Gary, K. Goetzen, B. Franek, P Bloom, R. Frey, H. J. Bulten, CJ Flacco, A. M. Eisner, D. W. G. S. Leith, Nicolas Berger, D. A. Hopkins, S. M. Spanier, Vladimir Blinov, G Vasileiadis, B Lewandowski, J Kroseberg, C. Gatto, A Santroni, S Tosi, C. K. Lae, D. B. MacFarlane, R. J. Barlow, G. Rizzo, E. P. Solodov, D Altenburg, W. N. Cottingham, N. Chevalier, M. Posocco, Marco Bomben, R. Barate, D. Bernard, JD Richman, C Thiebaux, J.J. Reidy, R. Bula, T. Cuhadar-Donszelmann, T. Schroeder, Johnson, G. Schott, M. H. Kelsey, T. Abe, J. Stelzer, C. Touramanis, J. P. Burke, E. Torrence, Giuseppe Della Ricca, Sw. Banerjee, M Pappagallo, Abner Soffer, C. Hearty, R. Claus, S. Prell, Matteo Negrini, Thomas Allmendinger, C. Dallapiccola, J. J. Hollar, Y. P. Lau, D. Fortin, J. A. McKenna, Kyung-Soo Yi, G. Calderini, Douglas Wright, P Lund, James H Cochran, R. Cenci, T. Glanzman, R. L. Flack, HP Paar, J. L. Ritchie, EA Eckhart, S. Bettarini, A. J.S. Smith, Philippe Grenier, M Macri, J. M. LoSecco, E Feltresi, A. Zallo, J. Libby, AB Breon, FS Tehrani, G. Grosdidier, I. J. Forster, D. J. Summers, M. Spitznagel, B Stugu, S. F. Ganzhur, H. R. Band, B Spaan, H. B. Crawley, I. Kitayama, S. I. Serednyakov, MG Wilson, M Morii, KE Ford, D Best, Yuri Skovpen, R. J. Sobie, G. W. London, Y Groysman, J. C. Dingfelder, N. B. Sinev, BL Hartfiel, R. Liu, Daniele Del Re, Luth, A. Perazzo, C. Voena, L. Vitale, W. R. Innes, RG Jacobsen, E Chen, Alam, T. S. Mattison, D. A. Sanders, F. Martinez-Vidal, J. Chauveau, M. J.J. John, R. Aleksan, S. B. Zain, G. P. Dubois-Felsmann, H. A. Neal, S. Willocq, D. Monorchio, I Ofte, K Peters, T. B. Moore, Q. K. Wong, B. T. Meadows, J. Biesiada, A Samuel, V. B. Koptchev, V. E. Ozcan, S. A. Majewski, A Seiden, P. Tan, C. Hast, D. J. Lange, G. Piredda, A. Dvoretskii, W. Kozanecki, M. Legendre, GS Abrams, G. Raven, T. Held, C. Lu, D. Judd, Y. B. Pan, D. Bettoni, M. Lu, Dmytro Kovalskyi, J. I. Yi, C. M. Brown, Y Xie, H. W. Zhao, P. D. Dauncey, J. P. Lees, R. Kowalewski, A. Hocker, S. Ahmed, D. Gamba, A. Lusiani, F. Gallo, RK Mommsen, P. R. Burchat, S Schrenk, M. Pioppi, F. Polci, N. S. Knecht, V. P. Druzhinin, Y Karyotakis, W. J. Wisniewski, A. Stocchi, F. R. Wappler, CM Hawkes, F. Forti, P. C. Kim, A. Lazzaro, J. E. Brau, Tim Adye, X. Giroux, M. Carpinelli, M. T. Naisbit, Lydia Roos, M. Morganti, C. Voci, Eleonora Luppi, R. Baldini-Ferroli, J. Schwiening, Julie Malcles, R. D. Kass, Q. H. Guo, C. De La Vaissiere, H. Kagan, H. Schröder, R. J. Parry, D. Dujmic, Tetiana Hrynova, K. K. Gan, D. A. Roberts, Anders Ryd, N. D. Qi, J. M. Thompson, C. Yeche, A. D'Orazio, F. E. Taylor, A Chen, T. M. Hong, MA Mazur, BA Schumm, D. Aston, C Campagnari, GH de Monchenault, M. H. Schune, Guglielmo De Nardo, G. Marchiori, U. Uwer, BC Shen, J Wu, M. Zito, NA Roe, C. P. O'Grady, M Dickopp, W. Dunwoodie, PJ Clark, M. A. Baak, M Chao, A. V. Telnov, WT Ford, J. Olsen, E. O. Olaiya, M. A. Saeed, W. T. Meyer, Y. S. Zhu, A. Mihalyi, Eyges, R. Stroili, J Schubert, Wagner, Hyunyong Kim, Maurizio Biasini, N. R. Barlow, Pierluigi Paolucci, U Nauenberg, Kenji Hamano, T.R. McMahon, C Buchanan, TJ Harrison, Ulrik Egede, Matthew J. Graham, M. Fritsch, T Piatenko, F Couderc, RW Kadel, S. S. Hertzbach, N. Danielson, R. Messner, A Zghiche, R. Faccini, Sokoloff, F. Ferrarotto, A. J. Lankford, Marcella Bona, AD Bukin, C. Patrignani, A. Cunha, F. Palombo, D Brown, E. Paoloni, F. Salvatore, JF Hirschauer, EJ Hill, S. Pacetti, Owen Rosser Long, G. B. Mohanty, L. Wilden, A. Kreisel, Kefeng Wang, F. Galeazzi, R. Cowan, Gabriele Benelli, P. Taras, Lepeltier, R. F. Schwitters, Mohamed H. Ahmed, M. L. Kocian, P. Roudeau, P. D. Jackson, AJ Hart, A. P. Onuchin, R. K. Yamamoto, J. J. Back, G. Finocchiaro, L Zhang, H. Staengle, PJ Oddone, W Verkerke, J Brose, LM Mir, E. Grauges, X. R. Chen, S. Brunet, M. G. Green, Adrian John Bevan, R. Bartoldus, P Kyberd, Zongfu Yu, G. A. Cowan, M. Gaspero, J. P. Coleman, G. Eigen, M Bondioli, C. T. Potter, A. Snyder, Mario Giorgi, Monge, Michael Steinke, S. Morganti, L. Gladney, M. J. Charles, R. Eckmann, F. F. Wilson, L. Bosisio, S Otto, Sridhara Dasu, M. Davier, G Kukartsev, W Roethel, Karsten Koeneke, K. A. Ulmer, Francesco Fabozzi, G. R. Bonneaud, A. J.R. Weinstein, Colin Jessop, Mousumi Datta, R. Prepost, Andrei Gritsan, I Narsky, SD Foulkes, HK Hadavand, Azzolini, A. Khan, F. Bellini, T. Orimoto, M Barrett, A. Olivas, M. Weaver, G. Vasseur, K. T. Flood, M. L. Perl, J. T. Boyd, Joseph Izen, K. C. Schofield, A. Roodman, R Andreassen, T. Pulliam, S Rahatlou, J. A. Ernst, H. Briand, Roland Waldi, F. Ferroni, N. Cavallo, L. Lanceri, Stéphane Plaszczynski, D. A. Bowerman, Paul Fraser Harrison, P. M. Patel, S. J. Chen, J.H. Panetta, X. Chai, M. K. Sullivan, A. Jawahery, Y. G. Kolomensky, Gabriella Sciolla, W. M. Bugg, G. Cibinetto, B. N. Ratcliff, Emanuele Di Marco, RN Cahn, P Spradlin, Eschenburg, B. A. Petersen, J. Dorfan, A. M. Boyarski, C. L. Brown, JW Berryhill, MT Ronan, P. E. Kutter, P. K. Behera, Ph Leruste, F Muheim, G.J. Wagner, N. Arnaud, B. Mayer, A. K. Yarritu, Convery, I. M. Peruzzi, C. H. Cheng, Luigi Del Buono, B. Aubert, E Robutti, H. Marsiske, R. de Sangro, S. L. Wu, RS Dubitzky, F. Bianchi, A. E. Rubin, N. van Bakel, C. C. Young, F. Diberder, J. Allison, WA Wenzel, A. M. Lutz, Poireau, Hui Li, G. Rong, Sergio Grancagnolo, R Contri, S. Passaggio, R. S. Panvini, M Pelizaeus, Wilson, W. D. Hulsbergen, Xingguo Li, M. V. Purohit, J. Albert, Bruce Mellado, Klose, M. Wittgen, E Charles, Pieter David, Ziegler, V. B. Golubev, Roberto Covarelli, A. Palano, G. Cavoto, David Hutchcroft, Bryan Dahmes, S. Luitz, S Schenk, J. Va’vra, Sharma, D. Hufnagel, Peter Elmer, DP Stoker, E Won, A. M. Eichenbaum, S. Ricciardi, L Teodorescu, C. A. Heusch, E. A. Kravchenko, Crisostomo Sciacca, CT Day, J. C. Chen, P. Patteri, R Capra, D. Wright, B. Bhuyan, B. G. Fulsom, X. C. Lou, J. J. Walsh, A. M. Rahimi, T. E. Latham, D. N. Brown, Gaillard, G. D. Lafferty, T Brandt, M Pripstein, Markus Cristinziani, O. Igonkina, F. X. Yumiceva, J Button-Shafer, S. H. Robertson, G Nesom, S. Emery, G. Blaylock, Herbert Koch, A Hauke, Lombardo, F. Blanc, A. Satpathy, M. C. Hodgkinson, G. Graziani, E. I. Rosenberg, W. S. Lockman, A. A. Salnikov, M. C. Simani, F. Anulli, S. Dittongo, U Langenegger, Lees J.P., Poireau V., Tisserand V., Grauges E., Palano A., Eigen G., Brown D.N., Kolomensky Y.G., Fritsch M., Koch H., Schroeder T., Cheaib R., Hearty C., Mattison T.S., McKenna J.A., So R.Y., Blinov V.E., Buzykaev A.R., Druzhinin V.P., Golubev V.B., Kozyrev E.A., Kravchenko E.A., Onuchin A.P., Serednyakov S.I., Skovpen Y.I., Solodov E.P., Todyshev K.Y., Lankford A.J., Dey B., Gary J.W., Long O., Eisner A.M., Lockman W.S., Panduro Vazquez W., Chao D.S., Cheng C.H., Echenard B., Flood K.T., Hitlin D.G., Kim J., Li Y., Miyashita T.S., Ongmongkolkul P., Porter F.C., Rohrken M., Huard Z., Meadows B.T., Pushpawela B.G., Sokoloff M.D., Sun L., Smith J.G., Wagner S.R., Bernard D., Verderi M., Bettoni D., Bozzi C., Calabrese R., Cibinetto G., Fioravanti E., Garzia I., Luppi E., Santoro V., Calcaterra A., De Sangro R., Finocchiaro G., Martellotti S., Patteri P., Peruzzi I.M., Piccolo M., Rotondo M., Zallo A., Passaggio S., Patrignani C., Shuve B.J., Lacker H.M., Bhuyan B., Mallik U., Chen C., Cochran J., Prell S., Gritsan A.V., Arnaud N., Davier M., Le Diberder F., Lutz A.M., Wormser G., Lange D.J., Wright D.M., Coleman J.P., Gabathuler E., Hutchcroft D.E., Payne D.J., Touramanis C., Bevan A.J., Di Lodovico F., Sacco R., Cowan G., Banerjee S., Davis C.L., Denig A.G., Gradl W., Griessinger K., Hafner A., Schubert K.R., Barlow R.J., Lafferty G.D., Cenci R., Jawahery A., Roberts D.A., Cowan R., Robertson S.H., Seddon R.M., Neri N., Palombo F., Cremaldi L., Godang R., Summers D.J., Taras P., De Nardo G., Sciacca C., Raven G., Jessop C.P., Losecco J.M., Honscheid K., Kass R., Gaz A., Margoni M., Posocco M., Simi G., Simonetto F., Stroili R., Akar S., Ben-Haim E., Bomben M., Bonneaud G.R., Calderini G., Chauveau J., Marchiori G., Ocariz J., Biasini M., Manoni E., Rossi A., Batignani G., Bettarini S., Carpinelli M., Casarosa G., Chrzaszcz M., Forti F., Giorgi M.A., Lusiani A., Oberhof B., Paoloni E., Rama M., Rizzo G., Walsh J.J., Zani L., Smith A.J.S., Anulli F., Faccini R., Ferrarotto F., Ferroni F., Pilloni A., Piredda G., Bunger C., Dittrich S., Grunberg O., Hess M., Leddig T., Voss C., Waldi R., Adye T., Wilson F.F., Emery S., Vasseur G., Aston D., Cartaro C., Convery M.R., Dorfan J., Dunwoodie W., Ebert M., Field R.C., Fulsom B.G., Graham M.T., Hast C., Innes W.R., Kim P., Leith D.W.G.S., Luitz S., Macfarlane D.B., Muller D.R., Neal H., Ratcliff B.N., Roodman A., Sullivan M.K., Va'Vra J., Wisniewski W.J., Purohit M.V., Wilson J.R., Randle-Conde A., Sekula S.J., Ahmed H., Bellis M., Burchat P.R., Puccio E.M.T., Alam M.S., Ernst J.A., Gorodeisky R., Guttman N., Peimer D.R., Soffer A., Spanier S.M., Ritchie J.L., Schwitters R.F., Izen J.M., Lou X.C., Bianchi F., De Mori F., Filippi A., Gamba D., Lanceri L., Vitale L., Martinez-Vidal F., Oyanguren A., Albert J., Beaulieu A., Bernlochner F.U., King G.J., Kowalewski R., Lueck T., Nugent I.M., Roney J.M., Sobie R.J., Tasneem N., Gershon T.J., Harrison P.F., Latham T.E., Prepost R., Wu S.L., Lees, J. P., Poireau, V., Tisserand, V., Grauges, E., Palano, A., Eigen, G., Brown, D. N., Kolomensky, Y. G., Fritsch, M., Koch, H., Schroeder, T., Cheaib, R., Hearty, C., Mattison, T. S., Mckenna, J. A., So, R. Y., Blinov, V. E., Buzykaev, A. R., Druzhinin, V. P., Golubev, V. B., Kozyrev, E. A., Kravchenko, E. A., Onuchin, A. P., Serednyakov, S. I., Skovpen, Y. I., Solodov, E. P., Todyshev, K. Y., Lankford, A. J., Dey, B., Gary, J. W., Long, O., Eisner, A. M., Lockman, W. S., Panduro Vazquez, W., Chao, D. S., Cheng, C. H., Echenard, B., Flood, K. T., Hitlin, D. G., Kim, J., Li, Y., Miyashita, T. S., Ongmongkolkul, P., Porter, F. C., Rohrken, M., Huard, Z., Meadows, B. T., Pushpawela, B. G., Sokoloff, M. D., Sun, L., Smith, J. G., Wagner, S. R., Bernard, D., Verderi, M., Bettoni, D., Bozzi, C., Calabrese, R., Cibinetto, G., Fioravanti, E., Garzia, I., Luppi, E., Santoro, V., Calcaterra, A., De Sangro, R., Finocchiaro, G., Martellotti, S., Patteri, P., Peruzzi, I. M., Piccolo, M., Rotondo, M., Zallo, A., Passaggio, S., Patrignani, C., Shuve, B. J., Lacker, H. M., Bhuyan, B., Mallik, U., Chen, C., Cochran, J., Prell, S., Gritsan, A. V., Arnaud, N., Davier, M., Le Diberder, F., Lutz, A. M., Wormser, G., Lange, D. J., Wright, D. M., Coleman, J. P., Gabathuler, E., Hutchcroft, D. E., Payne, D. J., Touramanis, C., Bevan, A. J., Di Lodovico, F., Sacco, R., Cowan, G., Banerjee, S., Davis, C. L., Denig, A. G., Gradl, W., Griessinger, K., Hafner, A., Schubert, K. R., Barlow, R. J., Lafferty, G. D., Cenci, R., Jawahery, A., Roberts, D. A., Cowan, R., Robertson, S. H., Seddon, R. M., Neri, N., Palombo, F., Cremaldi, L., Godang, R., Summers, D. J., Taras, P., De Nardo, G., Sciacca, C., Raven, G., Jessop, C. P., Losecco, J. M., Honscheid, K., Kass, R., Gaz, A., Margoni, M., Posocco, M., Simi, G., Simonetto, F., Stroili, R., Akar, S., Ben-Haim, E., Bomben, M., Bonneaud, G. R., Calderini, G., Chauveau, J., Marchiori, G., Ocariz, J., Biasini, M., Manoni, E., Rossi, A., Batignani, G., Bettarini, S., Carpinelli, M., Casarosa, G., Chrzaszcz, M., Forti, F., Giorgi, M. A., Lusiani, A., Oberhof, B., Paoloni, E., Rama, M., Rizzo, G., Walsh, J. J., Zani, L., Smith, A. J. S., Anulli, F., Faccini, R., Ferrarotto, F., Ferroni, F., Pilloni, A., Piredda, G., Bunger, C., Dittrich, S., Grunberg, O., Hess, M., Leddig, T., Voss, C., Waldi, R., Adye, T., Wilson, F. F., Emery, S., Vasseur, G., Aston, D., Cartaro, C., Convery, M. R., Dorfan, J., Dunwoodie, W., Ebert, M., Field, R. C., Fulsom, B. G., Graham, M. T., Hast, C., Innes, W. R., Kim, P., Leith, D. W. G. S., Luitz, S., Macfarlane, D. B., Muller, D. R., Neal, H., Ratcliff, B. N., Roodman, A., Sullivan, M. K., Va'Vra, J., Wisniewski, W. J., Purohit, M. V., Wilson, J. R., Randle-Conde, A., Sekula, S. J., Ahmed, H., Bellis, M., Burchat, P. R., Puccio, E. M. T., Alam, M. S., Ernst, J. A., Gorodeisky, R., Guttman, N., Peimer, D. R., Soffer, A., Spanier, S. M., Ritchie, J. L., Schwitters, R. F., Izen, J. M., Lou, X. C., Bianchi, F., De Mori, F., Filippi, A., Gamba, D., Lanceri, L., Vitale, L., Martinez-Vidal, F., Oyanguren, A., Albert, J., Beaulieu, A., Bernlochner, F. U., King, G. J., Kowalewski, R., Lueck, T., Nugent, I. M., Roney, J. M., Sobie, R. J., Tasneem, N., Gershon, T. J., Harrison, P. F., Latham, T. E., Prepost, R., and Wu, S. L.
Subjects: Physics, Particle physics, Kjerne- og elementærpartikkelfysikk: 431 [VDP], Meson, 010308 nuclear & particles physics, Electron–positron annihilation, General Physics and Astronomy, BaBar experiment, Bottom meson, BaBar, PEP-II, B meson, Bottom mesons, Branching (polymer chemistry), 7. Clean energy, 01 natural sciences, Lower limit, HEP, NO, Nuclear and elementary particle physics: 431 [VDP], 0103 physical sciences, 010306 general physics, Bar (unit)
Abstract: A study of the two-body decays B±→XccK±, where Xcc refers to one charmonium state, is reported by the BABAR Collaboration using a data sample of 424 fb-1. The absolute determination of branching fractions for these decays are significantly improved compared to previous BABAR measurements. Evidence is found for the decay B+→X(3872)K+ at the 3σ level. The absolute branching fraction B[B+→X(3872)K+]=[2.1±0.6(stat)±0.3(syst)]×10-4 is measured for the first time. It follows that B[X(3872)→J/ψπ+π-]=(4.1±1.3)%, supporting the hypothesis of a molecular component for this resonance., This work is supported by the U.S. Department of Energy and National Science Foundation, the Natural Sciences and Engineering Research Council (Canada), Institute of High Energy Physics (China), the Commissariat `a l’Energie Atomique and Institut National de Physique Nucl´eaire et de Physique des Particules (France), the Bundesministerium für Bildung und Forschung and Deutsche Forschungsgemeinschaft (Germany), the Istituto Nazionale di Fisica Nucleare (Italy), the Foundation for Fundamental Research on Matter (The Netherlands), the Research Council of Norway, the Ministry of Science and Technology of the Russian Federation, and the Particle Physics and Astronomy Research Council (United Kingdom). Individuals have received support from CONACyT (Mexico), the A. P. Sloan Foundation, the Research Corporation, and the Alexander von Humboldt Foundation.
Published: 2020

2. Study of charmless hadronic B meson decays to pseudoscalar-vector final states

Author: T. O. Meyer, H. P. Paar, L. P. Perera, D. L. Kreinick, James G. Smith, Y. Kwon, V. Savinov, J. R. Patterson, M.A. Palmer, D. Z. Besson, W. T. Ford, A. I. Rubiera, R. D. Kass, T. E. Browder, Yurii Maravin, A. Shapiro, K. K. Gan, D. E. Jaffe, E. Nordberg, B. H. Behrens, Sheldon Stone, D. Riley, Paul Avery, D. L. Hartill, R. Poling, A. Wolf, J. J. Thaler, E. von Toerne, K. Honscheid, J. J. O'Neill, G. C. Moneti, John Yelton, R. Mahapatra, V. Pavlunin, A. D. Foland, P. G. Thies, A. J. Weinstein, T. Bergfeld, Karl Berkelman, R. M. Hans, M. Saleem, C. Bebek, C. Plager, S. Anderson, Tomasz Skwarnicki, S. Ahmed, J. E. Duboscq, K. W. Edwards, R. Godang, M. Schmidtler, A. Magerkurth, H. Marsiske, E. I. Shibata, M. L. Perl, H. N. Nelson, S. B. Athar, J. Urheim, T. Wlodek, Shuai Chen, A. Anastassov, R. Davis, F. Blanc, G. E. Gladding, S. J. Richichi, F. R. Wappler, R. Baker, Ian Shipsey, Andreas Warburton, Yuichi Kubota, J. B. Thayer, E. Ling, J. Zheng, J. Williams, E. Johnson, George D Gollin, Xingjiang Zhou, P. S. Drell, V. Fadeyev, R. Mountain, Z. Xu, R. J. Morrison, Mats A Selen, G. Masek, S. Schrenk, I. Danko, Sz Márka, J. Fast, A. J. Sadoff, A. H. Mahmood, B. Valant-Spaight, Vivek Sharma, C. D. Jones, X. Zhao, H. Yamamoto, H. Schwarthoff, K. M. Ecklund, A. L. Lyon, M. Dickson, T. K. Pedlar, D. M. Asner, Horst Severini, Y. Li, C. Gwon, M. Lohner, A. Smith, F. Würthwein, B. E. Berger, P. M. Patel, C. P. Jessop, S. Prell, C. Sedlack, Jiejun Wu, K. Bukin, G. J. Zhou, A. Undrus, D. G. Cassel, Harris Kagan, T. Hart, P. Skubic, J. G. Thayer, M. M. Zoeller, D. Hufnagel, C.Y. Prescott, I. Karliner, Y. S. Gao, L. Jian, E. H. Thorndike, L. K. Gibbons, V. V. Frolov, Jianqiao Ye, S.C. Timm, Richard Wilson, A. Gritsan, N. Menon, J. Ernst, B. I. Eisenstein, D. Cinabro, Marina Artuso, T. Riehle, T. S. Hill, R. Ehrlich, B. K. Heltsley, I. Narsky, C. Boulahouache, G. Bonvicini, J. P. Alexander, T. E. Coan, E. Lipeles, S. J. Lee, S. McGee, B. Gittelman, Sacha E Kopp, M. S. Alam, D. Ugolini, S. W. Gray, S. Karamov, Daniel P Cronin-Hennessy, D. Y.J. Kim, R. A. Briere, N. Kwak, J. Roy, W. M. Sun, Ryszard Stroynowski, J. W. Hinson, R. Ammar, I. C. Lai, M. A. Marsh, E. Dambasuren, Jing Wang, G. Majumder, A. Ershov, D. H. Miller, P. Gaidarev, J. L. Rodriguez, G. Viehhauser, N. B. Mistry, D. Peterson, K. W. McLean, S. E. Csorna, K. Kinoshita, G. W. Brandenburg, R. Ayad, E. M. Potter, P. I. Hopman, R. Janicek, S. Schuh, Alice Bean, Jason Sang Hun Lee, V. Boisvert, and A. Eppich
Subjects: Physics, Particle physics, 010308 nuclear & particles physics, Branching fraction, Electron–positron annihilation, Hadron, General Physics and Astronomy, FOS: Physical sciences, 01 natural sciences, Omega, Pseudoscalar meson, High Energy Physics - Experiment, 3. Good health, Pseudoscalar, Nuclear physics, High Energy Physics - Experiment (hep-ex), 0103 physical sciences, B meson, Vector meson, 010306 general physics
Abstract: We report results of searches for charmless hadronic B meson decays to pseudoscalar(pi^+-,K^+-,Pi^0 or Ks^0)-vector(Rho, K* or Omega) final states. Using 9.7 million BBbar pairs collected with the CLEO detector, we report first observation of B^- --> Pi^-Rho^0, B^0 --> Pi^+-Rho^-+ and B^- --> Pi^-Omega, which are expected to be dominated by hadronic b --> u transitions. The measured branching fractions are (10.4+3.3-3.4+-2.1)x10^-6, (27.6+8.4-7.4+-4.2)x10^-6 and (11.3+3.3-2.9+-1.4)x10^-6, respectively. Branching fraction upper limits are set for all the other decay modes investigated., 10 pages postscript, also available through http://w4.lns.cornell.edu/public/CLNS
Published: 2016

3. Hadronic mass moments in inclusive semileptonic B meson decays

Author: D. Cronin-Hennessy, A. L. Lyon, S. Roberts, E. H. Thorndike, T. E. Coan, V. Fadeyev, Y. S. Gao, Y. Maravin, I. Narsky, R. Stroynowski, J. Ye, T. Wlodek, M. Artuso, K. Benslama, C. Boulahouache, K. Bukin, E. Dambasuren, G. Majumder, R. Mountain, T. Skwarnicki, S. Stone, J. C. Wang, A. Wolf, S. Kopp, M. Kostin, A. H. Mahmood, S. E. Csorna, I. Danko, K. W. McLean, Z. Xu, R. Godang, G. Bonvicini, D. Cinabro, M. Dubrovin, S. McGee, G. J. Zhou, A. Bornheim, E. Lipeles, S. P. Pappas, A. Shapiro, W. M. Sun, A. J. Weinstein, D. E. Jaffe, R. Mahapatra, G. Masek, H. P. Paar, D. M. Asner, A. Eppich, T. S. Hill, R. J. Morrison, R. A. Briere, G. P. Chen, T. Ferguson, H. Vogel, J. P. Alexander, C. Bebek, B. E. Berger, K. Berkelman, F. Blanc, V. Boisvert, D. G. Cassel, P. S. Drell, J. E. Duboscq, K. M. Ecklund, R. Ehrlich, P. Gaidarev, L. Gibbons, B. Gittelman, S. W. Gray, D. L. Hartill, B. K. Heltsley, L. Hsu, C. D. Jones, J. Kandaswamy, D. L. Kreinick, M. Lohner, A. Magerkurth, T. O. Meyer, N. B. Mistry, E. Nordberg, M. Palmer, J. R. Patterson, D. Peterson, D. Riley, A. Romano, H. Schwarthoff, J. G. Thayer, D. Urner, B. Valant-Spaight, G. Viehhauser, A. Warburton, P. Avery, C. Prescott, A. I. Rubiera, H. Stoeck, J. Yelton, G. Brandenburg, A. Ershov, D. Y.-J. Kim, R. Wilson, T. Bergfeld, B. I. Eisenstein, J. Ernst, G. E. Gladding, G. D. Gollin, R. M. Hans, E. Johnson, I. Karliner, M. A. Marsh, C. Plager, C. Sedlack, M. Selen, J. J. Thaler, J. Williams, K. W. Edwards, A. J. Sadoff, R. Ammar, A. Bean, D. Besson, X. Zhao, S. Anderson, V. V. Frolov, Y. Kubota, S. J. Lee, R. Poling, A. Smith, C. J. Stepaniak, J. Urheim, S. Ahmed, M. S. Alam, S. B. Athar, L. Jian, L. Ling, M. Saleem, S. Timm, F. Wappler, A. Anastassov, E. Eckhart, K. K. Gan, C. Gwon, T. Hart, K. Honscheid, D. Hufnagel, H. Kagan, R. Kass, T. K. Pedlar, J. B. Thayer, E. von Toerne, M. M. Zoeller, S. J. Richichi, H. Severini, P. Skubic, A. Undrus, V. Savinov, S. Chen, J. W. Hinson, J. Lee, D. H. Miller, V. Pavlunin, E. I. Shibata, and I. P. J. Shipsey
Subjects: Physics, Particle physics, Electron–positron annihilation, Hadron, High Energy Physics::Phenomenology, General Physics and Astronomy, FOS: Physical sciences, Photon energy, Lambda, High Energy Physics - Experiment, Nuclear physics, Renormalization, High Energy Physics - Experiment (hep-ex), D meson, B meson, High Energy Physics::Experiment, Nuclear Experiment, Lepton
Abstract: We have measured the first and second moments of the hadronic mass-squared distribution in B -> X_c l nu, for P(lepton) > 1.5 GeV/c. We find = 0.251 +- 0.066 GeV^2, < (M_X^2 -)^2 > = 0.576 +- 0.170 GeV^4, where M_D[Bar] is the spin-averaged D meson mass. From that first moment and the first moment of the photon energy spectrum in b -> s gamma, we find the HQET parameter lambda_1 (MS[Bar], to order 1/M^3 and beta_0 alpha_s^2) to be -0.24 +- 0.11 GeV^2. Using these first moments and the B semileptonic width, and assuming parton-hadron duality, we obtain |V_cb| = 0.0404 +- 0.0013., Comment: 11 pages postscript, also available through http://w4.lns.cornell.edu/public/CLNS, submitted to PRL
Published: 2016

4. Search for the radiative decay B0→γ

Author: A. B. Breon, R. G. Jacobsen, V. B. Koptchev, S. Ahmed, D. Gamba, J. L. Ritchie, I. Kitayama, S. E. Morgan, T. B. Moore, S. Schrenk, M. Dickopp, M. Legendre, P. C. Bloom, H. K. Hadavand, E. Chen, Q. H. Guo, B. Stugu, D. Dujmic, G. Marchiori, S. H. Robertson, N. S. Knecht, V. B. Golubev, G. Therin, P. Kim, Ch Yèche, F. Bucci, Paul Kyberd, M. M. Macri, G. Kukartsev, P. F. Giraud, J. C. Dingfelder, J. W. Berryhill, S. J. Sekula, A. Jawahery, S. D. Foulkes, G. P. Taylor, Herbert Koch, Maurizio Pierini, V. Halyo, R. Capra, R. N. Cahn, Maria Roberta Monge, G. Cibinetto, Peter Elmer, G. Wagner, L. Gladney, J. Schwiening, R. Faccini, N. De Groot, F. Ferrarotto, A. J. Lankford, F. Le Diberder, A. Mihalyi, Pierluigi Paolucci, N. Danielson, F. Galeazzi, Marcella Bona, J. D. Richman, M. J.J. John, R. Aleksan, E. Paoloni, P. Spradlin, R. Contri, G. W. Morton, M. H. Schune, U. Uwer, T. Brandt, R. Stroili, H. A. Neal, A. Roodman, T. J. Orimoto, D. Fortin, C. H. Cheng, A. Höcker, Liliana Teodorescu, X. C. Lou, J. J. Walsh, J. Marks, K. K. Gan, X. R. Chen, G. A. Cowan, S. Ricciardi, M. Lu, G. De Nardo, F. Simonetto, R. H. Schindler, Marcello Rotondo, Alexis Pompili, Tetiana Hryn'ova, A. P. Onuchin, H. U. Flaecher, A. Zghiche, A. M. Eichenbaum, C. K. Lae, M. T. Ronan, S. Otto, A. Chen, A. Ryd, R. Liu, A. Zallo, J. R. Fry, R. J. Wilson, L. M. Cremaldi, G. Rizzo, C. Lu, D. Judd, V. Lepeltier, B. A. Petersen, J. A. McKenna, F. Couderc, C. L. Brown, Bruce Schumm, F. Colecchia, R. Bartoldus, K. T. Flood, John Allison, Zongfu Yu, M. J. Charles, D. Côté, Shanhui Fan, Lijun Zhang, C. A. Heusch, P. Patteri, J. W. Lamsa, R. de Sangro, J. Brose, D. del Re, T. Pulliam, Roland Waldi, F. Ferroni, J. Schubert, Davide Piccolo, S. Saremi, M. Benayoun, S. L. Wu, W. Kozanecki, L. Del Buono, Roberto Calabrese, B. C. Shen, S. Brunet, A. Satpathy, A. Lu, A. J. Hart, L. Bosisio, A. Calcaterra, D. G. Hitlin, P. Rankin, S. Bailey, H. Marsiske, O. Hamon, J. A. Nash, M. Lo Vetere, Francesco Polci, R. Kroeger, A. W. Weidemann, C. Voci, H. L. Snoek, R. Eckmann, I. M. Peruzzi, W. H. Toki, S. Ye, T. C. Petersen, R. Ter-Antonyan, Eleonora Luppi, J. P. Lees, Te Latham, H. J. Bulten, M. Pelizaeus, Crisostomo Sciacca, D. Aston, H. Schröder, F. Bellini, S. Luitz, V. E. Ozcan, A. N. Yushkov, Yuehong Xie, D. Boutigny, J. Ocariz, Nicola Neri, A. T. Watson, D. A. Bowerman, D. C. Williams, J. M. Roney, M. K. Sullivan, E. Treadwell, T. Schalk, V. Miftakov, Y. P. Lau, Justin Albert, Paul Fraser Harrison, Mauro Morandin, M. Fritsch, S. S. Hertzbach, A. Lazzaro, D. Su, Sai-Juan Chen, T. Cuhadar-Donszelmann, M. G. Greene, A. D'Orazio, M. Chao, B. Spaan, S. Jayatilleke, Julie Malcles, V. Poireau, K. A. Ulmer, C. Hearty, A. M. Lutz, A. J.S. Smith, H. Briand, A. M. Eisner, Hui Li, M. A. Mazzoni, G. Wormser, C. Gatto, Y. Groysman, F. Blanc, C. Touramanis, Luca Lista, J. M. Thompson, M. Bruinsma, W. J. Wisniewski, A. Soha, L. Wilden, M. Piccolo, M. T. Allen, G. Lynch, E. A. Eckhart, C. Roat, A. J. Bevan, F. Muheim, James R. Wilson, M. G. Wilson, M. Steinke, D. J. Summers, M. Pripstein, A. W. Borgland, D. A. Roberts, F. E. Taylor, Sergio Grancagnolo, A. Petzold, G. Hamel de Monchenault, R. S. Panvini, P. M. Patel, T. Schroeder, M. C. Hodgkinson, G. Grosdidier, J. E. Sundermann, Markus Cristinziani, Stephen Robert Wagner, J.H. Panetta, Mohamed H. Ahmed, G. Batignani, N. Cavallo, L. Lanceri, E. Grauges-Pous, Stéphane Plaszczynski, D. S. Best, M. L. Kocian, T. Held, K. E. Ford, M. T. Graham, T. J. Harrison, J. W. Gary, G. Benelli, E. O. Olaiya, L. M. Mir, T. R. McMahon, T. Piatenko, W. D. Hulsbergen, M. V. Purohit, S. Yang, W. Dunwoodie, E. I. Rosenberg, C. T. Day, Brandon L. Hartfiel, M. C. Simani, Francesco Fabozzi, K. R. Schubert, G. Vasileiadis, R. J. Sobie, F. Anulli, A. Perazzo, C. Voena, L. Vitale, S. Passaggio, F. X. Yumiceva, M. Mandelkern, U. Langenegger, G. W. Brandenburg, H. Kagan, W. A. Wenzel, J. Va'vra, F. Martinez-Vidal, Dominik Müller, D. P. Stoker, Nicolas Berger, T. Glanzman, Matteo Rama, M. A. Saeed, N. R. Barlow, F. Palombo, B. Franek, M. Wittgen, Vivek Sharma, S. Dittongo, N. A. Roe, G. P. Dubois-Felsmann, R. C. Field, F. Salvatore, M. Carpinelli, Lydia Roos, G. Finocchiaro, V. Luth, G. Blaylock, M. Morganti, S. Prell, G. Eigen, F. Safai Tehrani, R. F. Schwitters, Q. K. Wong, J.J. Reidy, S. M. Spanier, D. B. MacFarlane, S. Playfer, James D. Olsen, C. P. O'Grady, R. R. Kofler, C. T. Potter, M. Krishnamurthy, A. V. Gritsan, Mario Giorgi, Jie Zhang, R. Claus, Akram Khan, James H Cochran, Matteo Negrini, J. G. Smith, R. S. Dubitzky, J. Stelzer, R. Godang, M. S. Alam, B. Lewandowski, A. Snyder, M. S. Gill, L. T. Kerth, M. A. Baak, M. Pioppi, D. E. Wagoner, A. Soffer, W. O. Ruddick, J. M. LoSecco, A. V. Telnov, H. M. Lacker, H. L. Lynch, S. Morganti, Sridhara Dasu, K. Koeneke, Gabriele Simi, Roberto Covarelli, R. W. Kadel, B. Cheng, V. E. Blinov, A. Palano, M. P. Kelly, B. T. Meadows, F. Gallo, G. Raven, C. L. Davis, J. I. Yi, P. D. Jackson, R. L. Flack, R. K. Yamamoto, M. Barrett, D. M. Strom, N. B. Sinev, K. S. Chaisanguanthum, H. P. Paar, S. A. Majewski, J. E. Brau, M. D. Sokoloff, C. M. Brown, M. Saleem, P. R. Burchat, R. Gamet, E. Charles, Fabio Cossutti, M. G. Green, D. Bettoni, Yu I. Skovpen, X. Giroux, T. W. Beck, Y. Karyotakis, P. Grenier, D. E. Hutchcroft, J. M. Bauer, C. Dallapiccola, Ch De La Vaissière, J. J. Hollar, S. F. Ganzhur, H. R. Band, M. Haire, J. C. Williams, J. Kroseberg, G. Cavoto, M. Davier, T. M. Hong, R. Messner, G. Rong, V. N. Ivanchenko, V. Lombardo, M. B. Nikolich, V. Eschenburg, W. S. Lockman, C. M. Hawkes, G. Vuagnin, B. N. Ratcliff, Colin Jessop, R. Prepost, R. Nogowski, D. W. G. S. Leith, W. N. Cottingham, T. S. Mattison, D. A. Sanders, G. Schott, N. D. Qi, P. Tan, Alessio Sarti, Amir Farbin, F. Di Lodovico, B. Dahmes, J. Libby, P. Taras, E. P. Solodov, C. D. Buchanan, A. A. Salnikov, R. Schwierz, U. Egede, C. Hast, D. J. Lange, Yu. G. Kolomensky, Q. L. Zeng, G. Piredda, A. Dvoretskii, J. C. Chen, Bernard Aubert, K. Wang, G. Calderini, M. Zito, M. R. Convery, G. Sciolla, S. I. Serednyakov, F. Bianchi, E. Feltresi, D. D. Brown, A. E. Rubin, M. Morii, D. J. Payne, M. Gaspero, A. E. Blinov, A. Olivas, C. C. Young, G. Nesom, Douglas Wright, W. T. Meyer, I. J. Forster, F. R. Wappler, U. Nauenberg, Sh. Rahatlou, M. L. Perl, J. P. Coleman, E. A. Kravchenko, M. Weaver, J. T. Boyd, P. J. Oddone, I. Eschrich, R. Baldini-Ferroli, Joseph Izen, Claudio Campagnari, W. Bhimji, D. Kirkby, G. Vasseur, D. Hufnagel, M. A. Winter, M. Verderi, D. J. Bard, T. Hadig, J. H. von Wimmersperg-Toeller, G. Crosetti, Enrico Robutti, U. Mallik, F. Forti, Pu Wang, A. Samuel, C. Cartaro, Silvano Tosi, W. M. Bugg, D. Kovalskyi, Alberto Lusiani, Fergus Wilson, P. Poropat, Janice Button-Shafer, G. R. Bonneaud, J. Dorfan, A. M. Boyarski, E. J. Hill, P. S. Jackson, P. E. Kutter, P. K. Behera, T. Allmendinger, Ph Leruste, N. Arnaud, D. D. Altenburg, B. Mayer, A. K. Yarritu, A. M. Rahimi, S. Christ, G. S. Abrams, D. N. Brown, G. D. Lafferty, A. Gaidot, G. P. Gopal, Amanda Weinstein, S. Emery, R. Frey, M. H. Kelsey, T. Abe, M. Bondioli, J. R. Johnson, J. Strube, R. Cowan, I. Narsky, D. Monorchio, S. Willocq, H. W. Zhao, G. Della Ricca, D. Thiessen, P. D. Dauncey, G. J. Grenier, Mirco Andreotti, Y. B. Pan, R. Kowalewski, Corrado Angelini, B. Bhuyan, O. L. Buchmueller, V. P. Druzhinin, C. Bozzi, K. Honscheid, C. A. Chavez, A. Buzzo, I. Ofte, R. J. Barlow, N. Chevalier, M. Posocco, Maurizio Biasini, Owen Rosser Long, A. Seiden, G. B. Mohanty, J. A. Ernst, M. Datta, Wouter Verkerke, J. J. Back, Ch Thiebaux, H. Staengle, L. Li Gioi, Olga Igonkina, W. T. Ford, Tim Adye, R. D. Kass, A. J. Edwards, Hyun-Chul Kim, A. Hauke, H. Nicholson, Martino Margoni, G. Mancinelli, K. Goetzen, J. L. Harton, E. Torrence, P. David, A. Santroni, Virginia Azzolini, S. J. Gowdy, V. Lillard, R. Barate, Sw. Banerjee, H. B. Crawley, P. J. Clark, R. K. Mommsen, J. Chauveau, C. M. Cormack, Denis Bernard, J. A. Kadyk, Chunhui Chen, D. Dong, E. Won, Y. S. Zhu, J. R. Gaillard, K. Paick, A. Dorigo, JunJie Wu, M. A. Mazur, R. J. Parry, E. Di Marco, D. H. Wright, C. Patrignani, A. Cunha, V. Tisserand, W. Roethel, L. Piemontese, E. Gabathuler, W. R. Innes, F. C. Porter, S. Bettarini, G. W. London, Aubert, B, Barate, R., Boutigny, D., Couderc, F., Karyotakis, Y., Lees, J.P., Poireau, V., Tisserand, V., Zghiche, A., Grauges-Pous, E., Palano, A., Pompili, A., Chen, J.C., Qi, N.D., Rong, G., Wang, P., Zhu, Y.S., Eigen, G., Ofte, I., Stugu, B., Abrams, G.S., Borgland, A.W., Breon, A.B., Brown, D.N., Button-Shafer, J., Cahn, R.N., Charles, E., Day, C.T., Gill, M.S., Gritsan, A.V., Groysman, Y., Jacobsen, R.G., Kadel, R.W., Kadyk, J., Kerth, L.T., Kolomensky, Yu.G., Kukartsev, G., Lynch, G., Mir, L.M., Oddone, P.J., Orimoto, T.J., Pripstein, M., Roe, N.A., Ronan, M.T., Wenzel, W.A., Barrett, M., Ford, K.E., Harrison, T.J., Hart, A.J., Hawkes, C.M., Morgan, S.E., Watson, A.T., Fritsch, M., Goetzen, K., Held, T., Koch, H., Lewandowski, B., Pelizaeus, M., Schroeder, T., Steinke, M., Boyd, J.T., Chevalier, N., Cottingham, W.N., Kelly, M.P., Latham, T.E., Wilson, F.F., Cuhadar-Donszelmann, T., Hearty, C., Knecht, N.S., Mattison, T.S., Mckenna, J.A., Thiessen, D., Khan, A., Kyberd, P., Teodorescu, L., Blinov, A.E., Blinov, V.E., Druzhinin, V.P., Golubev, V.B., Ivanchenko, V.N., Kravchenko, E.A., Onuchin, A.P., Serednyakov, S.I., Skovpen, Yu.I., Solodov, E.P., Yushkov, A.N., Best, D., Bruinsma, M., Chao, M., Eschrich, I., Kirkby, D., Lankford, A.J., Mandelkern, M., Mommsen, R.K., Roethel, W., Stoker, D.P., Buchanan, C., Hartfiel, B.L., Weinstein, A.J.R., Foulkes, S.D., Gary, J.W., Long, O., Shen, B.C., Wang, K., Del Re, D., Hadavand, H.K., Hill, E.J., Macfarlane, D.B., Paar, H.P., Rahatlou, Sh., Sharma, V., Berryhill, J.W., Campagnari, C., Cunha, A., Dahmes, B., Hong, T.M., Lu, A., Mazur, M.A., Richman, J.D., Verkerke, W., Beck, T.W., Eisner, A.M., Heusch, C.A., Kroseberg, J., Lockman, W.S., Nesom, G., Schalk, T., Schumm, B.A., Seiden, A., Spradlin, P., Williams, D.C., Wilson, M.G., Albert, J., Chen, E., Dubois-Felsmann, G.P., Dvoretskii, A., Hitlin, D.G., Narsky, I., Piatenko, T., Porter, F.C., Ryd, A., Samuel, A., Yang, S., Jayatilleke, S., Mancinelli, G., Meadows, B.T., Sokoloff, M.D., Blanc, F., Bloom, P., Chen, S., Ford, W.T., Nauenberg, U., Olivas, A., Rankin, P., Ruddick, W.O., Smith, J.G., Ulmer, K.A., Zhang, J., Zhang, L., Chen, A., Eckhart, E.A., Harton, J.L., Soffer, A., Toki, W.H., Wilson, R.J., Zeng, Q., Spaan, B., Altenburg, D., Brandt, T., Brose, J., Dickopp, M., Feltresi, E., Hauke, A., Lacker, H.M., Nogowski, R., Otto, S., Petzold, A., Schubert, J., Schubert, K.R., Schwierz, R., Sundermann, J.E., Bernard, D., Bonneaud, G.R., Grenier, P., Schrenk, S., Thiebaux, Ch., Vasileiadis, G., Verderi, M., Bard, D.J., Clark, P.J., Muheim, F., Playfer, S., Xie, Y., Andreotti, M., Azzolini, V., Bettoni, D., Bozzi, C., Calabrese, R., Cibinetto, G., Luppi, E., Negrini, M., Piemontese, L., Sarti, A., Treadwell, E., Anulli, F., Baldini-Ferroli, R., Calcaterra, A., De Sangro, R., Finocchiaro, G., Patteri, P., Peruzzi, I.M., Piccolo, M., Zallo, A., Buzzo, A., Capra, R., Contri, R., Crosetti, G., Lo Vetere, M., Macri, M., Monge, M.R., 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Neal, H
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Photon, Annihilation, 010308 nuclear & particles physics, Branching fraction, Electron–positron annihilation, Detector, BABAR detector, 01 natural sciences, Particle identification, HEP, Nuclear physics, 0103 physical sciences, BaBar, CP violation, 010306 general physics, Storage ring
Abstract: We perform a search for the exclusive radiative decay B0→γ, which is dominated by b̄d annihilation, in a sample of 124×106 BB̄ events collected with the BABAR detector at the PEP-II asymmetric-energy e+e- storage ring at SLAC. No significant signal is seen. We set an upper limit on the branching fraction of B(B0→γ)
Published: 2016

5. Improved measurement of the pseudoscalar decay constant f(D-s)

Author: M. Chada, J. Zheng, D. H. Miller, D. He, P. Gaidarev, A. Wolf, H. Kagan, P. C. Kim, D. L. Kreinick, C. Bebek, G. Masek, Juliet Ritchie Patterson, M.A. Palmer, Vivek Sharma, A. Smith, T. E. Browder, S. B. Athar, Xingjiang Zhou, S. Roberts, J. J. O'Neill, Horst Severini, J. Urheim, P. Skubic, R. Godang, R. J. Morrison, Mats A Selen, K. W. Edwards, R. A. Briere, A. J. Sadoff, S. E. Csorna, D. Riley, A. Undrus, H. Yamamoto, L. P. Perera, T. K. Nelson, M. Dickson, G. C. Moneti, M. M. Zoeller, G. J. Zhou, J. Roy, M. Yurko, K. Kinoshita, M. B. Spencer, P. S. Drell, T. Lee, M. Schmidtler, Anders Ryd, Ryszard Stroynowski, G. W. Brandenburg, G. E. Gladding, J. Bartelt, Philip Baringer, T. Bergfeld, I. Narsky, Sz Márka, K. Lingel, D. W. Bliss, Y. Kwon, V. Savinov, Xiangjun Xing, D. L. Hartill, K. M. Ecklund, R. Poling, J. Ernst, M. L. Perl, D. Cinabro, B. Nemati, D. Z. Besson, H. Marsiske, Yuichi Kubota, B. Gittelman, S. Patton, C. R. Ng, C. Darling, Richard L. Greene, E. H. Thorndike, E. I. Shibata, K. K. Gan, A. Anastassov, I. Korolkov, R. M. Hans, B. K. Heltsley, J. S. Miller, S. J. Lee, B. H. Behrens, John Yelton, G. D. Gollin, Richard Wilson, L. K. Gibbons, V. Fadeyev, R. Baker, Y. S. Gao, D. Coppage, G. Bonvicini, J. P. Alexander, E. Johnson, J. Fast, A. D. Foland, J. Kandaswamy, H. P. Paar, S. Glenn, P. I. Hopman, M. Sung, R. Mountain, N. Kwak, M. Bishai, B. Valant-Spaight, D. Roberts, M. Ogg, S. Kotov, P. Pomianowski, A. H. Mahmood, R. Janicek, T. S. Hill, R. Ehrlich, J. Staeck, A. Soffer, Karl Berkelman, S. Anderson, C.Y. Prescott, E. Nordberg, A. Efimov, Alain Bellerive, S. Schuh, Harold S. Park, Alice Bean, J. J. Thaler, D. M. Asner, C. Ward, Y. Li, D. S. Crowcroft, V. Boisvert, D. B. MacFarlane, A. J. Weinstein, P. M. Patel, Tomasz Skwarnicki, J. Gronberg, M. Athanas, Jianqiao Ye, L. Zhou, S.C. Timm, Kenneth Bloom, Ilya Kravchenko, H. N. Nelson, C. D. Jones, M. Lohner, Jungil Lee, S. J. Richichi, V. Shelkov, G. Eigen, N. Menon, K. Honscheid, Dj Lange, D. Peterson, J. W. Hinson, K. W. McLean, Sacha E Kopp, M. S. Alam, F. R. Wappler, J. E. Duboscq, D. G. Cassel, Yurii Maravin, S. Schrenk, Yanwen Liu, J. G. Smith, C. P. Jessop, S. D. Johnson, S. Prell, T. Hart, S. von Dombrowski, T. Riehle, I. Karliner, J. L. Rodriguez, D. Ugolini, S. W. Gray, B. I. Eisenstein, Frank Würthwein, G. Viehhauser, N. B. Mistry, W. R. Ross, I. Volobouev, A. Ershov, R. Davis, Sheldon Stone, Paul Avery, Z. Ling, W. T. Ford, R. D. Kass, R. Balest, I. P.J. Shipsey, Marina Artuso, D. Y.J. Kim, D. Fujino, B. E. Berger, R. Ammar, T. E. Coan, I. C. Lai, S. Chan, M. Goldberg, C. O'Grady, M. A. Marsh, R. Wang, Vivek Jain, and F. Azfar
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, 010308 nuclear & particles physics, FOS: Physical sciences, 01 natural sciences, High Energy Physics - Experiment, Pseudoscalar, Nuclear physics, High Energy Physics - Experiment (hep-ex), Particle decay, 0103 physical sciences, Exponential decay, Neutrino, 010306 general physics, GeneralLiterature_REFERENCE(e.g.,dictionaries,encyclopedias,glossaries)
Abstract: We present a new determination of the Ds decay constant, f_{Ds} using 5 million continuum charm events obtained with the CLEO II detector. Our value is derived from our new measured ratio of widths for Ds -> mu nu/Ds -> phi pi of 0.173+/- 0.021 +/- 0.031. Taking the branching ratio for Ds -> phi pi as (3.6 +/- 0.9)% from the PDG, we extract f_{Ds} = (280 +/- 17 +/- 25 +/- 34){MeV}. We compare this result with various model calculations., 23 page postscript file, postscript file also available through http://w4.lns.cornell.edu/public/CLNS
Published: 2016

6. Search for flavor-changing neutral current and lepton-flavor violating decays of D-0 -> l(+)l(-)

Author: B. C. Shen, Corrado Angelini, J. Ocariz, R. Bartoldus, N. A. Roe, Douglas Wright, O. L. Buchmueller, I. J. Forster, D. E. Hutchcroft, J. M. Bauer, C. Dallapiccola, V. P. Druzhinin, C. Bozzi, J. J. Hollar, H. R. Band, K. Honscheid, C. A. Chavez, Zongfu Yu, J. W. Gary, J. Va'vra, M. J. Charles, A. Buzzo, J. L. Ritchie, J. Chauveau, I. Kitayama, S. I. Serednyakov, R. J. Barlow, I. M. Peruzzi, D. J. Bard, W. S. Lockman, D. del Re, N. Chevalier, M. Posocco, J.J. Reidy, C. M. Cormack, R. Frey, H. K. Hadavand, Q. L. Zeng, L. Tantot, M. H. Kelsey, S. Ricciardi, Tetiana Hryn'ova, J. H. von Wimmersperg-Toeller, P. Grenier, T. Abe, R. S. Dubitzky, M. Bondioli, J. R. Johnson, A. V. Telnov, P. J. Clark, J. A. Nash, M. R. Convery, Bruce Schumm, P. Patteri, T. W. Beck, M. Lo Vetere, R. K. Mommsen, F. Bianchi, Maurizio Biasini, V. B. Golubev, J. M. LoSecco, G. Therin, G. Schott, E. Feltresi, D. D. Brown, A. Lu, Owen Rosser Long, A. Seiden, S. Willocq, G. Della Ricca, D. Thiessen, Y. B. Pan, R. Kowalewski, J. W. Berryhill, A. E. Rubin, I. Ofte, G. B. Mohanty, J. A. Ernst, M. Pivk, A. Zallo, Chunhui Chen, N. B. Sinev, M. Datta, S. Saremi, J. Brose, Wouter Verkerke, A. Calcaterra, A. J. Lyon, C. Hearty, Maurizio Pierini, J. J. Back, C. Thiebaux, M. Pelizaeus, H. Staengle, Julie Malcles, A. M. Eisner, A. J. Hart, G. W. London, K. Paick, F. Couderc, F. Colecchia, D. Monorchio, M. Carpinelli, D. Hufnagel, Hui Li, A. Dorigo, JunJie Wu, Lydia Roos, M. Morganti, R. Contri, H. L. Snoek, M. A. Mazur, R. J. Parry, C. Roat, Pierluigi Paolucci, F. Bellini, D. P. Stoker, D. J. Summers, O. Hamon, D. Dong, H. W. Zhao, G. Rong, Sergio Grancagnolo, A. Petzold, G. Hamel de Monchenault, L. Bosisio, M. Pripstein, P. D. Dauncey, G. J. Grenier, C. K. Lae, R. C. Field, E. Won, Andrei Gritsan, J. M. Roney, D. H. Wright, K. T. Flood, G. Rizzo, Yuehong Xie, Mirco Andreotti, V. Miftakov, P. A. Hart, C. Patrignani, R. Claus, Matteo Negrini, Eleonora Luppi, N. Danielson, F. Galeazzi, M. L. Perl, E. O. Olaiya, M. A. Saeed, Luca Lista, R. S. Panvini, Mauro Morandin, Y. P. Lau, K. K. Gan, J. Button-Shafer, W. D. Hulsbergen, N. R. Barlow, M. K. Sullivan, J. R. Gaillard, E. Treadwell, M. G. Greene, R. J. Sobie, A. W. Weidemann, S. J. Gowdy, A. Perazzo, C. Voena, V. Lillard, L. Vitale, C. De La Vaissiere, V. Lepeltier, A. J.S. Smith, F. Salvatore, C. M. Hawkes, F. Martinez-Vidal, G. Finocchiaro, Dominik Müller, A. J. Bevan, F. Muheim, Justin Albert, D. J.J. Mangeol, P. D. Jackson, R. L. Flack, F. Palombo, Vivek Sharma, M. Benayoun, M. V. Purohit, V. Luth, James D. Olsen, J. G. Smith, G. Vasileiadis, S. Jayatilleke, G. Kukartsev, V. N. Ivanchenko, N. D. Qi, Nicolas Berger, T. Schalk, B. Lewandowski, H. P. Paar, J. E. Brau, F. Blanc, W. A. Wenzel, H. J. Bulten, Sw. Banerjee, W. M. Bugg, D. Kovalskyi, M. A. Mazzoni, G. Wormser, J. Stelzer, Alberto Lusiani, M. B. Nikolich, M. G. Green, D. Bernard, Ajit Mohapatra, S. M. Spanier, A. Satpathy, Q. K. Wong, X. Giroux, M. Legendre, M. Wittgen, D. Lavin, P. C. Bloom, Stephane T'Jampens, P. J. Oddone, Maria Roberta Monge, A. Mihalyi, S. E. Morgan, Y. S. Zhu, M. S. Alam, M. Davier, A. Snyder, A. Roodman, R. Liu, A. N. Yushkov, A. Lazzaro, D. Su, S. Bettarini, N. De Groot, J. A. McKenna, B. Stugu, J. M. Dorfan, F. Simonetto, T. Pulliam, R. H. Schindler, F. Bucci, M. Dickopp, H. B. Crawley, C. Gatto, R. K. Yamamoto, B. T. Meadows, G. Raven, Fergus Wilson, M. A. Winter, M. Verderi, G. Sciolla, Alessio Sarti, W. Kozanecki, Colin Jessop, R. Prepost, R. Nogowski, E. Paoloni, P. Spradlin, Amir Farbin, A. A. Salnikov, C. D. Buchanan, W. Dunwoodie, C. H. Cheng, S. Petrak, Frank E. Taylor, J. R. Fry, Roland Waldi, F. Ferroni, D. A. Bowerman, F. Brochard, M. Fritsch, S. S. Hertzbach, Y. Groysman, L. Wilden, A. Gaidot, M. T. Ronan, W. Roethel, M. C. Hodgkinson, E. I. Rosenberg, Brandon L. Hartfiel, M. C. Simani, F. Anulli, A. T. Watson, S. Dittongo, T. B. Moore, Shanhui Fan, J. Schwiening, V. Tisserand, Liliana Teodorescu, X. C. Lou, J. J. Walsh, A. M. Rahimi, J. I. Yi, M. D. Sokoloff, C. M. Brown, M. Saleem, T. Hadig, G. Crosetti, Enrico Robutti, U. Mallik, Paul Fraser Harrison, S. Christ, J. P. Lees, A. Olivas, D. N. Brown, B. Franek, R. Kroeger, M. L. Kocian, M. G. Wilson, A. Soha, A. J. Edwards, C. Cartaro, G. P. Gopal, T. Cuhadar-Donszelmann, C. Touramanis, L. Piemontese, S. H. Robertson, S. Emery, N. S. Knecht, Paul Kyberd, R. de Sangro, S. L. Wu, M. Weaver, M. Pioppi, G. S. Abrams, D. Boutigny, G. P. Dubois-Felsmann, R. Baldini-Ferroli, D. A. Roberts, G. Grosdidier, P. Poropat, P. M. Patel, I. Narsky, Ralph Müller-Pfefferkorn, M. Piccolo, B. Cheng, V. E. Blinov, E. Gabathuler, C. T. Day, S. Brunet, Stephen Robert Wagner, J.H. Panetta, W. Bhimji, D. Kirkby, G. Vasseur, T. Held, K. E. Ford, G. D. Lafferty, Marcello Rotondo, H. U. Flaecher, A. Zghiche, F. C. Porter, S. Luitz, Hyun-Chul Kim, R. J. Wilson, F. Di Lodovico, W. H. Toki, L. M. Cremaldi, Bernard Aubert, A. M. Lutz, M. T. Graham, G. Batignani, R. 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Breon, Nicola Neri, G. Eigen, J. T. Boyd, J. Libby, G. W. Brandenburg, A. W. Borgland, Joseph Izen, B. N. Ratcliff, A. J.R. Weinstein, P. S. Jackson, V. G. Shelkov, H. Koch, R. Schwierz, K. Wang, Walter R. Innes, G. W. Morton, Y. I. Skovpen, E. J. Hill, I. Eschrich, P. E. Kutter, P. K. Behera, T. Allmendinger, R. Messner, T. J. Harrison, Ph Leruste, T. I. Meyer, A. E. Blinov, H. Nicholson, C. C. Young, T. J. Orimoto, W. T. Meyer, Claudio Campagnari, V. Eschenburg, P. Taras, F. Forti, T. S. Mattison, D. A. Sanders, P. Tan, M. H. Schune, G. P. Taylor, C. Hast, D. J. Lange, G. Piredda, A. Dvoretskii, M. Morii, D. D. Altenburg, M. Gaspero, G. Nesom, F. R. Wappler, Patricia R. Burchat, B. Mayer, A. K. Yarritu, Martino Margoni, Sh. Rahatlou, J. P. Coleman, G. Tiozzo, L. Del Buono, F. Sandrelli, R. Eckmann, M. J.J. John, G. Mancinelli, T. Brandt, R. Stroili, H. A. Neal, G. De Nardo, L. M. Mir, C. Lu, D. Judd, S. Yang, K. Goetzen, Francesco Fabozzi, J. L. Harton, G. Lynch, E. Torrence, A. Ryd, P. David, E. P. Solodov, Pierre-Francois Giraud, A. Santroni, Virginia Azzolini, L. Li Gioi, John Allison, A. Hicheur, Nicola Cavallo, Olga Igonkina, P.F. Manfredi, W. T. Ford, Tim Adye, R. D. Kass, J. Schubert, Davide Piccolo, Valerio Re, Markus Cristinziani, V. E. Ozcan, F. X. Yumiceva, G. Blaylock, Yu G. Kolomensky, James R. Wilson, D. Côté, C. A. Heusch, M. Steinke, Andrew Lankford, S. Bailey, E. A. Kravchenko, H. Marsiske, C. Voci, S. F. Ganzhur, Te Latham, U. Langenegger, Crisostomo Sciacca, D. Aston, J. C. Chen, N. I. Geddes, J. M. Gaillard, Sai-Juan Chen, Peter Elmer, G. Wagner, F. Safai Tehrani, M. Bruinsma, W. J. Wisniewski, A. M. Eichenbaum, J. E. Sundermann, Lijun Zhang, S. Passaggio, M. M. Macri, S. J. Sekula, A. Jawahery, Sandrine Laplace, S. D. Foulkes, G. Cibinetto, R. J. Sloane, A. P. Onuchin, A. Chen, B. A. Petersen, C. L. Brown, M. S. Gill, E. E. Elsen, Roberto Covarelli, R. W. Kadel, A. Palano, J. Kroseberg, G. Cavoto, G. Vuagnin, P. Kim, Y. Karyotakis, R. 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Cowan, Roberto Calabrese, Computer Systems, Geometry, (Astro)-Particles Physics, Aubert, B, Barate, R., Boutigny, D., Couderc, F., Gaillard, J.-M., Hicheur, A., Karyotakis, Y., Lees, J.P., Tisserand, V., Zghiche, A., Palano, A., Pompili, A., Chen, J.C., Qi, N.D., Rong, G., Wang, P., Zhu, Y.S., Eigen, G., Ofte, I., Stugu, B., Abrams, G.S., Borgland, Aw., Breon, A.B., Brown, D.N., Button-Shafer, J., Cahn, R.N., Charles, E., Day, C.T., Gill, M.S., Gritsan, A.V., Groysman, Y., Jacobsen, R.G., Kadel, R.W., Kadyk, J., Kerth, L.T., Kolomensky, Y.G., Kukartsev, G., Lynch, G., Mir, L.M., Oddone, P.J., Orimoto, T.J., Pripstein, M., Roe, N.A., Ronan, M.T., Shelkov, V.G., Wenzel, W.A., Barrett, M., Ford, K.E., Harrison, T.J., Hart, A.J., Hawkes, C.M., Morgan, S.E., Watson, A.T., Fritsch, M., Goetzen, K., Held, T., Koch, H., Lewandowski, B., Pelizaeus, M., Steinke, M., Boyd, J.T., Chevalier, N., Cottingham, W.N., Kelly, M.P., Latham, T.E., Wilson, F.F., Cuhadar-Donszelmann, T., Hearty, C., Knecht, 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M., Macri, M., Monge, M.R., Passaggio, S., Patrignani, C., Robutti, E., Santroni, A., Tosi, S., Bailey, S., Brandenburg, G., Chaisanguanthum, K.S., Morii, M., Won, E., Dubitzky, R.S., Langenegger, U., Bhimji, W., Bowerman, D.A., Dauncey, P.D., Egede, U., Gaillard, J.R., Morton, G.W., Nash, J.A., Nikolich, M.B., Taylor, G.P., Charles, M.J., Grenier, G.J., Mallik, U., Cochran, J., Crawley, H.B., Lamsa, J., Meyer, W.T., Prell, S., Rosenberg, E.I., Rubin, A.E., Yi, J., Biasini, M., Covarelli, R., Pioppi, M., Davier, M., Giroux, X., Grosdidier, G., Höcker, A., Laplace, S., Le Diberder, F., Lepeltier, V., Lutz, A.M., Petersen, T.C., Plaszczynski, S., Schune, M.H., Tantot, L., Wormser, G., Cheng, C.H., Lange, D.J., Simani, M.C., Wright, D.M., Bevan, A.J., Chavez, C.A., Coleman, J.P., Forster, I.J., Fry, J.R., Gabathuler, E., Gamet, R., Hutchcroft, D.E., Parry, R.J., Payne, D.J., Sloane, R.J., Touramanis, C., Back, J.J., Cormack, C.M., Harrison, P.F., di Lodovico, F., Mohanty, G.B., Brown, 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Wisniewski, W, Wittgen, M, Yarritu, A, Young, C, Burchat, P, Edwards, A, Meyer, T, Petersen, B, Roat, C, Ahmed, S, Alam, M, Ernst, J, Saeed, M, Saleem, M, Wappler, F, Bugg, W, Krishnamurthy, M, Spanier, S, Eckmann, R, Kim, H, Ritchie, J, Satpathy, A, Schwitters, R, Izen, J, Kitayama, I, Lou, X, Ye, S, Bianchi, F, Bona, M, Gallo, F, Gamba, D, Bosisio, L, Cartaro, C, Cossutti, F, Della Ricca, G, Dittongo, S, Grancagnolo, S, Lanceri, L, Poropat, P, Vitale, L, Vuagnin, G, Panvini, R, Banerjee, S, Fortin, D, Kowalewski, R, Roney, J, Sobie, R, Band, H, Cheng, B, Dasu, S, Datta, M, Eichenbaum, A, Graham, M, Hollar, J, Johnson, J, Kutter, P, Li, H, Liu, R, Mihalyi, A, Mohapatra, A, Pan, Y, Prepost, R, Tan, P, von Wimmersperg Toeller, J, Wu, J, Wu, S, Yu, Z, Greene, M, and Neal, H
Subjects: Optimization, Particle physics, Lepton-flavor violating (LFV), Electron–positron annihilation, BABAR, Charged particle, General Physics and Astronomy, Standard model (SM), Lambda baryon, 01 natural sciences, PARTICLE PHYSICS, PEP2, High Energy Physics - Experiment, NO, Nuclear physics, Silicon microstrip detector, 0103 physical sciences, 010306 general physics, DETECTOR, SLAC, Flavor, Probability, Physics, Neutral current, 010308 nuclear & particles physics, Energy dissipation, Flavor-changing neutral current, Colliding beam accelerator, Microstrip device, HEP, Flavor-changing neutral current (FCNC), Drift chamber, High Energy Physics::Experiment, Particle detector, Lepton
Abstract: We report on a search for the flavor-changing neutral current decays $\Dz\to e^+e^-$ and $\Dz\to\mu^+\mu^-$, and the lepton-flavor violating decay $\Dz\to e^\pm\mu^\mp$. The measurement is based on $122 {fb}^{-1}$ of data collected by the \babar detector at the PEP-II asymmetric $e^+e^-$ collider. No evidence is found for any of the decays. The upper limits on the branching fractions, at the 90 % confidence level, are $1.2\times 10^{-6}$ for $\Dz\to e^+e^-$, $1.3\times 10^{-6}$ for $\Dz\to\mu^+\mu^-$, and $8.1\times 10^{-7}$ for $\Dz\to e^\pm\mu^\mp$., Comment: Minor changes of the text and reference for the publication
Published: 2016

7. Measurements of the mass, total width, and two-photon partial width of the eta(c) meson

Author: A. J. Weinstein, Tomasz Skwarnicki, D. L. Kreinick, P. G. Thies, S. J. Richichi, S. Schrenk, J. G. Smith, C. P. Jessop, S. Ahmed, D. Urner, E. I. Shibata, D. L. Hartill, C. J. Stepaniak, J. L. Rodriguez, Sheldon Stone, C. Plager, S. Anderson, S. Prell, G. Viehhauser, S. P. Pappas, C. Bebek, C. D. Jones, R. Davis, E. Eckhart, B. E. Berger, Paul Avery, T. E. Browder, E. Johnson, N. B. Mistry, A. Magerkurth, J. Roy, H. P. Paar, Y. S. Gao, C.Y. Prescott, T. Wlodek, D. G. Cassel, C. Sedlack, F. R. Wappler, T. Hart, W. M. Sun, Ryszard Stroynowski, T. O. Meyer, E. Dambasuren, I. Danko, J. B. Thayer, M. Dickson, P. S. Drell, Jianqiao Ye, L. Jian, W. T. Ford, A. H. Mahmood, T. K. Pedlar, D. Hufnagel, Y. Li, A. I. Rubiera, R. D. Kass, J. J. Thaler, D. Peterson, Jing Wang, G. Majumder, E. Nordberg, T. Riehle, Jiejun Wu, A. D. Foland, I. Karliner, K. W. McLean, Marina Artuso, Thomas Ferguson, Yurii Maravin, John Yelton, R. Mahapatra, P. Skubic, Shuai Chen, A. Anastassov, B. K. Heltsley, E. Lipeles, S. J. Lee, D. Ugolini, R. M. Hans, D. H. Miller, H. Kagan, B. H. Behrens, B. I. Eisenstein, L. Ling, J. Fast, H. Schwarthoff, G. D. Gollin, J. Williams, S. W. Gray, R. Ammar, F. Würthwein, J. Ernst, C. Boulahouache, R. Baker, S. Karamov, A. Ershov, F. Blanc, G. E. Gladding, I. P.J. Shipsey, G. J. Zhou, S. McGee, I. C. Lai, K. W. Edwards, E. H. Thorndike, P. Gaidarev, D. E. Jaffe, G. Masek, R. A. Briere, L. K. Gibbons, V. V. Frolov, V. Savinov, D. Z. Besson, Andreas Warburton, R. J. Morrison, Juliet Ritchie Patterson, Mats A Selen, A. J. Sadoff, K. M. Ecklund, D. Cinabro, M. A. Marsh, L. P. Perera, T. Bergfeld, X. J. Zhou, A. L. Lyon, J. W. Hinson, Horst Severini, G. Bonvicini, J. P. Alexander, B. Gittelman, T. S. Hill, R. Ehrlich, R. Godang, M. Schmidtler, Sacha E Kopp, M. S. Alam, J. Zheng, S. E. Csorna, K. K. Gan, R. Poling, V. Pavlunin, R. Mountain, D. Y.J. Kim, G. C. Moneti, Vivek Sharma, A. Smith, K. Kinoshita, G. W. Brandenburg, Daniel P Cronin-Hennessy, R. S. Galik, A. Shapiro, K. Honscheid, R. Ayad, E. M. Potter, J. E. Duboscq, P. I. Hopman, K. Bukin, N. Kwak, E. von Toerne, J. J. O'Neill, R. Janicek, I. Narsky, D. Riley, S.C. Timm, S. Schuh, M. L. Perl, Yuichi Kubota, Z. Xu, Sz Márka, Richard Wilson, A. Gritsan, Alice Bean, Jason Sang Hun Lee, A. Undrus, V. Boisvert, A. Eppich, Karl Berkelman, M. Saleem, D. M. Asner, C. Gwon, M. Lohner, P. M. Patel, J. G. Thayer, M. M. Zoeller, J. Urheim, M.A. Palmer, Hans J. Vogel, A. Wolf, H. Marsiske, S. B. Athar, V. Fadeyev, H. Yamamoto, B. Valant-Spaight, X. Zhao, and T. E. Coan
Subjects: Physics, Particle physics, Partial width, Photon, Meson, 010308 nuclear & particles physics, Branching fraction, General Physics and Astronomy, Particle accelerator, Astrophysics::Cosmology and Extragalactic Astrophysics, 01 natural sciences, Full width, 3. Good health, law.invention, Nuclear physics, law, 0103 physical sciences, High Energy Physics::Experiment, Production (computer science), Cornell Electron Storage Ring, Nuclear Experiment, 010306 general physics, Astrophysics::Galaxy Astrophysics
Abstract: Using 13.4 $fb^{-1}$ of data collected with the CLEO detector at the Cornell Electron Storage Ring, we have observed 300 events for the two-photon production of ground-state pseudo-scalar charmonium in the decay $\eta_c$ -> $K_S K^{\mp} \pi^{\pm}$. We have measured the $\eta_c$ mass to be (2980.4 +- 2.3 (stat) +- 0.6 (sys)) MeV and its full width as (27.0 +- 5.8 (stat) +- 1.4 (sys)) MeV. We have determined the two-photon partial width of the $\eta_c$ meson to be (7.6 +- 0.8 (stat) +- 0.4 (sys) +- 2.3 (br)) keV, with the last uncertainty associated with the decay branching fraction.
Published: 2016

8. Studies of the Cabibbo-suppressed decays D+ → π0ℓ+v and D+ → ηe+ve

Author: J. Bartelt, S.E. Csorna, V. Jain, S. Marka, A. Freyberger, R. Godang, K. Kinoshita, I.C. Lai, P. Pomianowski, S. Schrenk, G. Bonvicini, D. Cinabro, R. Greene, L.P. Perera, G.J. Zhou, B. Barish, M. Chadha, S. Chan, G. Eigen, J.S. Miller, C. O'Grady, M. Schmidtler, J. Urheim, A.J. Weinstein, F. Würthwein, D.M. Asner, D.W. Bliss, W.S. Brower, G. Masek, H.P. Paar, V. Sharma, J. Gronberg, T.S. Hill, R. Kutschke, D.J. Lange, S. Menary, R.J. Morrison, H.N. Nelson, T.K. Nelson, C. Qiao, J.D. Richman, D. Roberts, A. Ryd, M.S. Witherell, R. Balest, B.H. Behrens, K. Cho, W.T. Ford, H. Park, P. Rankin, J. Roy, J.G. Smith, J.P. Alexander, C. Bebek, B.E. Berger, K. Berkelman, K. Bloom, D.G. Cassel, H.A. Cho, D.M. Coffman, D.S. Crowcroft, M. Dickson, P.S. Drell, K.M. Ecklund, R. Ehrlich, R. Elia, A.D. Foland, P. Gaidarev, B. Gittelman, S.W. Gray, D.L. Hartill, B.K. Heltsley, P.I. Hopman, J. Kandaswamy, N. Katayama, P.C. Kim, D.L. Kreinick, T. Lee, Y. Liu, G.S. Ludwig, J. Masui, J. Mevissen, N.B. Mistry, C.R. Ng, E. Nordberg, M. Ogg, J.R. Patterson, D. Peterson, D. Riley, A. Soffer, C. Ward, M. Athanas, P. Avery, C.D. Jones, M. Lohner, C. Prescott, J. Yelton, J. Zheng, G. Brandenburg, R.A. Briere, Y.S. Gao, D.Y.-J. Kim, R. Wilson, H. Yamamoto, T.E. Browder, F. Li, Y. Li, J.L. Rodriguez, T. Bergfeld, B.I. Eisenstein, J. Ernst, G.E. Gladding, G.D. Gollin, R.M. Hans, E. Johnson, I. Karliner, M.A. Marsh, M. Palmer, M. Selen, J.J. Thaler, K.W. Edwards, A. Bellerive, R. Janicek, D.B. MacFarlane, K.W. McLean, P.M. Patel, A.J. Sadoff, R. Ammar, P. Baringer, A. Bean, D. Besson, D. Coppage, C. Darling, R. Davis, N. Hancock, S. Kotov, I. Kravchenko, N. Kwak, D. Smith, S. Anderson, Y. Kubota, M. Lattery, S.J. Lee, J.J. O'Neill, S. Patton, R. Poling, T. Riehle, V. Savinov, A. Smith, M.S. Alam, S.B. Athar, Z. Ling, A.H. Mahmood, H. Severini, S. Timm, F. Wappler, A. Anastassov, S. Blinov, J.E. Duboscq, K.D. Fisher, D. Fujino, R. Fulton, K.K. Gan, T. Hart, K. Honscheid, H. Kagan, R. Kass, J. Lee, M.B. Spencer, M. Sung, A. Undrus, R. Wanke, A. Wolf, M.M. Zoeller, B. Nemati, S.J. Richichi, W.R. Ross, P. Skubic, M. Wood, M. Bishai, J. Fast, E. Gerndt, J.W. Hinson, N. Menon, D.H. Miller, E.I. Shibata, I.P.J. Shipsey, M. Yurko, L. Gibbons, S.D. Johnson, Y. Kwon, S. Roberts, E.H. Thorndike, C.P. Jessop, K. Lingel, H. Marsiske, M.L. Perl, S.F. Schaffner, D. Ugolini, R. Wang, X. Zhou, T.E. Coan, V. Fadeyev, I. Korolkov, Y. Maravin, I. Narsky, V. Shelkov, J. Staeck, R. Stroynowski, I. Volobouev, J. Ye, M. Artuso, A. Efimov, F. Frasconi, M. Gao, M. Goldberg, D. He, S. Kopp, G.C. Moneti, R. Mountain, S. Schuh, T. Skwarnicki, S. Stone, G. Viehhauser, and X. Xing
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Unitarity, 010308 nuclear & particles physics, Branching fraction, 0103 physical sciences, Pi, 010306 general physics, 01 natural sciences, Bar (unit)
Abstract: Using 4.8 fb$^{-1}$ of data taken with the CLEO II detector, the branching fraction for the Cabibbo-suppressed decay $D^+\to\pi^0\ell^+\nu$ measured relative to the Cabibbo favored decay $D^+\to\bar{K^0}\ell^+\nu$ is found to be $0.046\pm 0.014\pm 0.017$. Using $V_{cs}$ and $V_{cd}$ from unitarity constraints, we determine $| f_+^{\pi}(0)/f_+^K(0)|^2=0.9\pm 0.3\pm 0.3$ We also present a 90% confidence level upper limit for the branching ratio of the decay $D^+ \to \eta e^+\nu_e$ relative to that for $D^+ \to \pi^0 e^+\nu_e$ of 1.5.
Published: 2016

9. Measurements of the meson-photon transition form factors of light pseudoscalar mesons at large momentum transfer

Author: L. Perera, David Miller, Younghoon Kwon, M. Gao, M.A. Palmer, W. R. Ross, R. A. Briere, J. Yelton, P. Pomianowski, Z. Ling, H. P. Paar, B. Heltsley, A. Wolf, Anders Ryd, J. S. Miller, K. Honscheid, I. Volobouev, Yurii Maravin, F. Frasconi, J. Roy, Y. S. Gao, D. M. Coffman, Richard Wilson, A. H. Mahmood, Ryszard Stroynowski, Xingjiang Zhou, Ilya Kravchenko, C. D. Jones, D. Z. Besson, D. W. Bliss, J. E. Duboscq, K. W. Edwards, B. H. Behrens, S. J. Lee, V. Savinov, Sz Márka, N. Hancock, G. D. Gollin, J. W. Hinson, M. Dickson, M. Yurko, S. Kotov, E. Nordberg, Jeffrey Richman, J. Zheng, K. W. McLean, S. B. Athar, D. L. Kreinick, K. K. Gan, R. Godang, R. Janicek, J. Urheim, Jon J Thaler, Philip Baringer, T. E. Browder, M. S. Witherell, Xiangjun Xing, G. S. Ludwig, C. Qiao, Frank Würthwein, Marina Artuso, P. C. Kim, G. Viehhauser, D. B. MacFarlane, James Alexander, S. Roberts, T. S. Hill, Sheldon Stone, N. B. Mistry, R. Ehrlich, M. B. Spencer, A. J. Weinstein, Richard L. Greene, E. H. Thorndike, Paul Avery, Alain Bellerive, Vivek Sharma, Tomasz Skwarnicki, D. Coppage, G. Bonvicini, Y. Li, A. Smith, J. Mevissen, P. M. Patel, D. Fujino, I. Narsky, H. N. Nelson, R. Ammar, S. Schrenk, Yanwen Liu, J. G. Smith, J. Kandaswamy, C. P. Jessop, D. Riley, S. D. Johnson, H. Yamamoto, D. M. Asner, T. E. Coan, I. C. Lai, S. J. Richichi, S. Schuh, K. D. Fisher, S. Prell, A. D. Foland, H. Severini, S. Chan, G. E. Gladding, S. Patton, J. Bartelt, M. Lohner, A. Anastassov, T. Hart, I. Korolkov, R. Davis, M. Athanas, T. K. Nelson, R. S. Galik, C. O'Grady, M. L. Perl, D. Peterson, C. Bebek, Yuichi Kubota, M. A. Marsh, T. Riehle, Harold S. Park, M. Sivertz, A. Undrus, Alice Bean, J. Fast, R. M. Hans, R. D. Kass, R. Wang, R. Balest, D. Ugolini, G. J. Zhou, M. M. Zoeller, J. Staeck, H. Marsiske, S. W. Gray, R. Kutschke, C. Ward, William T. Ford, D. Y.J. Kim, V. Fadeyev, Kenneth Bloom, S. Glenn, J. Gronberg, M. Ogg, F. Li, B. Valant-Spaight, E. Gerndt, G. Eigen, S. Blinov, S.C. Timm, M. Chadha, Karl Matthew Ecklund, Dj Lange, T. Bergfeld, Karl Berkelman, A. Efimov, L. Gibbons, Harris Kagan, C.Y. Prescott, Jianqiao Ye, P. I. Hopman, M. Sung, D. Roberts, P. Gaidarev, S. E. Csorna, K. Kinoshita, G. W. Brandenburg, N. Kwak, M. Bishai, S. Menary, V. Shelkov, Sacha E Kopp, M. S. Alam, R. Wanke, J. Masui, A. Soffer, S. Anderson, D. S. Crowcroft, T. Lee, M. Schmidtler, Jungil Lee, Vivek Jain, N. Menon, Ian Shipsey, D. He, M. Lattery, G. C. Moneti, E. I. Shibata, E. Johnson, F. R. Wappler, B. E. Berger, R. Mountain, P. Skubic, M. Goldberg, J. J. O'Neill, D. Cinabro, B. Nemati, B. C. Barish, B. Gittelman, D. G. Cassel, H. A. Cho, R. J. Morrison, Mats A Selen, I. Karliner, A. J. Sadoff, B. I. Eisenstein, P. S. Drell, R. Elia, Jorge Luis Rodriguez, K. Lingel, D. L. Hartill, R. Poling, J. Ernst, C. R. Ng, C. Darling, G. Masek, and Juliet Ritchie Patterson
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Photon, Meson, 010308 nuclear & particles physics, Momentum transfer, High Energy Physics::Phenomenology, FOS: Physical sciences, 01 natural sciences, 3. Good health, High Energy Physics - Experiment, Pseudoscalar, Nuclear physics, High Energy Physics - Experiment (hep-ex), 0103 physical sciences, Bibliography, Production (computer science), High Energy Physics::Experiment, 010306 general physics, Nuclear Experiment
Abstract: Using the CLEO~II detector, we have measured the differential cross sections for exclusive two-photon production of light pseudoscalar mesons $\pi^0$, $\eta$, and $\eta^{\prime}$. From our measurements we have obtained the form factors associated with the electromagnetic transitions $\gamma^*\gamma$ $\to$ meson. We have measured these form factors in the momentum transfer ranges from 1.5 to 9, 20, and 30 GeV$^2$ for $\pi^0$, $\eta$, and $\eta^{\prime}$, respectively, and have made comparisons to various theoretical predictions., Comment: 30 page postscript file, postscript file also available through http://w4.lns.cornell.edu/public/CLNS
Published: 2016

10. Bounds on theCPAsymmetry in Like-Sign Dileptons fromB0B¯0Meson Decays

Author: T. Hart, S. P. Pappas, M.A. Palmer, T. Riehle, C. Bebek, E. Eckhart, K. K. Gan, J. Urheim, J. E. Duboscq, L. K. Gibbons, V. V. Frolov, G. J. Zhou, T. Wlodek, S. W. Gray, F. Blanc, G. E. Gladding, D. Riley, A. Smith, K. M. Ecklund, C. D. Jones, D. E. Jaffe, A. L. Lyon, B. E. Berger, G. P. Chen, H. Stoeck, G. Masek, R. A. Briere, Juliet Ritchie Patterson, J. W. Hinson, Sacha E Kopp, Hans J. Vogel, L. Ling, M. Dubrovin, M. S. Alam, T. E. Coan, D. L. Kreinick, I. P.J. Shipsey, E. Dambasuren, Jing Wang, G. Majumder, A. Ershov, S. Schuh, Horst Severini, R. M. Hans, A. J. Weinstein, Tomasz Skwarnicki, T. S. Hill, R. Ehrlich, T. O. Meyer, D. H. Miller, Daniel P Cronin-Hennessy, J. J. Thaler, V. Savinov, J. Kandaswamy, Y. S. Gao, S. J. Richichi, Sheldon Stone, W. M. Sun, Ryszard Stroynowski, P. Gaidarev, Paul Avery, Andreas Warburton, M. Kostin, D. Y.J. Kim, I. Danko, D. Peterson, Alice Bean, Yuichi Kubota, Karl Berkelman, T. K. Pedlar, K. W. McLean, R. Poling, V. Fadeyev, Jason Sang Hun Lee, M. Saleem, V. Pavlunin, D. Hufnagel, B. Valant-Spaight, V. Boisvert, A. Eppich, M. M. Zoeller, H. P. Paar, A. Shapiro, X. Zhao, D. Z. Besson, A. Bornheim, A. Wolf, G. Viehhauser, A. I. Rubiera, R. D. Kass, B. K. Heltsley, C. Sedlack, E. H. Thorndike, N. B. Mistry, J. Williams, E. Lipeles, S. J. Lee, John Yelton, G. D. Gollin, S.C. Timm, Richard Wilson, A. Gritsan, G. Bonvicini, R. Ammar, Jiejun Wu, Yurii Maravin, D. L. Hartill, J. P. Alexander, E. Nordberg, C. Boulahouache, W. Park, C. Plager, S. Anderson, S. B. Athar, P. Skubic, S. McGee, R. Mahapatra, A. Magerkurth, F. R. Wappler, J. B. Thayer, D. Urner, H. Kagan, Z. Xu, E. I. Shibata, S. E. Csorna, R. Janicek, E. Johnson, R. J. Morrison, Mats A Selen, A. Undrus, A. J. Sadoff, L. Jian, S. Ahmed, D. M. Asner, Marina Artuso, C. Gwon, M. Lohner, P. M. Patel, J. G. Thayer, G. W. Brandenburg, M. A. Marsh, P. I. Hopman, C. J. Stepaniak, R. Godang, M. Schmidtler, R. Mountain, A. Romano, Shuai Chen, A. Anastassov, R. Baker, L. Hsu, K. Honscheid, K. W. Edwards, E. von Toerne, J. J. O'Neill, K. Bukin, C.Y. Prescott, D. G. Cassel, Jianqiao Ye, I. Narsky, A. H. Mahmood, T. Bergfeld, D. Cinabro, J. Fast, H. Schwarthoff, I. Karliner, B. I. Eisenstein, B. Gittelman, P. S. Drell, Thomas Ferguson, and J. Ernst
Subjects: Physics, Particle physics, Meson, 010308 nuclear & particles physics, Electron–positron annihilation, media_common.quotation_subject, General Physics and Astronomy, Absolute value, Charge (physics), 01 natural sciences, Asymmetry, 0103 physical sciences, CP violation, Cornell Electron Storage Ring, 010306 general physics, media_common, Sign (mathematics)
Abstract: We have measured the charge asymmetry in like-sign dilepton yields from B(0)B*(0) meson decays using the CLEO detector at the Cornell Electron Storage Ring. We find a(0)(ll) identical with[N(l(+)l(+))-N(l(-)l(-))]/[N(l(+)l(+))+N(l(-)l(-))] = +0.013+/-0.050+/-0.005. We combine this result with a previous, independent measurement and obtain Re(epsilon(B))/(1+ the absolute value of epsilon(B)(2)) = +0.0035+/-0.0103+/-0.0015 (uncertainties are statistical and systematic, respectively) for the CP impurity parameter, epsilon(B).
Published: 2001

11. Observation of New States Decaying intoΛc+π−π+

Author: T. E. Coan, A. J. Weinstein, Tomasz Skwarnicki, T. Hart, T. Riehle, S. W. Gray, S. Karamov, D. Cinabro, S. Prell, G. P. Chen, B. Gittelman, K. Bukin, H. Stoeck, S. J. Richichi, W. M. Sun, E. Dambasuren, R. A. Briere, D. E. Jaffe, Z. Xu, Ryszard Stroynowski, J. W. Hinson, V. Savinov, Jing Wang, G. Majumder, A. Smith, D. Riley, D. Z. Besson, M. Kostin, S. Schuh, S. P. Pappas, C. Bebek, I. Narsky, Sacha E Kopp, A. Undrus, H. P. Paar, D. Y.J. Kim, X. Zhao, E. Eckhart, A. Wolf, L. Ling, M. Dubrovin, D. H. Miller, M. S. Alam, John Yelton, R. Mahapatra, J. Fast, H. Schwarthoff, K. K. Gan, P. Gaidarev, L. K. Gibbons, V. V. Frolov, A. Ershov, S.C. Timm, T. Wlodek, J. Ernst, I. Danko, R. M. Hans, Yurii Maravin, T. K. Pedlar, Daniel P Cronin-Hennessy, A. Shapiro, D. L. Hartill, C. Plager, S. Anderson, J. J. Thaler, C. J. Stepaniak, Ian Shipsey, Yuichi Kubota, Persis S. Drell, Alice Bean, Jason Sang Hun Lee, C.Y. Prescott, V. Boisvert, E. H. Thorndike, E. von Toerne, A. Magerkurth, E. Nordberg, R. Godang, Andreas Warburton, J. Kandaswamy, M. Schmidtler, G. Bonvicini, J. P. Alexander, J. J. O'Neill, S. Ahmed, A. Eppich, C. Sedlack, S. E. Csorna, F. R. Wappler, J. B. Thayer, Jianqiao Ye, R. S. Galik, R. Ammar, D. Hufnagel, Jiejun Wu, D. Peterson, H. Kagan, S. B. Athar, K. W. McLean, R. Mountain, D. M. Asner, L. Jian, P. Skubic, C. Gwon, Karl Berkelman, M. Lohner, J. Urheim, M. Saleem, P. M. Patel, A. Romano, J. G. Thayer, M. A. Marsh, G. W. Brandenburg, Marina Artuso, D. G. Cassel, F. Würthwein, R. J. Morrison, Mats A Selen, C. Boulahouache, S. McGee, A. I. Rubiera, R. D. Kass, A. H. Mahmood, A. J. Sadoff, G. J. Zhou, V. Fadeyev, Richard Wilson, A. Gritsan, G. C. Moneti, R. Ayad, G. Viehhauser, K. W. Edwards, I. Karliner, E. M. Potter, P. I. Hopman, D. Urner, E. I. Shibata, C. D. Jones, N. B. Mistry, B. Valant-Spaight, B. I. Eisenstein, E. Johnson, Sheldon Stone, B. E. Berger, Paul Avery, M.A. Palmer, R. Janicek, M. M. Zoeller, Y. S. Gao, T. Bergfeld, A. D. Foland, J. E. Duboscq, Shuai Chen, A. Anastassov, R. Baker, J. Williams, L. Hsu, T. S. Hill, R. Ehrlich, K. Honscheid, G. Masek, Juliet Ritchie Patterson, Horst Severini, F. Blanc, G. E. Gladding, R. Poling, V. Pavlunin, K. M. Ecklund, A. L. Lyon, B. K. Heltsley, E. Lipeles, S. J. Lee, G. D. Gollin, D. L. Kreinick, and T. O. Meyer
Subjects: Physics, Particle physics, 010308 nuclear & particles physics, Electron–positron annihilation, Nuclear Theory, High Energy Physics::Phenomenology, General Physics and Astronomy, Astrophysics::Cosmology and Extragalactic Astrophysics, Lambda, 01 natural sciences, Nuclear physics, Baryon, Charmed baryons, Particle decay, 0103 physical sciences, Pi, High Energy Physics::Experiment, Invariant mass, Cornell Electron Storage Ring, Nuclear Experiment, 010306 general physics
Abstract: The spectrum of charmed baryons consisting of a charmed quark and two light quarks denoted by Ac and σc baryons were investigated. The sample used in the investigation corresponds to an integrated luminosity 13.7/fb from the data taken on the Y(4S) resonance and in the continuum at energies just below the Y(4S). A broad state with an invariant mass roughly above 480 MeV above that of the Ac baryon and a narrow state with an invariant mass of 596 MeV above the Ac mass were found.
Published: 2001

12. Evidence of New States Decaying intoΞc*π

Author: S. E. Csorna, I. Danko, K. W. McLean, Z. Xu, R. Godang, G. Bonvicini, D. Cinabro, M. Dubrovin, S. McGee, G. J. Zhou, A. Bornheim, E. Lipeles, S. P. Pappas, M. Schmidtler, A. Shapiro, W. M. Sun, A. J. Weinstein, D. E. Jaffe, G. Masek, H. P. Paar, D. M. Asner, A. Eppich, T. S. Hill, R. J. Morrison, R. A. Briere, G. P. Chen, T. Ferguson, H. Vogel, A. Gritsan, J. P. Alexander, R. Baker, C. Bebek, B. E. Berger, K. Berkelman, F. Blanc, V. Boisvert, D. G. Cassel, P. S. Drell, J. E. Duboscq, K. M. Ecklund, R. Ehrlich, A. D. Foland, P. Gaidarev, R. S. Galik, L. Gibbons, B. Gittelman, S. W. Gray, D. L. Hartill, B. K. Heltsley, P. I. Hopman, L. Hsu, C. D. Jones, J. Kandaswamy, D. L. Kreinick, M. Lohner, A. Magerkurth, T. O. Meyer, N. B. Mistry, E. Nordberg, M. Palmer, J. R. Patterson, D. Peterson, D. Riley, A. Romano, J. G. Thayer, D. Urner, B. Valant-Spaight, G. Viehhauser, A. Warburton, P. Avery, C. Prescott, A. I. Rubiera, H. Stoeck, J. Yelton, G. Brandenburg, A. Ershov, D. Y.-J. Kim, R. Wilson, T. Bergfeld, B. I. Eisenstein, J. Ernst, G. E. Gladding, G. D. Gollin, R. M. Hans, E. Johnson, I. Karliner, M. A. Marsh, C. Plager, C. Sedlack, M. Selen, J. J. Thaler, J. Williams, K. W. Edwards, R. Janicek, P. M. Patel, A. J. Sadoff, R. Ammar, A. Bean, D. Besson, X. Zhao, S. Anderson, V. V. Frolov, Y. Kubota, S. J. Lee, R. Mahapatra, J. J. O'Neill, R. Poling, T. Riehle, A. Smith, C. J. Stepaniak, J. Urheim, S. Ahmed, M. S. Alam, S. B. Athar, L. Jian, L. Ling, M. Saleem, S. Timm, F. Wappler, A. Anastassov, E. Eckhart, K. K. Gan, C. Gwon, T. Hart, K. Honscheid, D. Hufnagel, H. Kagan, R. Kass, T. K. Pedlar, H. Schwarthoff, J. B. Thayer, E. von Toerne, M. M. Zoeller, S. J. Richichi, H. Severini, P. Skubic, A. Undrus, V. Savinov, S. Chen, J. Fast, J. W. Hinson, J. Lee, D. H. Miller, E. I. Shibata, I. P. J. Shipsey, V. Pavlunin, D. Cronin-Hennessy, A. L. Lyon, E. H. Thorndike, T. E. Coan, V. Fadeyev, Y. S. Gao, Y. Maravin, I. Narsky, R. Stroynowski, J. Ye, T. Wlodek, M. Artuso, R. Ayad, C. Boulahouache, K. Bukin, E. Dambasuren, G. Majumder, G. C. Moneti, R. Mountain, S. Schuh, T. Skwarnicki, S. Stone, J. C. Wang, A. Wolf, J. Wu, S. Kopp, M. Kostin, and A. H. Mahmood
Subjects: Physics, Particle physics, 010308 nuclear & particles physics, Electron–positron annihilation, General Physics and Astronomy, Lambda, 01 natural sciences, Measure (mathematics), Prime (order theory), 3. Good health, Nuclear physics, Charmed baryons, Isospin, 0103 physical sciences, Pi, 010306 general physics
Abstract: Using 13.7 $fb^{-1}$ of data recorded by the CLEO detector at CESR, we report evidence for two new charmed baryons: one decaying into $\Xi_c^{0 \prime}\pi^+$ with the subsequent decay $\Xi_c^{0 \prime} \to \Xi_c^0 \gamma$, and its isospin partner decaying into $\Xi_c^{+ \prime} \pi^-$ followed by $\Xi_c^{+\prime} \to \Xi_c^+\gamma$. We measure the following mass differences for the two states: $M(\Xi_c^0 \gamma \pi^+)-M(\Xi_c^0)$=318.2+-1.3+-2.9 MeV, and $M(\Xi_c^+ \gamma \pi^-)-M(\Xi_c^+)$=324.0+-1.3+-3.0 MeV. We interpret these new states as the $J^P = 1/2^- \Xi_{c1}$ particles, the charmed-strange analogs of the $\Lambda_{c1}^+(2593)$.
Published: 2001

13. Observation of theΩc0Charmed Baryon at CLEO

Author: R. M. Hans, X. Zhao, J. Fast, H. Schwarthoff, L. K. Gibbons, V. V. Frolov, S. Prell, Shuai Chen, A. Anastassov, R. Baker, T. E. Coan, Andreas Warburton, A. J. Weinstein, Tomasz Skwarnicki, S. P. Pappas, R. Janicek, C. Bebek, K. Bukin, E. Eckhart, I. Narsky, D. Riley, E. H. Thorndike, S. J. Richichi, L. Hsu, T. O. Meyer, B. K. Heltsley, E. Lipeles, S. J. Lee, G. D. Gollin, K. Honscheid, T. Wlodek, G. Bonvicini, J. P. Alexander, K. K. Gan, J. Kandaswamy, M. Dubrovin, K. W. Edwards, G. P. Chen, H. Stoeck, Yurii Maravin, M.A. Palmer, R. A. Briere, T. Bergfeld, T. S. Hill, R. Ehrlich, V. Savinov, D. Z. Besson, R. S. Galik, G. C. Moneti, D. Peterson, K. W. McLean, Yuichi Kubota, F. Würthwein, G. J. Zhou, I. Danko, D. L. Kreinick, A. Smith, T. K. Pedlar, W. M. Sun, Richard Wilson, A. Gritsan, J. W. Hinson, Ryszard Stroynowski, C.Y. Prescott, T. Hart, S. Schuh, L. Jian, C. J. Stepaniak, H. P. Paar, Jianqiao Ye, Marina Artuso, T. Riehle, G. Viehhauser, A. D. Foland, Alice Bean, Jason Sang Hun Lee, N. B. Mistry, V. Boisvert, A. Eppich, E. Nordberg, R. Ammar, J. Williams, S. W. Gray, S. Karamov, D. M. Asner, C. Gwon, M. Lohner, P. M. Patel, J. G. Thayer, Sheldon Stone, Paul Avery, M. A. Marsh, A. I. Rubiera, R. D. Kass, V. Fadeyev, L. Ling, A. Ershov, B. Valant-Spaight, S. E. Csorna, F. Blanc, G. E. Gladding, K. M. Ecklund, A. L. Lyon, G. W. Brandenburg, E. Dambasuren, Jing Wang, G. Majumder, D. H. Miller, P. Gaidarev, R. Ayad, E. M. Potter, P. I. Hopman, Z. Xu, A. Undrus, Karl Berkelman, M. Saleem, S.C. Timm, J. E. Duboscq, Sacha E Kopp, M. S. Alam, Daniel P Cronin-Hennessy, P. S. Drell, J. Ernst, E. von Toerne, J. J. O'Neill, D. Cinabro, B. Gittelman, S. Ahmed, C. Sedlack, Jiejun Wu, P. Skubic, D. E. Jaffe, Y. S. Gao, H. Kagan, C. D. Jones, R. J. Morrison, D. G. Cassel, Mats A Selen, A. J. Sadoff, B. E. Berger, D. L. Hartill, A. H. Mahmood, C. Plager, S. Anderson, I. Karliner, A. Magerkurth, B. I. Eisenstein, R. Godang, M. Schmidtler, F. R. Wappler, C. Boulahouache, J. B. Thayer, S. McGee, R. Mountain, A. Romano, John Yelton, R. Mahapatra, D. Hufnagel, D. Urner, E. I. Shibata, E. Johnson, G. Masek, Juliet Ritchie Patterson, Horst Severini, R. Poling, V. Pavlunin, A. Shapiro, I. P.J. Shipsey, M. Kostin, D. Y.J. Kim, A. Wolf, S. B. Athar, M. M. Zoeller, J. Urheim, and Jon J Thaler
Subjects: Physics, Particle physics, 010308 nuclear & particles physics, General Physics and Astronomy, 7. Clean energy, 01 natural sciences, Omega, law.invention, Baryon, Nuclear physics, law, 0103 physical sciences, Pi, 010306 general physics, Ground state, Collider
Abstract: The CLEO experiment at the CESR collider has used 13.7 fb(-1) of data to search for the production of the Omega(0)(c) (css ground state) in e(+)e(-) collisions at square root of (s) approximately 10.6 GeV. The modes used to study the Omega(0)(c) are Omega(-)pi(+), Omega(-)pi(+)pi(0), Xi-K-pi(+)pi(+), Xi0K-pi(+), and Omega(-)pi(+)pi(+)pi(-). We observe a signal of 40.4+/-9.0(stat) events at a mass of 2694.6+/-2.6(stat)+/-1.9(syst) MeV/c(2), for all modes combined.
Published: 2001

14. Observation ofB→φKandB→φK*

Author: I. P.J. Shipsey, G. P. Chen, H. Stoeck, R. A. Briere, J. E. Duboscq, F. Blanc, J. Urheim, G. E. Gladding, Yurii Maravin, C. Boulahouache, J. W. Hinson, K. M. Ecklund, S. McGee, M. Kostin, D. Y.J. Kim, A. L. Lyon, Hans J. Vogel, T. O. Meyer, I. Danko, J. J. Thaler, T. K. Pedlar, X. Zhao, T. Hart, W. M. Sun, T. Riehle, S. W. Gray, Ryszard Stroynowski, D. Z. Besson, R. Poling, S. Schuh, T. S. Hill, R. Ehrlich, D. Urner, E. I. Shibata, V. Pavlunin, S.C. Timm, A. Wolf, L. Jian, B. K. Heltsley, C. J. Stepaniak, K. K. Gan, E. Dambasuren, Sacha E Kopp, E. H. Thorndike, E. Lipeles, S. J. Lee, Sheldon Stone, E. Johnson, M. S. Alam, G. D. Gollin, Marina Artuso, Paul Avery, Jing Wang, Alice Bean, G. Bonvicini, J. P. Alexander, J. Kandaswamy, G. Masek, Juliet Ritchie Patterson, Daniel P Cronin-Hennessy, Jason Sang Hun Lee, G. Majumder, S. B. Athar, V. Boisvert, D. L. Kreinick, L. K. Gibbons, V. V. Frolov, G. J. Zhou, A. Eppich, C. D. Jones, Horst Severini, D. H. Miller, D. Hufnagel, V. Fadeyev, Z. Xu, M. M. Zoeller, R. M. Hans, B. E. Berger, A. I. Rubiera, Adolf Bornheim, V. Savinov, R. D. Kass, B. Valant-Spaight, R. Janicek, C. Sedlack, John Yelton, M.A. Palmer, D. M. Asner, D. Peterson, J. Williams, R. Ammar, A. Undrus, C. Gwon, M. Lohner, H. P. Paar, H. Kagan, K. W. McLean, P. M. Patel, Jiejun Wu, J. G. Thayer, A. Shapiro, P. Skubic, E. Nordberg, M. A. Marsh, P. Gaidarev, D. E. Jaffe, T. E. Coan, A. J. Weinstein, Andreas Warburton, Tomasz Skwarnicki, Karl Berkelman, S. J. Richichi, M. Saleem, R. J. Morrison, Mats A Selen, A. J. Sadoff, D. L. Hartill, C. Plager, S. Anderson, A. Smith, L. Ling, A. Magerkurth, A. Ershov, F. R. Wappler, J. B. Thayer, Richard Wilson, A. Gritsan, S. Ahmed, G. Viehhauser, K. Bukin, N. B. Mistry, S. E. Csorna, E. von Toerne, J. J. O'Neill, Y. S. Gao, G. W. Brandenburg, R. Mahapatra, P. S. Drell, D. Riley, I. Narsky, Thomas Ferguson, P. I. Hopman, M. Dubrovin, J. Ernst, Shuai Chen, A. Anastassov, D. Cinabro, R. Baker, Yuichi Kubota, B. Gittelman, D. G. Cassel, A. H. Mahmood, L. Hsu, I. Karliner, K. Honscheid, B. I. Eisenstein, R. Godang, M. Schmidtler, K. W. Edwards, T. Bergfeld, R. Mountain, S. P. Pappas, C. Bebek, E. Eckhart, A. Romano, C.Y. Prescott, T. Wlodek, Jianqiao Ye, J. Fast, and H. Schwarthoff
Subjects: Physics, Particle physics, 010308 nuclear & particles physics, 0103 physical sciences, Hadron, General Physics and Astronomy, B meson, 010306 general physics, 01 natural sciences
Abstract: We have studied two-body charmless hadronic decays of B mesons into the final states straight phiK and phiK(*). Using 9.7 million BB pairs collected with the CLEO II detector, we observe the decays B- --> phiK- and B0--> phiK(*0) with the following branching fractions: B(B--->phiK-) = (5.5(+2.1)(-1.8)+/-0.6)x10(-6) and B(B0--> phiK(*0)) = (11.5(+4.5+1.8)(-3.7-1.7))x10(-6). We also see evidence for the decays B0-->phiK0 and B---> phiK(*-). However, since the statistical significance is not overwhelming for these modes, we determine upper limits of
Published: 2001

15. Search forB→τνandB→Kνν¯

Author: A. J. Weinstein, Tomasz Skwarnicki, S. J. Richichi, Y. S. Gao, R. Poling, V. Pavlunin, D. E. Jaffe, R. Ammar, K. Honscheid, D. L. Kreinick, S. Schuh, G. Masek, T. Hart, I. C. Lai, J. E. Duboscq, Juliet Ritchie Patterson, S. P. Pappas, C. Bebek, E. Eckhart, R. Godang, M. Schmidtler, H. P. Paar, K. Bukin, Richard Wilson, A. Gritsan, Horst Severini, G. C. Moneti, E. Dambasuren, Alice Bean, Jing Wang, G. Majumder, P. G. Thies, M. A. Marsh, Jason Sang Hun Lee, A. Shapiro, I. P.J. Shipsey, R. Mountain, N. Kwak, S. Ahmed, L. P. Perera, D. Urner, E. I. Shibata, T. O. Meyer, T. Riehle, T. S. Hill, X. Zhao, Z. Xu, E. Nordberg, V. Boisvert, A. Eppich, R. Ehrlich, D. G. Cassel, D. H. Miller, I. Narsky, R. Davis, D. Ugolini, A. Wolf, C. J. Stepaniak, Sz Márka, D. Y.J. Kim, E. Johnson, F. Würthwein, S. W. Gray, D. L. Hartill, C. Plager, S. Anderson, S. Karamov, G. J. Zhou, D. M. Asner, A. H. Mahmood, Shuai Chen, A. Anastassov, C. Gwon, M. Lohner, P. M. Patel, T. Wlodek, J. G. Thayer, R. Baker, P. Gaidarev, V. Savinov, R. Janicek, L. K. Gibbons, V. V. Frolov, I. Karliner, D. Riley, F. Blanc, R. A. Briere, A. Undrus, D. Z. Besson, A. Magerkurth, G. E. Gladding, C. Boulahouache, B. I. Eisenstein, A. D. Foland, J. J. Thaler, L. Jian, C. Sedlack, S. McGee, M. L. Perl, K. K. Gan, Marina Artuso, Yuichi Kubota, J. W. Hinson, Sacha E Kopp, K. M. Ecklund, A. L. Lyon, M. S. Alam, Jiejun Wu, M.A. Palmer, P. Skubic, E. von Toerne, S.C. Timm, J. J. O'Neill, R. Ayad, R. M. Hans, B. H. Behrens, E. M. Potter, Daniel P Cronin-Hennessy, F. R. Wappler, S. Schrenk, J. G. Smith, Y. Li, C. P. Jessop, P. I. Hopman, J. Roy, J. B. Thayer, D. Hufnagel, S. Prell, W. M. Sun, Ryszard Stroynowski, H. Kagan, S. B. Athar, H. Marsiske, J. Urheim, B. K. Heltsley, S. E. Csorna, E. Lipeles, J. Williams, Andreas Warburton, S. J. Lee, V. Fadeyev, G. D. Gollin, H. Yamamoto, J. Zheng, K. Kinoshita, C. D. Jones, R. J. Morrison, G. W. Brandenburg, B. Valant-Spaight, Mats A Selen, A. J. Sadoff, John Yelton, R. Mahapatra, B. E. Berger, P. S. Drell, Vivek Sharma, T. E. Browder, Karl Berkelman, A. Smith, M. Saleem, Thomas Ferguson, Hans J. Vogel, J. Ernst, D. Cinabro, L. Ling, B. Gittelman, J. L. Rodriguez, A. Ershov, Sheldon Stone, Paul Avery, M. M. Zoeller, W. T. Ford, A. I. Rubiera, R. D. Kass, Yurii Maravin, E. H. Thorndike, G. Bonvicini, J. P. Alexander, D. Peterson, K. W. McLean, Xingjiang Zhou, I. Danko, M. Dickson, T. K. Pedlar, G. Viehhauser, N. B. Mistry, C.Y. Prescott, Jianqiao Ye, J. Fast, H. Schwarthoff, K. W. Edwards, T. Bergfeld, and T. E. Coan
Subjects: Physics, Particle physics, 010308 nuclear & particles physics, Branching fraction, 0103 physical sciences, General Physics and Astronomy, B meson, Limit (mathematics), 010306 general physics, 01 natural sciences, Confidence interval
Abstract: We report results of a search for B-->tau(nu) in a sample of 9.7 x 10(6) charged B meson decays. We exclusively reconstruct the companion B decay to suppress background. We set an upper limit on the branching fraction B(B-->tau(nu)) K+/-nu(nu))
Published: 2001

16. First Observation of the DecaysB0→D−pp¯π+andB0→D−pn¯

Author: K. K. Gan, S.C. Timm, G. C. Moneti, E. Dambasuren, Vivek Sharma, A. Smith, Frank Würthwein, L. K. Gibbons, V. V. Frolov, G. Viehhauser, C.Y. Prescott, N. B. Mistry, C. J. Stepaniak, Jing Wang, G. Majumder, J. Kandaswamy, M.A. Palmer, B. H. Behrens, D. H. Miller, R. Ammar, F. Blanc, G. E. Gladding, D. Peterson, G. P. Chen, R. A. Briere, L. Jian, R. Poling, V. Pavlunin, I. C. Lai, R. Davis, K. W. McLean, Z. Xu, Sz Márka, Jianqiao Ye, P. Gaidarev, L. P. Perera, A. Wolf, Shuai Chen, A. Anastassov, T. O. Meyer, S. P. Pappas, C. Bebek, P. S. Drell, T. S. Hill, E. Eckhart, L. Ling, R. Ehrlich, A. Undrus, A. Ershov, M. A. Marsh, R. Baker, A. Shapiro, Marina Artuso, J. W. Hinson, K. M. Ecklund, A. L. Lyon, T. Wlodek, G. J. Zhou, H. Marsiske, G. Masek, S. E. Csorna, A. D. Foland, V. Fadeyev, J. Fast, H. Yamamoto, H. Schwarthoff, J. Ernst, V. Savinov, D. Z. Besson, J. L. Rodriguez, Sheldon Stone, Paul Avery, Sacha E Kopp, M. S. Alam, S. Schrenk, J. G. Smith, C. P. Jessop, J. Roy, W. M. Sun, Ryszard Stroynowski, Juliet Ritchie Patterson, Y. Li, Karl Berkelman, M. Saleem, B. Valant-Spaight, S. B. Athar, K. W. Edwards, J. Williams, D. Urner, E. I. Shibata, R. M. Hans, K. Honscheid, S. Prell, T. Hart, X. Zhao, Yurii Maravin, Daniel P Cronin-Hennessy, X. J. Zhou, B. K. Heltsley, K. Kinoshita, G. W. Brandenburg, T. Riehle, E. von Toerne, E. Lipeles, S. J. Lee, J. E. Duboscq, J. J. O'Neill, Horst Severini, D. Cinabro, E. Johnson, G. D. Gollin, Andreas Warburton, K. Bukin, S. W. Gray, S. Karamov, T. Bergfeld, H. P. Paar, D. L. Kreinick, B. Gittelman, R. Ayad, N. Kwak, E. M. Potter, P. I. Hopman, D. G. Cassel, I. Narsky, J. J. Thaler, Y. S. Gao, C. Boulahouache, M. M. Zoeller, C. Sedlack, E. Nordberg, S. McGee, T. E. Coan, A. H. Mahmood, W. T. Ford, A. I. Rubiera, R. D. Kass, A. J. Weinstein, Tomasz Skwarnicki, Jiejun Wu, P. Skubic, S. J. Richichi, R. Janicek, D. E. Jaffe, D. Hufnagel, I. Karliner, S. Schuh, B. I. Eisenstein, Alice Bean, Jason Sang Hun Lee, R. Godang, V. Boisvert, A. Eppich, M. Schmidtler, R. Mountain, E. H. Thorndike, G. Bonvicini, J. P. Alexander, I. Danko, M. Dickson, T. K. Pedlar, I. P.J. Shipsey, H. Kagan, D. Y.J. Kim, R. J. Morrison, Mats A Selen, A. J. Sadoff, S. Ahmed, D. L. Hartill, C. Plager, S. Anderson, A. Magerkurth, F. R. Wappler, D. M. Asner, C. D. Jones, C. Gwon, M. Lohner, J. B. Thayer, P. M. Patel, J. G. Thayer, B. E. Berger, John Yelton, R. Mahapatra, Richard Wilson, A. Gritsan, T. E. Browder, D. Riley, M. L. Perl, Yuichi Kubota, J. Urheim, and J. Zheng
Subjects: Physics, Annihilation, Electromagnetic calorimeter, 010308 nuclear & particles physics, 0103 physical sciences, Analytical chemistry, General Physics and Astronomy, Cornell Electron Storage Ring, Atomic physics, 010306 general physics, Nucleon, 01 natural sciences
Abstract: We report the first observation of exclusive decays of the type B-->D(*)N_NX, where N is a nucleon. Using a sample of 9.7x10(6)B_B pairs collected with the CLEO detector operating at the Cornell Electron Storage Ring, we measure the branching fractions B(B0-->D(*-)p_p pi(+)) = (6.5(+1.3)(-1.2)+/-1.0)x10(-4) and B(B0-->D(*-)p_n) = (14.5(+3.4)(-3.0)+/-2.7)x10(-4). Antineutrons are identified by their annihilation in the CsI electromagnetic calorimeter.
Published: 2001

17. Measurement of the Relative Branching Fraction ofϒ(4S)to Charged and NeutralB-Meson Pairs

Author: L. K. Gibbons, V. V. Frolov, I. Narsky, D. Riley, R. M. Hans, A. H. Mahmood, R. Ammar, W. T. Ford, A. I. Rubiera, R. D. Kass, T. O. Meyer, I. C. Lai, C. Sedlack, S.C. Timm, M. A. Marsh, X. Zhao, F. Blanc, H. P. Paar, I. Danko, Andreas Warburton, T. Hart, P. G. Thies, K. Honscheid, G. E. Gladding, J. J. Thaler, M. L. Perl, M. Dickson, T. K. Pedlar, L. P. Perera, Y. Kwon, V. Savinov, Jiejun Wu, E. I. Shibata, P. Skubic, Yuichi Kubota, J. Roy, W. M. Sun, Sheldon Stone, D. Z. Besson, L. Jian, Y. S. Gao, Paul Avery, J. E. Duboscq, D. L. Hartill, K. M. Ecklund, Ryszard Stroynowski, D. E. Jaffe, T. Riehle, E. Nordberg, C. Plager, N. Kwak, S. Anderson, A. L. Lyon, E. H. Thorndike, J. Zheng, T. E. Coan, Shuai Chen, A. Anastassov, R. Baker, D. Ugolini, Yurii Maravin, K. K. Gan, A. J. Weinstein, Tomasz Skwarnicki, A. D. Foland, G. Bonvicini, J. P. Alexander, S. W. Gray, E. Johnson, S. Karamov, D. M. Asner, Y. Li, C. Gwon, M. Lohner, G. C. Moneti, B. H. Behrens, P. M. Patel, Vivek Sharma, A. Smith, J. G. Thayer, Karl Berkelman, M. Saleem, B. K. Heltsley, S. J. Richichi, A. Magerkurth, M. M. Zoeller, E. Lipeles, S. J. Lee, J. Williams, S. Schrenk, G. D. Gollin, J. G. Smith, C. P. Jessop, N. Menon, Richard Wilson, A. Gritsan, A. Wolf, S. Prell, I. P.J. Shipsey, C. Bebek, D. L. Kreinick, E. Eckhart, Z. Xu, C. Boulahouache, R. A. Briere, F. R. Wappler, T. E. Browder, T. S. Hill, Sz Márka, L. Ling, J. B. Thayer, S. McGee, R. Ehrlich, G. J. Zhou, S. B. Athar, J. Urheim, T. Wlodek, H. Kagan, D. Y.J. Kim, J. W. Hinson, S. Schuh, A. Ershov, M.A. Palmer, A. Undrus, Alice Bean, R. J. Morrison, Jason Sang Hun Lee, Mats A Selen, V. Boisvert, A. Eppich, A. J. Sadoff, D. Hufnagel, John Yelton, R. Mahapatra, H. Marsiske, J. L. Rodriguez, Sacha E Kopp, M. S. Alam, R. Janicek, Frank Würthwein, V. Fadeyev, G. Viehhauser, C.Y. Prescott, N. B. Mistry, B. Valant-Spaight, Daniel P Cronin-Hennessy, Jianqiao Ye, K. W. Edwards, D. Peterson, K. W. McLean, T. Bergfeld, Marina Artuso, J. Fast, H. Yamamoto, H. Schwarthoff, R. Davis, S. E. Csorna, K. Kinoshita, G. W. Brandenburg, E. Dambasuren, Jing Wang, G. Majumder, S. Ahmed, D. H. Miller, P. Gaidarev, R. Ayad, E. M. Potter, P. I. Hopman, C. D. Jones, B. E. Berger, R. Godang, M. Schmidtler, R. Mountain, E. von Toerne, J. J. O'Neill, D. Cinabro, B. Gittelman, D. G. Cassel, G. Masek, Juliet Ritchie Patterson, X. J. Zhou, I. Karliner, Horst Severini, P. S. Drell, B. I. Eisenstein, R. Poling, V. Pavlunin, J. Ernst, A. Shapiro, and K. Bukin
Subjects: Physics, Branching fraction, Electron–positron annihilation, Analytical chemistry, General Physics and Astronomy, B meson, Atomic physics
Abstract: We analyze 9.7x10(6) B_B pairs recorded with the CLEO detector to determine the production ratio of charged to neutral B-meson pairs produced at the Upsilon(4S) resonance. We measure the rates for B0-->J/psiK((*)0) and B+-->J/psiK((*)+) decays and use the world-average B-meson lifetime ratio to extract the relative widths f(+-) / f(00) = gamma(Upsilon(4S)-->B+B-) / gamma(Upsilon(4S)-->B0 B-0)) = 1.04+/-0.07(stat)+/-0.04(syst). With the assumption that f(+-)+f(00) = 1, we obtain f(00) = 0.49+/-0.02(stat)+/-0.01(syst) and f(+-) = 0.51+/-0.02(stat)+/-0.01(syst). This production ratio and its uncertainty apply to all exclusive B-meson branching fractions measured at the Upsilon(4S) resonance.
Published: 2001

18. Measurement of theΛc+Lifetime

Author: D. E. Jaffe, B. H. Behrens, R. Ammar, T. Hart, I. C. Lai, T. O. Meyer, R. M. Hans, T. Riehle, D. L. Kreinick, M. A. Marsh, X. Zhao, V. Savinov, T. E. Browder, D. Z. Besson, S. P. Pappas, Andreas Warburton, C. Bebek, S. W. Gray, S. Karamov, E. Eckhart, F. Würthwein, H. Kagan, E. H. Thorndike, C. J. Stepaniak, R. Davis, G. J. Zhou, S. Schuh, D. Riley, G. P. Chen, D. G. Cassel, A. Wolf, K. K. Gan, S.C. Timm, R. A. Briere, A. H. Mahmood, Yurii Maravin, I. P.J. Shipsey, T. Wlodek, I. Karliner, Alice Bean, D. Cinabro, L. P. Perera, M. L. Perl, Jason Sang Hun Lee, Yuichi Kubota, G. Bonvicini, Shuai Chen, A. Anastassov, H. P. Paar, V. Boisvert, A. Eppich, J. P. Alexander, B. I. Eisenstein, A. D. Foland, R. Godang, M. Schmidtler, J. Kandaswamy, H. Marsiske, J. W. Hinson, R. J. Morrison, B. Gittelman, S. B. Athar, J. Roy, Mats A Selen, A. Shapiro, D. M. Asner, Y. Li, C. Gwon, M. Lohner, P. M. Patel, R. Baker, W. M. Sun, Z. Xu, J. G. Thayer, C. Sedlack, Ryszard Stroynowski, A. J. Sadoff, R. Mountain, E. Nordberg, S. Ahmed, B. K. Heltsley, Sz Márka, D. Y.J. Kim, V. Fadeyev, D. Peterson, J. Zheng, Richard Wilson, A. Gritsan, E. Lipeles, S. J. Lee, J. Williams, L. Jian, K. W. McLean, T. E. Coan, A. J. Weinstein, G. D. Gollin, Jiejun Wu, S. Schrenk, Tomasz Skwarnicki, J. G. Smith, C. P. Jessop, R. Janicek, A. Undrus, Marina Artuso, B. Valant-Spaight, P. Skubic, H. N. Nelson, R. S. Galik, M. M. Zoeller, F. Blanc, J. Urheim, G. E. Gladding, Jon J Thaler, Vivek Sharma, S. J. Richichi, S. Prell, W. T. Ford, A. I. Rubiera, C. D. Jones, K. Bukin, A. Smith, R. D. Kass, M.A. Palmer, John Yelton, R. Mahapatra, B. E. Berger, K. M. Ecklund, A. L. Lyon, Xingjiang Zhou, Karl Berkelman, M. Saleem, I. Danko, M. Dickson, L. K. Gibbons, V. V. Frolov, T. K. Pedlar, P. S. Drell, D. L. Hartill, J. L. Rodriguez, C. Plager, Y. S. Gao, S. Anderson, J. Ernst, I. Narsky, C. Boulahouache, T. S. Hill, R. Ehrlich, G. Viehhauser, N. B. Mistry, E. von Toerne, J. J. O'Neill, A. Magerkurth, S. McGee, Sheldon Stone, K. Honscheid, F. R. Wappler, J. B. Thayer, L. Ling, Paul Avery, A. Ershov, G. C. Moneti, J. E. Duboscq, D. Urner, E. I. Shibata, E. Johnson, D. Hufnagel, K. W. Edwards, T. Bergfeld, J. Fast, H. Yamamoto, H. Schwarthoff, N. Kwak, C.Y. Prescott, Jianqiao Ye, S. E. Csorna, K. Kinoshita, G. W. Brandenburg, E. Dambasuren, Jing Wang, G. Majumder, D. H. Miller, Sacha E Kopp, M. S. Alam, P. Gaidarev, Daniel P Cronin-Hennessy, R. Ayad, E. M. Potter, P. I. Hopman, R. Poling, V. Pavlunin, G. Masek, Juliet Ritchie Patterson, and Horst Severini
Subjects: Physics, High energy, 010308 nuclear & particles physics, General Physics and Astronomy, Charge (physics), Elementary particle, Lambda baryon, 01 natural sciences, 7. Clean energy, Nuclear physics, 0103 physical sciences, Fermilab, 010306 general physics, Conjugate
Abstract: A precise measurement of the Λ c + lifetime using approximately 1340 fully reconstructed Λ c + →pK - π + and charge conjugate decays is presented. The data were accumulated by the Fermilab high energy photoproduction experiment E687. The lifetime of the Λ c + is measured to be 0.215±0.016±0.008 ps
Published: 2001

19. First Observation of theΣc+Baryon and a New Measurement of theΣc+Mass

Author: G. C. Moneti, D. Urner, E. I. Shibata, E. Johnson, E. H. Thorndike, T. O. Meyer, Ian Shipsey, D. L. Kreinick, M.A. Palmer, D. Cinabro, B. H. Behrens, C.Y. Prescott, A. D. Foland, G. Bonvicini, J. P. Alexander, J. Roy, B. Gittelman, T. E. Browder, W. M. Sun, Ryszard Stroynowski, S.C. Timm, V. Savinov, Richard Wilson, A. Gritsan, R. S. Galik, Alice Bean, R. Ammar, F. Würthwein, K. Honscheid, S. Ahmed, Jianqiao Ye, G. J. Zhou, S. P. Pappas, Xingjiang Zhou, M. M. Zoeller, C. Bebek, D. Hufnagel, J. Williams, E. Eckhart, I. Danko, S. E. Csorna, C. Sedlack, J. Urheim, M. Dickson, T. K. Pedlar, C. Boulahouache, S. McGee, J. E. Duboscq, L. P. Perera, J. L. Rodriguez, X. Zhao, K. K. Gan, Shuai Chen, A. Anastassov, T. Wlodek, G. Viehhauser, L. Jian, K. W. Edwards, B. K. Heltsley, R. Baker, Jiejun Wu, N. B. Mistry, E. Lipeles, S. J. Lee, G. D. Gollin, H. P. Paar, P. Skubic, D. Riley, Marina Artuso, F. Blanc, G. E. Gladding, R. Janicek, L. K. Gibbons, D. E. Jaffe, A. Shapiro, V. V. Frolov, K. M. Ecklund, K. Kinoshita, A. L. Lyon, E. Nordberg, L. Ling, R. Davis, A. Wolf, T. E. Coan, A. J. Weinstein, G. W. Brandenburg, Tomasz Skwarnicki, Y. S. Gao, K. Bukin, A. Ershov, T. Bergfeld, J. J. Thaler, S. J. Richichi, S. Schuh, D. Y.J. Kim, H. Marsiske, I. Narsky, R. M. Hans, J. Ernst, Karl Berkelman, Sacha E Kopp, M. L. Perl, M. S. Alam, Jason Sang Hun Lee, M. Saleem, T. S. Hill, V. Boisvert, D. Peterson, A. Eppich, Yuichi Kubota, S. B. Athar, R. Ehrlich, K. W. McLean, Daniel P Cronin-Hennessy, Persis S. Drell, V. Fadeyev, Andreas Warburton, J. Zheng, Z. Xu, N. Kwak, R. Ayad, R. Godang, M. Schmidtler, R. Mountain, Vivek Sharma, Sz Márka, A. Smith, E. M. Potter, D. G. Cassel, E. von Toerne, J. J. O'Neill, J. Fast, P. I. Hopman, B. Valant-Spaight, D. M. Asner, A. H. Mahmood, Y. Li, C. Gwon, E. Dambasuren, H. Yamamoto, H. Schwarthoff, M. Lohner, P. M. Patel, J. G. Thayer, Jing Wang, G. Majumder, A. Undrus, I. Karliner, B. I. Eisenstein, D. H. Miller, C. J. Stepaniak, P. Gaidarev, Sheldon Stone, Paul Avery, C. D. Jones, S. Schrenk, J. G. Smith, C. P. Jessop, S. Prell, B. E. Berger, T. Hart, Yurii Maravin, I. C. Lai, T. Riehle, M. A. Marsh, R. Poling, H. Kagan, V. Pavlunin, S. W. Gray, S. Karamov, G. P. Chen, R. A. Briere, R. J. Morrison, Mats A Selen, A. J. Sadoff, D. L. Hartill, C. Plager, S. Anderson, J. W. Hinson, A. Magerkurth, David Zeke Besson, F. R. Wappler, J. B. Thayer, John Yelton, R. Mahapatra, G. Masek, Juliet Ritchie Patterson, Horst Severini, W. T. Ford, A. I. Rubiera, and R. D. Kass
Subjects: Physics, Electron storage, Baryon, Particle physics, 010308 nuclear & particles physics, Electron–positron annihilation, 0103 physical sciences, General Physics and Astronomy, Sigma, 010306 general physics, 01 natural sciences, Mass measurement
Abstract: Using data recorded with the CLEO II and CLEO II.V detector configurations at the Cornell Electron Storage Rings, we report the first observation and mass measurement of the ${\ensuremath{\Sigma}}_{c}^{*+}$ charmed baryon, and an updated measurement of the mass of the ${\ensuremath{\Sigma}}_{c}^{+}$ baryon. We find $M({\ensuremath{\Sigma}}_{c}^{*+})\ensuremath{-}M({\ensuremath{\Lambda}}_{c}^{+})\phantom{\rule{0ex}{0ex}}=\phantom{\rule{0ex}{0ex}}(231.0\ifmmode\pm\else\textpm\fi{}1.1\ifmmode\pm\else\textpm\fi{}2.0)\phantom{\rule{0ex}{0ex}}\mathrm{MeV}$, and $M({\ensuremath{\Sigma}}_{c}^{+})\ensuremath{-}M({\ensuremath{\Lambda}}_{c}^{+})\phantom{\rule{0ex}{0ex}}=\phantom{\rule{0ex}{0ex}}(166.4\ifmmode\pm\else\textpm\fi{}0.2\ifmmode\pm\else\textpm\fi{}0.3)\phantom{\rule{0ex}{0ex}}\mathrm{MeV}$, where the errors are statistical and systematic, respectively.
Published: 2001

20. Study ofBDecays to Charmonium States:B→ηcKandB→χc0K

Author: K. W. Edwards, R. Janicek, P. M. Patel, A. J. Sadoff, R. Ammar, A. Bean, D. Besson, R. Davis, N. Kwak, X. Zhao, S. Anderson, V. V. Frolov, Y. Kubota, S. J. Lee, R. Mahapatra, J. J. O'Neill, R. Poling, T. Riehle, A. Smith, C. J. Stepaniak, J. Urheim, S. Ahmed, M. S. Alam, S. B. Athar, L. Jian, L. Ling, M. Saleem, S. Timm, F. Wappler, A. Anastassov, J. E. Duboscq, E. Eckhart, K. K. Gan, C. Gwon, T. Hart, K. Honscheid, D. Hufnagel, H. Kagan, R. Kass, T. K. Pedlar, H. Schwarthoff, J. B. Thayer, E. von Toerne, M. M. Zoeller, S. J. Richichi, H. Severini, P. Skubic, A. Undrus, S. Chen, J. Fast, J. W. Hinson, J. Lee, D. H. Miller, E. I. Shibata, I. P. J. Shipsey, V. Pavlunin, D. Cronin-Hennessy, A. L. Lyon, E. H. Thorndike, C. P. Jessop, H. Marsiske, M. L. Perl, V. Savinov, D. Ugolini, X. Zhou, T. E. Coan, V. Fadeyev, Y. Maravin, I. Narsky, R. Stroynowski, J. Ye, T. Wlodek, M. Artuso, R. Ayad, C. Boulahouache, K. Bukin, E. Dambasuren, S. Karamov, G. Majumder, G. C. Moneti, R. Mountain, S. Schuh, T. Skwarnicki, S. Stone, G. Viehhauser, J. C. Wang, A. Wolf, J. Wu, S. Kopp, A. H. Mahmood, S. E. Csorna, I. Danko, K. W. McLean, Sz. Márka, Z. Xu, R. Godang, K. Kinoshita, I. C. Lai, S. Schrenk, G. Bonvicini, D. Cinabro, S. McGee, L. P. Perera, G. J. Zhou, E. Lipeles, S. P. Pappas, M. Schmidtler, A. Shapiro, W. M. Sun, A. J. Weinstein, F. Würthwein, D. E. Jaffe, G. Masek, H. P. Paar, E. M. Potter, S. Prell, V. Sharma, D. M. Asner, A. Eppich, T. S. Hill, R. J. Morrison, R. A. Briere, B. H. Behrens, W. T. Ford, A. Gritsan, J. Roy, J. G. Smith, J. P. Alexander, R. Baker, C. Bebek, B. E. Berger, K. Berkelman, F. Blanc, V. Boisvert, D. G. Cassel, M. Dickson, P. S. Drell, K. M. Ecklund, R. Ehrlich, A. D. Foland, P. Gaidarev, L. Gibbons, B. Gittelman, S. W. Gray, D. L. Hartill, B. K. Heltsley, P. I. Hopman, C. D. Jones, D. L. Kreinick, M. Lohner, A. Magerkurth, T. O. Meyer, N. B. Mistry, E. Nordberg, J. R. Patterson, D. Peterson, D. Riley, J. G. Thayer, P. G. Thies, B. Valant-Spaight, A. Warburton, P. Avery, C. Prescott, A. I. Rubiera, J. Yelton, J. Zheng, G. Brandenburg, A. Ershov, Y. S. Gao, D. Y.-J. Kim, R. Wilson, T. E. Browder, Y. Li, J. L. Rodriguez, H. Yamamoto, T. Bergfeld, B. I. Eisenstein, J. Ernst, G. E. Gladding, G. D. Gollin, R. M. Hans, E. Johnson, I. Karliner, M. A. Marsh, M. Palmer, C. Plager, C. Sedlack, M. Selen, J. J. Thaler, and J. Williams
Subjects: Physics, Particle physics, Factorization, 010308 nuclear & particles physics, Branching fraction, 0103 physical sciences, General Physics and Astronomy, 010306 general physics, 01 natural sciences
Abstract: In a sample of $9.66\times 10^6 B\bar{B}$ pairs collected with the CLEO detector we make the first observation of B decays to an $\eta_c$ and a kaon. We measure branching fractions $BR(B^+\to\eta_c K^+) = (0.69 + 0.26 - 0.21 +- 0.08 +- 0.20)\times 10^{-3}$ and $BR(B^0\to\eta_c K^0) = (1.09 + 0.55 - 0.42 +- 0.12 +- 0.31)\times 10^{-3}$, where the first error is statistical, the second is systematic and the third is from the $\eta_c$ branching fraction uncertainty. From these we extract the $\eta_c$ decay constant in the factorization approximation, $f_{\eta_c} = 335 +- 75$ MeV. We also search for B decays to a $\chi_{c0}$ and a kaon. No evidence for a signal is found and we set 90% CL upper limits: $BR(B^+\to\chi_{c0} K^+) < 4.8\times 10^{-4}$ and $BR(B^0\to\chi_{c0} K^0) < 5.0\times 10^{-4}$.
Published: 2001

21. Assessing Classifier Performance

Author: Frank C. Porter and I. Narsky
Subjects: Computer science, business.industry, Multiple comparisons problem, Area under curve, Pattern recognition, Artificial intelligence, Machine learning, computer.software_genre, business, Classifier (UML), computer
Published: 2013

22. Basic Concepts and Definitions of Machine Learning

Author: I. Narsky and Frank C. Porter
Subjects: Learning classifier system, Active learning (machine learning), business.industry, Computer science, Algorithmic learning theory, Multi-task learning, Semi-supervised learning, Machine learning, computer.software_genre, Computational learning theory, Unsupervised learning, Instance-based learning, Artificial intelligence, business, computer
Published: 2013

23. Introduction to Classification

Author: Frank C. Porter and I. Narsky
Subjects: Computer science, business.industry, Bootstrap aggregating, Pattern recognition, Artificial intelligence, Machine learning, computer.software_genre, business, computer, Cross-validation
Published: 2013

24. Decision Trees

Author: Frank C. Porter and I. Narsky
Subjects: Computer science, business.industry, Decision tree, Artificial intelligence, Machine learning, computer.software_genre, business, computer
Published: 2013

25. Bump Hunting in Multivariate Data

Author: Frank C. Porter and I. Narsky
Subjects: Multivariate statistics, Computer science, business.industry, Supervised learning, Voronoi tesselation, Pattern recognition, Prim's algorithm, Artificial intelligence, business, Coordinate descent, Pattern search, Bump hunting
Published: 2013

26. Linear Transformations and Dimensionality Reduction

Author: I. Narsky and Frank C. Porter
Subjects: Discrete mathematics, Linear map, Dimensionality reduction, Singular value decomposition, Entropy (information theory), Applied mathematics, Eigendecomposition of a matrix, Mathematics
Published: 2013

27. Parametric Likelihood Fits

Author: I. Narsky and Frank C. Porter
Subjects: Score test, Restricted maximum likelihood, Likelihood-ratio test, Statistics, Econometrics, Nuisance parameter, Likelihood function, Likelihood principle, Marginal likelihood, Mathematics, Parametric statistics
Published: 2013

28. Goodness of Fit

Author: I. Narsky and Frank C. Porter
Subjects: Goodness of fit, Multivariate test, Statistics, Chi-square test, Classifier (UML), Mathematics
Published: 2013

29. Local Learning and Kernel Expansion

Author: I. Narsky and Frank C. Porter
Subjects: Mathematical optimization, Theoretical computer science, Kernel method, Kernel embedding of distributions, String kernel, Variable kernel density estimation, Polynomial kernel, Kernel (statistics), Radial basis function kernel, Kernel principal component analysis, Mathematics
Published: 2013

30. Reducing Multiclass to Binary

Author: Frank C. Porter and I. Narsky
Subjects: Computer science, business.industry, Encoding (memory), Binary number, Hamming distance, Pattern recognition, Artificial intelligence, business, Decoding methods
Published: 2013

31. How to Choose the Right Classifier for Your Analysis and Apply It Correctly

Author: Frank C. Porter and I. Narsky
Subjects: business.industry, Computer science, Artificial intelligence, Machine learning, computer.software_genre, business, computer, Slicing, Classifier (UML), Interpretability
Published: 2013

32. Linear and Quadratic Discriminant Analysis, Logistic Regression, and Partial Least Squares Regression

Author: Frank C. Porter and I. Narsky
Subjects: Proper linear model, business.industry, Linear regression, Partial least squares regression, Principal component regression, Pattern recognition, Generalized least squares, Artificial intelligence, Quadratic classifier, business, Linear discriminant analysis, Iris flower data set, Mathematics
Abstract: In this chapter, we review, for the most part, linear methods for classification. The only exception is quadratic discriminant analysis, a straightforward generalization of a linear technique. These methods are best known for their simplicity. A linear decision boundary is easy to understand and visualize, even in many dimensions. An example of such a boundary is shown in Figure 11.1 for Fisher iris data. Because of their high interpretability, linear methods are often the first choice for data analysis. They can be the only choice if the analyst seeks to discover linear relationships between variables and classes. If the analysis goal is maximization of the predictive power and the data do not have a linear structure, nonparametric nonlinear methods should be favored over simple interpretable techniques. Linear discriminant analysis (LDA), also known as Fisher discriminant, has been a very popular technique in particle and astrophysics. Quadratic discriminant analysis (QDA) is its closest cousin.
Published: 2013

33. Methods for Variable Ranking and Selection

Author: Frank C. Porter and I. Narsky
Subjects: Variable (computer science), Ranking, business.industry, Mutual information, Artificial intelligence, Machine learning, computer.software_genre, business, computer, Selection (genetic algorithm), Mathematics
Published: 2013

34. Why We Wrote This Book and How You Should Read It

Author: I. Narsky and Frank C. Porter
Subjects: Computer science, business.industry, Supervised learning, Unsupervised learning, Artificial intelligence, business, Machine learning, computer.software_genre, computer
Published: 2013

35. Software Packages for Machine Learning

Author: Frank C. Porter and I. Narsky
Subjects: Software, Java, Computer science, Programming language, business.industry, Python (programming language), MATLAB, computer.software_genre, business, computer, computer.programming_language
Published: 2013

36. Appendix A: Optimization Algorithms

Author: Frank C. Porter and I. Narsky
Subjects: medicine.anatomical_structure, Optimization algorithm, Computer science, medicine, Algorithm, Appendix
Published: 2013

37. Observation ofB→K±π0andB→K0π0, and Evidence forB→π+π−

Author: H. Kagan, Xingjiang Zhou, I. Danko, M. Dickson, D. E. Jaffe, T. K. Pedlar, R. J. Morrison, Mats A Selen, Y. S. Gao, D. L. Hartill, A. J. Sadoff, R. Poling, V. Pavlunin, L. P. Perera, C. R. Ng, C. Plager, S. Anderson, A. Magerkurth, E. Dambasuren, D. Peterson, Jing Wang, G. Majumder, T. S. Hill, K. W. McLean, R. Ehrlich, G. Masek, C. Bebek, D. H. Miller, F. R. Wappler, T. Wlodek, A. H. Mahmood, R. Ammar, Juliet Ritchie Patterson, T. O. Meyer, R. Janicek, E. H. Thorndike, P. Gaidarev, C.Y. Prescott, Sergey Karamnov, Horst Severini, A. Wolf, R. M. Hans, G. Bonvicini, J. P. Alexander, S. E. Csorna, Andreas Warburton, X. Zhao, J. L. Rodriguez, I. C. Lai, G. Viehhauser, K. Honscheid, H. P. Paar, John Yelton, R. Mahapatra, J. Zheng, Jianqiao Ye, N. B. Mistry, K. Kinoshita, J. J. Thaler, A. D. Foland, M. A. Marsh, Sacha E Kopp, Y. Kwon, V. Savinov, M. S. Alam, W. T. Ford, D. Z. Besson, Ian Shipsey, G. W. Brandenburg, A. I. Rubiera, R. D. Kass, Daniel P Cronin-Hennessy, L. Ling, A. Ershov, J. E. Duboscq, K. W. Edwards, B. H. Behrens, R. Davis, D. Y.J. Kim, N. Kwak, K. K. Gan, Vivek Sharma, A. Smith, A. Shapiro, B. K. Heltsley, E. Lipeles, R. Ayad, E. M. Potter, S. J. Lee, G. D. Gollin, C. Sedlack, D. M. Asner, J. Lorenc, J. Williams, P. I. Hopman, Shuai Chen, A. Anastassov, Y. Li, C. Gwon, M. Lohner, R. Baker, Jiejun Wu, P. M. Patel, D. L. Kreinick, J. G. Thayer, E. Nordberg, P. Skubic, T. E. Browder, G. Eigen, S. B. Athar, H. Marsiske, Sheldon Stone, Paul Avery, T. E. Coan, A. J. Weinstein, V. Fadeyev, S. Schuh, Richard Wilson, A. Gritsan, Yurii Maravin, J. Fast, H. Yamamoto, H. Schwarthoff, Tomasz Skwarnicki, B. Valant-Spaight, H. N. Nelson, K. Bukin, F. Blanc, G. E. Gladding, M.A. Palmer, Alice Bean, S. J. Richichi, D. Riley, Jason Sang Hun Lee, V. Boisvert, A. Eppich, M. M. Zoeller, K. M. Ecklund, A. L. Lyon, F. Würthwein, M. L. Perl, J. Urheim, Yuichi Kubota, I. Narsky, G. J. Zhou, T. Bergfeld, T. Hart, T. Riehle, D. Ugolini, S. W. Gray, S. Schrenk, J. G. Smith, C. P. Jessop, S. Prell, R. A. Briere, Ilya Kravchenko, J. W. Hinson, N. Menon, C. Boulahouache, C. D. Jones, J. Roy, W. M. Sun, Ryszard Stroynowski, D. Hufnagel, B. E. Berger, G. C. Moneti, P. G. Thies, L. K. Gibbons, V. V. Frolov, E. I. Shibata, E. Johnson, S. Ahmed, Z. Xu, Sz Márka, A. Undrus, E. von Toerne, J. J. O'Neill, J. Gronberg, D. Cinabro, S.C. Timm, B. Gittelman, P. S. Drell, J. Ernst, Dj Lange, Karl Berkelman, M. Saleem, L. Jian, Marina Artuso, R. Godang, M. Schmidtler, R. Mountain, D. G. Cassel, I. Karliner, and B. I. Eisenstein
Subjects: Physics, Particle physics, Particle decay, Crystallography, Pion, Branching fraction, Electron–positron annihilation, Hadron, Mass spectrum, Pi, General Physics and Astronomy, B meson
Abstract: We have studied charmless hadronic decays of B mesons into two-body final states with kaons and pions and observe three new processes with the following branching fractions: B(B{yields}{pi}{sup +}{pi}{sup -})=(4.3{sup +1.6}{sub -1.4}{+-}0.5)x10{sup -6} , B(B{yields}K{sup 0}{pi}{sup 0}) =(14.6{sup +5.9+2.4}{sub -5.1-3.3})x 10{sup -6} , and B(B{yields}K{sup {+-}}{pi}{sup 0} )=(11.6{sup +3.0+1.4}{sub -2.7-1.3}) x10{sup -6} . We also update our previous measurements for the decays B{yields}K{sup {+-}}{pi}{sup {+-}} and B{sup {+-}}{yields}K{sup 0}{pi}{sup {+-}} . (c) 2000 The American Physical Society.
Published: 2000

38. Measurement of Charge Asymmetries in Charmless HadronicBMeson Decays

Author: C. D. Jones, D. G. Cassel, B. E. Berger, N. Kwak, A. J. Weinstein, Tomasz Skwarnicki, J. Urheim, S. Schrenk, J. G. Smith, C. P. Jessop, R. Davis, Xingjiang Zhou, R. J. Morrison, Mats A Selen, H. N. Nelson, M. Lohner, A. J. Sadoff, I. Danko, T. O. Meyer, D. Peterson, M. Dickson, T. K. Pedlar, J. Roy, W. M. Sun, Ryszard Stroynowski, S. J. Richichi, S. Prell, D. L. Kreinick, K. W. McLean, D. Hufnagel, I. Karliner, L. K. Gibbons, V. V. Frolov, J. Gronberg, S.C. Timm, Richard Wilson, A. Gritsan, Yurii Maravin, B. I. Eisenstein, D. Y.J. Kim, V. Savinov, T. Hart, G. J. Zhou, P. S. Drell, T. E. Browder, Dj Lange, R. Godang, M. Schmidtler, D. Z. Besson, G. C. Moneti, R. M. Hans, C. Bebek, P. G. Thies, T. L. Coan, J. Ernst, G. Eigen, J. R. Patterson, T. Riehle, K. K. Gan, E. I. Shibata, G. Bonvicini, J. P. Alexander, J. J. Thaler, S. E. Csorna, Karl Berkelman, S. Schuh, L. Ling, H. P. Paar, R. Mountain, M. Saleem, C. Sedlack, E. von Toerne, J. J. O'Neill, Andreas Warburton, Z. Xu, E. Johnson, D. Cinabro, D. Ugolini, Sz Márka, M. M. Zoeller, Sheldon Stone, J. Zheng, R. Ammar, B. Gittelman, Alice Bean, A. Ershov, A. Shapiro, I. C. Lai, J. Lorenc, S. W. Gray, D. M. Asner, Paul Avery, C. Gwon, Jason Sang Hun Lee, I. P.J. Shipsey, P. M. Patel, J. G. Thayer, A. Undrus, V. Boisvert, A. Eppich, E. Nordberg, A. Wolf, S. Ahmed, D. Riley, N. Menon, Jiejun Wu, L. H. Thorndike, R. A. Briere, C. Boulahouache, Sacha E Kopp, M. A. Marsh, M. S. Alam, F. Würthwein, G. W. Brandenburg, P. Skubic, W. T. Ford, A. I. Rubiera, F. Blanc, G. E. Gladding, R. D. Kass, D. E. Jaffe, Vivek Sharma, M. L. Perl, R. Janicek, A. Smith, Daniel P Cronin-Hennessy, A. H. Mahmood, Yuichi Kubota, K. Kinoshita, Ilya Kravchenko, J. Fast, K. M. Ecklund, S. B. Athar, J. L. Rodriguez, H. Yamamoto, H. Schwarthoff, L. P. Perera, A. L. Lyon, J. W. Hinson, L. Jian, G. Viehhauser, N. B. Mistry, Marina Artuso, B. K. Heltsley, R. Ayad, E. M. Potter, E. Lipeles, S. J. Lee, G. D. Gollin, P. I. Hopman, E. Dambasuren, Jing Wang, G. Majumder, D. H. Miller, P. Gaidarev, T. Bergfeld, Harris Kagan, C.Y. Prescott, Jianqiao Ye, Shuai Chen, A. Anastassov, R. Baker, K. Honscheid, J. E. Duboscq, K. Bukin, D. L. Hartill, R. Poling, V. Pavlunin, C. R. Ng, I. Narsky, G. Masek, Sergey Karamnov, Horst Severini, T. Wlodek, M.A. Palmer, John Yelton, R. Mahapatra, K. W. Edwards, B. H. Behrens, X. Zhao, C. Plager, S. Anderson, A. Magerkurth, Y. Kwon, H. Marsiske, F. R. Wappler, Y. S. Gao, V. Fadeyev, B. Valant-Spaight, Yang Li, T. S. Hill, R. Ehrlich, A. D. Foland, and J. Williams
Subjects: Physics, Particle physics, Meson, 010308 nuclear & particles physics, Branching fraction, Hyperon, FOS: Physical sciences, General Physics and Astronomy, Omega baryon, 01 natural sciences, Omega, High Energy Physics - Experiment, Nuclear physics, High Energy Physics - Experiment (hep-ex), Particle decay, Pion, 0103 physical sciences, High Energy Physics::Experiment, B meson, 010306 general physics
Abstract: We search for CP-violating asymmetries (Acp) in the B meson decays to K+- pi-+, K+- pi0, Ks pi+-, K+- eta', and omega pi+-. Using 9.66 million Upsilon(4S) decays collected with the CLEO detector, the statistical precision on Acp is in the range of \pm 0.12 to \pm 0.25 depending on decay mode. While CP-violating asymmetries of up to \pm 0.5 are possible within the Standard Model, the measured asymmetries are consistent with zero in all five decay modes studied., 10 pages, 3 figures
Published: 2000

39. Search forCPViolation inB±→J/ψK±andB±→ψ(2S)K±Decays

Author: G. Bonvicini, D. Cinabro, S. McGee, L. P. Perera, G. J. Zhou, E. Lipeles, S. Pappas, M. Schmidtler, A. Shapiro, W. M. Sun, A. J. Weinstein, F. Würthwein, D. E. Jaffe, G. Masek, H. P. Paar, E. M. Potter, S. Prell, V. Sharma, D. M. Asner, A. Eppich, T. S. Hill, R. J. Morrison, H. N. Nelson, R. A. Briere, B. H. Behrens, W. T. Ford, A. Gritsan, J. Roy, J. G. Smith, J. P. Alexander, R. Baker, C. Bebek, B. E. Berger, K. Berkelman, F. Blanc, V. Boisvert, D. G. Cassel, M. Dickson, P. S. Drell, K. M. Ecklund, R. Ehrlich, A. D. Foland, P. Gaidarev, L. Gibbons, B. Gittelman, S. W. Gray, D. L. Hartill, B. K. Heltsley, P. I. Hopman, C. D. Jones, D. L. Kreinick, M. Lohner, A. Magerkurth, T. O. Meyer, N. B. Mistry, E. Nordberg, J. R. Patterson, D. Peterson, D. Riley, J. G. Thayer, P. G. Thies, B. Valant-Spaight, A. Warburton, P. Avery, C. Prescott, A. I. Rubiera, J. Yelton, J. Zheng, G. Brandenburg, A. Ershov, Y. S. Gao, D. Y.-J. Kim, R. Wilson, T. E. Browder, Y. Li, J. L. Rodriguez, H. Yamamoto, T. Bergfeld, B. I. Eisenstein, J. Ernst, G. E. Gladding, G. D. Gollin, R. M. Hans, E. Johnson, I. Karliner, M. A. Marsh, M. Palmer, C. Plager, C. Sedlack, M. Selen, J. J. Thaler, J. Williams, K. W. Edwards, R. Janicek, P. M. Patel, A. J. Sadoff, R. Ammar, A. Bean, D. Besson, R. Davis, N. Kwak, X. Zhao, S. Anderson, V. V. Frolov, Y. Kubota, S. J. Lee, R. Mahapatra, J. J. O'Neill, R. Poling, T. Riehle, A. Smith, J. Urheim, S. Ahmed, M. S. Alam, S. B. Athar, L. Jian, L. Ling, A. H. Mahmood, M. Saleem, S. Timm, F. Wappler, A. Anastassov, J. E. Duboscq, K. K. Gan, C. Gwon, T. Hart, K. Honscheid, D. Hufnagel, H. Kagan, R. Kass, T. K. Pedlar, H. Schwarthoff, J. B. Thayer, E. von Toerne, M. M. Zoeller, S. J. Richichi, H. Severini, P. Skubic, A. Undrus, S. Chen, J. Fast, J. W. Hinson, J. Lee, N. Menon, D. H. Miller, E. I. Shibata, I. P. J. Shipsey, V. Pavlunin, D. Cronin-Hennessy, Y. Kwon, A. L. Lyon, E. H. Thorndike, C. P. Jessop, H. Marsiske, M. L. Perl, V. Savinov, D. Ugolini, X. Zhou, T. E. Coan, V. Fadeyev, Y. Maravin, I. Narsky, R. Stroynowski, J. Ye, T. Wlodek, M. Artuso, R. Ayad, C. Boulahouache, K. Bukin, E. Dambasuren, S. Karamov, G. Majumder, G. C. Moneti, R. Mountain, S. Schuh, T. Skwarnicki, S. Stone, G. Viehhauser, J. C. Wang, A. Wolf, J. Wu, S. Kopp, S. E. Csorna, I. Danko, K. W. McLean, Sz. Márka, Z. Xu, R. Godang, K. Kinoshita, I. C. Lai, and S. Schrenk
Subjects: Physics, Particle decay, Crystallography, Meson, 010308 nuclear & particles physics, 0103 physical sciences, General Physics and Astronomy, CP violation, Charge (physics), Atomic physics, 010306 general physics, 01 natural sciences
Abstract: We present a search for direct CP violation in B{sup {+-}}{yields}J/{psi}K{sup {+-}} and B{sup {+-}}{yields}{psi}(2S)K{sup {+-}} decays. In a sample of 9.7x10{sup 6} BB meson pairs collected with the CLEO detector, we have fully reconstructed 534 B{sup {+-}}{yields}J/{psi} K{sup {+-}} and 120 B{sup {+-}}{yields}{psi}(2 S)K{sup {+-}} decays with very low background. We have measured the CP -violating charge asymmetry to be [+1.8{+-}4.3(stat){+-}0. 4(syst)]% for B{sup {+-}}{yields}J/{psi}K{sup {+-}} and [+2.0{+-}9.1(stat){+-}1. 0(syst)]% for B{sup {+-}}{yields}{psi}(2S)K{sup {+-}} . (c) 2000 The American Physical Society.
Published: 2000

40. Search for the DecayB¯0→D*0γ

Author: E. H. Thorndike, A. Wolf, Karl Berkelman, P. S. Drell, R. A. Briere, M. Saleem, G. Bonvicini, R. Ayad, J. P. Alexander, T. O. Meyer, L. P.J. Shipsey, E. M. Potter, J. Ernst, P. I. Hopman, S. B. Athar, L. P. Perera, R. Godang, M. M. Zoeller, Y. Kwon, V. Savinov, J. Urheim, D. Cinabro, S. E. Csorna, S.C. Timm, G. Masek, R. Davis, Juliet Ritchie Patterson, C. Sedlack, D. Z. Besson, B. Gittelman, Yurii Maravin, J. W. Hinson, M. Schmidtler, C. Bebek, T. Hart, Dj Lange, K. Kinoshita, G. W. Brandenburg, T. E. Coan, J. J. Thaler, D. G. Cassei, A. J. Weinstein, X. J. Zhou, K. Honscheid, Jiejun Wu, E. Dambasuren, I. Danko, Jing Wang, T. Wlodek, G. Majumder, Horst Severini, K. W. Edwards, P. Skubic, Tomasz Skwarnicki, M. Dickson, T. K. Pedlar, G. D. Gomn, L. K. Gibbons, V. V. Frolov, Z. Xu, D. E. Jaffe, T. Riehle, D. H. Miller, Sz Márka, S. J. Richichi, L. Jian, L. C. Lai, E. von Toerne, Sheldon Stone, Paul Avery, J. J. O'Neill, P. Gaidarev, T. Bergfeld, J. L. Rodriguez, A. Undrus, J. E. Duboscq, D. Hufnagel, R. Mountain, D. Y.J. Kim, Marina Artuso, H. P. Paar, G. Viehhauser, R. Poling, B. H. Behrens, D. Ugolini, V. Pavlunin, A. H. Mahmood, W. T. Ford, Shuai Chen, A. Anastassov, R. Ammar, A. I. Rubiera, R. D. Kass, N. B. Mistry, J. Fast, N. Menon, S. W. Gray, S. Karamov, H. Yamamoto, H. Schwarthoff, E. Nordberg, A. Shapiro, R. G. Thies, C. Boulahouache, R. Baker, J. Roy, R. M. Hans, L. Ling, W. M. Sun, Ryszard Stroynowski, F. Würthwein, C.Y. Prescott, G. J. Zhou, A. Ershov, M. A. Marsh, S. Schrenk, Jianqiao Ye, J. G. Smith, C. P. Jessop, E. I. Shibata, K. Bukin, Andreas Warburton, S. Ahmed, S. Prell, D. Peterson, H. Marsiske, K. W. McLean, E. Johnson, J. Zheng, K. K. Gan, I. Narsky, C. D. Jones, G. C. Moneti, Vivek Sharma, A. Smith, B. E. Berger, V. Fadeyev, I. Karliner, B. Valant-Spaight, X. Zhao, M.A. Palmer, B. I. Eisenstein, A. D. Foland, J. Williams, John Yelton, R. Mahapatra, D. L. Hartill, C. Plager, S. Anderson, A. Magerkurth, F. R. Wappler, J. B. Thayer, H. Kagan, R. J. Morrison, Mats A Selen, T. S. Hill, A. J. Sadoff, R. Ehrlich, N. Kwak, Y. S. Gao, F. Blanc, G. E. Gladding, K. M. Ecklund, A. L. Lyon, D. L. Kreinick, T. E. Browder, B. K. Heltsley, E. Lipeles, S. J. Lee, Sacha E Kopp, M. S. Alam, Daniel P Cronin-Hennessy, D. Riley, R. Janicek, M. L. Perl, Yuichi Kubota, Richard Wilson, A. Gritsan, S. Schuh, D. M. Asner, Y. Li, C. Gwon, M. Lohner, P. M. Patel, J. G. Thayer, Alice Bean, Jason Sang Hun Lee, V. Boisvert, A. Eppich, and G. Eigen
Subjects: Physics, Particle physics, Meson, 010308 nuclear & particles physics, Branching fraction, Electron–positron annihilation, General Physics and Astronomy, 01 natural sciences, Standard Model, Baryon, Particle decay, 0103 physical sciences, Radiative transfer, High Energy Physics::Experiment, Cornell Electron Storage Ring, 010306 general physics
Abstract: We report results of a search for the rare radiative decay B(bar sign){sup 0}{yields}D{sup *0} {gamma} . Using 9.66x10{sup 6} BB(bar sign) meson pairs collected with the CLEO detector at the Cornell Electron Storage Ring, we set an upper limit on the branching ratio for this decay of 5.0x10{sup -5} at 90% C.L. This provides evidence that the anomalous enhancement is absent in W -exchange processes and that weak radiative B decays are dominated by the short-distance b{yields}s{gamma} mechanism in the standard model. (c) 2000 The American Physical Society.
Published: 2000

41. First Observation of the DecayB→J/ψφK

Author: Z. Xu, Sz Márka, A. Undrus, T. Hart, D. E. Jaffe, X. Zhao, K. Bukin, C.Y. Prescott, T. E. Coan, J. Gronberg, S.C. Timm, E. H. Thorndike, T. O. Meyer, Dj Lange, T. Riehle, Karl Berkelman, M. Saleem, A. D. Foland, Jianqiao Ye, A. J. Weinstein, D. L. Kreinick, John Yelton, R. Mahapatra, G. Bonvicini, J. P. Alexander, Tomasz Skwarnicki, C. Bebek, D. Ugolini, H. N. Nelson, R. M. Hans, Sacha E Kopp, T. Wlodek, M. S. Alam, T. E. Browder, L. Jian, S. W. Gray, S. Karamov, N. Menon, J. Roy, J. Williams, Y. Kwon, V. Savinov, I. Narsky, S. J. Richichi, G. Masek, Juliet Ritchie Patterson, W. M. Sun, Ryszard Stroynowski, Philip Baringer, D. Z. Besson, Daniel P Cronin-Hennessy, Marina Artuso, H. Marsiske, R. A. Briere, Xingjiang Zhou, J. J. Thaler, N. Kwak, C. Boulahouache, I. Danko, S. E. Csorna, Horst Severini, M. Dickson, T. K. Pedlar, Andreas Warburton, H. P. Paar, K. K. Gan, V. Fadeyev, W. T. Ford, A. I. Rubiera, M. M. Zoeller, I. P.J. Shipsey, Shuai Chen, A. Anastassov, L. P. Perera, R. D. Kass, J. L. Rodriguez, Ilya Kravchenko, B. Valant-Spaight, B. H. Behrens, I. Korolkov, D. L. Hartill, R. Poling, A. Wolf, A. Shapiro, M.A. Palmer, Y. S. Gao, R. Janicek, V. Pavlunin, C. R. Ng, J. W. Hinson, T. Bergfeld, L. K. Gibbons, V. V. Frolov, R. Baker, G. Viehhauser, E. Nordberg, K. Kinoshita, R. Ammar, G. C. Moneti, C. Sedlack, N. B. Mistry, B. K. Heltsley, G. W. Brandenburg, E. Lipeles, S. J. Lee, J. Lorenc, I. C. Lai, R. Davis, P. G. Thies, G. D. Gollin, D. G. Cassel, T. S. Hill, J. Zheng, S. Schuh, R. Ehrlich, D. Y.J. Kim, Jiejun Wu, S. Schrenk, M. A. Marsh, E. I. Shibata, F. Blanc, J. G. Smith, J. Fast, P. Skubic, C. P. Jessop, G. E. Gladding, F. Würthwein, H. Yamamoto, H. Schwarthoff, L. Ling, Vivek Sharma, Sheldon Stone, G. J. Zhou, A. Smith, D. Riley, S. Prell, Paul Avery, Alice Bean, K. M. Ecklund, R. Ayad, E. M. Potter, E. Johnson, A. L. Lyon, Jason Sang Hun Lee, E. von Toerne, S. B. Athar, P. I. Hopman, V. Boisvert, A. Eppich, A. Ershov, J. J. O'Neill, M. Lohner, Yurii Maravin, E. Dambasuren, Jing Wang, G. Majumder, D. Cinabro, J. Urheim, A. H. Mahmood, D. H. Miller, D. Hufnagel, P. Gaidarev, G. Eigen, B. Gittelman, M. L. Perl, I. Karliner, Yuichi Kubota, K. Honscheid, C. D. Jones, P. S. Drell, D. Peterson, K. W. McLean, J. Ernst, B. E. Berger, J. E. Duboscq, K. W. Edwards, B. I. Eisenstein, R. Godang, Richard Wilson, A. Gritsan, M. Schmidtler, H. Kagan, S. Ahmed, R. Mountain, R. J. Morrison, Mats A Selen, A. J. Sadoff, C. Plager, S. Anderson, A. Magerkurth, F. R. Wappler, D. M. Asner, Y. Li, C. Gwon, P. M. Patel, and J. G. Thayer
Subjects: Quark, Physics, Particle physics, Meson, Branching fraction, General Physics and Astronomy, High Energy Physics::Experiment, B meson, Event (particle physics)
Abstract: We present the first observation of the decay B{yields}J/{psi}{phi}K . Using 9.6x10{sup 6} BB meson pairs collected with the CLEO detector, we have observed ten fully reconstructed B{yields}J/{psi}{phi}K candidates, whereas the estimated background is 0.5{+-}0.2 event. We obtain a branching fraction of B(B{yields}J/{psi}{phi}K)=( 8.8{sup +3.5}{sub -3.0}[stat] {+-}1.3[syst])x10{sup -5} . This is the first observed B meson decay requiring the creation of an additional ss quark pair. (c) 2000 The American Physical Society.
Published: 2000

42. Search for Rare and Forbiddenη′Decays

Author: R. A. Briere, B. H. Behrens, W. T. Ford, A. Gritsan, H. Krieg, J. Roy, J. G. Smith, J. P. Alexander, R. Baker, C. Bebek, B. E. Berger, K. Berkelman, F. Blanc, V. Boisvert, D. G. Cassel, M. Dickson, S. von Dombrowski, P. S. Drell, K. M. Ecklund, R. Ehrlich, A. D. Foland, P. Gaidarev, R. S. Galik, L. Gibbons, B. Gittelman, S. W. Gray, D. L. Hartill, B. K. Heltsley, P. I. Hopman, C. D. Jones, D. L. Kreinick, T. Lee, Y. Liu, T. O. Meyer, N. B. Mistry, C. R. Ng, E. Nordberg, J. R. Patterson, D. Peterson, D. Riley, J. G. Thayer, P. G. Thies, B. Valant-Spaight, A. Warburton, P. Avery, M. Lohner, C. Prescott, A. I. Rubiera, J. Yelton, J. Zheng, G. Brandenburg, A. Ershov, Y. S. Gao, D. Y.-J. Kim, R. Wilson, T. E. Browder, Y. Li, J. L. Rodriguez, H. Yamamoto, T. Bergfeld, B. I. Eisenstein, J. Ernst, G. E. Gladding, G. D. Gollin, R. M. Hans, E. Johnson, I. Karliner, M. A. Marsh, M. Palmer, C. Plager, C. Sedlack, M. Selen, J. J. Thaler, J. Williams, K. W. Edwards, R. Janicek, P. M. Patel, A. J. Sadoff, R. Ammar, P. Baringer, A. Bean, D. Besson, D. Coppage, R. Davis, S. Kotov, I. Kravchenko, N. Kwak, X. Zhao, S. Anderson, V. V. Frolov, Y. Kubota, S. J. Lee, R. Mahapatra, J. J. O'Neill, R. Poling, T. Riehle, A. Smith, S. Ahmed, M. S. Alam, S. B. Athar, L. Jian, L. Ling, A. H. Mahmood, M. Saleem, S. Timm, F. Wappler, A. Anastassov, J. E. Duboscq, K. K. Gan, C. Gwon, T. Hart, K. Honscheid, H. Kagan, R. Kass, J. Lorenc, H. Schwarthoff, M. B. Spencer, E. von Toerne, M. M. Zoeller, S. J. Richichi, H. Severini, P. Skubic, A. Undrus, M. Bishai, S. Chen, J. Fast, J. W. Hinson, J. Lee, N. Menon, D. H. Miller, E. I. Shibata, I. P. J. Shipsey, Y. Kwon, A. L. Lyon, E. H. Thorndike, C. P. Jessop, K. Lingel, H. Marsiske, M. L. Perl, V. Savinov, D. Ugolini, X. Zhou, T. E. Coan, V. Fadeyev, I. Korolkov, Y. Maravin, I. Narsky, R. Stroynowski, J. Ye, T. Wlodek, M. Artuso, R. Ayad, E. Dambasuren, S. Kopp, G. Majumder, G. C. Moneti, R. Mountain, S. Schuh, T. Skwarnicki, S. Stone, A. Titov, G. Viehhauser, J. C. Wang, A. Wolf, J. Wu, S. E. Csorna, K. W. McLean, S. Marka, Z. Xu, R. Godang, K. Kinoshita, I. C. Lai, P. Pomianowski, S. Schrenk, G. Bonvicini, D. Cinabro, R. Greene, L. P. Perera, G. J. Zhou, S. Chan, G. Eigen, E. Lipeles, M. Schmidtler, A. Shapiro, W. M. Sun, J. Urheim, A. J. Weinstein, F. Würthwein, D. E. Jaffe, G. Masek, H. P. Paar, E. M. Potter, S. Prell, V. Sharma, D. M. Asner, A. Eppich, J. Gronberg, T. S. Hill, D. J. Lange, R. J. Morrison, T. K. Nelson, J. D. Richman, and D. Roberts
Subjects: Physics, Particle physics, 010308 nuclear & particles physics, Hadron, Eta meson, General Physics and Astronomy, Dalitz plot, Particle Data Group, Kinetic energy, 01 natural sciences, Nuclear physics, 0103 physical sciences, High Energy Physics::Experiment, Matrix element, Cornell Electron Storage Ring, Nuclear Experiment, 010306 general physics
Abstract: We have searched for the rare decays of the eta prime meson to e+ e- eta, e+ e- pizero, e+ e- gamma, and e mu in hadronic events at the CLEO II detector. The search is conducted on 4.80 fb^-1 of e+ e- collisions at the Cornell Electron Storage Ring. We find no signal in any of these modes, and set 90% confidence level upper limits on their branching fractions of 2.4 X 10^-3, 1.4 X 10^-3, 0.9 X 10^-3, and 4.7 X 10^-4, respectively. We also investigate the Dalitz plot of the common decay of the eta prime to pi+ pi- eta. We fit the matrix element with the Particle Data Group parameterization and find Re(alpha) = -0.021 +- 0.025, where alpha is a linear function of the kinetic energy of the eta.
Published: 2000

43. Evidence of New States Decaying intoΞc*π

Author: J. P. Alexander, R. Baker, C. Bebek, B. E. Berger, K. Berkelman, V. Boisvert, D. G. Cassel, D. S. Crowcroft, M. Dickson, S. von Dombrowski, P. S. Drell, K. M. Ecklund, R. Ehrlich, A. D. Foland, P. Gaidarev, L. Gibbons, B. Gittelman, S. W. Gray, D. L. Hartill, B. K. Heltsley, P. I. Hopman, D. L. Kreinick, T. Lee, Y. Liu, T. O. Meyer, N. B. Mistry, C. R. Ng, E. Nordberg, M. Ogg, J. R. Patterson, D. Peterson, D. Riley, J. G. Thayer, P. G. Thies, B. Valant-Spaight, A. Warburton, C. Ward, M. Athanas, P. Avery, C. D. Jones, M. Lohner, C. Prescott, A. I. Rubiera, J. Yelton, J. Zheng, G. Brandenburg, R. A. Briere, A. Ershov, Y. S. Gao, D. Y.-J. Kim, R. Wilson, T. E. Browder, Y. Li, J. L. Rodriguez, H. Yamamoto, T. Bergfeld, B. I. Eisenstein, J. Ernst, G. E. Gladding, G. D. Gollin, R. M. Hans, E. Johnson, I. Karliner, M. A. Marsh, M. Palmer, C. Plager, C. Sedlack, M. Selen, J. J. Thaler, J. Williams, K. W. Edwards, R. Janicek, P. M. Patel, A. J. Sadoff, R. Ammar, P. Baringer, A. Bean, D. Besson, D. Coppage, R. Davis, S. Kotov, I. Kravchenko, N. Kwak, X. Zhao, L. Zhou, S. Anderson, V. V. Frolov, Y. Kubota, S. J. Lee, R. Mahapatra, J. J. O'Neill, R. Poling, T. Riehle, A. Smith, M. S. Alam, S. B. Athar, A. H. Mahmood, S. Timm, F. Wappler, A. Anastassov, J. E. Duboscq, K. K. Gan, C. Gwon, T. Hart, K. Honscheid, H. Kagan, R. Kass, J. Lorenc, H. Schwarthoff, E. von Toerne, M. M. Zoeller, S. J. Richichi, H. Severini, P. Skubic, A. Undrus, M. Bishai, S. Chen, J. Fast, J. W. Hinson, J. Lee, N. Menon, D. H. Miller, E. I. Shibata, I. P. J. Shipsey, S. Glenn, Y. Kwon, A. L. Lyon, E. H. Thorndike, C. P. Jessop, K. Lingel, H. Marsiske, M. L. Perl, V. Savinov, D. Ugolini, X. Zhou, T. E. Coan, V. Fadeyev, I. Korolkov, Y. Maravin, I. Narsky, R. Stroynowski, J. Ye, T. Wlodek, M. Artuso, R. Ayad, E. Dambasuren, S. Kopp, G. Majumder, G. C. Moneti, R. Mountain, S. Schuh, T. Skwarnicki, S. Stone, A. Titov, G. Viehhauser, J. C. Wang, S. E. Csorna, K. W. McLean, S. Marka, Z. Xu, R. Godang, K. Kinoshita, I. C. Lai, P. Pomianowski, S. Schrenk, G. Bonvicini, D. Cinabro, R. Greene, L. P. Perera, G. J. Zhou, S. Chan, G. Eigen, E. Lipeles, M. Schmidtler, A. Shapiro, W. M. Sun, J. Urheim, A. J. Weinstein, F. Würthwein, D. E. Jaffe, G. Masek, H. P. Paar, E. M. Potter, S. Prell, V. Sharma, D. M. Asner, A. Eppich, J. Gronberg, T. S. Hill, D. J. Lange, R. J. Morrison, H. N. Nelson, T. K. Nelson, J. D. Richman, D. Roberts, B. H. Behrens, W. T. Ford, A. Gritsan, H. Krieg, J. Roy, and J. G. Smith
Subjects: Physics, Meson, 010308 nuclear & particles physics, General Physics and Astronomy, 01 natural sciences, Sigma baryon, Nuclear physics, Baryon, Charmed baryons, Particle decay, Crystallography, Pion, Isospin, 0103 physical sciences, Cornell Electron Storage Ring, 010306 general physics
Abstract: Using 13.7 fb(-1) of data recorded by the CLEO detector at Cornell Electron Storage Ring, we report evidence of two new charmed baryons: one decaying into Xi(0')(c)pi(+) with the subsequent decay Xi(0')(c)-->Xi(0)(c)gamma, and its isospin partner decaying into Xi(+')(c)pi(-) followed by Xi(+')(c)-->Xi(+)(c)gamma. We measure the following mass differences for the two states: M(Xi(0)(c)gammapi(+))-M(Xi(0)(c)) = 318.2+/-1.3+/-2.9 MeV and M(Xi(+)(c)gammapi(-))-M(Xi(+)(c)) = 324.0+/-1.3+/-3.0 MeV. We interpret these new states as the J(P) = 1 / 2(-) Xi(c1) particles, the charmed-strange analogs of the Lambda(+)(c1)(2593).
Published: 1999

44. Measurement of theB→DℓνBranching Fractions and Form Factor

Author: H. P. Paar, H. Yamamoto, R. Ammar, Richard Wilson, A. Gritsan, S. Schuh, N. Kwak, P. S. Drell, D. L. Hartill, A. Shapiro, I. C. Lai, H. Krieg, M. Bishai, J. Roy, W. M. Sun, Ryszard Stroynowski, C. R. Ng, C. Darling, D. E. Jaffe, S. Chan, K. Lingel, R. Godang, T. Lee, M. Schmidtler, D. Riley, E. Nordberg, P. Pomianowski, T. Bergfeld, J. Ernst, L. K. Gibbons, Alice Bean, J. Bartelt, V. Boisvert, M. Ogg, R. Davis, M. A. Marsh, Z. Xu, T. S. Hill, M. L. Perl, W. T. Ford, Y. J. Kwon, R. Mountain, Yuichi Kubota, Sz Márka, A. I. Rubiera, L. Zhou, Ilya Kravchenko, C. D. Jones, D. Cinabro, R. M. Hans, R. Ehrlich, R. D. Kass, H. Marsiske, Xingjiang Zhou, B. H. Behrens, J. W. Hinson, C.Y. Prescott, B. Gittelman, B. K. Heltsley, T. E. Coan, D. G. Cassel, A. H. Mahmood, Yurii Maravin, G. J. Zhou, A. Undrus, Alain Bellerive, E. Lipeles, S. J. Lee, D. M. Asner, Jianqiao Ye, V. Savinov, M. Dickson, G. D. Gollin, D. Z. Besson, S. Glenn, V. Fadeyev, Y. Li, Z. Ling, P. M. Patel, C. Ward, I. P.J. Shipsey, G. Eigen, R. Poling, Marina Artuso, Andreas Warburton, B. Valant-Spaight, J. Gronberg, S.C. Timm, K. Honscheid, S. Schrenk, Yanwen Liu, J. G. Smith, C. P. Jessop, I. Karliner, K. K. Gan, S. von Dombrowski, A. D. Foland, C. Bebek, L. P. Perera, J. Fast, M.A. Palmer, S. Prell, A. Titov, G. Masek, Saroj Kumar Sahu, H. Schwarthoff, G. E. Gladding, B. I. Eisenstein, John Yelton, R. Mahapatra, Dj Lange, Juliet Ritchie Patterson, J. J. Thaler, T. Wlodek, T. Hart, S. Kotov, D. Y.J. Kim, Richard L. Greene, E. H. Thorndike, K. M. Ecklund, A. J. Weinstein, A. L. Lyon, R. Janicek, Tomasz Skwarnicki, J. E. Duboscq, K. W. Edwards, Sheldon Stone, Paul Avery, Philip Baringer, T. Riehle, A. Soffer, H. N. Nelson, D. L. Kreinick, S. Anderson, D. Coppage, G. Bonvicini, J. P. Alexander, D. S. Crowcroft, Sacha E Kopp, S. J. Richichi, T. E. Browder, Horst Severini, R. A. Briere, Shuai Chen, A. Anastassov, M. S. Alam, I. Korolkov, D. Ugolini, J. J. O'Neill, J. Zheng, J. S. Miller, S. E. Csorna, P. Skubic, S. Roberts, M. Lohner, R. Baker, S. W. Gray, Karl Berkelman, Y. S. Gao, F. R. Wappler, Vivek Sharma, A. Smith, H. Kagan, B. E. Berger, A. Ershov, R. J. Morrison, Mats A Selen, A. J. Sadoff, I. Narsky, K. Kinoshita, G. W. Brandenburg, J. L. Rodriguez, E. M. Potter, P. I. Hopman, Frank Würthwein, G. Viehhauser, D. Roberts, E. Dambasuren, N. B. Mistry, Jing Wang, G. C. Moneti, J. Kandaswamy, D. H. Miller, P. Gaidarev, E. I. Shibata, M. Athanas, D. Peterson, K. W. McLean, E. Johnson, Jungil Lee, N. Menon, T. K. Nelson, M. M. Zoeller, A. Wolf, S. B. Athar, and J. Urheim
Subjects: Semileptonic decay, Physics, Particle physics, Branching fraction, Electron–positron annihilation, General Physics and Astronomy, B meson, Cornell Electron Storage Ring, Recoil energy
Abstract: Using a sample of $3.3\ifmmode\times\else\texttimes\fi{}{10}^{6}$ $B$-meson decays collected with the CLEO detector at the Cornell Electron Storage Ring, we have studied ${B}^{\ensuremath{-}}\ensuremath{\rightarrow}{D}^{0}{\ensuremath{\ell}}^{\ensuremath{-}}\overline{\ensuremath{\nu}}$ and ${\overline{B}}^{0}\ensuremath{\rightarrow}{D}^{+}{\ensuremath{\ell}}^{\ensuremath{-}}\overline{\ensuremath{\nu}}$ decays, where ${\ensuremath{\ell}}^{\ensuremath{-}}$ can be either ${e}^{\ensuremath{-}}$ or ${\ensuremath{\mu}}^{\ensuremath{-}}$. We distinguish $B\ensuremath{\rightarrow}D\ensuremath{\ell}\ensuremath{\nu}$ from other $B$ semileptonic decays by examining the net momentum and energy of the particles recoiling against $D\ensuremath{-}\ensuremath{\ell}$ pairs. We find $\ensuremath{\Gamma}(B\ensuremath{\rightarrow}D\ensuremath{\ell}\ensuremath{\nu})\phantom{\rule{0ex}{0ex}}=\phantom{\rule{0ex}{0ex}}(14.1\ifmmode\pm\else\textpm\fi{}1.0\ifmmode\pm\else\textpm\fi{}1.2){\mathrm{ns}}^{\ensuremath{-}1}$ and derive branching fractions for ${B}^{\ensuremath{-}}\ensuremath{\rightarrow}{D}^{0}{\ensuremath{\ell}}^{\ensuremath{-}}\overline{\ensuremath{\nu}}$ and ${\overline{B}}^{0}\ensuremath{\rightarrow}{D}^{+}{\ensuremath{\ell}}^{\ensuremath{-}}\overline{\ensuremath{\nu}}$ of $(2.32\ifmmode\pm\else\textpm\fi{}0.17\ifmmode\pm\else\textpm\fi{}0.20)%$ and $(2.20\ifmmode\pm\else\textpm\fi{}0.16\ifmmode\pm\else\textpm\fi{}0.19)%$, respectively, where the uncertainties are statistical and systematic. We also investigate the $B\ensuremath{\rightarrow}D\ensuremath{\ell}\ensuremath{\nu}$ form factor and the implication of the result for $|{V}_{\mathrm{cb}}|$.
Published: 1999

45. First Observation of the DecayB0→D+D−

Author: D. E. Jaffe, A. Wolf, R. Godang, T. S. Hill, T. Lee, M. Schmidtler, R. Ehrlich, H. Marsiske, N. Kwak, M. Bishai, C. Ward, L. K. Gibbons, T. Bergfeld, J. J. O'Neill, Sacha E Kopp, M. S. Alam, J. Gronberg, V. Fadeyev, S.C. Timm, C. Bebek, S. von Dombrowski, T. E. Coan, A. J. Weinstein, S. B. Athar, Z. Ling, A. D. Foland, B. Valant-Spaight, Tomasz Skwarnicki, R. Mountain, D. L. Hartill, H. N. Nelson, C.Y. Prescott, T. Wlodek, Xingjiang Zhou, R. Ammar, Jungil Lee, Dj Lange, H. Krieg, R. Poling, Y. J. Kwon, I. C. Lai, T. Hart, S. J. Richichi, T. K. Nelson, Ian Shipsey, E. M. Potter, W. T. Ford, S. Chan, C. R. Ng, Philip Baringer, A. I. Rubiera, R. D. Kass, H. P. Paar, G. E. Gladding, D. Riley, M. Dickson, A. H. Mahmood, M. A. Marsh, J. Roy, N. Menon, Jianqiao Ye, P. I. Hopman, L. P. Perera, M. M. Zoeller, D. G. Cassel, D. Roberts, E. Dambasuren, Jing Wang, S. Schuh, A. Shapiro, B. H. Behrens, M. Ogg, J. Lorenc, W. M. Sun, Ryszard Stroynowski, J. Urheim, R. Davis, E. Nordberg, D. Y.J. Kim, Richard L. Greene, M.A. Palmer, T. Riehle, V. Savinov, I. Narsky, H. Tajima, P. S. Drell, E. H. Thorndike, D. H. Miller, J. J. Thaler, K. M. Ecklund, P. Skubic, A. L. Lyon, D. Z. Besson, P. Gaidarev, Sheldon Stone, J. Fast, H. Yamamoto, H. Schwarthoff, J. S. Miller, G. C. Moneti, Paul Avery, G. J. Zhou, I. Karliner, D. Coppage, K. Lingel, Alice Bean, J. L. Rodriguez, G. Bonvicini, J. P. Alexander, Y. S. Gao, E. I. Shibata, M. Lohner, K. K. Gan, Frank Würthwein, D. Ugolini, V. Boisvert, A. Eppich, G. Viehhauser, B. I. Eisenstein, Yurii Maravin, S. W. Gray, D. L. Kreinick, Marina Artuso, M. L. Perl, S. E. Csorna, N. B. Mistry, E. Johnson, J. Ernst, K. Honscheid, R. M. Hans, T. E. Browder, C. M. Korte, Yuichi Kubota, S. Roberts, K. Kinoshita, G. W. Brandenburg, D. Cinabro, J. E. Duboscq, K. W. Edwards, S. Glenn, S. Kotov, Shuai Chen, A. Anastassov, I. Korolkov, Richard Wilson, A. Gritsan, G. Masek, R. Baker, S. Schrenk, Andreas Warburton, Yanwen Liu, J. G. Smith, C. P. Jessop, B. K. Heltsley, B. Gittelman, R. Janicek, E. Lipeles, S. J. Lee, J. Zheng, G. D. Gollin, S. Prell, A. Ershov, Juliet Ritchie Patterson, R. A. Briere, P. Pomianowski, Vivek Sharma, A. Smith, L. Zhou, Ilya Kravchenko, B. E. Berger, C. D. Jones, J. W. Hinson, N. Katayama, Alain Bellerive, J. Kandaswamy, Horst Severini, G. Eigen, D. M. Asner, Y. Li, C. Gwon, P. M. Patel, M. Athanas, D. Peterson, K. W. McLean, A. Soffer, Z. Xu, S. Anderson, Sz Márka, D. S. Crowcroft, A. Undrus, F. R. Wappler, Karl Berkelman, H. Kagan, R. J. Morrison, Mats A Selen, A. J. Sadoff, A. Titov, John Yelton, and R. Mahapatra
Subjects: Physics, Particle physics, Particle decay, Crystallography, 010308 nuclear & particles physics, Branching fraction, Electron–positron annihilation, 0103 physical sciences, General Physics and Astronomy, CP violation, B meson, 010306 general physics, 01 natural sciences
Abstract: We have observed four fully reconstructed B{sup 0}{r_arrow}D{sup {asterisk}+}D{sup {asterisk}{minus}} candidates in 5.8{times}10{sup 6} {Upsilon}(4S){r_arrow}B{ovr B} decays recorded with the CLEO detector. The background is estimated to be 0.31{plus_minus}0.10 thinspthinspevents. The probability that the background could produce four or more signal candidates with the observed distribution among D{sup {asterisk}+} and D{sup {asterisk}{minus}} decay modes is 1.1{times}10{sup {minus}4} . The measured decay rate, B(B{sup 0}{r_arrow}D{sup {asterisk}+}D{sup {asterisk} {minus}})=[6.2{sup +4.0}{sub {minus}2.9}( stat){plus_minus}1.0(syst) ]{times}10{sup {minus}4} , is large enough for this decay mode to be of interest for the measurement of a time-dependent CP asymmetry. {copyright} {ital 1999} {ital The American Physical Society}
Published: 1999

46. Observation of Two Narrow States Decaying intoΞc+γandΞc0γ

Author: D. S. Crowcroft, B. K. Heltsley, E. Lipeles, S. J. Lee, G. D. Gollin, D. L. Hartill, J. Zheng, H. Krieg, Karl Berkelman, C. R. Ng, F. R. Wappler, Z. Ling, K. K. Gan, Jongmin Lee, J. S. Miller, H. Marsiske, A. Anastassov, S. Schuh, V. Savinov, Y. S. Gao, Y. J. Kwon, S. Glenn, Sai-Juan Chen, Richard L. Greene, E. H. Thorndike, A. Titov, John Yelton, R. Mahapatra, D. Z. Besson, G. Masek, H. Kagan, D. Riley, V. Fadeyev, Juliet Ritchie Patterson, A. H. Mahmood, C. P. Ward, Vivek Sharma, R. A. Briere, D. Y.J. Kim, Alice Bean, Yang Li, P. Pomianowski, R. J. Morrison, Mats A Selen, D. Coppage, G. Bonvicini, J. P. Alexander, D. E. Jaffe, T. S. Hill, D. L. Kreinick, Z. Xu, M. Athanas, A. J. Sadoff, R. Ehrlich, Erik A. Johnson, B. Valant-Spaight, S. von Dombrowski, G. C. Moneti, T. E. Coan, Sz Márka, V. Boisvert, A. Eppich, T. E. Browder, Sacha E Kopp, L. Zhou, Ilya Kravchenko, J. J. Thaler, J. Kandaswamy, C. D. Jones, M. S. Alam, J. W. Hinson, A. J. Weinstein, Horst Severini, J. A. Ernst, T. Hart, E. I. Shibata, Tomasz Skwarnicki, M.A. Palmer, K. Honscheid, R. J. Wilson, C.Y. Prescott, D. Peterson, T. Riehle, S. B. Anderson, R. M. Hans, A. D. Foland, M. L. Perl, H. N. Nelson, C. Bebek, J. Gronberg, K. W. McLean, Sheldon Stone, S. J. Richichi, Yuichi Kubota, Xingjiang Zhou, S.C. Timm, A. Wolf, H. Schwarthoff, Paul Avery, D. Ugolini, J. Roy, G. E. Gladding, W. M. Sun, S. W. Gray, N. Kwak, R. Janicek, Alexander Ershov, James E. Fast, J. E. Duboscq, K. W. Edwards, Ian Shipsey, Jianqiao Ye, A. Gritsan, Dj Lange, Philip Baringer, M. Bishai, M. Ogg, M. Dickson, H. Yamamoto, K. M. Ecklund, G. J. Zhou, Ryszard Stroynowski, Andreas Warburton, S. Schrenk, Yanwen Liu, J. G. Smith, C. P. Jessop, E. M. Potter, S. Prell, A. L. Lyon, S. Kotov, L. P. Perera, P. I. Hopman, R. Ammar, J. Lorenc, N. Menon, H. P. Paar, T. Wlodek, I. C. Lai, S. Chan, S. Roberts, I. Narsky, A. Shapiro, J. L. Rodriguez, G. Eigen, R. Davis, P. Skubic, B. E. Berger, D. Roberts, M. A. Marsh, S. B. Athar, E. Nordberg, Frank Würthwein, G. Viehhauser, Alain Bellerive, J. Urheim, I. Korolkov, E. Dambasuren, N. B. Mistry, Marina Artuso, D. M. Asner, C. Gwon, P. M. Patel, R. Baker, Jing Wang, L. K. Gibbons, Alexander Undrus, D. H. Miller, A. Soffer, P. Gaidarev, T. Bergfeld, S. E. Csorna, B. H. Behrens, W. T. Ford, A. I. Rubiera, K. Kinoshita, R. D. Kass, G. W. Brandenburg, T. K. Nelson, Yurii Maravin, A. M. Smith, M. M. Zoeller, R. Godang, T. Lee, M. Schmidtler, R. Mountain, M. Lohner, D. G. Cassel, J. J. O'Neill, R. Poling, P. S. Drell, I. Karliner, B. I. Eisenstein, K. Lingel, D. Cinabro, and B. Gittelman
Subjects: Physics, Particle decay, Crystallography, Particle physics, 010308 nuclear & particles physics, 0103 physical sciences, Fragmentation function, General Physics and Astronomy, Cornell Electron Storage Ring, 010306 general physics, 01 natural sciences, Sigma baryon
Abstract: We report the first observation of two narrow charmed strange baryons decaying to {Xi}{sup +}{sub c}{gamma} and {Xi}{sup 0}{sub c}{gamma} , respectively, using data from the CLEO II detector at the Cornell Electron Storage Ring. We interpret the observed signals as the {Xi}{sup +{prime}}{sub c}thinsp( c{l_brace}su{r_brace}) and {Xi}{sup 0{prime}}{sub c}thinsp( c{l_brace}sd{r_brace}) , the symmetric partners of the well-established antisymmetric {Xi}{sup +}{sub c}thinsp(c[ su]) and {Xi}{sup 0}{sub c}thinsp(c[ sd]) . The mass differences M({Xi}{sup +{prime}}{sub c}){minus}M( {Xi}{sup +}{sub c}) and M({Xi}{sup 0{prime}}{sub c}){minus}M( {Xi}{sup 0}{sub c}) have been measured to be 107.8{plus_minus}1.7{plus_minus}2.5 and 107.0{plus_minus}1.4{plus_minus}2.5 MeV /c{sup 2} , respectively. {copyright} {ital 1999} {ital The American Physical Society }
Published: 1999

47. First Observation of the Decayτ−→K*−ηντ

Author: M. Bishai, S. Chen, J. Fast, J. W. Hinson, N. Menon, D. H. Miller, E. I. Shibata, I. P. J. Shipsey, S. Glenn, Y. Kwon, A. L. Lyon, S. Roberts, E. H. Thorndike, C. P. Jessop, K. Lingel, H. Marsiske, M. L. Perl, V. Savinov, D. Ugolini, X. Zhou, T. E. Coan, V. Fadeyev, I. Korolkov, Y. Maravin, I. Narsky, R. Stroynowski, J. Ye, T. Wlodek, M. Artuso, E. Dambasuren, S. Kopp, G. C. Moneti, R. Mountain, S. Schuh, T. Skwarnicki, S. Stone, A. Titov, G. Viehhauser, J. C. Wang, J. Bartelt, S. E. Csorna, K. W. McLean, S. Marka, Z. Xu, R. Godang, K. Kinoshita, I. C. Lai, P. Pomianowski, S. Schrenk, G. Bonvicini, D. Cinabro, R. Greene, L. P. Perera, G. J. Zhou, S. Chan, G. Eigen, E. Lipeles, J. S. Miller, M. Schmidtler, A. Shapiro, W. M. Sun, J. Urheim, A. J. Weinstein, F. Würthwein, D. E. Jaffe, G. Masek, H. P. Paar, E. M. Potter, S. Prell, V. Sharma, D. M. Asner, J. Gronberg, T. S. Hill, D. J. Lange, R. J. Morrison, H. N. Nelson, T. K. Nelson, D. Roberts, B. H. Behrens, W. T. Ford, A. Gritsan, H. Krieg, J. Roy, J. G. Smith, J. P. Alexander, R. Baker, C. Bebek, B. E. Berger, K. Berkelman, V. Boisvert, D. G. Cassel, D. S. Crowcroft, M. Dickson, S. von Dombrowski, P. S. Drell, K. M. Ecklund, R. Ehrlich, A. D. Foland, P. Gaidarev, R. S. Galik, L. Gibbons, B. Gittelman, S. W. Gray, D. L. Hartill, B. K. Heltsley, P. I. Hopman, J. Kandaswamy, D. L. Kreinick, T. Lee, Y. Liu, N. B. Mistry, C. R. Ng, E. Nordberg, M. Ogg, J. R. Patterson, D. Peterson, D. Riley, A. Soffer, B. Valant-Spaight, A. Warburton, C. Ward, M. Athanas, P. Avery, C. D. Jones, M. Lohner, C. Prescott, A. I. Rubiera, J. Yelton, J. Zheng, G. Brandenburg, R. A. Briere, A. Ershov, Y. S. Gao, D. Y.-J. Kim, R. Wilson, H. Yamamoto, T. E. Browder, Y. Li, J. L. Rodriguez, S. K. Sahu, T. Bergfeld, B. I. Eisenstein, J. Ernst, G. E. Gladding, G. D. Gollin, R. M. Hans, E. Johnson, I. Karliner, M. A. Marsh, M. Palmer, M. Selen, J. J. Thaler, K. W. Edwards, A. Bellerive, R. Janicek, P. M. Patel, A. J. Sadoff, R. Ammar, P. Baringer, A. Bean, D. Besson, D. Coppage, C. Darling, R. Davis, S. Kotov, I. Kravchenko, N. Kwak, L. Zhou, S. Anderson, Y. Kubota, S. J. Lee, R. Mahapatra, J. J. O'Neill, R. Poling, T. Riehle, A. Smith, M. S. Alam, S. B. Athar, Z. Ling, A. H. Mahmood, S. Timm, F. Wappler, A. Anastassov, J. E. Duboscq, K. K. Gan, T. Hart, K. Honscheid, H. Kagan, R. Kass, J. Lee, H. Schwarthoff, A. Wolf, M. M. Zoeller, S. J. Richichi, H. Severini, P. Skubic, and A. Undrus
Subjects: Physics, Particle physics, Particle decay, Crystallography, Meson, 010308 nuclear & particles physics, Branching fraction, 0103 physical sciences, General Physics and Astronomy, 010306 general physics, 01 natural sciences
Abstract: The decay {tau}{sup {minus}}{r_arrow}K{sup {asterisk}{minus}}{eta}{nu}{sub {tau}} has been observed with the CLEOthinspthinspII detector. The K{sup {asterisk}{minus}} is reconstructed in two decay channels, K{sup {asterisk}{minus}}{r_arrow}K{sub S}{pi}{sup {minus}}{r_arrow} {pi}{sup {minus}}{pi}{sup +}{pi}{sup {minus}} and K{sup {asterisk}{minus}}{r_arrow}K{sup {minus}}{pi}{sup 0} . The {eta} is reconstructed from the decay {eta}{r_arrow}{gamma}{gamma} . The measured branching fraction is B({tau}{sup {minus}}{r_arrow}K{sup {asterisk}{minus}} {eta}{nu}{sub {tau}})=(2.9{plus_minus} 0.8{plus_minus}0.4){times}10{sup {minus}4} . We also measure the inclusive branching fractions without requiring the K{sup {asterisk}} resonance, B({tau}{sup {minus}}{r_arrow}K{sub S}{pi}{sup {minus}}{eta}{nu}{sub {tau}})=(1.10 {plus_minus}0.35{plus_minus}0.11){times}10{sup {minus}4} and B({tau}{sup {minus}}{r_arrow}K{sup {minus}}{pi}{sup 0}{eta}{nu}{sub {tau}})=(1.77 {plus_minus}0.56{plus_minus}0.71){times}10{sup {minus}4} . The results indicate that the K{sup {asterisk}{minus}} resonance dominates the K{sub S}{pi}{sup {minus}} mass spectrum. {copyright} {ital 1999} {ital The American Physical Society}
Published: 1999

48. First Observations ofϒ(1S)→γπ+π−andϒ(1S)→γπ0π0

Author: Werner Sun, L. P. Perera, S. von Dombrowski, E. Dambasuren, Jing Wang, H. Krieg, H. Marsiske, T. Wlodek, Yanwen Liu, C. R. Ng, C. Darling, Yurii Maravin, D. A. Roberts, Z. Xu, I. Karliner, M. Athanas, June Hyuk Lee, J. G. Smith, John E. Bartelt, S. Glenn, A. Shapiro, J. J. Thaler, W. T. Ford, A. I. Rubiera, R. D. Kass, Sz Márka, D. H. Miller, Saroj Kumar Sahu, S. Roberts, D. Ugolini, N. Menon, John Yelton, R. Mahapatra, Sheldon Stone, Paul Avery, S. B. Anderson, R. M. Hans, P. Gaidarev, D. Z. Besson, A. Titov, G. Masek, Juliet Ritchie Patterson, R. Baker, B. E. Berger, B. Valant-Spaight, D. L. Kreinick, C. Bebek, M. Ogg, Alain Bellerive, H. Kagan, Alexander Undrus, R. Davis, P. Pomianowski, B. H. Behrens, S. Schuh, J. S. Miller, X. J. Zhou, Horst Severini, R. A. Briere, T. E. Browder, I. P. J. Shipsey, Erik A. Johnson, L. Zhou, Ilya Kravchenko, Andreas Warburton, S. Schrenk, D. E. Jaffe, J. Urheim, C. D. Jones, R. J. Morrison, Y. S. Gao, Mats A Selen, J. W. Hinson, C.Y. Prescott, V. Savinov, C. P. Jessop, S.C. Timm, H. Yamamoto, A. J. Sadoff, Marina Artuso, J. Zheng, K. K. Gan, T. Skwarnicki, P. Skubic, D. Riley, L. K. Gibbons, H. Schwarthoff, R. Janicek, Y. J. Kwon, Z. Ling, James E. Fast, D. L. Hartill, E. M. Potter, Jianqiao Ye, J. Gronberg, T. Hart, K. Honscheid, A. Anastassov, D. S. Crowcroft, A. H. Mahmood, C. P. Ward, P. I. Hopman, Yang Li, D. J. Lange, T. S. Hill, Sacha E Kopp, H. P. Paar, R. Ehrlich, M. S. Alam, J. E. Duboscq, K. W. Edwards, G. C. Moneti, Vivek Sharma, Andrei Gritsan, S. Kotov, Jayashree Roy, F. R. Wappler, S. E. Csorna, D. Y.J. Kim, B. K. Heltsley, T. Riehle, S. J. Lee, G. D. Gollin, M.A. Palmer, Elliot Lipeles, E. I. Shibata, A. J.R. Weinstein, E. Nordberg, G. Eigen, M. L. Perl, G. H. A. Viehhauser, J. Kandaswamy, Yuichi Kubota, R. J. Wilson, I. Narsky, G. E. Gladding, K. Kinoshita, Karl Berkelman, J. A. Ernst, A. D. Foland, Ryszard Stroynowski, G. W. Brandenburg, T. E. Coan, Vitaliy Fadeyev, S. W. Gray, T. K. Nelson, D. Peterson, K. M. Ecklund, K. W. McLean, H. N. Nelson, A. M. Smith, N. Kwak, Alice Bean, Ilya Korolkov, Richard L. Greene, E. H. Thorndike, S. Prell, M. M. Zoeller, Philip Baringer, S. J. Richichi, A. Wolf, D. Coppage, G. Bonvicini, J. P. Alexander, Veronique Boisvert, A. Soffer, M. Bishai, J. L. Rodriguez, Alexander Ershov, K. Lingel, Frank Würthwein, D. M. Asner, N. B. Mistry, R. S. Galik, G. J. Zhou, S. B. Athar, P. M. Patel, S. J. Chen, T. Bergfeld, A. L. Lyon, R. Godang, T. Lee, M. Schmidtler, R. Mountain, M. Dickson, D. G. Cassel, R. Poling, B. I. Eisenstein, P. S. Drell, M. Lohner, J. J. O'Neill, D. Cinabro, B. Gittelman, R. Ammar, I. C. Lai, S. Chan, and M. A. Marsh
Subjects: General Physics and Astronomy
Published: 1999

49. Further Search for the Two-Photon Production of the Glueball CandidatefJ(2220)

Author: Richard Wilson, A. Gritsan, Yurii Maravin, G. E. Gladding, R. M. Hans, B. E. Berger, K. M. Ecklund, J. J. O'Neill, A. L. Lyon, J. Roy, Ryszard Stroynowski, N. Kwak, M. Bishai, S. Glenn, M. Ogg, S. Patton, Ian Shipsey, D. L. Kreinick, Karl Berkelman, D. Cinabro, A. Efimov, C. Bebek, T. E. Browder, L. P. Perera, W. T. Ford, V. Shelkov, J. Urheim, D. G. Cassel, B. Gittelman, R. D. Kass, S. Roberts, I. Volobouev, R. Davis, S. Schuh, Saroj Kumar Sahu, A. Ershov, Sz Márka, J. Fast, H. Schwarthoff, D. L. Hartill, R. Poling, C. R. Ng, C. Darling, M. Chadhha, T. S. Hill, R. Ehrlich, A. Soffer, A. Undrus, D. W. Bliss, P. S. Drell, A. H. Mahmood, J. Zheng, I. Karliner, K. Lingel, B. I. Eisenstein, R. Godang, T. Lee, M. Schmidtler, B. K. Heltsley, C. Ward, Alice Bean, V. Boisvert, Sheldon Stone, J. Gronberg, S. von Dombrowski, Paul Avery, S. Anderson, D. S. Crowcroft, J. Ernst, H. Yamamoto, S. J. Lee, S.C. Timm, G. Masek, Alain Bellerive, Sacha E Kopp, Juliet Ritchie Patterson, J. J. Thaler, G. D. Gollin, P. Skubic, M. S. Alam, R. Ammar, D. E. Jaffe, Dj Lange, T. E. Coan, I. C. Lai, Vivek Sharma, R. Mountain, T. Bergfeld, A. Smith, Y. Kwon, V. Savinov, D. Z. Besson, S. Chan, Horst Severini, T. K. Nelson, Jungil Lee, D. M. Asner, M. Lohner, Y. Li, J. L. Rodriguez, M. A. Marsh, N. Menon, S. Kotov, C.Y. Prescott, K. K. Gan, F. R. Wappler, M. M. Zoeller, Frank Würthwein, G. Viehhauser, B. H. Behrens, P. M. Patel, E. M. Potter, R. Janicek, Jianqiao Ye, A. Wolf, N. B. Mistry, J. S. Miller, H. Marsiske, G. C. Moneti, P. I. Hopman, E. I. Shibata, D. Riley, J. Kandaswamy, E. Johnson, D. Roberts, Y. S. Gao, A. Titov, V. Fadeyev, John Yelton, M. Athanas, J. Bartelt, D. Peterson, H. Kagan, K. W. McLean, S. B. Athar, B. Valant-Spaight, M. L. Perl, Yuichi Kubota, M.A. Palmer, R. J. Morrison, Mats A Selen, G. Eigen, A. J. Sadoff, S. E. Csorna, Philip Baringer, K. Kinoshita, G. W. Brandenburg, E. Dambasuren, Jing Wang, D. H. Miller, P. Gaidarev, Z. Ling, D. Y.J. Kim, M. Sivertz, Xingjiang Zhou, G. J. Zhou, M. Dickson, S. Schrenk, A. J. Weinstein, Tomasz Skwarnicki, H. N. Nelson, S. J. Richichi, Yanwen Liu, J. G. Smith, C. P. Jessop, Richard L. Greene, E. H. Thorndike, H. P. Paar, D. Coppage, G. Bonvicini, J. P. Alexander, S. Prell, L. K. Gibbons, A. D. Foland, E. Nordberg, T. Hart, R. S. Galik, K. Honscheid, J. E. Duboscq, K. W. Edwards, T. Riehle, A. Anastassov, I. Korolkov, R. Baker, J. Staeck, D. Ugolini, M. B. Spencer, I. Narsky, S. W. Gray, R. A. Briere, P. Pomianowski, Marina Artuso, L. Zhou, Ilya Kravchenko, C. D. Jones, and J. W. Hinson
Subjects: Physics, Particle physics, 010308 nuclear & particles physics, Glueball, Radiative decay, General Physics and Astronomy, 01 natural sciences, Lower limit, Particle decay, Pion, 0103 physical sciences, Production (computer science), 010306 general physics, Mathematical physics
Abstract: Author(s): Alam, MS; Athar, SB; Ling, Z; Mahmood, AH; Timm, S; Wappler, F; Anastassov, A; Duboscq, JE; Gan, KK; Hart, T; Honscheid, K; Kagan, H; Kass, R; Lee, J; Schwarthoff, H; Spencer, MB; Wolf, A; Zoeller, MM; Richichi, SJ; Severini, H; Skubic, P; Undrus, A; Bishai, M; Fast, J; Hinson, JW; Menon, N; Miller, DH; Shibata, EI; Shipsey, IPJ; Glenn, S; Kwon, Y; Lyon, AL; Roberts, S; Thorndike, EH; Jessop, CP; Lingel, K; Marsiske, H; Perl, ML; Savinov, V; Ugolini, D; Zhou, X; Coan, TE; Fadeyev, V; Korolkov, I; Maravin, Y; Narsky, I; Shelkov, V; Staeck, J; Stroynowski, R; Volobouev, I; Ye, J; Artuso, M; Dambasuren, E; Efimov, A; Kopp, S; Moneti, GC; Mountain, R; Schuh, S; Skwarnicki, T; Stone, S; Titov, A; Viehhauser, G; Wang, JC; Bartelt, J; Csorna, SE; Mc Lean, KW; Marka, S; Godang, R; Kinoshita, K; Lai, IC; Pomianowski, P; Schrenk, S; Bonvicini, G; Cinabro, D; Greene, R; Perera, LP; Zhou, GJ; Chadhha, M; Chan, S; Eigen, G; Miller, JS; Schmidtler, M; Urheim, J; Weinstein, AJ; Wurthwein, F | Abstract: The CLEO II detector at the e+e− storage ring CESR has been used to search for two-photon production of the fJ(2220) decaying into π+π−. No evidence for a signal is found in 4.77fb−1 of data and a 95% C.L. upper limit on [τγγBπ+π−]fJ(2220) of 2.5 eV is set. If this result is combined with the BES Collaboration's measurement of fJ(2220)→π+π− in radiative J/Ψ decay and the recent CLEO result for [τγγBK0SK0S]fJ(2220), a 95% C.L. lower limit on the stickiness of 102 is obtained. This result for the stickiness provides further support for a substantial neutral parton content in the fJ(2220). © 1998 The American Physical Society.
Published: 1998

50. Observation of High Momentumη′Production inBDecays

Author: T. E. Browder, Y. Li, J. L. Rodriguez, T. Bergfeld, B. I. Eisenstein, J. Ernst, G. E. Gladding, G. D. Gollin, R. M. Hans, E. Johnson, I. Karliner, M. A. Marsh, M. Palmer, M. Selen, J. J. Thaler, K. W. Edwards, A. Bellerive, R. Janicek, D. B. MacFarlane, P. M. Patel, A. J. Sadoff, R. Ammar, P. Baringer, A. Bean, D. Besson, D. Coppage, C. Darling, R. Davis, S. Kotov, I. Kravchenko, N. Kwak, L. Zhou, S. Anderson, Y. Kubota, S. J. Lee, J. J. O'Neill, R. Poling, T. Riehle, A. Smith, M. S. Alam, S. B. Athar, Z. Ling, A. H. Mahmood, S. Timm, F. Wappler, A. Anastassov, J. E. Duboscq, D. Fujino, K. K. Gan, T. Hart, K. Honscheid, H. Kagan, R. Kass, J. Lee, M. B. Spencer, M. Sung, A. Undrus, A. Wolf, M. M. Zoeller, B. Nemati, S. J. Richichi, W. R. Ross, H. Severini, P. Skubic, M. Bishai, J. Fast, J. W. Hinson, N. Menon, D. H. Miller, E. I. Shibata, I. P. J. Shipsey, M. Yurko, S. Glenn, Y. Kwon, A. L. Lyon, S. Roberts, E. H. Thorndike, C. P. Jessop, K. Lingel, H. Marsiske, M. L. Perl, V. Savinov, D. Ugolini, X. Zhou, T. E. Coan, V. Fadeyev, I. Korolkov, Y. Maravin, I. Narsky, V. Shelkov, J. Staeck, R. Stroynowski, I. Volobouev, J. Ye, M. Artuso, F. Azfar, A. Efimov, M. Goldberg, D. He, S. Kopp, G. C. Moneti, R. Mountain, S. Schuh, T. Skwarnicki, S. Stone, G. Viehhauser, J. C. Wang, X. Xing, J. Bartelt, S. E. Csorna, V. Jain, K. W. McLean, S. Marka, R. Godang, K. Kinoshita, I. C. Lai, P. Pomianowski, S. Schrenk, G. Bonvicini, D. Cinabro, R. Greene, L. P. Perera, G. J. Zhou, M. Chadha, S. Chan, G. Eigen, J. S. Miller, M. Schmidtler, J. Urheim, A. J. Weinstein, F. Würthwein, D. W. Bliss, G. Masek, H. P. Paar, S. Prell, V. Sharma, D. M. Asner, J. Gronberg, T. S. Hill, D. J. Lange, R. J. Morrison, H. N. Nelson, T. K. Nelson, D. Roberts, B. H. Behrens, W. T. Ford, A. Gritsan, J. Roy, J. G. Smith, J. P. Alexander, R. Baker, C. Bebek, B. E. Berger, K. Berkelman, K. Bloom, V. Boisvert, D. G. Cassel, D. S. Crowcroft, M. Dickson, S. von Dombrowski, P. S. Drell, K. M. Ecklund, R. Ehrlich, A. D. Foland, P. Gaidarev, L. Gibbons, B. Gittelman, S. W. Gray, D. L. Hartill, B. K. Heltsley, P. I. Hopman, J. Kandaswamy, P. C. Kim, D. L. Kreinick, T. Lee, Y. Liu, N. B. Mistry, C. R. Ng, E. Nordberg, M. Ogg, J. R. Patterson, D. Peterson, D. Riley, A. Soffer, B. Valant-Spaight, C. Ward, M. Athanas, P. Avery, C. D. Jones, M. Lohner, S. Patton, C. Prescott, J. Yelton, J. Zheng, G. Brandenburg, R. A. Briere, A. Ershov, Y. S. Gao, D. Y.-J. Kim, R. Wilson, and H. Yamamoto
Subjects: Physics, Particle physics, Meson, 010308 nuclear & particles physics, Electron–positron annihilation, 0103 physical sciences, General Physics and Astronomy, Production (computer science), 010306 general physics, 01 natural sciences, High momentum
Abstract: We report the first observation of B{r_arrow}{eta}{sup {prime}}X transitions with high momentum {eta}{sup {prime}} mesons. We observe 39.0{plus_minus}11.6 B decay events with 2.0{lt}p{sub {eta}{sup {prime}}}{lt}2.7 GeV/c , the high momentum region where background from b{r_arrow}c processes is suppressed. We discuss the physical interpretation of the signal, including the possibility that it is due to b{r_arrow}sg{sup {asterisk}} transitions. Given that interpretation, we find B(B{r_arrow}{eta}{sup {prime}}X{sub s} )=[6.2{plus_minus}1.6(stat){plus_minus} 1.3(syst){sup +0.0}{sub {minus}1.5} (bkg)]{times}10{sup {minus}4} for 2.0{lt}p{sub {eta}{sup {prime}}}{lt}2.7 GeV/c . {copyright} {ital 1998} {ital The American Physical Society }
Published: 1998

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