Author: "Mats A Selen" - Searchworks@Jio Institute Digital Library Search Results

Your search keyword '"Mats A Selen"' showing total 375 results

Start Over Author "Mats A Selen"

375 results on '"Mats A Selen"'

51. Measurement of the direct photon spectrum inΥ(1S)decays

Author: D. B. MacFarlane, A. J. Weinstein, Tomasz Skwarnicki, S. Schuh, H. N. Nelson, S. J. Richichi, D. H. Miller, P. Gaidarev, J. Mevissen, V. Savinov, Y. Kwon, Harold S. Park, Xingjiang Zhou, Alice Bean, M. Yurko, J. Kandaswamy, D. Z. Besson, M. Dickson, M. Athanas, K. D. Fisher, Yurii V. Mukhin, R. Kutschke, L. P. Perera, Philip Baringer, D. Peterson, Z. Ling, I. P.J. Shipsey, S. F. Schaffner, Yurii Maravin, C. Qiao, Xiangjun Xing, D. Y.J. Kim, M. Sivertz, Anders Ryd, N. Kwak, W. S. Brower, K. K. Gan, D. He, M. Bishai, R. Davis, D. M. Coffman, Sz Márka, P. Pomianowski, John Yelton, M.A. Palmer, J. Urheim, Richard L. Greene, E. H. Thorndike, P. I. Hopman, B. K. Heltsley, W. R. Ross, J. Zheng, M. Sung, S. Menary, D. Fujino, C. Bebek, J. Fast, Ilya Kravchenko, G. D. Gollin, D. Roberts, C. D. Jones, Michael Wood, I. Volobouev, D. Coppage, G. Bonvicini, P. C. Kim, R. Ehrlich, J. W. Hinson, V. Shelkov, S. Kotov, J. P. Alexander, G. E. Gladding, T. Hart, S. E. Csorna, S. Patton, A. Freyberger, J. Roy, Ryszard Stroynowski, M. Gao, Vivek Sharma, R. Janicek, A. Soffer, S. Anderson, A. Smith, H. P. Paar, R. Fulton, P. Skubic, C.Y. Prescott, K. M. Ecklund, A. H. Mahmood, H. Yamamoto, Karl Berkelman, A. Efimov, Sacha E Kopp, K. Kinoshita, M. S. Alam, T. Riehle, Sheldon Stone, D. S. Crowcroft, R. Wanke, A. Wolf, K. Honscheid, D. Gibaut, G. W. Brandenburg, R. S. Galik, Daniel W. Bliss, D. L. Kreinick, K. W. McLean, P. Rankin, L. Gibbons, C. Ward, Paul Avery, Kenneth Bloom, Jianqiao Ye, T. E. Browder, J. L. Rodriguez, D. Ugolini, Frank Würthwein, M. Lattery, G. Viehhauser, K. Cho, J. Gronberg, N. Katayama, E. Nordberg, S.C. Timm, S. Roberts, S. W. Gray, M. Chadha, J. E. Duboscq, N. B. Mistry, G. S. Ludwig, N. Hancock, J. S. Miller, J. J. Thaler, F. R. Wappler, G. Eigen, H. Marsiske, E. Gerndt, R. M. Hans, F. Frasconi, Dj Lange, A. Undrus, K. W. Edwards, H. Kagan, S. B. Athar, Y. S. Gao, A. D. Foland, V. Fadeyev, B. H. Behrens, M. B. Spencer, M. Ogg, F. Li, T. K. Nelson, M. Lohner, S. Schrenk, Yanwen Liu, J. G. Smith, Shengfeng Yang, C. P. Jessop, S. D. Johnson, I. Narsky, G. C. Moneti, Marina Artuso, M. M. Zoeller, W. T. Ford, R. J. Morrison, Mats A Selen, R. D. Kass, R. Ammar, R. Balest, T. E. Coan, I. C. Lai, H. Severini, S. Chan, A. Anastassov, A. J. Sadoff, I. Korolkov, E. I. Shibata, C. O'Grady, M. A. Marsh, R. Wang, E. Johnson, J. Staeck, Jungil Lee, N. Menon, G. Masek, Juliet Ritchie Patterson, R. A. Briere, H. A. Cho, D. L. Hartill, R. Poling, C. R. Ng, C. Darling, Michael S. Witherell, B. E. Berger, M. Goldberg, J. D. Richman, B. C. Barish, J. Masui, Vivek Jain, Alain Bellerive, Y. Li, P. M. Patel, D. Riley, S. Blinov, D. M. Asner, J. Bartelt, M. L. Perl, Yuichi Kubota, Richard Wilson, T. Bergfeld, D. Cinabro, B. Nemati, B. Gittelman, R. Godang, T. Lee, M. Schmidtler, P. S. Drell, R. Elia, K. Lingel, R. Mountain, J. Ernst, D. G. Cassel, J. J. O'Neill, I. Karliner, and B. I. Eisenstein
Subjects: Physics, Combinatorics, Nuclear and High Energy Physics, Particle decay, Photon, 010308 nuclear & particles physics, Electron–positron annihilation, 0103 physical sciences, Strong coupling, Cornell Electron Storage Ring, Atomic physics, 010306 general physics, 01 natural sciences
Abstract: Using data taken with the CLEO II detector at the Cornell Electron Storage Ring, we have determined the ratio of branching fractions: ${R}_{\ensuremath{\gamma}}\ensuremath{\equiv}\ensuremath{\Gamma}(\ensuremath{\Upsilon}(1S)\ensuremath{\rightarrow}\ensuremath{\gamma}\mathrm{gg})/\ensuremath{\Gamma}(\ensuremath{\Upsilon}(1S)\ensuremath{\rightarrow}\mathrm{ggg})=[2.75\ifmmode\pm\else\textpm\fi{}0.04(\mathrm{stat})\ifmmode\pm\else\textpm\fi{}0.15(\mathrm{syst})]%$. From this ratio, we have determined the QCD scale parameter ${\ensuremath{\Lambda}}_{\overline{\mathrm{MS}}}$ (defined in the modified minimal subtraction scheme) to be ${\ensuremath{\Lambda}}_{\overline{\mathrm{MS}}}=233\ifmmode\pm\else\textpm\fi{}11\ifmmode\pm\else\textpm\fi{}59$ MeV, from which we determine a value for the strong coupling constant ${\ensuremath{\alpha}}_{s}{(M}_{\ensuremath{\Upsilon}(1S)})=0.163\ifmmode\pm\else\textpm\fi{}0.002\ifmmode\pm\else\textpm\fi{}0.014$, or ${\ensuremath{\alpha}}_{s}{(M}_{Z})=0.110\ifmmode\pm\else\textpm\fi{}0.001\ifmmode\pm\else\textpm\fi{}0.007$.
Published: 1997
Full Text: View/download PDF

52. Analyses ofD+→KS0K+andD+→KS0π+

Author: D. He, C.Y. Prescott, J. Mevissen, J. Kandaswamy, Yurii Maravin, G. C. Moneti, Karl Berkelman, A. Efimov, M. Athanas, P. S. Drell, Jianqiao Ye, D. Peterson, E. I. Shibata, E. Johnson, R. Elia, K. Lingel, L. Gibbons, P. I. Hopman, M. Sung, Z. Ling, I. P.J. Shipsey, D. B. MacFarlane, A. J. Weinstein, Tomasz Skwarnicki, H. N. Nelson, P. Skubic, D. Roberts, M.A. Palmer, A. Undrus, V. Savinov, F. Frasconi, W. R. Ross, Jungil Lee, S. J. Richichi, S. F. Schaffner, A. D. Foland, J. Ernst, I. Volobouev, L. P. Perera, Y. Kwon, Shengfeng Yang, M. Yurko, Anders Ryd, S. E. Csorna, N. Menon, R. Ammar, Xingjiang Zhou, M. Gao, A. H. Mahmood, Sz Márka, T. E. Coan, I. C. Lai, H. Severini, S. Chan, Sheldon Stone, Paul Avery, D. Z. Besson, D. Cinabro, M. B. Spencer, D. Gibaut, H. P. Paar, R. Fulton, C. O'Grady, W. S. Brower, Philip Baringer, M. A. Marsh, Xiangjun Xing, R. Wang, K. Kinoshita, J. Fast, B. Nemati, K. W. McLean, G. W. Brandenburg, B. Gittelman, M. Ogg, R. Davis, D. Y.J. Kim, K. K. Gan, P. Pomianowski, I. Narsky, M. Dickson, E. Nordberg, J. D. Richman, J. Zheng, J. J. Thaler, J. S. Miller, C. Ward, H. Yamamoto, J. L. Rodriguez, J. Gronberg, S.C. Timm, G. S. Ludwig, Frank Würthwein, C. Qiao, Daniel W. Bliss, E. Gerndt, W. T. Ford, G. Viehhauser, K. Cho, N. B. Mistry, P. C. Kim, R. D. Kass, R. Balest, D. H. Miller, M. Chadha, J. Urheim, Ilya Kravchenko, Kenneth Bloom, Y. S. Gao, P. Gaidarev, Marina Artuso, Sacha E Kopp, M. Lohner, K. D. Fisher, Yurii V. Mukhin, C. D. Jones, Michael Wood, K. Honscheid, Richard L. Greene, E. H. Thorndike, M. S. Alam, R. Wanke, Dj Lange, Vivek Sharma, A. Smith, J. Roy, Ryszard Stroynowski, N. Katayama, D. Coppage, G. Bonvicini, J. P. Alexander, P. Rankin, J. W. Hinson, B. C. Barish, J. E. Duboscq, K. W. Edwards, M. Lattery, A. Freyberger, H. A. Cho, J. Masui, R. M. Hans, A. Anastassov, I. Korolkov, H. Marsiske, G. Eigen, N. Kwak, R. Godang, M. Bishai, F. Li, D. L. Hartill, V. Fadeyev, T. Lee, M. Schmidtler, R. Poling, J. Staeck, S. Menary, D. Fujino, C. R. Ng, C. Darling, Vivek Jain, T. Bergfeld, V. Shelkov, Michael S. Witherell, G. Masek, Juliet Ritchie Patterson, R. Mountain, S. Schrenk, Yanwen Liu, J. G. Smith, S. Schuh, R. A. Briere, C. P. Jessop, B. E. Berger, D. G. Cassel, M. Goldberg, S. D. Johnson, J. J. O'Neill, Harold S. Park, Alice Bean, I. Karliner, T. Hart, R. Kutschke, B. I. Eisenstein, T. Riehle, T. K. Nelson, S. Kotov, R. Janicek, D. Ugolini, S. W. Gray, M. M. Zoeller, A. Wolf, N. Hancock, S. B. Athar, B. H. Behrens, C. Bebek, Alain Bellerive, Y. Li, P. M. Patel, D. Riley, S. Blinov, D. M. Asner, D. L. Kreinick, T. E. Browder, J. Bartelt, S. Roberts, G. E. Gladding, S. Patton, M. L. Perl, Yuichi Kubota, K. M. Ecklund, Richard Wilson, D. M. Coffman, B. K. Heltsley, G. D. Gollin, A. Soffer, S. Anderson, D. S. Crowcroft, F. R. Wappler, John Yelton, H. Kagan, R. J. Morrison, Mats A Selen, R. Ehrlich, and A. J. Sadoff
Subjects: Physics, Electron–positron annihilation, Isospin, Analytical chemistry, General Physics and Astronomy, Electron, Cornell Electron Storage Ring, Atomic physics
Abstract: Using data collected with the CLEO II detector at the Cornell Electron Storage Ring, we present new measurements of the branching fractions for D{sup +} {yields} K{sub S}K{sup +} and D{sup +} {yields} K{sub S}{pi}{sup +}. These results are combined with other CLEO measurements to extract the ratios of isospin amplitudes and phase shifts for D {yields} KK and D {yields} K{pi}.
Published: 1997
Full Text: View/download PDF

53. Observation of Two Excited Charmed Baryons Decaying intoΛc+π±

Author: A. Anastassov, I. Korolkov, I. Narsky, J. Staeck, T. Liu, D. Gibaut, C. Bebek, L. P. Perera, Yang Li, K. Honscheid, C. M. Korte, J. E. Duboscq, T. E. Coan, T. Hart, C. Ward, R. Ehrlich, N. Kwak, R. Godang, T. Lee, M. Schmidtler, A. J. Weinstein, Tomasz Skwarnicki, J. Gronberg, S.C. Timm, M. Chadha, Y. Kwon, D. W. Bliss, D. M. Coffman, F. Frasconi, D. Z. Besson, E. Gerndt, K. W. Edwards, H. N. Nelson, S. E. Csorna, A. H. Mahmood, M. Bishai, S. L. Jones, S. Blinov, B. K. Heltsley, R. Mountain, J. L. Rodriguez, S. J. Richichi, E. I. Shibata, J. Zheng, Frank Würthwein, J. Urheim, K. K. Gan, T. Riehle, K. Cho, E. Johnson, Jungil Lee, H. Yamamoto, Dj Lange, N. B. Mistry, J. J. Thaler, P. C. Kim, Yurii Maravin, A. D. Foland, K. Kinoshita, G. E. Gladding, G. Masek, S. Menary, Dave Britton, Marina Artuso, T. Bergfeld, S. Patton, R. Davis, Juliet Ritchie Patterson, Kenneth Bloom, J. Mevissen, V. Savinov, G. W. Brandenburg, M. Goldberg, D. He, G. C. Moneti, B. H. Behrens, J. Kandaswamy, R. Wang, M. Dickson, George D Gollin, R. Ammar, V. Shelkov, D. Ugolini, A. Smith, S.F. Schaffner, C.Y. Prescott, M. Yurko, D. G. Cassel, M. Lohner, Anders Ryd, M. Athanas, D. Peterson, A. Undrus, I. C. Lai, N. Katayama, H. Severini, S. Chan, X. J. Zhou, C. Qiao, D. L. Kreinick, Sz Márka, R. A. Briere, S. W. Gray, Jianqiao Ye, Sacha E Kopp, S. Nakanishi, E. H. Thorndike, T. E. Browder, M. S. Alam, R. Wanke, Philip Baringer, C. O’ Grady, G. Eigen, P. I. Hopman, M. Sung, D. Roberts, P. Skubic, Xiangjun Xing, M.A. Palmer, D. Coppage, G. Bonvicini, M. Ogg, J. J.O. Neill, W. R. Ross, M. Lattery, J. P. Alexander, I. Karliner, F. Li, S. Schuh, A. Wolf, H. A. Cho, J. Fast, D. H. Miller, B. I. Eisenstein, Karl Berkelman, A. Freyberger, I. Volobouev, A. Efimov, J. S. Miller, Harold S. Park, R. Poling, L. Gibbons, S. Schrenk, P. Gaidarev, C. R. Ng, C. Darling, H. Marsiske, Yanwen Liu, J. G. Smith, C. P. Jessop, Alice Bean, N. Hancock, Michael S. Witherell, W. T. Ford, S. D. Johnson, R. D. Kass, R. Balest, M. Gao, R. Kutschke, V. Fadeyev, W. S. Brower, S. B. Athar, H. P. Paar, R. Fulton, P. Avery, P. Pomianowski, Ilya Kravchenko, C. D. Jones, Michael Wood, J. W. Hinson, Sheldon Stone, T. K. Nelson, S. Kotov, E. Nordberg, M. M. Zoeller, R. Janicek, G. S. Ludwig, Shengfeng Yang, Z. Ling, I. P.J. Shipsey, K. W. Mc Lean, R. Greene, J. Roy, Ryszard Stroynowski, D. L. Hartill, A. Soffer, P. Rankin, D. Riley, S. Anderson, D. M. Asner, D. Y.J. Kim, H. Tajima, D. S. Crowcroft, D. B. Mac Farlane, J. Bartelt, D. Fujino, S. Roberts, Yurii V. Mukhin, M. L. Perl, B. E. Berger, Yuichi Kubota, F. R. Wappler, P. S. Drell, Richard Wilson, R. Elia, K. Lingel, M. Saulnier, John Yelton, J. Ernst, H. Kagan, D. Cinabro, B. Nemati, R. J. Morrison, Mats A Selen, A. J. Sadoff, B. Gittelman, J. D. Richman, Alain Bellerive, P. M. Patel, B. C. Barish, J. Masui, and Vivek Jain
Subjects: Physics, Charmed baryons, Baryon, Crystallography, Particle physics, TheoryofComputation_ANALYSISOFALGORITHMSANDPROBLEMCOMPLEXITY, Excited state, Electron–positron annihilation, Quark model, Hyperon, General Physics and Astronomy, Lambda, Particle identification
Abstract: Using data recorded by the CLEO-II detector at CESR, we report evidence of a pair of excited charmed baryons, one decaying into {Lambda}{sup +}{sub c}{pi}{sup +} and the other into {Lambda}{sup +}{sub c}{pi}{sup -}. The doubly charged state has a measured mass difference M({Lambda}{sup +}{sub c}{pi}{sup +}) -M({Lambda}{sup +}{sub c}) of 234.5{plus_minus}1.1{plus_minus}0.8 MeV/c{sup 2} and a width of 17.9{sup +3.8}{sub -3.2}{plus_minus}4.0MeV/c{sup 2}, and the neutral state has a measured mass difference M({Lambda}{sup +}{sub c}{pi}{sup -}) -M({Lambda}{sup +}{sub c}) of 232.6{plus_minus}1.0{plus_minus}0.8 MeV/c{sup 2} and a width of 13.0{sup +3.7}{sub -3.0}{plus_minus}4.0MeV/c{sup 2}. We interpret these data as evidence of the {Sigma}{sup *++}{sub c} and {Sigma}{sup *0}{sub c}, the spin (3)/(2){sup +} excitations of the {Sigma}{sub c} baryons. {copyright} {ital 1997} {ital The American Physical Society}
Published: 1997
Full Text: View/download PDF

54. Search for φ mesons in τ lepton decay

Author: M. Gao, H. P. Paar, R. Fulton, C.Y. Prescott, D. J. Dumas, K. Honscheid, C. D. Jones, Jianqiao Ye, C. M. Korte, B. E. Berger, D. Gibaut, Karl Berkelman, A. Efimov, E. Nordberg, Jeffrey Richman, J. E. Duboscq, M. Goldberg, M. Lohner, L. Gibbons, C. Ward, G. S. Ludwig, J. J. O'Neill, J. Gronberg, D. Fujino, J. Urheim, S.C. Timm, M. Chadha, F. Li, E. Gerndt, T. K. Nelson, K. W. Edwards, Dj Lange, M.A. Palmer, Alain Bellerive, H. A. Cho, D. B. MacFarlane, A. J. Weinstein, Tomasz Skwarnicki, P. C. Kim, Y. Kwon, W. S. Brower, P. M. Patel, S. Nakanishi, E. H. Thorndike, T. Bergfeld, M. M. Zoeller, H. N. Nelson, B. H. Behrens, Anders Ryd, M. Athanas, A. Smith, I. Korolkov, N. Copty, S. J. Richichi, Yurii V. Mukhin, Sz Márka, D. Z. Besson, H. Yamamoto, Jungil Lee, J. J. Thaler, D. L. Hartill, A. Wolf, D. Coppage, N. Hancock, G. Bonvicini, S. B. Athar, P. Pomianowski, P. S. Drell, T. Liu, D. He, J. Fast, K. K. Gan, D. G. Cassel, Christopher G. White, V. Savinov, R. Poling, D. W. Bliss, C. Bebek, C. R. Ng, J. Masui, R. Elia, J. Staeck, K. Lingel, A. Undrus, M. Yurko, H. Marsiske, Marina Artuso, J. P. Alexander, M. Saulnier, Michael S. Witherell, J. Roy, Z. Ling, J. Ernst, Ryszard Stroynowski, I. P.J. Shipsey, Philip Baringer, Vivek Jain, R. Ammar, D. L. Kreinick, D. Cinabro, Ilya Kravchenko, T. E. Coan, B. Nemati, I. C. Lai, S. F. Schaffner, R. Greene, Xiangjun Xing, V. Fadeyev, H. Severini, S. Chan, C. O'Grady, B. Gittelman, P. Skubic, Richard Wilson, P. Rankin, Michael Wood, I. J. Kim, F. R. Wappler, I. Narsky, T. E. Browder, H. Tajima, J. W. Hinson, J. S. Miller, R. Wang, G. Masek, S. Roberts, M. Ogg, Juliet Ritchie Patterson, I. Karliner, G. C. Moneti, A. H. Mahmood, Barry C. Barish, E. I. Shibata, R. S. Galik, R. Ehrlich, K. W. McLean, S. L. Jones, Shengfeng Yang, G. E. Gladding, R. A. Briere, S. Patton, D. Riley, B. I. Eisenstein, T. Riehle, D. M. Asner, J. Bartelt, M. L. Perl, R. Davis, Yuichi Kubota, T. Lee, M. Schmidtler, D. M. Coffman, B. K. Heltsley, M. Dickson, G. D. Gollin, C. Qiao, S. W. Gray, R. Mountain, A. Freyberger, S. Schrenk, Yanwen Liu, J. G. Smith, C. P. Jessop, S. D. Johnson, Sacha E Kopp, M. S. Alam, R. Wanke, S. E. Csorna, K. Kinoshita, M. Lattery, G. W. Brandenburg, N. Kwak, M. Bishai, D. H. Miller, P. Gaidarev, S. Menary, Dave Britton, V. Shelkov, M. Sung, W. R. Ross, D. Roberts, I. Volobouev, Yurii Maravin, W. T. Ford, R. D. Kass, R. Balest, J. L. Rodriguez, Frank Würthwein, K. Cho, Sheldon Stone, Paul Avery, N. B. Mistry, J. Mevissen, J. Kandaswamy, John Yelton, H. Kagan, D. Peterson, R. J. Morrison, Mats A Selen, A. J. Sadoff, A. Soffer, S. Anderson, D. S. Crowcroft, Kenneth Bloom, N. Katayama, G. Eigen, Harold S. Park, Alice Bean, R. Kutschke, S. Kotov, and R. Janicek
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Meson, Vector meson dominance, Lepton
Published: 1997
Full Text: View/download PDF

55. Study of flavor-tagged baryon production inBdecay

Author: T. E. Browder, J. J. Thaler, N. Kwak, M. Gao, M. Bishai, M. Ogg, H. P. Paar, R. Ammar, P. Skubic, R. Fulton, S. Menary, Dave Britton, V. Fadeyev, C. Ward, M. Lohner, V. Shelkov, I. Korolkov, H. Severini, S. Chan, N. Copty, V. Savinov, J. Gronberg, S.C. Timm, D. L. Hartill, A. Soffer, C. O'Grady, N. Horwitz, M. Chadha, Philip Baringer, Shawn W. Henderson, D. S. Crowcroft, E. Nordberg, Shengfeng Yang, Xiangjun Xing, P. S. Drell, Y. Kwon, H. Yamamoto, R. Elia, S. Nakanishi, E. H. Thorndike, G. S. Ludwig, D. Cinabro, Jorge Luis Rodriguez, D. Z. Besson, J. S. Miller, M. Saulnier, K. Honscheid, C. M. Korte, J. E. Duboscq, K. W. Edwards, J. Ernst, G. E. Gladding, S. Patton, D. F. Cowen, D. Fujino, F. R. Wappler, B. Nemati, G. Crawford, M.A. Palmer, J. J. O'Neill, B. Gittelman, I. J. Kim, D. H. Miller, R. Ehrlich, Kenneth Bloom, A. H. Mahmood, P. Gaidarev, T. Liu, C. Bebek, S. L. Jones, X. Fu, J. Dominick, T. Lee, Yurii V. Mukhin, A. P. Freyberger, C.Y. Prescott, Pu Wang, N. Katayama, J. K. Nelson, K. W. McLean, G. Wei, J. Roy, Ryszard Stroynowski, John Yelton, M. Lambrecht, G. Masek, F. Muheim, Juliet Ritchie Patterson, G. Eigen, Richard Wilson, P. Rankin, D. W. Bliss, D. Gibaut, R. Mountain, S. Playfer, Z. Ling, I. P.J. Shipsey, H. A. Cho, H. Kagan, D. J. Dumas, D. Riley, J. Fast, R. Poling, D. M. Asner, C. R. Ng, Christopher G. White, M. Sung, Michael S. Witherell, Marina Artuso, Karl Berkelman, Sacha E Kopp, M. S. Alam, R. Wanke, D. Roberts, R. J. Morrison, J. Bartelt, Mats A Selen, K. K. Gan, T. E. Coan, A. J. Sadoff, D. B. MacFarlane, L. Gibbons, P. C. Kim, A. J. Weinstein, Tomasz Skwarnicki, E. Gerndt, D. L. Kreinick, Anders Ryd, M. Athanas, J. Urheim, M. Goldberg, H. N. Nelson, G. C. Moneti, D. G. Cassel, Sz Márka, E. R.F. Hyatt, M. Lattery, Yuichi Kubota, R. Davis, George D Gollin, Ruifang Wang, T. Bergfeld, H. Tajima, B. I. Eisenstein, T. Miao, Harold S. Park, Alice Bean, Alain Bellerive, R. Kutschke, P. M. Patel, S. E. Csorna, K. Lingel, T. K. Nelson, Frank Würthwein, M. M. Zoeller, K. Cho, E. I. Shibata, A. Wolf, K. Kinoshita, S. Sanghera, Jungil Lee, N. B. Mistry, G. W. Brandenburg, N. Hancock, S. Kotov, R. Janicek, D. M. Coffman, B. K. Heltsley, D. Coppage, J. P. Alexander, J. Masui, B. Spaan, J. Mevissen, J. Kandaswamy, M. Dickson, C. Qiao, Vivek Jain, D. Peterson, W. R. Ross, I. Volobouev, J. D. Richman, B. C. Barish, C. D. Jones, S. Roberts, B. E. Berger, C. R. Sun, W. T. Ford, R. D. Kass, R. Balest, Sheldon Stone, Paul Avery, M. Modesitt, S. Schrenk, Yanwen Liu, J. G. Smith, S. D. Johnson, T. Riehle, S. W. Gray, W. S. Brower, P. Pomianowski, Ilya Kravchenko, Michael Wood, J. W. Hinson, and D. He
Subjects: Baryon, Physics, Nuclear and High Energy Physics, Particle physics, High Energy Physics::Phenomenology, Resonance, High Energy Physics::Experiment, Production (computer science), Continuum (set theory), Atomic physics, Lambda, Lepton
Abstract: Using data collected on the $\ensuremath{\Upsilon}(4S)$ resonance and the nearby continuum by the CLEO-II detector, we have studied combinations of baryons with leptons produced in the process $\ensuremath{\Upsilon}(4S)\ensuremath{\rightarrow}B\overline{B}$, $B\ensuremath{\rightarrow}\mathrm{lepton}+X$, $\overline{B}\ensuremath{\rightarrow}\mathrm{baryon}+X$. Our results do not support models which attribute the bulk of ${\ensuremath{\Lambda}}_{c}$ production in $\overline{B}$ decay to the process $b\ensuremath{\rightarrow}{\mathrm{cW}}^{\ensuremath{-}}{,W}^{\ensuremath{-}}\ensuremath{\rightarrow}\overline{c}s$.
Published: 1997
Full Text: View/download PDF

56. First Measurement of the Form Factors in the DecaysD0→ρ−e+νeandD+→ρ0e+νe

Author: B. K. Heltsley, D. Riley, J. Libby, D. Z. Besson, J. Insler, D. Hu, Juliet Ritchie Patterson, D. L. Kreinick, A. J. Sadoff, Amiran Tomaradze, R. Mountain, D. Cronin-Hennessy, N. Lowrey, D. Cinabro, J. Y. Ge, James E Wiss, M. Kornicer, G. S. Adams, Anders Ryd, Z. Metreveli, C. Thomas, Ping Zhou, D. G. Cassel, R. E. Mitchell, Sean A Dobbs, E. H. Thorndike, Mark Smith, S. Blusk, Peter Onyisi, Xin Shi, Kamal K. Seth, A. Powell, C. S. Park, G. Bonvicini, J. P. Alexander, J. Napolitano, K. W. Edwards, D. H. Miller, V. Pavlunin, G. S. Huang, K. Randrianarivony, I. P.J. Shipsey, D. Peterson, Karl Matthew Ecklund, Ting Xiao, S. Ricciardi, Sheldon Stone, S. Mehrabyan, P. Rubin, P. Naik, L. J. Pearson, T. K. Pedlar, R. Ehrlich, Jonathan L. Rosner, Tomasz Skwarnicki, L. Martin, H. Muramatsu, S. W. Gray, V. E. Kuznetsov, B. Moziak, L. K. Gibbons, A. Lincoln, R. A. Briere, Hans J. Vogel, C. M. Tarbert, H. Mendez, Marina Artuso, D. M. Asner, G. Tatishvili, Werner Sun, Lei Zhang, D. L. Hartill, J. Zhu, Mats A Selen, John Yelton, J. Hietala, G. Wilkinson, Souvik Das, B. Xin, and Jonas Rademacker
Subjects: Physics, Coupling constant, Particle physics, Unitarity, 010308 nuclear & particles physics, Branching fraction, Electron–positron annihilation, Maximum likelihood, General Physics and Astronomy, 01 natural sciences, Nuclear physics, 0103 physical sciences, D meson, Up quark, 010306 general physics
Abstract: The beauty to up quark coupling constant |V(ub)| can be extracted from B → ρ e+ ν(e) combined with the form factors for D → K* e+ ν(e) and B → V l+ l- and D → ρ e+ ν(e). Using the entire CLEO-c ψ(3770) → DD event sample, corresponding to an integrated luminosity of 818 pb(-1) and approximately 5.4×10(6) DD events, we measure the form factors for the decays D0 → ρ- e+ ν(e) and D+ → ρ0 e+ ν(e) for the first time and the branching fractions with improved precision. A four-dimensional unbinned maximum likelihood fit determines the form factor ratios to be V(0)/A1(0)=1.48±0.15±0.05 and A2(0)/A1(0)=0.83±0.11±0.04. Assuming Cabibbo-Kobayashi-Maskawa unitarity, the known D meson lifetimes, and our measured branching fractions we obtain the form factor normalizations A1(0), A2(0), and V(0). We also present a measurement of the branching fraction for D+ → ω e+ ν(e) with improved precision.
Published: 2013
Full Text: View/download PDF

57. First Measurement of theB→πℓνandB→ρ(ω)ℓνBranching Fractions

Author: R. Ammar, T. E. Coan, I. C. Lai, H. Severini, S. Chan, Anders Ryd, M. Athanas, Sz Márka, S. Nakanishi, D. He, C. O'Grady, E. H. Thorndike, W. R. Ross, D. Coppage, G. Bonvicini, J. P. Alexander, T. Liu, R. Wang, J. J. Thaler, S. Kotov, I. Volobouev, John Yelton, C. Bebek, Harold S. Park, Alice Bean, R. Janicek, N. Kwak, R. Kutschke, M. Bishai, M. Ogg, D. B. MacFarlane, A. J. Weinstein, Tomasz Skwarnicki, M. Lohner, V. Savinov, J. Urheim, A. Soffer, S. Menary, Daniel W. Bliss, M. Sung, D. Roberts, H. N. Nelson, S. J. Richichi, Kenneth Bloom, J. J. O'Neill, D. L. Kreinick, S. Anderson, D. Cinabro, B. Nemati, D. Fujino, Sheldon Stone, Dave Britton, M. Yurko, N. Katayama, J. Mevissen, A. Undrus, P. C. Kim, A. Freyberger, D. S. Crowcroft, J. Kandaswamy, B. Gittelman, G. Eigen, V. Shelkov, S. E. Csorna, Paul Avery, D. J. Dumas, M. Dickson, I. J. Kim, F. R. Wappler, Yurii V. Mukhin, T. E. Browder, Richard Wilson, Philip Baringer, H. A. Cho, M.A. Palmer, C.Y. Prescott, Jungil Lee, Shengfeng Yang, Karl Berkelman, A. Efimov, D. Peterson, C. Qiao, P. Skubic, A. H. Mahmood, A. Smith, K. Kinoshita, T. Lee, M. Schmidtler, G. W. Brandenburg, Xiangjun Xing, I. Narsky, Y. Kwon, L. Gibbons, K. W. McLean, Yurii Maravin, B. H. Behrens, C. Ward, D. L. Hartill, Jianqiao Ye, I. Korolkov, S. Roberts, N. Copty, R. Poling, D. Z. Besson, J. Gronberg, M. Battle, H. Kagan, Z. Ling, B. C. Barish, S.C. Timm, R. Mountain, I. P.J. Shipsey, M. Chadha, C. R. Ng, C. D. Jones, P. S. Drell, R. Elia, J. Roy, K. Lingel, M. Saulnier, D. G. Cassel, Michael S. Witherell, D. H. Miller, Dj Lange, J. L. Rodriguez, S. F. Schaffner, R. Greene, T. K. Nelson, Ryszard Stroynowski, J. Ernst, B. E. Berger, J. Staeck, I. Karliner, M. Goldberg, H. Yamamoto, R. Davis, P. Rankin, K. K. Gan, Sacha E Kopp, P. Gaidarev, Frank Würthwein, K. Cho, D. Gibaut, N. B. Mistry, M. M. Zoeller, R. J. Morrison, G. E. Gladding, B. I. Eisenstein, M. S. Alam, R. Wanke, Mats A Selen, M. Gao, S. Patton, H. P. Paar, G. Masek, F. Li, Juliet Ritchie Patterson, K. Honscheid, A. J. Sadoff, J. S. Miller, J. Masui, C. M. Korte, K. Sparks, J. Fast, H. Tajima, R. Fulton, J. E. Duboscq, D. Riley, Christopher G. White, H. Marsiske, Vivek Jain, A. Wolf, R. A. Briere, M. Lattery, D. M. Asner, E. Gerndt, V. Fadeyev, K. W. Edwards, E. Nordberg, Jeffrey Richman, W. T. Ford, J. Bartelt, R. D. Kass, Marina Artuso, R. Balest, G. S. Ludwig, N. Hancock, T. Bergfeld, D. M. Coffman, B. K. Heltsley, S. B. Athar, M. L. Perl, G. D. Gollin, Yuichi Kubota, R. Ehrlich, Alain Bellerive, S. L. Jones, P. M. Patel, W. S. Brower, P. Pomianowski, Ilya Kravchenko, Michael Wood, J. W. Hinson, T. Riehle, S. W. Gray, S. Schrenk, Yanwen Liu, J. G. Smith, C. P. Jessop, S. D. Johnson, G. C. Moneti, and E. I. Shibata
Subjects: Physics, Combinatorics, Isospin, General Physics and Astronomy, Omega
Abstract: CLEO has studied $B$ decays to $\ensuremath{\pi}\ensuremath{\ell}\ensuremath{\nu}$, $\ensuremath{\rho}\ensuremath{\ell}\ensuremath{\nu}$, and $\ensuremath{\omega}\ensuremath{\ell}\ensuremath{\nu}$, where $\ensuremath{\ell}\phantom{\rule{0ex}{0ex}}=\phantom{\rule{0ex}{0ex}}eor\ensuremath{\mu}$, by incorporating the missing momentum into full $B$ reconstruction. With the ${B}^{0}$ and ${B}^{+}$ modes combined according to isospin predictions for the relative partial widths, we obtain $B({B}^{0}\ensuremath{\rightarrow}{\ensuremath{\pi}}^{\ensuremath{-}}{\ensuremath{\ell}}^{+}\ensuremath{\nu})\phantom{\rule{0ex}{0ex}}=\phantom{\rule{0ex}{0ex}}(1.8\ifmmode\pm\else\textpm\fi{}0.4\ifmmode\pm\else\textpm\fi{}0.3\ifmmode\pm\else\textpm\fi{}0.2)\ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}4}$ and $B({B}^{0}\ensuremath{\rightarrow}{\ensuremath{\rho}}^{\ensuremath{-}}{\ensuremath{\ell}}^{+}\ensuremath{\nu})\phantom{\rule{0ex}{0ex}}=\phantom{\rule{0ex}{0ex}}(2.5\ifmmode\pm\else\textpm\fi{}{0.4}_{\ensuremath{-}0.7}^{+0.5}\ifmmode\pm\else\textpm\fi{}0.5)\ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}4}$, where the errors are statistical, systematic, and the estimated model dependence. We also estimate $|{V}_{\mathrm{ub}}|\phantom{\rule{0ex}{0ex}}=\phantom{\rule{0ex}{0ex}}(3.3\ifmmode\pm\else\textpm\fi{}{0.2}_{\ensuremath{-}0.4}^{+0.3}\ifmmode\pm\else\textpm\fi{}0.7)\ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}3}$.
Published: 1996
Full Text: View/download PDF

58. A Search for NonresonantB+→h+h−h+Decays

Author: Xingjiang Zhou, Y. Kwon, M. Dickson, J. Urheim, K. Honscheid, T. E. Coan, D. Gibaut, I. C. Lai, H. Severini, S. Chan, C. Qiao, C. M. Korte, Marina Artuso, Ian Shipsey, D. He, K. K. Gan, J. J. Thaler, W. T. Ford, R. D. Kass, R. Balest, D. Cinabro, B. Nemati, B. Gittelman, C. O'Grady, J. Roy, S. Nakanishi, E. H. Thorndike, J. E. Duboscq, K. W. Edwards, Karl Berkelman, A. Efimov, Ryszard Stroynowski, R. Wang, F. R. Wappler, B. E. Berger, M.A. Palmer, W. R. Ross, D. Coppage, P. Rankin, G. Bonvicini, L. Gibbons, D. Fujino, M. Goldberg, J. P. Alexander, I. Volobouev, B. H. Behrens, A. Anastassov, I. Korolkov, J. S. Miller, Sheldon Stone, Anders Ryd, P. Skubic, M. Lohner, G. Masek, Paul Avery, D. G. Cassel, H. Kagan, Sz Márka, D. M. Coffman, A. Wolf, M. Gao, J. Masui, H. Marsiske, Juliet Ritchie Patterson, T. Liu, C. Bebek, Yurii V. Mukhin, Yurii Maravin, B. K. Heltsley, H. P. Paar, R. Fulton, P. S. Drell, Vivek Jain, A. D. Foland, G. D. Gollin, J. L. Rodriguez, J. Staeck, Frank Würthwein, F. Frasconi, G. C. Moneti, V. Fadeyev, K. Cho, R. J. Morrison, Mats A Selen, S. Schrenk, R. Elia, Yanwen Liu, D. L. Kreinick, N. Hancock, K. Lingel, Shengfeng Yang, A. Undrus, N. B. Mistry, J. G. Smith, C. P. Jessop, E. I. Shibata, S. D. Johnson, A. J. Sadoff, Z. Ling, C. Ward, J. Mevissen, A. H. Mahmood, E. Nordberg, Jeffrey Richman, T. E. Browder, S. B. Athar, V. Savinov, J. Kandaswamy, Alice Bean, M. Saulnier, J. Gronberg, S.C. Timm, J. Ernst, Jungil Lee, G. S. Ludwig, H. Yamamoto, T. Hart, S. Roberts, D. B. MacFarlane, A. J. Weinstein, S. F. Schaffner, R. Greene, M. Yurko, E. Johnson, M. Athanas, M. Chadha, I. Karliner, John Yelton, D. Peterson, M. Ogg, R. Davis, Tomasz Skwarnicki, H. N. Nelson, T. K. Nelson, I. Narsky, Philip Baringer, T. Riehle, Dj Lange, Xiangjun Xing, A. Soffer, S. J. Richichi, R. Ammar, B. C. Barish, S. Anderson, G. E. Gladding, S. Patton, K. W. McLean, M. M. Zoeller, J. Fast, D. S. Crowcroft, D. Ugolini, B. I. Eisenstein, D. Y.J. Kim, Sacha E Kopp, M. S. Alam, R. Ehrlich, S. W. Gray, H. Tajima, David Zeke Besson, A. Freyberger, R. Wanke, S. L. Jones, W. S. Brower, R. A. Briere, P. Pomianowski, J. J. O'Neill, Ilya Kravchenko, C. D. Jones, Michael Wood, J. W. Hinson, E. Gerndt, M. Lattery, R. Godang, T. Lee, M. Schmidtler, H. A. Cho, N. Kwak, M. Bishai, T. Bergfeld, D. L. Hartill, S. Menary, Dave Britton, R. Poling, V. Shelkov, C. R. Ng, C. Darling, Michael S. Witherell, R. Mountain, C.Y. Prescott, Jianqiao Ye, S. Kotov, D. Riley, S. Blinov, D. M. Asner, R. Janicek, J. Bartelt, M. L. Perl, Yuichi Kubota, Alain Bellerive, S. Schuh, Y. Li, P. M. Patel, Harold S. Park, S. E. Csorna, Richard Wilson, K. Kinoshita, R. Kutschke, G. W. Brandenburg, Kenneth Bloom, N. Katayama, G. Eigen, P. I. Hopman, M. Sung, D. Roberts, D. H. Miller, P. Gaidarev, L. P. Perera, D. W. Bliss, F. Li, J. Zheng, P. C. Kim, and A. Smith
Subjects: Physics, Particle decay, Crystallography, Antiproton, Branching fraction, TheoryofComputation_ANALYSISOFALGORITHMSANDPROBLEMCOMPLEXITY, General Physics and Astronomy, Cornell Electron Storage Ring, Atomic physics, Bar (unit)
Abstract: We use data collected by the CLEO II detector at the Cornell Electron Storage Ring (CESR) to search for B{sup +} {yields} h{sup +}h{sup -}h{sup +} (non-resonant) decays, where h{sup {+-}} can be either {pi}{sup {+-}}, K{sup {+-}} or p({bar p}). We see no evidence for signals and set upper limits on the branching fractions in the range (2.8 - 8.9) x 10{sup -5}. If observed, these decays may display CP violating asymmetries.
Published: 1996
Full Text: View/download PDF

59. Analysis ofD0→KK¯Xdecays

Author: J. Urheim, B. Nemati, W. R. Ross, A. J.R. Weinstein, K. Honscheid, M. L. Perl, C. M. Korte, T. Liu, M. Modesitt, H. Marsiske, J. Mevissen, Yuichi Kubota, J. E. Duboscq, K. W. Edwards, H. Yamamoto, R. Wang, J. J. Thaler, Vitaliy Fadeyev, J. Kandaswamy, N. Hancock, T. K. Nelson, C. Qiao, J. A. Ernst, R. J. Wilson, Vipul Jain, Jayashree Roy, D. Peterson, T. E. Coan, D. B. MacFarlane, M.A. Palmer, V.G. Shelkov, S. Roberts, K. W. McLean, A. P. Freyberger, S.C. Timm, Igor Volobouev, M. M. Zoeller, N. Horwitz, H. A. Cho, Ryszard Stroynowski, D. Fujino, G. Wei, M. Chadha, E. Gerndt, Richard L. Greene, E. H. Thorndike, H. N. Nelson, S. Schrenk, D. M. Asner, T. Lee, M. Schmidtler, G. E. Gladding, P. M. Patel, D. Z. Besson, James E. Fast, D. Coppage, A. Soffer, S. J. Richichi, Z. Ling, Sheldon Stone, J. P. Alexander, M. Lohner, Paul Avery, A. Wolf, Alexander Undrus, C. R. Ng, P. Rankin, Y. J. Kwon, B. E. Berger, B. Spaan, H. Tajima, J. J. O'Neill, M. Gao, Michael S. Witherell, M.K. Sung, J. Gronberg, Ilya Korolkov, A. H. Mahmood, C. P. Ward, J. L. Rodriguez, Frank Würthwein, H. P. Paar, R. Fulton, T. Miao, John E. Bartelt, D. Gibaut, T. Bergfeld, K. Cho, D. A. Roberts, Anders Ryd, M. Athanas, Sz Márka, N. B. Mistry, P. S. Drell, Sacha E Kopp, S. Sanghera, M. S. Alam, R. Wanke, L. K. Gibbons, Christopher G. White, Pu Wang, R. Elia, X. Fu, R. Mountain, E. Nordberg, G. S. Ludwig, S. J. Patton, K. Lingel, Harold S. Park, Alice Bean, Shengfeng Yang, M. Saulnier, C. R. Sun, W. T. Ford, M. Dickson, R. D. Kass, S. E. Csorna, R. Balest, S. Nakanishi, D. Cinabro, N. Kwak, D. He, R. Ehrlich, M. Bishai, E. I. Shibata, Marina Artuso, B. Gittelman, D. G. Cassel, D. J. Dumas, R. Davis, Robert K. Kutschke, J. Masui, Dave Britton, C.Y. Prescott, I. J. Kim, Karl Berkelman, A. Efimov, K. Kinoshita, R. Poling, G. W. Brandenburg, B. I. Eisenstein, Yurii V. Mukhin, D. M. Coffman, June Hyuk Lee, G. Masek, Juliet Ritchie Patterson, Kenneth Bloom, S. L. Jones, D. W. Bliss, J. D. Richman, D. H. Miller, B. K. Heltsley, Alain Bellerive, N. Katayama, P. Gaidarev, G. D. Gollin, M. Lattery, G. Eigen, S. Kotov, B. C. Barish, Horst Severini, R. A. Briere, D. L. Kreinick, J. S. Miller, C. Bebek, T. E. Browder, R. Janicek, S. B. Anderson, P. Skubic, J. Dominick, V. Savinov, C. P. Jessop, S. Menary, Philip Baringer, M. Ogg, F. Li, Xiangjun Xing, K. K. Gan, T. Skwarnicki, P. C. Kim, M. Goldberg, G. C. Moneti, R. Ammar, S.F. Schaffner, S. Chan, H. Kagan, S. Playfer, C. P. O'Grady, R. J. Morrison, Mats A Selen, A. J. Sadoff, John Yelton, D. L. Hartill, D. S. Crowcroft, N. Copty, F. R. Wappler, W. S. Brower, P. Pomianowski, M. Lambrecht, I. P. J. Shipsey, Ilya Kravchenko, Janice Nelson, C. D. Jones, Michael Wood, J. W. Hinson, Yanwen Liu, J. G. Smith, S. D. Johnson, M. Yurko, T. Riehle, S. W. Gray, and D. Riley
Subjects: Systematic error, Combinatorics, Physics, Nuclear and High Energy Physics
Abstract: Using data taken with the CLEO II detector, we have studied the decays of the ${D}^{0}$ to ${K}^{+}{K}^{\ensuremath{-}}$, ${K}^{0}{\overline{K}}^{0}$, ${K}_{S}^{0}{K}_{S}^{0}{K}_{S}^{0}$, ${K}_{S}^{0}{K}_{S}^{0}{\ensuremath{\pi}}^{0}$, ${K}^{+}{K}^{\ensuremath{-}}{\ensuremath{\pi}}^{0}$. We present significantly improved results for $B({D}^{0}\ensuremath{\rightarrow}{K}^{+}{K}^{\ensuremath{-}})=(0.454\ifmmode\pm\else\textpm\fi{}0.028\ifmmode\pm\else\textpm\fi{}0.035)%$, $B({D}^{0}\ensuremath{\rightarrow}{K}^{0}{\overline{K}}^{0})=(0.054\ifmmode\pm\else\textpm\fi{}0.012\ifmmode\pm\else\textpm\fi{}0.010)%$, and $B({D}^{0}\ensuremath{\rightarrow}{K}_{S}^{0}{K}_{S}^{0}{K}_{S}^{0})=(0.074\ifmmode\pm\else\textpm\fi{}0.010\ifmmode\pm\else\textpm\fi{}0.015)%$, where the first errors are statistical and the second errors are the estimate of our systematic uncertainty. We also present a new upper limit $B({D}^{0}\ensuremath{\rightarrow}{K}_{S}^{0}{K}_{S}^{0}{\ensuremath{\pi}}^{0})l0.059%$ at the 90% confidence level and the first measurement of $B({D}^{0}\ensuremath{\rightarrow}{K}^{+}{K}^{\ensuremath{-}}{\ensuremath{\pi}}^{0})=(0.14\ifmmode\pm\else\textpm\fi{}0.04)%$.
Published: 1996
Full Text: View/download PDF

60. Measurement of the inclusive semielectronicD0branching fraction

Author: B. Nemati, B. Gittelman, T. Liu, F. Muheim, C. Bebek, D. Riley, I. J. Kim, F. R. Wappler, A. P. Freyberger, D. M. Asner, Anders Ryd, M. Athanas, J. Bartelt, Sz Márka, B. C. Barish, S. Playfer, J. J. Thaler, A. Wolf, M. Lohner, H. A. Cho, P. S. Drell, R. Elia, Jorge Luis Rodriguez, M. Saulnier, J. Ernst, D. L. Hartill, R. Poling, J. Masui, B. Spaan, Yuichi Kubota, T. Lee, S. Sanghera, M. Modesitt, C. R. Ng, M. Ogg, Michael S. Witherell, Sacha E Kopp, D. He, N. Hancock, Vivek Jain, Richard Wilson, Shengfeng Yang, A. Soffer, M. S. Alam, R. Wanke, J. K. Nelson, K. Honscheid, S. Kotov, C.Y. Prescott, C. M. Korte, S. Schrenk, Yanwen Liu, J. G. Smith, P. C. Kim, T. E. Browder, R. Janicek, J. Urheim, D. F. Cowen, S. E. Csorna, Y. Kwon, D. S. Crowcroft, E. R.F. Hyatt, M. Lattery, J. E. Duboscq, K. W. Edwards, S. D. Johnson, T. Miao, R. Mountain, C. D. Jones, D. Z. Besson, I. Korolkov, N. Copty, R. Ammar, N. Kwak, M. Bishai, Alain Bellerive, B. E. Berger, G. Wei, T. E. Coan, H. Severini, Kenneth Bloom, S. Chan, K. Kinoshita, W. R. Ross, D. B. MacFarlane, A. J. Weinstein, P. M. Patel, T. Riehle, K. Lingel, M. Goldberg, C. O'Grady, G. Masek, K. K. Gan, G. W. Brandenburg, N. Katayama, J. Roy, Juliet Ritchie Patterson, G. Crawford, G. Eigen, Ryszard Stroynowski, A. H. Mahmood, Tomasz Skwarnicki, H. Kagan, J. Fast, M.A. Palmer, H. N. Nelson, S. Menary, Christopher G. White, P. Rankin, Dave Britton, S. W. Gray, I. Volobouev, Harold S. Park, D. W. Bliss, W. S. Brower, D. H. Miller, E. Gerndt, D. Gibaut, R. Davis, Alice Bean, V. Shelkov, P. Pomianowski, P. Gaidarev, X. Fu, R. J. Morrison, Mats A Selen, George D Gollin, R. Kutschke, J. Mevissen, J. Kandaswamy, P. Skubic, A. J. Sadoff, Ilya Kravchenko, Michael Wood, Ruifang Wang, M. Gao, T. Bergfeld, D. G. Cassel, J. W. Hinson, C. R. Sun, W. T. Ford, D. Peterson, R. D. Kass, R. Balest, H. P. Paar, R. Fulton, K. W. McLean, John Yelton, M. Lambrecht, Marina Artuso, M. Sung, D. Roberts, Sheldon Stone, Paul Avery, Shawn W. Henderson, Frank Würthwein, E. Nordberg, Jeffrey Richman, K. Cho, N. B. Mistry, G. S. Ludwig, B. I. Eisenstein, H. Yamamoto, G. C. Moneti, E. I. Shibata, M. Dickson, D. L. Kreinick, Pu Wang, Jungil Lee, S. Roberts, V. Fadeyev, C. Qiao, J. S. Miller, S. Nakanishi, E. H. Thorndike, D. Coppage, J. P. Alexander, D. M. Coffman, V. Savinov, B. K. Heltsley, Philip Baringer, D. Cinabro, Xiangjun Xing, G. E. Gladding, S. Patton, R. Ehrlich, S. L. Jones, J. Dominick, T. K. Nelson, M. M. Zoeller, C. Ward, J. Gronberg, S.C. Timm, N. Horwitz, M. Chadha, D. J. Dumas, Z. Ling, I. P.J. Shipsey, Karl Berkelman, H. Tajima, D. Fujino, J. J. O'Neill, Yurii V. Mukhin, and L. Gibbons
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Meson, 010308 nuclear & particles physics, Angular correlation, Branching fraction, Electron–positron annihilation, 0103 physical sciences, High Energy Physics::Experiment, Cornell Electron Storage Ring, 010306 general physics, 01 natural sciences
Abstract: Using the angular correlation between the ${\ensuremath{\pi}}^{+}$ emitted in a ${D}^{*+}\ensuremath{\rightarrow}{D}^{0}{\ensuremath{\pi}}^{+}$ decay and the ${e}^{+}$ emitted in the subsequent ${D}^{0}\ensuremath{\rightarrow}X{e}^{+}\ensuremath{\nu}$ decay, we have measured the branching fraction for the inclusive semielectronic decay of the ${D}^{0}$ meson to be $\mathcal{B}({D}^{0}\ensuremath{\rightarrow}X{e}^{+}\ensuremath{\nu})=[6.64\ifmmode\pm\else\textpm\fi{}0.18(\mathrm{stat})\ifmmode\pm\else\textpm\fi{}0.29(\mathrm{syst})]%$. The measurement uses 1.7 ${\mathrm{fb}}^{\ensuremath{-}1}$ of ${e}^{+}{e}^{\ensuremath{-}}$ collisions recorded by the CLEO II detector located at the Cornell Electron Storage Ring (CESR). Combining this result with previous CLEO results we find $\frac{\mathcal{B}({D}^{0}\ensuremath{\rightarrow}X{e}^{+}\ensuremath{\nu})}{\mathcal{B}({D}^{0}\ensuremath{\rightarrow}{K}^{\ensuremath{-}}{\ensuremath{\pi}}^{+})}=1.684\ifmmode\pm\else\textpm\fi{}0.056(\mathrm{stat})\ifmmode\pm\else\textpm\fi{}0.093(\mathrm{syst})$ and $\frac{\mathcal{B}({D}^{0}\ensuremath{\rightarrow}{K}^{\ensuremath{-}}{e}^{+}\ensuremath{\nu})}{\mathcal{B}({D}^{0}\ensuremath{\rightarrow}X{e}^{+}\ensuremath{\nu})}=0.581\ifmmode\pm\else\textpm\fi{}0.023(\mathrm{stat})\ifmmode\pm\else\textpm\fi{}0.028(\mathrm{syst})$. The difference between this inclusive rate and the sum of the measured exclusive branching fractions (measured at CLEO and other experiments) is also presented.
Published: 1996
Full Text: View/download PDF

61. Observation of an Excited Charmed Baryon Decaying intoΞc0π+

Author: N. Kwak, M. Bishai, A. Wolf, J. L. Rodriguez, Frank Würthwein, S. Sanghera, S. Menary, Dave Britton, E. Gerndt, K. Cho, D. M. Coffman, N. Hancock, N. B. Mistry, C. Ward, J. Gronberg, S.C. Timm, N. Horwitz, B. K. Heltsley, D. Fujino, A. H. Mahmood, V. Shelkov, M. Chadha, G. D. Gollin, J. J. O'Neill, T. Bergfeld, John Yelton, M. Lambrecht, K. W. McLean, J. J. Thaler, M. Ogg, D. J. Dumas, J. Mevissen, Yurii V. Mukhin, Karl Berkelman, A. Efimov, J. Kandaswamy, A. Soffer, H. Yamamoto, P. C. Kim, D. Gibaut, L. Gibbons, S. Playfer, M. Sung, D. S. Crowcroft, Daniel W. Bliss, D. Peterson, D. Roberts, T. K. Nelson, D. Riley, R. Ammar, C.Y. Prescott, Anders Ryd, M. Athanas, R. Ehrlich, S. Nakanishi, B. C. Barish, P. S. Drell, E. H. Thorndike, G. E. Gladding, S. Patton, T. E. Coan, H. Severini, S. Chan, D. M. Asner, Z. Ling, C. O'Grady, Kenneth Bloom, S. E. Csorna, Sz Márka, R. Elia, K. Lingel, C. D. Jones, S. L. Jones, J. Dominick, M. M. Zoeller, D. G. Cassel, C. R. Sun, W. T. Ford, H. Kagan, Y. Kwon, D. Z. Besson, J. Bartelt, G. Masek, M. Saulnier, Juliet Ritchie Patterson, N. Katayama, Ian Shipsey, D. He, D. Coppage, J. P. Alexander, R. D. Kass, J. Ernst, R. Wang, S. F. Schaffner, A. Freyberger, R. Balest, G. Eigen, G. C. Moneti, Marina Artuso, J. Urheim, B. E. Berger, V. Savinov, D. L. Kreinick, K. K. Gan, D. Cinabro, R. J. Morrison, K. Kinoshita, M. L. Perl, G. W. Brandenburg, Mats A Selen, H. Marsiske, J. Roy, B. Nemati, E. I. Shibata, T. Liu, B. Gittelman, A. J. Sadoff, C. Bebek, T. E. Browder, F. Li, M. Goldberg, T. Miao, M. Dickson, Yuichi Kubota, H. Tajima, I. J. Kim, F. R. Wappler, Philip Baringer, S. Roberts, Ryszard Stroynowski, C. Qiao, J. Fast, Christopher G. White, D. H. Miller, Xiangjun Xing, Sheldon Stone, Paul Avery, P. Skubic, P. Gaidarev, X. Fu, J. Masui, B. Spaan, J. S. Miller, Harold S. Park, Richard Wilson, V. Fadeyev, B. I. Eisenstein, Alice Bean, P. Rankin, R. Kutschke, M. Lohner, Pu Wang, Vivek Jain, Jungil Lee, S. Kotov, R. Janicek, H. A. Cho, R. Davis, Alain Bellerive, D. L. Hartill, R. Poling, Shengfeng Yang, P. M. Patel, M.A. Palmer, C. R. Ng, Michael S. Witherell, T. Lee, M. Schmidtler, J. K. Nelson, R. Mountain, A. Undrus, G. Wei, D. B. MacFarlane, A. J. Weinstein, Tomasz Skwarnicki, H. N. Nelson, S. J. Richichi, M. Gao, H. P. Paar, R. Fulton, E. Nordberg, Jeffrey Richman, G. S. Ludwig, W. S. Brower, R. A. Briere, P. Pomianowski, Ilya Kravchenko, Michael Wood, J. W. Hinson, T. Riehle, S. W. Gray, M. Modesitt, S. Schrenk, Yanwen Liu, J. G. Smith, C. P. Jessop, S. D. Johnson, Sacha E Kopp, M. S. Alam, R. Wanke, M. Lattery, I. Korolkov, N. Copty, K. Honscheid, C. M. Korte, J. E. Duboscq, K. W. Edwards, W. R. Ross, and I. Volobouev
Subjects: Baryon, Charmed baryons, Physics, Excited state, Isospin, Pi, General Physics and Astronomy, State (functional analysis), Atomic physics
Abstract: Using data recorded by the CLEO-II detector at CESR, they report the first observation of an excited charmed baryon decaying into {Xi}{sub c}{sup 0}{pi}{sup +}. The state has mass difference M({Xi}{sub c}{sup 0}{pi}{sup +}) = M({Xi}{sub c}{sup 0}) of 174.3 {+-} 0.5 {+-} 1.0 MeV/c{sup 2}, and a width of < 3.1 MeV/c{sup 2} (90% confidence level limit). They identify the new state as the {Xi}*{sub c}{sup +}, the isospin partner of the recently discovered {Xi}*{sub c}{sup 0}.
Published: 1996
Full Text: View/download PDF

62. Inclusive decayB→ηX

Author: D. G. Cassel, J. Urheim, S. E. Csorna, T. Liu, C. Bebek, Kenneth Bloom, D. Cinabro, K. Kinoshita, N. Katayama, A. P. Freyberger, B. I. Eisenstein, S. Patton, D. B. MacFarlane, G. Eigen, K. Lingel, A. J. Weinstein, N. Kwak, M. Bishai, H. N. Nelson, Daniel Johnson, T. Skwarnicki, M. Sung, P. S. Drell, C. R. Sun, T. K. Nelson, M. Gao, W. S. Brower, D. Gibaut, W. T. Ford, R. D. Kass, H. P. Paar, R. Fulton, Maurice Garcia-Sciveres, R. Balest, R. Davis, J. Gronberg, Jorge Luis Rodriguez, M. Saulnier, D. H. Miller, Shengfeng Yang, P. C. Kim, S. Menary, Dave Britton, P. Gaidarev, E. Nordberg, Jeffrey Richman, P. Pomianowski, G. S. Ludwig, N. Horwitz, R. L. McIlwain, M. Chadha, M. M. Zoeller, X. Fu, D. Riley, Jungil Lee, Alice Bean, V. Shelkov, S. Schrenk, A. Wolf, D. M. Coffman, Ha Lam, D. F. Cowen, Marina Artuso, Y. Kwon, R. Kutschke, J. K. Nelson, S. Sanghera, B. K. Heltsley, P. Zadorozhny, F. Muheim, B. Geiser, D. Z. Besson, N. Hancock, F. Butler, Ilya Kravchenko, J. Mevissen, R. Mountain, G. D. Gollin, K. K. Gan, A. H. Mahmood, M. Lohner, S. Salman, C. M. Daubenmier, Michael Wood, Ryszard Stroynowski, J. Kandaswamy, S. Playfer, B. Nemati, J. Bartelt, P. Rankin, B. C. Barish, B. Gittelman, D. L. Kreinick, T. Miao, S. Kotov, J. W. Hinson, Anders Ryd, M. Athanas, John Yelton, I. J. Kim, F. R. Wappler, J. Masui, B. Spaan, R. Ammar, Chunjie Wang, M. Lambrecht, J. J. Thaler, M. S. Alam, Sheldon Stone, H. Severini, S. Chan, Paul Avery, Vivek Jain, D. Peterson, C. O'Grady, C. Qiao, J. Ernst, M. Momayezi, H. Kagan, Pu Wang, S. Roberts, E. R.F. Hyatt, M. Lattery, M. Sapper, G. C. Moneti, M. Battle, S. Nakanishi, E. H. Thorndike, E. I. Shibata, C. D. Jones, M. Goldberg, W. R. Ross, D. Coppage, J. P. Alexander, R. J. Morrison, Mats A Selen, A. J. Sadoff, M. L. Kelly, M. Ogg, I. Volobouev, G. Zhu, Yuichi Kubota, S. W. Gray, D. J. Dumas, D. S. Crowcroft, M. Modesitt, Karl Berkelman, G. Crawford, J. G. Smith, L. Gibbons, K. Cho, Alain Bellerive, N. B. Mistry, P. M. Patel, Richard Wilson, B. Ong, D. He, T. E. Browder, J. Fast, Christopher G. White, P. Skubic, G. Wei, Z. Ling, I. P.J. Shipsey, Shawn W. Henderson, E. Gerndt, G. Masek, K. W. Edwards, H. Tajima, Z. Egyed, D. Fujino, Juliet Ritchie Patterson, K. Honscheid, C. M. Korte, J. J. O'Neill, Yurii V. Mukhin, D. Sperka, N. Copty, Ruifang Wang, T. Bergfeld, D. Payne, H. A. Cho, D. L. Hartill, R. Poling, C. R. Ng, M.A. Palmer, Michael S. Witherell, H. Yamamoto, J. S. Miller, V. Savinov, Yoram Rozen, F. Würthwein, Philip Baringer, Xiangjun Xing, R. Ehrlich, S. L. Jones, and J. Dominick
Subjects: Physics, Nuclear and High Energy Physics, Annihilation, Meson, Branching fraction, High Energy Physics::Phenomenology, Continuum (design consultancy), Resonance, Nuclear physics, Momentum, Yield (chemistry), High Energy Physics::Experiment, B meson, Nuclear Experiment
Abstract: Using data samples taken at the ϒ(4S) resonance and nearby continuum e + e - annihilation with the CLEO-II detector at CESR, we have measured the inclusive branching fraction B(B→ηX)=(17.6±1.1±1.2)%, and the momentum distribution of the η mesons from B meson decay. The η yield cannot be explained as arising solely from the decay of intermediate charmed mesons.
Published: 1996
Full Text: View/download PDF

63. Measurement of the branching fraction for Ds− → Φπ−

Author: G. E. Gladding, S. Patton, M. Gao, H. Kagan, D. L. Kreinick, H. P. Paar, R. Fulton, T. E. Browder, R. J. Morrison, Mats A Selen, D. Payne, H. A. Cho, A. J. Sadoff, D. L. Hartill, A. Soffer, K. Honscheid, S. Anderson, John Yelton, M. Lambrecht, S. Roberts, D. S. Crowcroft, C. M. Korte, D. Gibaut, J. E. Duboscq, F. R. Wappler, R. Poling, C. R. Ng, E. Nordberg, D. M. Coffman, B. K. Heltsley, I. Korolkov, N. Copty, G. D. Gollin, G. S. Ludwig, Michael S. Witherell, T. E. Coan, D. B. MacFarlane, C. Ward, Pu Wang, M. Dickson, H. Marsiske, A. J. Weinstein, Tomasz Skwarnicki, H. N. Nelson, G. Masek, S. J. Richichi, Juliet Ritchie Patterson, Richard Wilson, J. J. Thaler, J. Mevissen, J. Gronberg, C. Qiao, L. P.J. Shipsey, E. I. Shibata, A. Undrus, S.C. Timm, V. Fadeyev, J. Kandaswamy, N. Horwitz, M. Chadha, Kenneth Bloom, Shengfeng Yang, S. Nakanishi, R. A. Briere, E. H. Thorndike, M. Sung, D. Roberts, Marina Artuso, N. Katayama, Y. Kwon, D. Peterson, G. Eigen, R. Davis, Jungil Lee, Alain Bellerive, Sheldon Stone, Paul Avery, D. Z. Besson, K. W. McLean, M. Lohner, D. Coppage, J. P. Alexander, R. Ammar, M.A. Palmer, D. He, P. M. Patel, M. Ogg, C.Y. Prescott, S. Playfer, A. Wolf, S. E. Csorna, D. Riley, R. Ehrlich, Anders Ryd, M. Athanas, A. H. Mahmood, W. R. Ross, D. M. Asner, C. D. Jones, C. R. Sun, W. T. Ford, Sz Márka, G. Wei, Harold S. Park, R. D. Kass, J. Bartelt, T. Lee, M. Schmidtler, R. Balest, P. S. Drell, A. Freyberger, T. Liu, H. Severini, S. Chan, K. Kinoshita, I. Volobouev, Alice Bean, R. Elia, M. L. Perl, Yuichi Kubota, G. W. Brandenburg, J. K. Nelson, C. Bebek, N. Kwak, K. Lingel, M. Saulnier, R. Kutschke, B. E. Berger, M. Bishai, E. Gerndt, J. Ernst, C. O'Grady, P. Skubic, S. L. Jones, K. W. Edwards, D. H. Miller, D. W. Bliss, D. Cinabro, H. Yamamoto, S. Sanghera, P. Gaidarev, D. J. Dumas, X. Fu, B. Nemati, B. Gittelman, R. Mountain, Karl Berkelman, S. Menary, A. Efimov, Dave Britton, J. L. Rodriguez, J. Dominick, I. J. Kim, T. Bergfeld, Frank Würthwein, L. Gibbons, R. Wang, S. Kotov, J. Masui, K. Cho, V. Shelkov, R. Janicek, D. G. Cassel, B. Spaan, N. B. Mistry, N. Hancock, Sacha E Kopp, M. S. Alam, R. Wanke, J. S. Miller, Vivek Jain, M. Lattery, B. I. Eisenstein, J. Fast, F. Li, Christopher G. White, J. D. Richman, J. Urheim, B. C. Barish, K. K. Gan, P. C. Kim, M. Goldberg, G. C. Moneti, S.F. Schaffner, V. Savinov, M. Yurko, T. K. Nelson, T. Miao, Philip Baringer, Xiangjun Xing, M. M. Zoeller, J. Roy, Ryszard Stroynowski, P. Rankin, Z. Ling, R. Greene, H. Tajima, D. Fujino, J. J. O'Neill, Yurii V. Mukhin, T. Riehle, S. W. Gray, W. S. Brower, P. Pomianowski, Ilya Kravchenko, Michael Wood, J. W. Hinson, M. Modesitt, S. Schrenk, Yanwen Liu, J. G. Smith, C. P. Jessop, and S. D. Johnson
Subjects: Nuclear physics, Physics, Nuclear and High Energy Physics, Branching fraction, Analytical chemistry
Abstract: We present a model-independent measurement of B(D s − → Φπ − ) B(D 0 → K − π + ) by partially reconstructing the decay B 0 → D ∗+ D s ∗− . Using data collected with the CLEO II detector at CESR, we determine B(D s − → Φπ − ) B(D 0 → K − π + ) = 0.92 ± 0.20 (stat.) ± 0.11(syst.) . Our measurement of B ( D 0 → K − π + ) then gives B ( D s − → Φπ − ) = (3.59 ± 0.77 ± 0.48)%.
Published: 1996
Full Text: View/download PDF

64. First Observation of the Decayτ−→K−ηντ

Author: T. Liu, C. Bebek, J. Mevissen, J. Kandaswamy, D. Fujino, J. J. O'Neill, D. Cinabro, D. He, B. Nemati, J. Fast, E. Gerndt, R. Ehrlich, Christopher G. White, D. Gibaut, T. Bergfeld, B. Gittelman, D. Peterson, C.Y. Prescott, D. H. Miller, W. S. Brower, A. Undrus, S. L. Jones, M. Dickson, H. Kagan, Yurii V. Mukhin, H. A. Cho, T. Lee, P. Pomianowski, C. Ward, I. J. Kim, F. R. Wappler, M. Schmidtler, J. Dominick, P. Gaidarev, C. Qiao, X. Fu, J. Gronberg, J. K. Nelson, S.C. Timm, D. L. Kreinick, N. Horwitz, Shengfeng Yang, D. L. Hartill, J. S. Miller, Ilya Kravchenko, Y. Kwon, M. Chadha, Michael Wood, S. Playfer, R. Poling, Kenneth Bloom, J. Urheim, C. R. Ng, D. Z. Besson, S. Nakanishi, R. Davis, J. W. Hinson, Z. Ling, R. Mountain, N. Katayama, J. L. Rodriguez, R. J. Morrison, Michael S. Witherell, G. Eigen, E. H. Thorndike, T. E. Browder, P. Skubic, Marina Artuso, I. P.J. Shipsey, Frank Würthwein, K. Cho, Mats A Selen, D. Riley, B. C. Barish, D. Coppage, J. P. Alexander, K. K. Gan, T. Riehle, S. Roberts, S. F. Schaffner, R. Greene, A. J. Sadoff, J. Roy, D. G. Cassel, D. M. Asner, D. J. Dumas, N. B. Mistry, W. R. Ross, M. Sung, P. S. Drell, R. Elia, S. Kotov, R. Janicek, Ryszard Stroynowski, G. Masek, Juliet Ritchie Patterson, J. Masui, B. Spaan, D. Roberts, F. Li, V. Savinov, Karl Berkelman, A. Efimov, K. Lingel, J. Bartelt, Sacha E Kopp, M. S. Alam, R. Wanke, P. Rankin, R. S. Galik, M. Yurko, S. W. Gray, I. Volobouev, L. Gibbons, M. Saulnier, Vivek Jain, M. Modesitt, Pu Wang, John Yelton, M. Lambrecht, J. Ernst, M. L. Perl, K. Honscheid, A. Freyberger, R. A. Briere, Jungil Lee, Philip Baringer, Anders Ryd, M. Athanas, Yuichi Kubota, M. Lattery, H. Tajima, Harold S. Park, Xiangjun Xing, Sz Márka, C. M. Korte, B. I. Eisenstein, A. Soffer, Alice Bean, S. E. Csorna, S. Schrenk, S. Anderson, R. Kutschke, Yanwen Liu, J. G. Smith, C. D. Jones, C. P. Jessop, D. S. Crowcroft, Alain Bellerive, N. Kwak, M. Lohner, R. Ammar, B. E. Berger, M. Bishai, J. E. Duboscq, K. W. Edwards, S. D. Johnson, K. Kinoshita, G. W. Brandenburg, T. E. Coan, P. M. Patel, H. Severini, S. Chan, D. W. Bliss, M. Goldberg, D. M. Coffman, I. Korolkov, N. Copty, G. Wei, C. O'Grady, S. Menary, G. C. Moneti, Dave Britton, Richard Wilson, P. C. Kim, B. K. Heltsley, E. I. Shibata, V. Shelkov, C. R. Sun, W. T. Ford, R. Wang, R. D. Kass, R. Balest, G. D. Gollin, Sheldon Stone, Paul Avery, G. E. Gladding, S. Patton, A. Wolf, S. Sanghera, N. Hancock, T. Miao, T. K. Nelson, M. M. Zoeller, J. J. Thaler, M.A. Palmer, M. Ogg, M. Gao, A. H. Mahmood, K. W. McLean, H. P. Paar, R. Fulton, H. Marsiske, V. Fadeyev, E. Nordberg, Jeffrey Richman, G. S. Ludwig, D. B. MacFarlane, A. J. Weinstein, Tomasz Skwarnicki, H. N. Nelson, S. J. Richichi, and H. Yamamoto
Subjects: Physics, Particle decay, Particle physics, Meson, Branching fraction, Electron–positron annihilation, General Physics and Astronomy, High Energy Physics::Experiment, Atomic physics
Abstract: The decay {tau}{sup -} {yields} K{sup -} {eta}{nu}{sub {tau}} has been observed with the CLEO II detector. The {eta} meson is reconstructed using two decay channels, {eta} {yields} {gamma}{gamma} and {pi}{sup +}{pi}{sup -}{pi}{sup 0}. The measured branching fraction is B({tau}{sup -} {yields} K{sup -}{eta}{nu}{sub {tau}}) = (2.6 {+-} 0.5 {+-} 0.5) x 10{sup -4}, somewhat higher than the theoretical estimates. An improved upper limit for the second-class-current decay {tau}{sup -} {yields} {pi}{sup -}{eta}{nu}{sub {tau}} is set, B({tau}{sup -} {yields} {pi}{sup -}{eta}{nu}{sub {tau}}) < 1.4 x 10{sup -4} at 95% CL, consistent with the theoretical expectations.
Published: 1996
Full Text: View/download PDF

65. Measurement of the Form Factors forB¯0→D*+ℓ−ν¯

Author: D. Gibaut, R. Ammar, D. Riley, V. Savinov, Z. Ling, D. M. Asner, T. E. Coan, I. P.J. Shipsey, J. Bartelt, S. F. Schaffner, Philip Baringer, H. Severini, T. Lee, M. Schmidtler, S. Chan, Xiangjun Xing, J. K. Nelson, R. Mountain, M. Gao, Marina Artuso, J. Urheim, M.A. Palmer, M. L. Perl, H. P. Paar, R. Fulton, C. O'Grady, Yuichi Kubota, J. Mevissen, D. L. Kreinick, H. Tajima, J. Kandaswamy, Harold S. Park, W. S. Brower, R. Ehrlich, A. H. Mahmood, T. E. Browder, Alice Bean, P. Pomianowski, S. L. Jones, E. Nordberg, Jeffrey Richman, Y. Kwon, R. Wang, Alain Bellerive, D. Fujino, J. J. O'Neill, J. Dominick, G. S. Ludwig, D. Z. Besson, R. Kutschke, K. W. McLean, S. Roberts, D. Peterson, Ilya Kravchenko, P. M. Patel, J. S. Miller, Yurii V. Mukhin, Michael Wood, D. B. MacFarlane, A. J. Weinstein, Daniel W. Bliss, Tomasz Skwarnicki, D. J. Dumas, J. W. Hinson, H. Yamamoto, Kenneth Bloom, Shengfeng Yang, J. Fast, M. Modesitt, H. N. Nelson, J. J. Thaler, Richard Wilson, I. Korolkov, N. Copty, N. Katayama, D. Cinabro, G. E. Gladding, Christopher G. White, K. K. Gan, S. J. Richichi, P. C. Kim, S. Patton, G. Eigen, T. Liu, C. Bebek, J. L. Rodriguez, C.Y. Prescott, S. Schrenk, Yanwen Liu, J. G. Smith, C. P. Jessop, Frank Würthwein, M. Ogg, A. P. Freyberger, T. Miao, K. Cho, S. D. Johnson, H. Marsiske, N. B. Mistry, F. Li, A. Wolf, M. Dickson, S. Kotov, Karl Berkelman, R. Janicek, J. Roy, E. Gerndt, W. R. Ross, S. Sanghera, D. M. Coffman, C. Qiao, V. Fadeyev, Ryszard Stroynowski, K. W. Edwards, I. Volobouev, N. Hancock, B. K. Heltsley, A. Efimov, T. Riehle, C. R. Sun, W. T. Ford, P. Rankin, S. Nakanishi, E. H. Thorndike, G. D. Gollin, R. D. Kass, R. Balest, T. Bergfeld, D. Coppage, K. Honscheid, J. P. Alexander, C. M. Korte, S. W. Gray, T. K. Nelson, J. E. Duboscq, R. Davis, Sheldon Stone, Paul Avery, L. Gibbons, C. Ward, J. Gronberg, S.C. Timm, N. Horwitz, M. Chadha, Anders Ryd, M. Athanas, Sz Márka, N. Kwak, M. Bishai, S. Menary, Dave Britton, V. Shelkov, S. Playfer, Sacha E Kopp, M. S. Alam, R. Wanke, M. Lattery, H. Kagan, D. G. Cassel, B. I. Eisenstein, Jungil Lee, D. He, B. Nemati, B. Gittelman, R. J. Morrison, Mats A Selen, H. A. Cho, I. J. Kim, F. R. Wappler, D. H. Miller, A. J. Sadoff, P. Gaidarev, X. Fu, D. L. Hartill, A. Soffer, R. Poling, C. R. Ng, D. S. Crowcroft, Michael S. Witherell, G. C. Moneti, S. E. Csorna, P. Skubic, M. Lohner, K. Kinoshita, G. W. Brandenburg, P. S. Drell, R. Elia, K. Lingel, M. Saulnier, J. Ernst, E. I. Shibata, John Yelton, M. Lambrecht, M. Sung, D. Roberts, J. Masui, B. Spaan, Vivek Jain, C. D. Jones, B. E. Berger, M. Goldberg, B. C. Barish, G. Wei, G. Masek, Juliet Ritchie Patterson, Pu Wang, R. A. Briere, and M. M. Zoeller
Subjects: Combinatorics, Physics, General Physics and Astronomy, Cornell Electron Storage Ring
Abstract: Using a sample of $2.6\ifmmode\times\else\texttimes\fi{}{10}^{6}$ $\ensuremath{\Upsilon}(4\mathrm{S})\ensuremath{\rightarrow}B\overline{B}$ events collected with the CLEO II detector at the Cornell Electron Storage Ring, we have measured the form factors for ${\overline{B}}^{0}\ensuremath{\rightarrow}{D}^{*+}{\ensuremath{\ell}}^{\ensuremath{-}}\overline{\ensuremath{\nu}}$. We perform a three-parameter fit with the joint distribution of four kinematic variables to obtain the form-factor ratios ${R}_{1}\phantom{\rule{0ex}{0ex}}=\phantom{\rule{0ex}{0ex}}1.18\ifmmode\pm\else\textpm\fi{}0.30\ifmmode\pm\else\textpm\fi{}0.12$ and ${R}_{2}\phantom{\rule{0ex}{0ex}}=\phantom{\rule{0ex}{0ex}}0.71\ifmmode\pm\else\textpm\fi{}0.22\ifmmode\pm\else\textpm\fi{}0.07,$ and the form-factor slope ${\ensuremath{\rho}}_{{A}_{1}}^{2}\phantom{\rule{0ex}{0ex}}=\phantom{\rule{0ex}{0ex}}0.91\ifmmode\pm\else\textpm\fi{}0.15\ifmmode\pm\else\textpm\fi{}0.06,$ which is closely related to the slope of the Isgur-Wise function. The form-factor ratios are consistent with predicted corrections to the heavy-quark symmetry limit ${R}_{1}{\phantom{\rule{0ex}{0ex}}=\phantom{\rule{0ex}{0ex}}R}_{2}\phantom{\rule{0ex}{0ex}}=\phantom{\rule{0ex}{0ex}}1$.
Published: 1996
Full Text: View/download PDF

66. Measurements of B→Ds+X decays

Author: K. Honscheid, D. Gibaut, Z. Ling, C. M. Korte, C. D. Jones, M. Dickson, H. Yamamoto, T. Lee, D. He, D. L. Kreinick, I. P.J. Shipsey, B. E. Berger, A. Soffer, C. Qiao, J. K. Nelson, T. E. Browder, D. S. Crowcroft, D. B. MacFarlane, A. J. Weinstein, R. Mountain, M.A. Palmer, M. Goldberg, H. N. Nelson, S. Nakanishi, E. H. Thorndike, E. Gerndt, K. W. Edwards, S. Roberts, Z. Egyed, Marina Artuso, G. Crawford, Ruifang Wang, J. S. Miller, T. Bergfeld, M. Gao, V. Fadeyev, D. M. Coffman, Maurice Garcia-Sciveres, D. Riley, B. K. Heltsley, D. Coppage, J. P. Alexander, J. J. Thaler, D. Payne, B. Nemati, H. A. Cho, B. Gittelman, Y. Kwon, C. R. Sun, J. Masui, H. P. Paar, B. Spaan, R. Fulton, Jungil Lee, D. M. Asner, D. Z. Besson, W. T. Ford, John Yelton, M. Lambrecht, I. Korolkov, N. Copty, R. D. Kass, J. Fast, I. J. Kim, F. R. Wappler, Christopher G. White, H. Kagan, D. G. Cassel, H. Tajima, R. Ammar, T. E. Coan, M. Ogg, H. Severini, S. Chan, M. Momayezi, Ryszard Stroynowski, D. Cinabro, E. Nordberg, Jeffrey Richman, Vivek Jain, G. E. Gladding, R. Ehrlich, C. O'Grady, J. Bartelt, G. S. Ludwig, K. K. Gan, R. Davis, P. Rankin, R. Balest, George D Gollin, S. Patton, D. L. Hartill, R. J. Morrison, Mats A Selen, R. Poling, A. J. Sadoff, T. K. Nelson, S. L. Jones, D. Fujino, J. J. O'Neill, Sheldon Stone, C. R. Ng, Paul Avery, B. I. Eisenstein, J. Dominick, G. C. Moneti, Yurii V. Mukhin, Michael S. Witherell, T. Miao, Ha Lam, E. I. Shibata, M. Lohner, Shengfeng Yang, M. M. Zoeller, V. Savinov, A. H. Mahmood, D. F. Cowen, A. Wolf, B. C. Barish, G. Masek, Juliet Ritchie Patterson, Yoram Rozen, P. S. Drell, S. Sanghera, R. Elia, Yuichi Kubota, Jorge Luis Rodriguez, M. Saulnier, Pu Wang, N. Hancock, J. Ernst, Philip Baringer, J. Urheim, Richard Wilson, Xiangjun Xing, G. Zhu, T. Skwarnicki, P. C. Kim, J. Gronberg, G. Wei, Alain Bellerive, K. W. McLean, N. Horwitz, M. Chadha, P. M. Patel, K. Lingel, D. J. Dumas, Karl Berkelman, L. Gibbons, Anders Ryd, M. Athanas, S. Kotov, R. Janicek, S. E. Csorna, K. Kinoshita, G. W. Brandenburg, D. H. Miller, P. Gaidarev, X. Fu, T. Liu, C. Bebek, Harold S. Park, A. P. Freyberger, Alice Bean, M. Sung, D. Roberts, R. Kutschke, M. S. Alam, Daniel W. Bliss, Kenneth Bloom, E. R.F. Hyatt, M. Lattery, N. Katayama, N. Kwak, G. Eigen, Frank Würthwein, K. Cho, M. Bishai, W. S. Brower, N. B. Mistry, S. Menary, Dave Britton, P. Pomianowski, J. Mevissen, R. L. McIlwain, J. Kandaswamy, V. Shelkov, S. Schrenk, F. Muheim, D. Peterson, Ilya Kravchenko, W. R. Ross, Michael Wood, I. Volobouev, J. W. Hinson, S. Playfer, M. Modesitt, Yanwen Liu, J. G. Smith, M. L. Kelly, S. W. Gray, P. Skubic, and Shawn W. Henderson
Subjects: Systematic error, Physics, Combinatorics, Statistics::Theory, Nuclear and High Energy Physics, Particle physics, Statistics::Applications, Branching fraction, Electron–positron annihilation, High Energy Physics::Experiment
Abstract: This paper describes new measurements from CLEO of the inclusive B\ensuremath{\rightarrow}${\mathit{D}}_{\mathit{s}}^{+}$X branching fraction as well as the ${\mathit{B}}^{+}$\ensuremath{\rightarrow}${\mathit{D}}_{\mathit{s}}^{(\mathrm{*})+}$D${\mathrm{\ifmmode\bar\else\textasciimacron\fi{}}}^{(\mathrm{*})0}$ and ${\mathit{B}}^{0}$\ensuremath{\rightarrow}${\mathit{D}}_{\mathit{s}}^{(\mathrm{*})+}$${\mathit{D}}^{(\mathrm{*})\mathrm{\ensuremath{-}}}$ branching fractions. The inclusive branching fraction is B(B\ensuremath{\rightarrow}${\mathit{D}}_{\mathit{s}}^{+}$X)=(12.11\ifmmode\pm\else\textpm\fi{}0.39\ifmmode\pm\else\textpm\fi{}0.88\ifmmode\pm\else\textpm\fi{}1.38)% where the first error is statistical, the second is the systematic error, and the third is the error due to the uncertainty in the ${\mathit{D}}_{\mathit{s}}^{+}$\ensuremath{\rightarrow}\ensuremath{\varphi}${\mathrm{\ensuremath{\pi}}}^{+}$ branching fraction. The branching fractions for the B\ensuremath{\rightarrow}${\mathit{D}}_{\mathit{s}}^{(\mathrm{*})+}$D${\mathrm{\ifmmode\bar\else\textasciimacron\fi{}}}^{(\mathrm{*})}$ modes are found to be between 0.9% and 2.4% and are significantly more precise than previous measurements. The sum of the B\ensuremath{\rightarrow}${\mathit{D}}_{\mathit{s}}^{(\mathrm{*})+}$D${\mathrm{\ifmmode\bar\else\textasciimacron\fi{}}}^{(\mathrm{*})}$ branching fractions is consistent with the results of fits to the inclusive ${\mathit{D}}_{\mathit{s}}^{+}$ momentum spectrum. Factorization is used to arrive at a value for ${\mathit{f}}_{{\mathit{D}}_{\mathit{s}}}$, the ${\mathit{D}}_{\mathit{s}}^{+}$ decay constant. \textcopyright{} 1996 The American Physical Society.
Published: 1996
Full Text: View/download PDF

67. Limits on Flavor Changing Neutral Currents inD0Meson Decays

Author: W. R. Ross, W. S. Brower, Kenneth Bloom, I. Volobouev, E. Gerndt, I. Korolkov, D. Fujino, R. A. Briere, D. G. Cassel, N. Copty, P. Pomianowski, J. J. O'Neill, N. Katayama, H. Yamamoto, S. Nakanishi, E. H. Thorndike, M. Dickson, D. Coppage, C. Qiao, J. P. Alexander, G. Eigen, C. Ward, M. Lohner, T. Liu, Ilya Kravchenko, Jungil Lee, Yurii V. Mukhin, Michael Wood, C. Bebek, T. Bergfeld, J. Gronberg, S.C. Timm, N. Horwitz, T. K. Nelson, J. Masui, H. Kagan, B. Spaan, R. Davis, J. W. Hinson, S. Playfer, Richard Wilson, George D Gollin, M. Chadha, T. Miao, J. Mevissen, V. Savinov, J. Kandaswamy, P. S. Drell, S. Kotov, R. Elia, Y. Kwon, D. Z. Besson, C. R. Sun, W. T. Ford, M. Modesitt, Vivek Jain, Z. Ling, R. D. Kass, K. Lingel, M. M. Zoeller, R. Janicek, N. Kwak, M. Saulnier, P. C. Kim, R. Ammar, R. Balest, J. Ernst, M. Bishai, Ian Shipsey, D. He, M. Yurko, S. F. Schaffner, R. Greene, B. I. Eisenstein, D. Peterson, K. Honscheid, D. Cinabro, K. K. Gan, C.Y. Prescott, T. E. Coan, H. Severini, S. Chan, B. Nemati, H. Marsiske, R. J. Morrison, Mats A Selen, B. Gittelman, D. Riley, C. M. Korte, A. Wolf, S. Schrenk, Yanwen Liu, D. M. Asner, J. G. Smith, C. P. Jessop, A. J. Sadoff, S. Menary, Dave Britton, D. H. Miller, D. Gibaut, J. Bartelt, I. J. Kim, F. R. Wappler, D. B. MacFarlane, A. J. Weinstein, Tomasz Skwarnicki, Sheldon Stone, A. Soffer, A. Freyberger, Philip Baringer, S. Anderson, Paul Avery, T. Lee, M. Schmidtler, J. K. Nelson, J. J. Thaler, C. O'Grady, R. Wang, S. D. Johnson, Harold S. Park, S. Sanghera, H. N. Nelson, G. C. Moneti, Alice Bean, H. Tajima, V. Fadeyev, D. J. Dumas, D. S. Crowcroft, V. Shelkov, J. L. Rodriguez, N. Hancock, Karl Berkelman, B. C. Barish, A. Efimov, P. Gaidarev, X. Fu, M. L. Perl, Frank Würthwein, Xiangjun Xing, K. Cho, F. Li, C. D. Jones, S. J. Richichi, Yuichi Kubota, R. Mountain, R. Kutschke, J. E. Duboscq, K. W. Edwards, A. Undrus, E. I. Shibata, P. Skubic, T. Riehle, L. Gibbons, N. B. Mistry, B. E. Berger, J. Urheim, Anders Ryd, M. Athanas, Alain Bellerive, Sacha E Kopp, M. Goldberg, P. M. Patel, S. W. Gray, M. Gao, Marina Artuso, Sz Márka, D. W. Bliss, M. S. Alam, R. Wanke, M. Ogg, R. Ehrlich, M.A. Palmer, H. P. Paar, M. Lattery, R. Fulton, Pu Wang, S. L. Jones, S. E. Csorna, J. Fast, J. Dominick, Christopher G. White, K. Kinoshita, J. S. Miller, John Yelton, M. Lambrecht, G. W. Brandenburg, E. Nordberg, Jeffrey Richman, M. Sung, D. Roberts, G. S. Ludwig, A. H. Mahmood, J. Roy, K. W. McLean, Ryszard Stroynowski, P. Rankin, Shengfeng Yang, D. M. Coffman, B. K. Heltsley, D. L. Kreinick, T. E. Browder, S. Roberts, G. E. Gladding, S. Patton, G. Wei, G. Masek, Juliet Ritchie Patterson, H. A. Cho, D. L. Hartill, R. Poling, C. R. Ng, and Michael S. Witherell
Subjects: Nuclear physics, Physics, Particle physics, Pair production, Meson, Branching fraction, Electron–positron annihilation, Mass spectrum, General Physics and Astronomy, Cornell Electron Storage Ring, Order of magnitude, Lepton
Abstract: Using the CLEO II detector at the Cornell Electron Storage Ring, we have searched for flavor changing neutral currents and lepton family number violations in D^0 meson decays. The upper limits on the branching fractions for D^0→l^+l^- and D^0→X^0l^+l^- are in the range 10^(-5) to 10^(-4), where X^0 can be a π^0, K_s^0, η, ρ^0, ω, K^(*0), or φ meson, and the l^+l^- pair can be e^+e^-, μ^+μ^-, or e^±μ^∓. Although these limits are above the theoretical predictions, most are new or an order of magnitude lower than previous limits.
Published: 1996
Full Text: View/download PDF

68. A measurement of

Author: D. He, R. Ammar, Sheldon Stone, T. E. Coan, H. Severini, S. Chan, T. Riehle, V. Savinov, C. O'Grady, J. Urheim, Paul Avery, P. Skubic, M. Yurko, A. Freyberger, R. Wang, S. W. Gray, Philip Baringer, Xiangjun Xing, D. M. Coffman, M. Gao, T. Liu, T. K. Nelson, B. K. Heltsley, R. Ehrlich, G. D. Gollin, Alain Bellerive, C. Bebek, D. Fujino, J. J. O'Neill, B. C. Barish, H. Marsiske, K. W. McLean, M. M. Zoeller, A. H. Mahmood, S. L. Jones, Y. Kwon, D. Z. Besson, K. K. Gan, R. Fulton, D. H. Miller, P. M. Patel, Pu Wang, T. Miao, J. Dominick, W. R. Ross, P. Pomianowski, D. L. Kreinick, Yurii V. Mukhin, D. Gibaut, S. Nakanishi, E. H. Thorndike, M. Athanas, D. Riley, Sacha E Kopp, D. M. Asner, V. Fadeyev, C. Ward, J. Gronberg, M. S. Alam, R. Wanke, Ilya Kravchenko, T. E. Browder, I. Volobouev, J. Roy, C. D. Jones, Harold S. Park, P. Gaidarev, D. Coppage, A. Wolf, J. P. Alexander, Michael Wood, J. Bartelt, Alice Bean, S.C. Timm, G. Wei, Ryszard Stroynowski, J. S. Miller, S. Roberts, J. W. Hinson, J. J. Thaler, M. Modesitt, B. E. Berger, Z. Ling, X. Fu, S. Sanghera, M. L. Perl, N. Horwitz, M. Chadha, P. Rankin, R. Kutschke, I. P.J. Shipsey, M. Goldberg, Yuichi Kubota, S. F. Schaffner, R. Greene, M. Lattery, N. Hancock, R. Davis, J. Mevissen, H. Yamamoto, J. Kandaswamy, E. Nordberg, Jeffrey Richman, G. S. Ludwig, Marina Artuso, Richard Wilson, G. C. Moneti, C. R. Sun, W. T. Ford, R. D. Kass, J. Fast, M. Ogg, Juliet Ritchie Patterson, G. Masek, J. Masui, B. Spaan, S. Schrenk, Yanwen Liu, J. G. Smith, C. P. Jessop, S. D. Johnson, G. E. Gladding, S. Patton, R. Balest, E. I. Shibata, T. Bergfeld, A. Undrus, P. C. Kim, R. A. Briere, H. Tajima, Christopher G. White, M. Dickson, Vivek Jain, D. Peterson, M.A. Palmer, C. Qiao, M. Sung, Shengfeng Yang, D. Roberts, H. A. Cho, C.Y. Prescott, P. J. Lee, S. E. Csorna, D. L. Hartill, S. Playfer, D. J. Dumas, D. B. MacFarlane, A. J. Weinstein, Tomasz Skwarnicki, R. Poling, C. R. Ng, S. Kotov, H. N. Nelson, K. Kinoshita, G. W. Brandenburg, D. W. Bliss, Karl Berkelman, Michael S. Witherell, A. Efimov, S. J. Richichi, W. S. Brower, R. Janicek, L. Gibbons, N. Kwak, Anders Ryd, M. Bishai, Sz Márka, H. P. Paar, E. Gerndt, Kenneth Bloom, K. W. Edwards, J. L. Rodriguez, F. Li, N. Katayama, Frank Würthwein, S. Menary, G. Eigen, Dave Britton, K. Cho, N. B. Mistry, V. Shelkov, P. S. Drell, R. Elia, K. Lingel, M. Saulnier, J. Ernst, D. Cinabro, B. Nemati, B. Gittelman, I. J. Kim, F. R. Wappler, H. Kagan, M. Lohner, R. J. Morrison, Mats A Selen, A. J. Sadoff, A. Soffer, S. Anderson, D. S. Crowcroft, John Yelton, M. Lambrecht, K. Honscheid, C. M. Korte, J. E. Duboscq, T. Lee, M. Schmidtler, I. Korolkov, N. Copty, J. K. Nelson, R. Mountain, D. G. Cassel, and B. I. Eisenstein
Subjects: Nuclear physics, Physics, Nuclear and High Energy Physics, Analytical chemistry, Cornell Electron Storage Ring
Abstract: Using a sample of 3.1 fb−1 integrated luminosity accumulated with the CLEO II detector at the Cornell Electron Storage Ring, we measure the ratio of branching fractions β(D 0 → K − π + π 0 ) β(D 0 → K − gp + ) = 3.81 ± 0.07 ± 0.26 , the most precise determination of this quantity to date.
Published: 1996
Full Text: View/download PDF

69. Observation of new decay modes of the charmed-strange baryon Ξc+

Author: C. Bebek, A. P. Freyberger, J. S. Miller, M. Modesitt, D. He, E. I. Shibata, R. Davis, D. Riley, M. Lohner, S. Schrenk, T. E. Browder, Yanwen Liu, J. G. Smith, S. Nakanishi, F. Muheim, E. H. Thorndike, J. Roy, Harold S. Park, Alice Bean, R. Kutschke, Ryszard Stroynowski, S. D. Johnson, D. M. Asner, M.A. Palmer, S. Kotov, R. Janicek, D. H. Miller, D. Coppage, J. P. Alexander, Jungil Lee, P. Rankin, R. Ehrlich, P. Gaidarev, I. Korolkov, Z. Ling, N. Copty, J. Bartelt, P. S. Drell, D. J. Dumas, Kenneth Bloom, T. Riehle, M. Ogg, N. Katayama, X. Fu, G. Eigen, I. P.J. Shipsey, R. Elia, Jorge Luis Rodriguez, M. Saulnier, S. L. Jones, S. Playfer, Y. Kwon, Karl Berkelman, P. Skubic, J. Ernst, J. Dominick, S. W. Gray, L. Gibbons, D. Gibaut, C. Ward, Yuichi Kubota, D. Z. Besson, D. G. Cassel, B. Nemati, B. Gittelman, Shengfeng Yang, T. Miao, J. Gronberg, S.C. Timm, N. Horwitz, M. Chadha, V. Savinov, A. H. Mahmood, W. S. Brower, M. Gao, M. Sung, D. Roberts, D. F. Cowen, H. P. Paar, R. Fulton, P. Pomianowski, D. M. Coffman, Frank Würthwein, K. Cho, RM Patel, J. D. Richman, Shawn W. Henderson, Richard Wilson, V. Fadeyev, N. B. Mistry, M. Dickson, John Yelton, M. Lambrecht, B. K. Heltsley, K. Honscheid, J. Fast, H. Tajima, Sacha E Kopp, Philip Baringer, Ilya Kravchenko, Michael Wood, R. Ammar, C. M. Korte, B. I. Eisenstein, M. S. Alam, R. Wanke, I. J. Kim, T. Lee, H. Kagan, G. D. Gollin, Christopher G. White, J. K. Nelson, E. Nordberg, Xiangjun Xing, B. C. Barish, J. Masui, J. W. Hinson, B. Spaan, S. E. Csorna, W. R. Ross, J. E. Duboscq, D. Fujino, G. S. Ludwig, J. J. Thaler, R. Mountain, D. L. Kreinick, Anders Ryd, M. Athanas, Marina Artuso, H. Severini, S. Chan, E. Gerndt, Sz Márka, K. W. Edwards, C. O'Grady, E. R.F. Hyatt, M. Lattery, H. Yamamoto, J. J. O'Neill, T. E. Coan, D. B. MacFarlane, A. J. Weinstein, C. Qiao, I. Volobouev, R. J. Morrison, S. Roberts, N. Kwak, Mats A Selen, M. Bishai, A. J. Sadoff, Yurii V. Mukhin, Vivek Jain, Ruifang Wang, Tomasz Skwarnicki, H. N. Nelson, T. Bergfeld, K. Kinoshita, G. W. Brandenburg, D. L. Hartill, A. Soffer, Sheldon Stone, S. Menary, D. Cinabro, G. E. Gladding, Paul Avery, S. Patton, D. S. Crowcroft, V. Shelkov, C.Y. Prescott, Alain Bellerive, C. D. Jones, J. Mevissen, Pu Wang, K. W. McLean, J. Kandaswamy, B. E. Berger, F. R. Wappler, C. R. Sun, W. T. Ford, G. Crawford, R. D. Kass, R. Balest, D. Peterson, K. Lingel, G. Wei, H. A. Cho, K. K. Gan, R. Poling, P. C. Kim, M. Goldberg, G. C. Moneti, C. R. Ng, T. K. Nelson, Michael S. Witherell, D. W. Bliss, M. M. Zoeller, A. Wolf, G. Masek, Juliet Ritchie Patterson, D. L. Britton, S. Sanghera, N. Hancock, J. Urheim, and T. Liu
Subjects: Nuclear physics, Baryon, Physics, Nuclear and High Energy Physics, Electron–positron annihilation, Mass spectrum, Cornell Electron Storage Ring, Branching (polymer chemistry)
Abstract: Using the CLEO II detector operating at the e + e − Cornell Electron Storage Ring (CESR), we present evidence for new decay modes of the Ξ c + into Ξ 0 π + , Ξ 0 π + π 0 , and Ξ 0 π + π − π + . The branching ratios of these decay modes, relative to Ξ c + → Ξ − π + π + , have been measured to be 0.55±0.13±0.09, 2.34±0.57±0.37, and 1.74±0.42±0.27, respectively.
Published: 1996
Full Text: View/download PDF

70. Measurement of theBSemileptonic Branching Fraction with Lepton Tags

Author: T. Miao, J. Urheim, D. G. Cassel, J. Masui, B. Spaan, N. Kwak, R. Ammar, T. E. Coan, M. Bishai, H. Severini, S. Chan, D. Cinabro, C. O'Grady, P. Baringer, G. E. Gladding, S. Patton, W. R. Ross, T. Liu, Richard Wilson, Shawn W. Henderson, J. J. Thaler, D. Gibaut, K. Honscheid, M. Gao, C. Bebek, S. Kotov, C. M. Korte, V. Savinov, M. Dickson, S. Menary, T. Riehle, Vivek Jain, H. P. Paar, R. Fulton, J. E. Duboscq, K. W. Edwards, M. Lohner, David Zeke Besson, I. Volobouev, B. I. Eisenstein, Anders Ryd, M. Athanas, Sz Márka, Dave Britton, G. C. Moneti, M. Ogg, D. L. Kreinick, C. Qiao, J. Fast, T. Lee, Christopher G. White, S. E. Csorna, K. Kinoshita, G. W. Brandenburg, A. P. Freyberger, Y. Kwon, R. Janicek, B. Nemati, H. Yamamoto, J. K. Nelson, V. Shelkov, B. Gittelman, I. Korolkov, E. I. Shibata, Xiangjun Xing, N. Copty, D. W. Bliss, Ryszard Stroynowski, Sheldon Stone, Z. Ling, S. W. Gray, K. K. Gan, S. Nakanishi, E. H. Thorndike, S. Roberts, Alain Bellerive, I. J. Kim, F. R. Wappler, R. Mountain, E. Gerndt, Paul Avery, J. Gronberg, John Yelton, M. Lambrecht, P. Rankin, Sacha E Kopp, D. He, S.C. Timm, N. Horwitz, W. S. Brower, I. P.J. Shipsey, M. S. Alam, E. Nordberg, Jeffrey Richman, M. Chadha, J. S. Miller, P. M. Patel, Marina Artuso, K. Lingel, Jungil Lee, T. K. Nelson, D. Coppage, C. D. Jones, P. Pomianowski, T. E. Browder, A. Soffer, J. P. Alexander, G. S. Ludwig, D. Riley, M. Sung, R. Davis, Ruifang Wang, D. M. Asner, D. Roberts, Ilya Kravchenko, Harold S. Park, Michael Wood, D. M. Coffman, E. R.F. Hyatt, D. S. Crowcroft, B. E. Berger, P. S. Drell, M. Lattery, T. Bergfeld, J. Bartelt, R. Elia, B. K. Heltsley, M. M. Zoeller, Jorge Luis Rodriguez, J. W. Hinson, G. D. Gollin, R. Kutschke, D. J. Dumas, M. Saulnier, Frank Würthwein, Harris Kagan, A. Wolf, M. Modesitt, F. Muheim, M. Goldberg, J. Ernst, R. Ehrlich, K. Cho, D. H. Miller, S. Sanghera, A. H. Mahmood, Alice Bean, Karl Berkelman, Shengfeng Yang, Yuichi Kubota, C.Y. Prescott, N. B. Mistry, S. L. Jones, T. Skwarnicki, P. Gaidarev, X. Fu, G. Masek, J. Dominick, L. Gibbons, V. Fadeyev, J. Mevissen, S. Schrenk, Kenneth Bloom, Yanwen Liu, J. G. Smith, N. Hancock, K. W. McLean, P. C. Kim, P. Skubic, J. Kandaswamy, Juliet Ritchie Patterson, N. Katayama, S. D. Johnson, S. Playfer, D. B. MacFarlane, A. J. Weinstein, Pu Wang, G. Eigen, H. N. Nelson, H. Tajima, M.A. Palmer, R. J. Morrison, Mats A Selen, D. Peterson, A. J. Sadoff, C. R. Sun, D. Fujino, W. T. Ford, R. D. Kass, B. C. Barish, J. J. O'Neill, R. Balest, Yurii V. Mukhin, H. A. Cho, D. L. Hartill, R. Poling, C. R. Ng, Michael S. Witherell, and G. Wei
Subjects: Physics, Particle physics, Branching fraction, Electron–positron annihilation, High Energy Physics::Phenomenology, General Physics and Astronomy, Charge (physics), Electron, Measure (mathematics), Nuclear physics, Momentum, High Energy Physics::Experiment, Fraction (mathematics), Lepton
Abstract: We have used the CLEO II detector and 2.06fb^(-1) of ϒ(4S) data to measure the B-meson semileptonic branching fraction. The B→Xeν momentum spectrum was obtained over nearly the full momentum range by using charge and kinematic correlations in events with a high-momentum lepton tag and an additional electron. We find B(B→Xeν) = (10.49±0.17±0.43)%, with overall systematic uncertainties less than those of untagged single-lepton measurements. We use this result to calculate the magnitude of the Cabibbo-Kobayashi-Maskawa matrix element V_(cb) and to set an upper limit on the fraction of ϒ(4S) decays to final states other than BB .
Published: 1996
Full Text: View/download PDF

71. The Cherenkov correlated timing detector: beam test results from quartz and acrylic bars

Author: Mats A Selen, T. Bergfeld, K. Honscheid, C. Lu, G. S. Varner, K. Ueno, G. Rudnick, S. Hayashi, H. Yamaguchi, A. Kimura, Y. Sugaya, V. Boyer, M.A. Palmer, S. Kanda, M. Asai, C. R. Mindas, Koji Yoshimura, N. Tamura, J. Bialek, J. Lorenc, Daniel Robert Marlow, E.J. Prebys, Stephen L. Olsen, Y. Yoshimura, T. Auran, and H. Kichimi
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Physics::Instrumentation and Detectors, business.industry, Bar (music), Astrophysics::High Energy Astrophysical Phenomena, Resolution (electron density), Detector, Astrophysics::Instrumentation and Methods for Astrophysics, FOS: Physical sciences, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), Optics, Test beam, Physics::Accelerator Physics, High Energy Physics::Experiment, business, Instrumentation, Quartz, Cherenkov radiation, Beam (structure)
Abstract: Several prototypes of a Cherenkov Correlated Timing (CCT) Detector have been tested at the KEK-PS test beam line. We describe the results for Cherenkov light yields and timing characteristics from quartz and acrylic bar prototypes. A Cherenkov angle resolution is found to be 15 mrad at a propagation distance of 100 cm with a 2 cm thick quartz bar prototype., Presented at the RICH95 workshop, Uppsala, Sweden, June/95. H. Kichimi corresponding author. 5 pages with 9 figures. LaTex source files and postscript figures compressed and uuencoded below
Published: 1996
Full Text: View/download PDF

72. Search for the DecayK+→π+νν¯

Author: I. H. Chiang, L. S. Littenberg, S. S. Adler, M. S. Atiya, D. S. Akerib, A. S. Turcot, R. Soluk, K. K. Li, Douglas Bryman, A. Sambamurti, Mats A Selen, A. Stevens, L. Felawka, T. Numao, C. Witzig, Y. Kuno, V. A. Kujala, Robert McPherson, M. M. Ito, M. R. Convery, J. S. Haggerty, T. Nakano, Ewart W. Blackmore, P. Kitching, Daniel Robert Marlow, F. C. Shoemaker, R. C. Strand, A. Konaka, M. Ardebili, R. Poutissou, J. M. Poutissou, T. F. Kycia, A. J.S. Smith, James Frank, W. C. Louis, J. A. Macdonald, P. Padley, J. Roy, and P. D. Meyers
Subjects: Physics, Particle physics, Pion, Overline, Branching fraction, Nuclear Theory, High Energy Physics::Phenomenology, Pi, General Physics and Astronomy, High Energy Physics::Experiment, Limit (mathematics), Nuclear Experiment
Abstract: An upper limit on the branching ratio for the decay $K^+ \! \rightarrow \! \pi^+ \nu \overline{\nu}$ is set at $2.4 \times 10^{-9}$ at the 90\% C.L. using pions in the kinematic region $214~{\rm MeV}/c 0$.
Published: 1996
Full Text: View/download PDF

73. Study of B → ψϱ

Author: T. Lee, M. Schmidtler, J. K. Nelson, S. Schrenk, Yanwen Liu, J. G. Smith, C. P. Jessop, S. D. Johnson, S. Nakanishi, E. H. Thorndike, Jungil Lee, R. Mountain, D. Coppage, Sheldon Stone, Paul Avery, T. Liu, C. Bebek, A. Freyberger, J. Masui, B. Spaan, D. G. Cassel, T. Riehle, M. M. Zoeller, D. Fujino, M. Ogg, G. Masek, C. R. Sun, W. T. Ford, R. D. Kass, D. Riley, R. Balest, Vivek Jain, E. Gerndt, N. Kwak, M. Bishai, Juliet Ritchie Patterson, D. J. Dumas, J. J. O'Neill, W. R. Ross, K. W. Edwards, K. K. Gan, D. M. Asner, S. W. Gray, P. Gaidarev, Yurii V. Mukhin, T. Miao, D. Cinabro, Karl Berkelman, X. Fu, W. S. Brower, J. S. Miller, D. W. Bliss, A. Efimov, B. I. Eisenstein, I. Volobouev, J. Roy, C. M. Korte, J. Bartelt, Ryszard Stroynowski, H. Marsiske, P. Pomianowski, T. K. Nelson, B. Nemati, T. Bergfeld, J. E. Duboscq, L. Gibbons, R. Ammar, M. Dickson, R. J. Morrison, Mats A Selen, R. A. Briere, S. Menary, Dave Britton, I. Korolkov, C. Ward, P. Rankin, T. E. Coan, B. Gittelman, A. J. Sadoff, D. Gibaut, C. Qiao, N. Copty, R. Davis, P. C. Kim, Ilya Kravchenko, Z. Ling, V. Shelkov, J. Gronberg, Michael Wood, Harold S. Park, M. L. Perl, J. Mevissen, J. W. Hinson, J. Kandaswamy, K. Kinoshita, Yuichi Kubota, S. F. Schaffner, David Miller, B. C. Barish, Alice Bean, H. Severini, S. Chan, C. O'Grady, S.C. Timm, N. Horwitz, A. H. Mahmood, Harris Kagan, C.Y. Prescott, S. E. Csoraa, H. A. Cho, I. J. Kim, J. Urheim, F. R. Wappler, C. D. Jones, M. Chadha, Pu Wang, John Yelton, M. Lambrecht, R. Kutschke, D. Peterson, Richard Wilson, S. Playfer, D. L. Kreinick, B. E. Berger, A. Soffer, V. Fadeyev, G. C. Moneti, M. Goldberg, R. Wang, Ian Shipsey, D. He, F. Li, Kenneth Bloom, V. Savinov, H. Tajima, M. Sung, D. S. Crowcroft, D. L. Hartill, D. Roberts, R. Poling, J. J. Thaler, N. Katayama, Sacha E Kopp, M. S. Alam, E. I. Shibata, C. R. Ng, G. Eigen, Marina Artuso, R. Wanke, Shengfeng Yang, M. Lohner, Anders Ryd, J. L. Rodriguez, Michael S. Witherell, G. Brandenburg, K. Honscheic, T. E. Browder, M. Athanas, M. Lattery, Frank Würthwein, K. Cho, Sz Márka, Philip Baringer, N. B. Mistry, J. Fast, S. Kotov, Alain Bellerive, P. S. Drell, Christopher G. White, H. Yamamoto, K. W. McLean, R. Janicek, R. Elia, Xiangjun Xing, K. Lingel, M. Saulnier, J. Ernst, P. M. Patel, A. Wolf, S. Roberts, G. Wei, S. Sanghera, R. Ehrlich, N. Hancock, M.A. Palmer, S. L. Jones, J. P. Alexander, M. Gao, P. Skubic, J. Dominick, H. P. Paar, R. Fulton, Y. Kwon, D. M. Coffman, D. Z. Besson, E. Nordberg, Jeffrey Richman, B. K. Heltsley, G. S. Ludwig, D. B. MacFarlane, A. J. Weinstein, G. D. Gollin, Tomasz Skwarnicki, H. N. Nelson, S. J. Richichi, G. E. Gladding, S. Patton, A. Undrus, and M. Modesitt
Subjects: Physics, Nuclear physics, Nuclear and High Energy Physics, Nuclear magnetic resonance, Branching fraction, Branching (polymer chemistry)
Abstract: We have studied the Cabibbo suppressed and color suppressed two-body decays B to ψϱ (ψω or ψa 1 ). Using a data sample of 5.12 million B decays collected with the CLEO II detector we find the 90% confidence level upper limits for branching fractions of B 0 → ψϱ 0 and B 0 → ψω to be 2.5 · 10 −4 and 2.7 · 10 −4 , respectively. We also update the branching fraction B − → ψπ − to be (5.6 ± 2.7) · 10 −5 .
Published: 1996
Full Text: View/download PDF

74. Observation of the Cabibbo-suppressed charmed baryon decayΛc+→pφ

Author: M. Gao, Pu Wang, Jungil Lee, D. Cinabro, G. C. Moneti, D. He, E. I. Shibata, J. J. Thaler, H. P. Paar, R. Fulton, G. E. Gladding, A. Soffer, S. Patton, T. E. Browder, B. Nemati, Ron Poling, T. Liu, C. Bebek, Z. Ling, I. P.J. Shipsey, T. Lee, B. Gittelman, D. S. Crowcroft, Anders Ryd, M. Athanas, A. P. Freyberger, G. Wei, C. D. Jones, M. Momayezi, Richard Wilson, I. J. Kim, F. R. Wappler, V. Savinov, Sz Márka, T. K. Nelson, G. Masek, J. K. Nelson, Juliet Ritchie Patterson, N. Kwak, M. Bishai, S. E. Csorna, E. Nordberg, Jeffrey Richman, Shengfeng Yang, B. E. Berger, Frank Würthwein, K. Cho, M. Goldberg, G. S. Ludwig, T. Miao, N. B. Mistry, M. M. Zoeller, P. Skubic, Philip Baringer, K. Honscheid, D. L. Kreinick, R. Mountain, J. Mevissen, A. Wolf, H. Tajima, Sheldon Stone, Y. Kwon, G. Crawford, C. M. Korte, P. S. Drell, R. Elia, Jorge Luis Rodriguez, R. Ammar, J. Kandaswamy, Xiangjun Xing, K. Kinoshita, Shawn W. Henderson, H. A. Cho, D. Gibaut, T. E. Coan, S. W. Gray, D. Fujino, D. Riley, D. M. Asner, M. Saulnier, J. Ernst, S. Sanghera, D. Z. Besson, Paul Avery, G. W. Brandenburg, H. Severini, S. Chan, J. J. O'Neill, D. F. Cowen, D. G. Cassel, Harold S. Park, J. Fast, M. Modesitt, M. Dickson, N. Hancock, D. L. Hartill, J. S. Miller, C. O'Grady, C. R. Ng, Christopher G. White, J. Bartelt, Yurii V. Mukhin, D. Peterson, S. Menary, D. J. Dumas, Michael S. Witherell, Alice Bean, A. H. Mahmood, S. Roberts, J. Urheim, I. Korolkov, Dave Britton, K. K. Gan, N. Copty, C. Qiao, Karl Berkelman, B. C. Barish, Yanwen Liu, John Yelton, M. Lambrecht, M. Lohner, J. G. Smith, J. Masui, B. Spaan, E. Gerndt, K. W. Edwards, S. D. Johnson, L. Gibbons, W. R. Ross, S. Nakanishi, R. Kutschke, E. H. Thorndike, M. Sung, H. Kagan, J. Gronberg, T. Skwarnicki, R. Ehrlich, D. Roberts, B. I. Eisenstein, N. Horwitz, Vivek Jain, Marina Artuso, W. S. Brower, V. Shelkov, S. Schrenk, Yuichi Kubota, M. Chadha, R. Davis, I. Volobouev, D. M. Coffman, D. Coppage, Ryszard Stroynowski, P. C. Kim, B. K. Heltsley, J. P. Alexander, Ruifang Wang, P. Pomianowski, D. H. Miller, T. Bergfeld, G. D. Gollin, Maurice Garcia-Sciveres, P. Gaidarev, M. Ogg, Alain Bellerive, P. Rankin, X. Fu, Ilya Kravchenko, Michael Wood, K. W. McLean, C.Y. Prescott, J. W. Hinson, P. M. Patel, Kenneth Bloom, K. Lingel, Sacha E Kopp, R. J. Morrison, Mats A Selen, M. S. Alam, N. Katayama, A. J. Sadoff, D. W. Bliss, C. R. Sun, W. T. Ford, G. Eigen, R. D. Kass, R. Balest, E. R.F. Hyatt, M. Lattery, S. Kotov, R. Janicek, F. Muheim, S. Playfer, D. B. MacFarlane, A. J. Weinstein, H. N. Nelson, H. Yamamoto, S. L. Jones, J. Dominick, V. Fadeyev, and M.A. Palmer
Subjects: Physics, Baryon, Nuclear and High Energy Physics, Particle physics, Branching fraction, TheoryofComputation_ANALYSISOFALGORITHMSANDPROBLEMCOMPLEXITY, Electron–positron annihilation, Lambda
Abstract: We report the observation of the Cabibbo-suppressed decays {Lambda}{sub {ital c}}{sup +}{r_arrow}{ital pK{sup {minus}}K{sup +}} and {Lambda}{sub {ital c}}{sup +}{r_arrow}{ital p}{phi} using data collected with the CLEO II detector at CESR. The latter mode, observed for the first time with significant statistics, is of interest as a test of color suppression in charm decays. We have determined the branching ratios for these modes relative to {Lambda}{sub {ital c}}{sup +}{r_arrow}{ital pK{sup {minus}}}{pi}{sup +} and compared our results with theory. {copyright} {ital 1996 The American Physical Society.}
Published: 1996
Full Text: View/download PDF

75. Updated measurement of the strong phase inD0→K+π−decay using quantum correlations ine+e−→D0D¯0at CLEO

Author: S. Mehrabyan, P. Rubin, J. Libby, D. Z. Besson, Ian Shipsey, John Yelton, J. Hietala, D. G. Cassel, Ting Xiao, Juliet Ritchie Patterson, D. L. Hartill, A. Lincoln, D. Peterson, P. U. E. Onyisi, E. White, R. Ehrlich, Kamal K. Seth, A. Powell, G. Tatishvili, Werner Sun, Amiran Tomaradze, S. Blusk, D. Cronin-Hennessy, Mark Smith, Jing Wang, Lei Zhang, G. Wilkinson, Souvik Das, Peng Zhou, J. Napolitano, D. L. Kreinick, H. Muramatsu, Q. He, A. J. Sadoff, N. Lowrey, D. H. Miller, Hans J. Vogel, Xin Shi, D. Cinabro, K. W. Edwards, R. Mountain, David M. Asner, Anders Ryd, Jonas Rademacker, Sheldon Stone, M. Kornicer, Z. Metreveli, C. Thomas, V. E. Kuznetsov, G. S. Adams, Mats A Selen, N. Horwitz, Sean A Dobbs, Karl Matthew Ecklund, D. Riley, B. Xin, S. Stroiney, Jonathan L. Rosner, Tomasz Skwarnicki, E. H. Thorndike, G. Bonvicini, J. P. Alexander, J. Y. Ge, James E Wiss, R. E. Mitchell, L. J. Pearson, T. K. Pedlar, J. Insler, L. K. Gibbons, Marina Artuso, S. W. Gray, R. A. Briere, and P. Naik
Subjects: Physics, Combinatorics, Nuclear and High Energy Physics, Particle physics, 010308 nuclear & particles physics, Electron–positron annihilation, Phase (matter), 0103 physical sciences, 010306 general physics, 01 natural sciences, Quantum
Abstract: We analyze a sample of $3\ifmmode\times\else\texttimes\fi{}{10}^{6}$ quantum-correlated ${D}^{0}{\overline{D}}^{0}$ pairs from $818\text{ }\text{ }{\mathrm{pb}}^{\ensuremath{-}1}$ of ${e}^{+}{e}^{\ensuremath{-}}$ collision data collected with the CLEO-c detector at ${E}_{\mathrm{cm}}=3.77\text{ }\text{ }\mathrm{GeV}$, to give an updated measurement of $\mathrm{cos} \ensuremath{\delta}$ and a first determination of $\mathrm{sin} \ensuremath{\delta}$, where $\ensuremath{\delta}$ is the relative strong phase between doubly Cabibbo-suppressed ${D}^{0}\ensuremath{\rightarrow}{K}^{+}{\ensuremath{\pi}}^{\ensuremath{-}}$ and Cabibbo-favored ${\overline{D}}^{0}\ensuremath{\rightarrow}{K}^{+}{\ensuremath{\pi}}^{\ensuremath{-}}$ decay amplitudes. With no inputs from other experiments, we find $\mathrm{cos} \ensuremath{\delta}={0.81}_{\ensuremath{-}0.18\ensuremath{-}0.05}^{+0.22+0.07}$, $\mathrm{sin} \ensuremath{\delta}=\ensuremath{-}0.01\ifmmode\pm\else\textpm\fi{}0.41\ifmmode\pm\else\textpm\fi{}0.04$, and $|\ensuremath{\delta}|=({10}_{\ensuremath{-}53\ensuremath{-}0}^{+28+13})\ifmmode^\circ\else\textdegree\fi{}$. By including external measurements of mixing parameters, we find alternative values of $\mathrm{cos} \ensuremath{\delta}={1.15}_{\ensuremath{-}0.17\ensuremath{-}0.08}^{+0.19+0.00}$, $\mathrm{sin} \ensuremath{\delta}={0.56}_{\ensuremath{-}0.31\ensuremath{-}0.20}^{+0.32+0.21}$, and $\ensuremath{\delta}=({18}_{\ensuremath{-}17}^{+11})\ifmmode^\circ\else\textdegree\fi{}$. Our results can be used to improve the world average uncertainty on the mixing parameter $y$ by approximately 10%.
Published: 2012
Full Text: View/download PDF

76. Observation of a Narrow State Decaying intoΞc+π−

Author: D. H. Miller, M. Sung, D. Roberts, P. Gaidarev, X. Fu, P. S. Drell, R. Elia, Jorge Luis Rodriguez, D. G. Cassel, M. Saulnier, S. Nakanishi, S. E. Csorna, G. Wei, J. Ernst, D. B. MacFarlane, A. J. Weinstein, W. S. Brower, E. H. Thorndike, P. Pomianowski, G. Masek, Juliet Ritchie Patterson, K. Kinoshita, G. W. Brandenburg, I. Korolkov, N. Copty, Z. Ling, Richard Wilson, H. N. Nelson, Ilya Kravchenko, Michael Wood, M. Lohner, Anders Ryd, J. Masui, T. Miao, B. Spaan, M. Athanas, J. W. Hinson, D. Coppage, J. P. Alexander, R. J. Morrison, Mats A Selen, D. Cinabro, B. I. Eisenstein, Sz Márka, J. J. Thaler, B. Nemati, M.A. Palmer, B. Gittelman, A. J. Sadoff, R. Ammar, Shawn W. Henderson, G. C. Moneti, G. E. Gladding, R. Ehrlich, M. Ogg, S. W. Gray, Shengfeng Yang, M. Gao, S. Patton, T. E. Coan, H. Severini, M. Modesitt, S. Chan, Sacha E Kopp, M. S. Alam, I. J. Kim, F. R. Wappler, J. Mevissen, D. W. Bliss, Vivek Jain, S. L. Jones, Maurice Garcia-Sciveres, M. Momayezi, K. K. Gan, Alain Bellerive, H. P. Paar, R. Fulton, D. F. Cowen, E. Gerndt, K. W. Edwards, C. O'Grady, H. Tajima, K. W. McLean, H. A. Cho, M. Dickson, J. Kandaswamy, E. I. Shibata, J. Dominick, John Yelton, M. Lambrecht, A. Soffer, D. S. Crowcroft, Ryszard Stroynowski, D. Fujino, Yanwen Liu, J. G. Smith, S. D. Johnson, P. M. Patel, D. J. Dumas, K. Honscheid, C. M. Korte, E. R.F. Hyatt, M. Lattery, D. L. Hartill, J. J. O'Neill, R. Poling, E. Nordberg, Jeffrey Richman, H. Yamamoto, K. Lingel, V. Savinov, Ian Shipsey, D. He, C. Qiao, D. Riley, P. Rankin, T. Lee, Yurii V. Mukhin, D. M. Asner, C. R. Ng, Michael S. Witherell, G. S. Ludwig, J. E. Duboscq, J. K. Nelson, F. Muheim, A. H. Mahmood, J. Bartelt, Karl Berkelman, T. E. Browder, G. Crawford, Y. Kwon, Ruifang Wang, A. Wolf, D. Z. Besson, R. Mountain, D. L. Kreinick, T. Bergfeld, L. Gibbons, S. Kotov, Philip Baringer, B. C. Barish, J. Gronberg, Yuichi Kubota, T. Skwarnicki, S.C. Timm, N. Horwitz, M. Chadha, R. Davis, George D Gollin, S. Playfer, P. Skubic, Xiangjun Xing, P. C. Kim, V. Fadeyev, S. Roberts, S. Sanghera, R. Janicek, D. Peterson, N. Kwak, M. Bishai, C. D. Jones, J. Fast, S. Menary, Dave Britton, Pu Wang, N. Hancock, D. M. Coffman, J. S. Miller, Jungil Lee, V. Shelkov, S. Schrenk, Christopher G. White, B. K. Heltsley, B. E. Berger, Harris Kagan, M. Goldberg, W. R. Ross, C.Y. Prescott, J. Urheim, Kenneth Bloom, I. Volobouev, N. Katayama, G. Eigen, T. K. Nelson, M. M. Zoeller, C. R. Sun, W. T. Ford, R. D. Kass, R. Balest, Sheldon Stone, Paul Avery, F. Ẅrthwein, Harold S. Park, K. Cho, N. B. Mistry, D. Gibaut, Alice Bean, R. Kutschke, Marina Artuso, T. Liu, C. Bebek, and A. P. Freyberger
Subjects: Baryon, Physics, Charmed baryons, Nuclear physics, Particle physics, 010308 nuclear & particles physics, Electron–positron annihilation, 0103 physical sciences, General Physics and Astronomy, State (functional analysis), 010306 general physics, 01 natural sciences, Spin excitation
Abstract: Using data recorded by the CLEO-II detector at CESR, we report the first observation of a narrow state decaying into $\Xi_c^+\pi^-$. The state has mass difference $M(\Xi_c^+\pi^-)-M(\Xi_c^+)$ of $178.2\pm0.5\pm1.0$ $\rm{MeV/c^2}$, and a width of $
Published: 1995
Full Text: View/download PDF

77. Measurement of theDs+→ηℓ+νandDs+→η′ℓ+νBranching Ratios

Author: C. Bebek, Y. Kwon, D. Roberts, A. P. Freyberger, D. Fujino, J. Masui, B. Spaan, N. Copty, D. He, R. Fulton, S. Chan, B. Gittelman, E. Gerndt, I. J. Kim, F. R. Wappler, Ryszard Stroynowski, D. W. Bliss, E. H. Thorndike, J. S. Miller, H. N. Nelson, W. S. Brower, P. Pomianowski, M. Lambrecht, H. Park, C. White, S. Playfer, R. Kutschke, S. Kopp, D. Riley, Shengfeng Yang, D. Coppage, J. Urheim, J. P. Alexander, D. B. MacFarlane, K. Cho, Ilya Kravchenko, D. M. Asner, Michael Wood, N. Kwak, S. D. Johnson, M. Bishai, D. G. Cassel, Sheldon Stone, Paul Avery, F. Ẅrthwein, Ian Shipsey, M. Ogg, J. Bartelt, H. P. Paar, J. Gronberg, A. Ryd, T. E. Browder, D. Z. Besson, S. Sanghera, Pu Wang, Yanwen Liu, J. G. Smith, J. J. Thaler, H. Kagan, R. Kass, Y. Mukhin, C. R. Sun, I. Korolkov, E. Nordberg, Jeffrey Richman, G. S. Ludwig, F. Muheim, Yuichi Kubota, R. Davis, M. M. Zoeller, I. Volobouev, C. Qiao, Dave Britton, R. Balest, B. C. Barish, P. S. Drell, R. Elia, C. D. Jones, Jorge Luis Rodriguez, P. Skubic, George D Gollin, R. J. Morrison, Richard Wilson, M. Saulnier, N. Horwitz, B. E. Berger, M. Momayezi, S. Schrenk, S. W. Gray, D. H. Miller, M. Chadha, J. Ernst, M. Dickson, J. Dominick, A. J. Weinstein, C. M. Korte, V. Jain, R. Ammar, P. Gaidarev, N. Hancock, N. B. Mistry, B. I. Eisenstein, K. K. Gan, T. E. Coan, H. Severini, X. Fu, D. J. Dumas, D. F. Cowen, V. Fadeyev, Shawn W. Henderson, K. Honscheid, Karl Berkelman, S. Nakanishi, S. Roberts, M. Sung, J. Mevissen, A. H. Mahmood, H. Tajima, T. Skwarnicki, Maurice Garcia-Sciveres, J. Kandaswamy, T. K. Nelson, Alain Bellerive, L. Gibbons, T. Miao, K. W. McLean, P. C. Kim, P. M. Patel, E. I. Shibata, Sz Márka, K. Lingel, M. S. Alam, T. Lee, D. Peterson, D. Gibaut, A. Wolf, J. K. Nelson, C.Y. Prescott, M. Gao, E. R.F. Hyatt, M. Lattery, K. W. Edwards, B. Nemati, G. C. Moneti, Mats A Selen, Ruifang Wang, J. Lee, T. Bergfeld, P. Rankin, A. J. Sadoff, Marina Artuso, A. Soffer, D. S. Crowcroft, J. Fast, C. O'Grady, M. Lohner, G. Crawford, V. Shelkov, H. Yamamoto, G. Masek, John Yelton, W. T. Ford, J. E. Duboscq, S. Kotov, R. Janicek, M.A. Palmer, Kenneth Bloom, N. Katayama, W. R. Ross, Alice Bean, Z. Ling, S. E. Csorna, M. Goldberg, K. Kinoshita, J. J. O'Neill, V. Savinov, M. Athanas, G. Brandenburg, Philip Baringer, Xiangjun Xing, R. Ehrlich, S. L. Jones, D. Cinabro, G. E. Gladding, S. Patton, G. Eigen, D. L. Kreinick, Juliet Ritchie Patterson, D. M. Coffman, B. K. Heltsley, R. Mountain, H. A. Cho, D. L. Hartill, R. Poling, C. R. Ng, Michael S. Witherell, S. Menary, G. Wei, J. W. Hinson, T. Liu, and M. Modesitt
Subjects: Pseudoscalar, Physics, 010308 nuclear & particles physics, 0103 physical sciences, Analytical chemistry, General Physics and Astronomy, 010306 general physics, Branching (polymer chemistry), 01 natural sciences
Abstract: Using the CLEO II detector we measure B(D s + Ⅵηe + ν)/B(D s + Ⅵφe + ν)=1.24±0.12±0.15, B(D s + Ⅵη ′ e + ν)/B(D s + Ⅵφe + ν)=0.43±0.11±0.07, and B(D s + Ⅵη ′ e + ν)/B(D s + Ⅵηe + ν)=0.35±0.09±0.07. We find the ratio of vector to pseudoscalar final states, B(D s + Ⅵφe + ν)/B(D s + Ⅵ(η+η ′ )e + ν)=0.60±0.06±0.06, which is similar to the ratio found in nonstrange D decays.
Published: 1995
Full Text: View/download PDF

78. Measurements of the Decaysτ−→h−h+h−ντandτ−→h−h+h−π0ντ

Author: D. L. Kreinick, Y. Kwon, D. Z. Besson, D. He, S. Roberts, K. K. Gan, D. W. Bliss, T. Skwarnicki, P. C. Kim, T. E. Browder, K. Cho, Sheldon Stone, Paul Avery, D. Gibaut, F. Ẅrthwein, D. M. Coffman, N. B. Mistry, B. K. Heltsley, M.A. Palmer, T. Liu, C. Bebek, D. B. MacFarlane, A. J. Weinstein, Ryszard Stroynowski, J. Urheim, D. Cinabro, H. N. Nelson, H. Kagan, G. E. Gladding, S. Patton, J. J. Thaler, P. Rankin, Richard Wilson, W. R. Ross, P. Skubic, S. Nakanishi, E. H. Thorndike, V. Fadeyev, M. Gao, R. Ammar, R. Davis, George D Gollin, A. P. Freyberger, Kenneth Bloom, H. P. Paar, R. Fulton, I. Volobouev, T. E. Coan, H. Severini, S. Chan, Shawn W. Henderson, M. Momayezi, Marina Artuso, K. Honscheid, N. Katayama, D. Coppage, J. P. Alexander, H. Yamamoto, C. M. Korte, C. O'Grady, R. Ehrlich, D. Riley, D. M. Asner, E. Nordberg, Jeffrey Richman, G. Eigen, C. R. Sun, W. T. Ford, G. S. Ludwig, R. J. Morrison, J. Bartelt, Mats A Selen, S. L. Jones, R. D. Kass, S. W. Gray, T. K. Nelson, Shengfeng Yang, M. Ogg, R. Balest, A. J. Sadoff, M. M. Zoeller, M. Modesitt, J. Dominick, A. Wolf, J. Mevissen, D. F. Cowen, A. H. Mahmood, S. Sanghera, N. Hancock, S. Kotov, J. Kandaswamy, J. S. Miller, R. Janicek, T. Miao, Yuichi Kubota, I. Korolkov, N. Copty, Yanwen Liu, D. Peterson, John Yelton, M. Lambrecht, J. G. Smith, S. D. Johnson, V. Savinov, A. Soffer, Alain Bellerive, M. Dickson, K. W. McLean, D. S. Crowcroft, W. S. Brower, Philip Baringer, Harold S. Park, P. M. Patel, Xiangjun Xing, Alice Bean, P. Pomianowski, K. Lingel, C. Qiao, R. Kutschke, G. Crawford, Ilya Kravchenko, Michael Wood, J. W. Hinson, D. H. Miller, P. Gaidarev, X. Fu, Jungil Lee, M. Sung, D. Roberts, E. Gerndt, K. W. Edwards, N. Kwak, Pu Wang, S. E. Csorna, M. Bishai, G. C. Moneti, E. I. Shibata, Ruifang Wang, S. Menary, Dave Britton, T. Bergfeld, V. Shelkov, S. Schrenk, K. Kinoshita, G. W. Brandenburg, F. Muheim, C.Y. Prescott, G. Masek, Juliet Ritchie Patterson, S. Playfer, Sacha E Kopp, M. S. Alam, E. R.F. Hyatt, M. Lattery, J. Fast, Christopher G. White, G. Wei, H. A. Cho, D. L. Hartill, R. Poling, C. R. Ng, Michael S. Witherell, D. Fujino, Maurice Garcia-Sciveres, J. J. O'Neill, Yurii V. Mukhin, D. G. Cassel, Z. Ling, I. P.J. Shipsey, H. Tajima, B. I. Eisenstein, T. Lee, J. K. Nelson, R. Mountain, B. C. Barish, J. Masui, B. Spaan, Vivek Jain, P. S. Drell, R. Elia, Jorge Luis Rodriguez, M. Saulnier, J. Ernst, B. Nemati, B. Gittelman, I. J. Kim, F. R. Wappler, M. Lohner, C. D. Jones, Anders Ryd, M. Athanas, Sz Márka, B. E. Berger, M. Goldberg, J. Gronberg, N. Horwitz, M. Chadha, D. J. Dumas, Karl Berkelman, and L. Gibbons
Subjects: Physics, Particle decay, Crystallography, Branching fraction, TheoryofComputation_ANALYSISOFALGORITHMSANDPROBLEMCOMPLEXITY, General Physics and Astronomy, Omega
Abstract: We use a data sample of 2.8{times}10{sup 6} produced {tau}-pair events, obtained with the CLEO II detector, to measure {ital B}{bold (}{tau}{sup {minus}}{r_arrow}{ital h}{sup {minus}}{ital h}{sup +}{ital h}{sup {minus}}({pi}{sup 0}){nu}{sub {tau}}{bold )}, where {ital h} refers to either a charged {pi} or {ital K}. These branching fractions are measured with samples of lepton-tagged and 3 vs 3 events. We find {ital B}({tau}{sup {minus}}{r_arrow}{ital h}{sup {minus}}{ital h}{sup +}{ital h}{sup {minus}}{nu}{sub {tau}})=0.0951{plus_minus}0.0007 m*0.0020 and {ital B}({tau}{sup {minus}}{r_arrow}{ital h}{sup {minus}}{ital h}{sup +}{ital h}{sup {minus}}{pi}{sup 0}{nu}{sub {tau}})=0.0423{plus_minus} .0006{plus_minus}0.0022. We also measure {ital B}({tau}{sup {minus}}{r_arrow}{omega}{ital h}{sup {minus}}{nu}{sub {tau}})=0.0195{plus_minus}0.0007{plus_minus}0.0011 {copyright} {ital 1995} {ital The} {ital American} {ital Physical} {ital Society}.
Published: 1995
Full Text: View/download PDF

79. Search forCPviolation inD0decay

Author: W. S. Brower, S. Nakanishi, E. H. Thorndike, D. G. Cassel, D. J. Dumas, D. Riley, P. Pomianowski, A. Soffer, J. Masui, D. M. Asner, B. Spaan, T. Liu, C. Bebek, D. Coppage, J. P. Alexander, A. P. Freyberger, Ilya Kravchenko, Michael Wood, P. S. Drell, J. Bartelt, D. S. Crowcroft, V. Savinov, Karl Berkelman, J. W. Hinson, R. Elia, N. Kwak, Vivek Jain, Jorge Luis Rodriguez, Yoram Rozen, M. Bishai, Yuichi Kubota, L. Gibbons, D. Cinabro, M. Saulnier, G. E. Gladding, M. Gao, H. Yamamoto, S. Patton, D. Fujino, J. Ernst, J. Urheim, Philip Baringer, J. J. O'Neill, Alain Bellerive, Shawn W. Henderson, Anders Ryd, M. Athanas, B. I. Eisenstein, M. L. Kelly, Xiangjun Xing, B. Nemati, Yurii V. Mukhin, T. Lee, B. Gittelman, Y. Kwon, P. M. Patel, K. Lingel, S. Menary, S. W. Gray, G. Crawford, Richard Wilson, M. Modesitt, J. K. Nelson, D. Z. Besson, C. D. Jones, I. J. Kim, F. R. Wappler, Dave Britton, R. L. McIlwain, Yanwen Liu, J. G. Smith, B. E. Berger, S. E. Csorna, H. P. Paar, R. Fulton, R. Mountain, H. Kagan, A. H. Mahmood, K. Honscheid, C. M. Korte, M.A. Palmer, K. W. Edwards, V. Shelkov, S. Schrenk, E. Gerndt, R. Ehrlich, T. Miao, Harold S. Park, M. Goldberg, I. Korolkov, Ian Shipsey, D. He, M. Dickson, N. Copty, J. Gronberg, K. Kinoshita, S. L. Jones, Z. Ling, G. W. Brandenburg, N. Horwitz, M. Chadha, D. W. Bliss, T. E. Browder, Alice Bean, K. W. McLean, K. K. Gan, J. Dominick, A. Wolf, Z. Egyed, M. S. Alam, Maurice Garcia-Sciveres, S. Sanghera, Shengfeng Yang, C. Qiao, G. Wei, J. S. Miller, R. Kutschke, D. M. Coffman, R. J. Morrison, Mats A Selen, J. J. Thaler, M. Sung, N. Hancock, A. J. Sadoff, Frank Würthwein, G. Masek, B. K. Heltsley, D. Roberts, E. R.F. Hyatt, K. Cho, P. Skubic, M. Ogg, M. Momayezi, M. Lattery, Juliet Ritchie Patterson, G. Zhu, D. F. Cowen, D. H. Miller, Ruifang Wang, M. Lohner, F. Muheim, N. B. Mistry, P. Gaidarev, T. Bergfeld, X. Fu, T. Skwarnicki, Pu Wang, E. Nordberg, Jeffrey Richman, P. C. Kim, D. L. Kreinick, R. Ammar, W. R. Ross, H. Tajima, S. Kotov, S. Playfer, R. Janicek, G. C. Moneti, Ha Lam, G. S. Ludwig, T. K. Nelson, V. Fadeyev, R. Davis, Ryszard Stroynowski, George D Gollin, Sheldon Stone, I. Volobouev, Paul Avery, E. I. Shibata, D. Payne, H. A. Cho, T. E. Coan, H. Severini, S. Chan, S. Roberts, John Yelton, M. Lambrecht, D. L. Hartill, M. M. Zoeller, P. Rankin, C. O'Grady, R. Poling, Jungil Lee, C. R. Ng, J. Mevissen, C. R. Sun, W. T. Ford, Kenneth Bloom, R. D. Kass, B. C. Barish, Michael S. Witherell, J. Kandaswamy, R. Balest, N. Katayama, G. Eigen, D. Peterson, D. B. MacFarlane, A. J. Weinstein, J. Fast, Christopher G. White, H. N. Nelson, D. Gibaut, and Marina Artuso
Subjects: Physics, Nuclear physics, Particle decay, Particle physics, Electron–positron annihilation, media_common.quotation_subject, Mass spectrum, CP violation, GeneralLiterature_REFERENCE(e.g.,dictionaries,encyclopedias,glossaries), Asymmetry, Eigenvalues and eigenvectors, media_common
Abstract: This is the publisher's version also available electronically from http://journals.aps.org/prd/abstract/10.1103/PhysRevD.52.4860.
Published: 1995
Full Text: View/download PDF

80. Observation of the Isospin-Violating DecayDs*+→Ds+π0

Author: A. Wolf, S. Sanghera, N. Hancock, T. K. Nelson, M. M. Zoeller, J. Urheim, Jungil Lee, W. R. Ross, I. Volobouev, A. H. Mahmood, G. Masek, G. C. Moneti, Juliet Ritchie Patterson, T. Liu, Frank Würthwein, K. Cho, N. B. Mistry, W. S. Brower, C. Bebek, J. J. Thaler, P. Pomianowski, E. I. Shibata, A. P. Freyberger, J. Mevissen, M. Momayezi, John Yelton, M. Lambrecht, S. Nakanishi, E. H. Thorndike, K. Honscheid, Ilya Kravchenko, J. Kandaswamy, Michael Wood, Y. Kwon, C.Y. Prescott, J. W. Hinson, D. Z. Besson, C. M. Korte, J. Gronberg, D. Gibaut, N. Horwitz, A. Soffer, D. Coppage, J. P. Alexander, K. K. Gan, M. Chadha, D. Peterson, D. S. Crowcroft, M. Ogg, Shengfeng Yang, E. Gerndt, Marina Artuso, N. Kwak, D. F. Cowen, K. W. Edwards, M. Bishai, Ruifang Wang, T. Bergfeld, S. Menary, Dave Britton, G. Crawford, M. Dickson, Ryszard Stroynowski, T. Lee, H. Kagan, V. Shelkov, S. Schrenk, J. K. Nelson, P. Rankin, J. Fast, C. Qiao, Christopher G. White, I. Korolkov, D. J. Dumas, Sacha E Kopp, R. Mountain, M. S. Alam, N. Copty, H. A. Cho, B. C. Barish, Karl Berkelman, R. J. Morrison, E. R.F. Hyatt, M. Lattery, Mats A Selen, L. Gibbons, V. Fadeyev, A. J. Sadoff, J. Masui, B. Spaan, F. Muheim, D. H. Miller, T. Miao, Anders Ryd, M. Athanas, D. L. Hartill, P. Gaidarev, Z. Ling, Sz Márka, Maurice Garcia-Sciveres, X. Fu, I. P.J. Shipsey, S. Playfer, R. Poling, C. R. Sun, M.A. Palmer, C. R. Ng, R. Davis, Vivek Jain, W. T. Ford, R. D. Kass, Michael S. Witherell, George D Gollin, D. G. Cassel, H. Tajima, R. Balest, D. Fujino, J. J. O'Neill, R. Ammar, Yurii V. Mukhin, C. D. Jones, T. E. Coan, H. Severini, S. Chan, C. O'Grady, B. E. Berger, Pu Wang, M. Lohner, B. I. Eisenstein, Sheldon Stone, M. Goldberg, Paul Avery, G. Wei, B. Nemati, M. Sung, H. Yamamoto, D. Roberts, B. Gittelman, I. J. Kim, F. R. Wappler, S. E. Csorna, K. Kinoshita, G. W. Brandenburg, P. S. Drell, R. Elia, Jorge Luis Rodriguez, M. Saulnier, J. Ernst, Harold S. Park, Alice Bean, R. Kutschke, S. Kotov, R. Janicek, D. L. Kreinick, D. He, T. E. Browder, S. Roberts, Kenneth Bloom, P. Skubic, N. Katayama, G. Eigen, Shawn W. Henderson, D. M. Coffman, B. K. Heltsley, D. Cinabro, G. E. Gladding, S. Patton, D. W. Bliss, M. Gao, H. P. Paar, R. Fulton, E. Nordberg, Jeffrey Richman, G. S. Ludwig, D. B. MacFarlane, A. J. Weinstein, H. N. Nelson, D. Riley, D. M. Asner, J. Bartelt, T. Skwarnicki, Yuichi Kubota, P. C. Kim, Alain Bellerive, K. W. McLean, P. M. Patel, K. Lingel, S. W. Gray, Richard Wilson, M. Modesitt, R. Ehrlich, S. L. Jones, J. Dominick, J. S. Miller, Yanwen Liu, J. G. Smith, S. D. Johnson, V. Savinov, Philip Baringer, and Xiangjun Xing
Subjects: Physics, Crystallography, TheoryofComputation_ANALYSISOFALGORITHMSANDPROBLEMCOMPLEXITY, Isospin, Radiative decay, General Physics and Astronomy
Abstract: Using data collected with the CLEO II detector, we have observed the isospin-violating decay {ital D}{sub {ital s}}{sup *+}{r_arrow}{ital D}{sup +}{sub {ital s}}{pi}{sup 0}. The decay rate for this mode, relative to the dominant radiative decay, is found to be {Gamma}({ital D}{sub {ital s}}{sup *+}{r_arrow}{ital D}{sup +}{sub {ital s}}{pi}{sup 0}) /{Gamma}({ital D}{sub {ital s}}{sup *+}{r_arrow}{ital D}{sup +}{ital s}{gamma}) =0.062{sub {minus}0.018}{sup +0.020}{plus_minus}0.022. {copyright} {ital 1995} {ital The} {ital American} {ital Physical} {ital Society}.
Published: 1995
Full Text: View/download PDF

81. Measurement of α from τ decays

Author: Pu Wang, E. I. Shibata, T. E. Coan, D. B. MacFarlane, Jungil Lee, A. J. Weinstein, E. Gerndt, D. M. Coffman, H. N. Nelson, K. W. Edwards, J. Masui, Z. Egyed, B. Spaan, J. K. Nelson, B. K. Heltsley, R. Ehrlich, D. Z. Besson, Anders Ryd, M. Athanas, M. Dickson, G. D. Gollin, S. L. Jones, T. Liu, C. Bebek, N. Kwak, J. Dominick, A. P. Freyberger, M. Bishai, M. Sivertz, C. Qiao, R. Mountain, Vivek Jain, Ruifang Wang, T. Miao, S. Nakanishi, E. H. Thorndike, T. Bergfeld, V. Fadeyev, S. Menary, Dave Britton, John Yelton, M. Sung, D. Coppage, R. L. McIlwain, M. Lambrecht, J. P. Alexander, D. G. Cassel, D. Gibaut, V. Shelkov, S. Schrenk, D. Roberts, F. Muheim, D. L. Kreinick, M. Ogg, R. S. Galik, D. J. Dumas, S. Roberts, S. Playfer, Ryszard Stroynowski, Karl Berkelman, D. L. Hartill, A. Soffer, J. Fast, P. Rankin, D. S. Crowcroft, Christopher G. White, G. Zhu, Marina Artuso, B. Nemati, B. I. Eisenstein, V. Savinov, D. Cinabro, G. E. Gladding, D. H. Miller, S. Patton, Yoram Rozen, F. R. Wappler, Youngjoon Kwon, G. Crawford, Frank Würthwein, K. Cho, H. Kagan, Philip Baringer, Shengfeng Yang, B. Gittelman, Xiangjun Xing, D. F. Cowen, R. J. Morrison, Mats A Selen, M. S. Alam, A. J. Sadoff, M. Gao, P. Gaidarev, E. R.F. Hyatt, M. Lattery, H. P. Paar, R. Fulton, J. S. Miller, X. Fu, M. Modesitt, J. Urheim, I. J. Kim, R. Ammar, E. Nordberg, H. Severini, S. Chan, G. S. Ludwig, C. O'Grady, C. D. Jones, H. Yamamoto, Maurice Garcia-Sciveres, Yanwen Liu, J. G. Smith, Z. Ling, K. K. Gan, T. Skwarnicki, D. He, B. E. Berger, W. S. Brower, P. C. Kim, T. E. Browder, P. Pomianowski, I. P.J. Shipsey, M. Goldberg, G. C. Moneti, Harold S. Park, Alice Bean, Ilya Kravchenko, Michael Wood, J. W. Hinson, A. Wolf, R. Kutschke, S. Sanghera, M.A. Palmer, Kenneth Bloom, M. Lohner, N. Katayama, M. L. Kelly, S. W. Gray, D. W. Bliss, N. Hancock, G. Eigen, Ha Lam, J. D. Richman, B. C. Barish, P. Skubic, D. Riley, S. E. Csorna, P. S. Drell, R. Elia, Jorge Luis Rodriguez, M. Saulnier, J. Ernst, G. Wei, K. Kinoshita, G. W. Brandenburg, D. Payne, H. A. Cho, D. M. Asner, R. Poling, C. R. Ng, Michael S. Witherell, G. Masek, Juliet Ritchie Patterson, J. Bartelt, Shawn W. Henderson, H. Tajima, T. K. Nelson, M. M. Zoeller, K. Honscheid, Yuichi Kubota, N. B. Mistry, C. M. Korte, D. Fujino, J. J. O'Neill, Yurii V. Mukhin, Alain Bellerive, K. W. McLean, P. M. Patel, L. Gibbons, K. Lingel, W. R. Ross, R. Davis, J. Gronberg, N. Horwitz, M. Chadha, I. Volobouev, I. Korolkov, S. Kotov, J. J. Thaler, N. Copty, Richard Wilson, R. Janicek, J. Mevissen, M. Momayezi, J. Kandaswamy, D. Peterson, C. R. Sun, W. T. Ford, R. D. Kass, R. Balest, Sheldon Stone, Paul Avery, and A. H. Mahmood
Subjects: Quantum chromodynamics, Physics, Nuclear physics, Nuclear and High Energy Physics, Particle physics, Spectral moments, Electron–positron annihilation, Hadron, Mass spectrum, High Energy Physics::Experiment, Invariant mass, Constant (mathematics), Parametrization
Abstract: We present measurements of spectral moments extracted from the invariant mass distributions of the final states of hadronic τ decay products recorded in the CLEO detector. From a fit of theoretical predictions to the measurements of spectral moments and the total hadronic decay width of the τ, we determine the strong coupling constant and a set of non-perturbative QCD parameters. The strong coupling constant is measured to be α s ( m τ ) = 0.306 ± 0.024, which when extrapolated to the Z mass, yields α s ( M z ) = 0.114 ± 0.003.
Published: 1995
Full Text: View/download PDF

82. Search forB→ℓν¯ℓ

Author: W. R. Ross, D. Riley, E. H. Thorndike, M. Lohner, N. Horwitz, J. J. O'Neill, M. Chadha, D. Coppage, J. P. Alexander, D. J. Payne, James E. Fast, Yurii V. Mukhin, H. Kagan, T. Liu, S. Playfer, G. E. Gladding, Z. Ling, Yuichi Kubota, C. P. O'Grady, M. Modesitt, H. A. Cho, John E. Bartelt, D. J. Dumas, R. S. Galik, C. R. Ng, M. Momayezi, Robert K. Kutschke, D. Gibaut, S. W. Gray, R. J. Morrison, Mats A Selen, Michael S. Witherell, M.K. Sung, Karl Berkelman, M. Ogg, G. Zhu, H. Tajima, A. P. Freyberger, Shawn W. Henderson, G. Masek, Juliet Ritchie Patterson, Alain Bellerive, Horst Severini, S. Roberts, A. J. Sadoff, D. Z. Besson, S. J. Patton, X. Fu, D. A. Roberts, Anders Ryd, M. Athanas, B. E. Berger, J. L. Rodriguez, P. S. Drell, Frank Würthwein, R. Elia, R. Ehrlich, K. K. Gan, T. Skwarnicki, M. Saulnier, K. Cho, Marina Artuso, S. L. Jones, P. C. Kim, F. Muheim, R. Mountain, N. B. Mistry, M. Dickson, M. Garcia-Sciveres, K. Honscheid, M. Goldberg, G. C. Moneti, M. Kelly, D. Cinabro, C. M. Korte, N. Kwak, R. J. Wilson, Vipul Jain, John Yelton, E.R.F. Hyatt, J. Masui, S. Nakanishi, Sheldon Stone, M. Bishai, B. Gittelman, J. Mevissen, J. Kandaswamy, Ryszard Stroynowski, D. Fujino, Paul Avery, I. J. Kim, W. S. Brower, P. Pomianowski, M. Lambrecht, D. G. Cassel, C. Qiao, K. W. Edwards, G. Wei, J. A. Ernst, Yoram Rozen, E. Gerndt, Harold S. Park, P. Rankin, Philip Baringer, D. L. Hartill, R. Poling, Christopher G. White, D. M. Asner, P. M. Patel, D. Peterson, I. P. J. Shipsey, K. W. McLean, D. He, M. Gao, Xiangjun Xing, R. Ammar, J. Gronberg, D. W. Bliss, E. I. Shibata, Ilya Kravchenko, Janice Nelson, Z. Egyed, C. R. Sun, W. T. Ford, D. S. Crowcroft, J. Urheim, Alice Bean, Ilya Korolkov, Dave Britton, R. L. McIlwain, A. Soffer, R. D. Kass, B. I. Eisenstein, H. P. Paar, S. Chan, R. Fulton, R. Balest, N. Copty, C. D. Jones, Michael Wood, J. W. Hinson, S. Schrenk, B. Nemati, P. Skubic, R. Davis, F. R. Wappler, J. S. Miller, Glen D. Crawford, L. K. Gibbons, T. Bergfeld, A. J.R. Weinstein, June Hyuk Lee, M. S. Alam, Shengfeng Yang, D. H. Miller, Vitaliy Fadeyev, T. K. Nelson, R. Janicek, S. Menary, P. Gaidarev, Igor Volobouev, M. M. Zoeller, Yanwen Liu, Y. J. Kwon, B. Spaan, J. G. Smith, M.A. Palmer, E. Nordberg, A. H. Mahmood, V.G. Shelkov, Kenneth Bloom, D. F. Cowen, T. Miao, S. Sanghera, Pu Wang, N. Katayama, G. Eigen, J. J. Thaler, G. S. Ludwig, N. Hancock, K. Lingel, S. E. Csorna, Ha Lam, J. D. Richman, M. Lattery, S. Kotov, B. C. Barish, K. Kinoshita, G. W. Brandenburg, T. E. Coan, D. B. MacFarlane, H. N. Nelson, A. Wolf, H. Yamamoto, R. Wang, D. L. Kreinick, C. Bebek, T. E. Browder, J. Dominick, V. Savinov, D. M. Coffman, B. K. Heltsley, and G. D. Gollin
Subjects: Combinatorics, Physics, General Physics and Astronomy
Abstract: We search for the decays ${B}^{\ensuremath{-}}\ensuremath{\rightarrow}{\ensuremath{\ell}}^{\ensuremath{-}}{\overline{\ensuremath{\nu}}}_{\ensuremath{\ell}}$ in a sample of $2.2\ifmmode\times\else\texttimes\fi{}{10}^{6}$ charged $B$ decays using the CLEO detector. We see no evidence for a signal in any channel and set upper limits on the branching fractions of $B({B}^{\ensuremath{-}}\ensuremath{\rightarrow}{\ensuremath{\tau}}^{\ensuremath{-}}{\overline{\ensuremath{\nu}}}_{\ensuremath{\tau}})l2.2\ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}3}$, $B({B}^{\ensuremath{-}}\ensuremath{\rightarrow}{\ensuremath{\mu}}^{\ensuremath{-}}{\overline{\ensuremath{\nu}}}_{\ensuremath{\mu}})l2.1\ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}5}$, and $B({B}^{\ensuremath{-}}\ensuremath{\rightarrow}{e}^{\ensuremath{-}}{\overline{\ensuremath{\nu}}}_{e})l1.5\ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}5}$ at the 90% confidence level.
Published: 1995
Full Text: View/download PDF

83. Form Factor Ratio Measurement inΛc+→Λe+νe

Author: P. Zadorozhny, F. Muheim, D. He, J. J. Thaler, T. E. Browder, Richard Wilson, S. Playfer, C. D. Jones, M. Momayezi, M. Sapper, Jungil Lee, R. Ammar, P. Skubic, M. Modesitt, M. Goldberg, M.A. Palmer, T. Skwarnicki, P. C. Kim, D. Riley, Shawn W. Henderson, H. Severini, S. Chan, C. O'Grady, Ha Lam, D. H. Miller, M. S. Alam, P. Gaidarev, J. Bartelt, J. Ernst, J. G. Smith, G. Zhu, X. Fu, B. C. Barish, J. K. Nelson, D. Gibaut, E. R.F. Hyatt, M. Lattery, A. Wolf, E. Gerndt, A. H. Mahmood, Z. Ling, J. Masui, B. Spaan, K. W. Edwards, S. Sanghera, I. P.J. Shipsey, R. Mountain, Z. Egyed, M. Procario, N. Kwak, K. Lingel, M. Bishai, Anders Ryd, W. S. Brower, M. Athanas, N. Hancock, Vivek Jain, J. Mevissen, H. Yamamoto, P. Pomianowski, D. Sperka, Yuichi Kubota, C. M. Daubenmier, S. Menary, Dave Britton, M. Sung, G. C. Moneti, J. Kandaswamy, Ilya Kravchenko, Ryszard Stroynowski, Marina Artuso, Ruifang Wang, T. Bergfeld, R. L. McIlwain, T. Miao, S. Salman, Michael Wood, J. W. Hinson, C. R. Sun, W. T. Ford, Maurice Garcia-Sciveres, P. S. Drell, V. Shelkov, S. Schrenk, P. Rankin, R. D. Kass, R. Balest, S. E. Csorna, F. Butler, H. Tajima, D. Peterson, Jorge Luis Rodriguez, T. K. Nelson, K. Kinoshita, M. Saulnier, Chunjie Wang, R. Davis, E. I. Shibata, D. G. Cassel, George D Gollin, D. Fujino, J. Gronberg, John Yelton, J. S. Miller, J. J. O'Neill, M. M. Zoeller, B. Nemati, M. Lambrecht, Alain Bellerive, Y. Kwon, J. Urheim, W. R. Ross, D. B. MacFarlane, A. J. Weinstein, M. L. Kelly, B. Gittelman, Yurii V. Mukhin, N. Horwitz, M. Chadha, D. Z. Besson, Shengfeng Yang, H. N. Nelson, S. W. Gray, H. Kagan, I. Volobouev, I. J. Kim, F. R. Wappler, B. I. Eisenstein, Sheldon Stone, P. M. Patel, D. F. Cowen, Paul Avery, K. Honscheid, K. K. Gan, T. Liu, C. M. Korte, B. Geiser, M. Gao, C. Bebek, M. Lohner, H. P. Paar, R. Fulton, Pu Wang, K. Cho, N. Copty, D. J. Dumas, A. P. Freyberger, N. B. Mistry, B. Ong, E. Nordberg, Jeffrey Richman, G. S. Ludwig, R. J. Morrison, Mats A Selen, Karl Berkelman, J. Fast, L. Gibbons, A. J. Sadoff, Christopher G. White, V. Savinov, D. S. Crowcroft, Yoram Rozen, F. Würthwein, Philip Baringer, Xiangjun Xing, G. Crawford, R. Ehrlich, C. Qiao, S. Nakanishi, S. L. Jones, E. H. Thorndike, J. Dominick, D. Coppage, J. P. Alexander, Alice Bean, R. Kutschke, M. Ogg, S. Kotov, Kenneth Bloom, N. Katayama, G. Eigen, D. L. Kreinick, S. Roberts, M. Battle, D. Cinabro, S. Patton, Daniel Johnson, D. M. Coffman, B. K. Heltsley, G. Wei, D. Payne, H. A. Cho, D. L. Hartill, R. Poling, C. R. Ng, Michael S. Witherell, G. Masek, and Juliet Ritchie Patterson
Subjects: Physics, Semileptonic decay, Combinatorics, Particle physics, Angular distribution, Maximum likelihood, Electron–positron annihilation, Form factor (quantum field theory), General Physics and Astronomy, Statistical analysis, Ratio measurement, Lambda baryon
Abstract: The angular distributions of the decay ${\ensuremath{\Lambda}}_{c}^{+}\ensuremath{\rightarrow}\ensuremath{\Lambda}{e}^{+}{\ensuremath{\nu}}_{e}$ have been studied using the CLEO II detector. By performing a three-dimensional maximum likelihood fit, the form factor ratio ${R\phantom{\rule{0ex}{0ex}}=\phantom{\rule{0ex}{0ex}}f}_{2}{/f}_{1}$ is determined to be $\ensuremath{-}0.25\ifmmode\pm\else\textpm\fi{}0.14\ifmmode\pm\else\textpm\fi{}0.08$. The decay asymmetry parameter of the ${\ensuremath{\Lambda}}_{c}$ averaged over ${q}^{2}$ is calculated to be ${\ensuremath{\alpha}}_{{\ensuremath{\Lambda}}_{c}}{\phantom{\rule{0ex}{0ex}}=\phantom{\rule{0ex}{0ex}}\ensuremath{-}0.82}_{\ensuremath{-}0.06\ensuremath{-}0.03}^{+0.09+0.06}$.
Published: 1995
Full Text: View/download PDF

84. New Decay Modes of theΛc+Charmed Baryon

Author: Z. Ling, Juliet Ritchie Patterson, D. He, I. P.J. Shipsey, J. J. Thaler, T. E. Browder, Jungil Lee, R. Davis, D. G. Cassel, H. Tajima, M. Momayezi, M. Sapper, A. Wolf, J. Gronberg, D. Fujino, N. Horwitz, J. J. O'Neill, Yurii V. Mukhin, S. Sanghera, M. Chadha, N. Hancock, C. M. Daubenmier, Ryszard Stroynowski, S. E. Csorna, B. Ong, G. Zhu, M. Gao, H. P. Paar, R. Fulton, P. Skubic, K. Kinoshita, S. Nakanishi, M. L. Kelly, S. W. Gray, Richard Wilson, J. Urheim, G. Wei, P. Rankin, T. Skwarnicki, D. M. Coffman, D. Gibaut, J. Fast, P. C. Kim, E. H. Thorndike, Christopher G. White, D. Payne, H. Kagan, H. A. Cho, B. K. Heltsley, Anders Ryd, Chunjie Wang, M. Athanas, E. Nordberg, Jeffrey Richman, G. D. Gollin, D. L. Hartill, Shawn W. Henderson, M. Modesitt, B. Nemati, R. Poling, C. R. Ng, G. S. Ludwig, B. I. Eisenstein, K. Lingel, D. Riley, D. L. Kreinick, T. Miao, B. Gittelman, N. Kwak, M. Bishai, Michael S. Witherell, I. J. Kim, D. Coppage, M. Sung, J. Bartelt, J. P. Alexander, W. R. Ross, F. R. Wappler, J. G. Smith, R. J. Morrison, S. Kotov, S. Roberts, M. Battle, Mats A Selen, A. J. Sadoff, Shengfeng Yang, D. J. Dumas, Maurice Garcia-Sciveres, R. Ehrlich, Marina Artuso, Y. Kwon, M. Ogg, D. H. Miller, Yuichi Kubota, I. Volobouev, T. K. Nelson, A. H. Mahmood, Karl Berkelman, S. Menary, Dave Britton, P. Gaidarev, W. S. Brower, S. L. Jones, P. S. Drell, R. L. McIlwain, X. Fu, E. Gerndt, D. F. Cowen, D. B. MacFarlane, A. J. Weinstein, L. Gibbons, K. W. Edwards, P. Pomianowski, D. Cinabro, D. S. Crowcroft, D. Z. Besson, Jorge Luis Rodriguez, V. Shelkov, S. Schrenk, J. Dominick, Alain Bellerive, M. Saulnier, R. Ammar, Z. Egyed, H. N. Nelson, M. M. Zoeller, Sheldon Stone, S. Patton, Paul Avery, Ilya Kravchenko, D. Sperka, S. Salman, Michael Wood, P. M. Patel, H. Severini, S. Chan, J. K. Nelson, Ruifang Wang, V. Savinov, T. Bergfeld, B. Geiser, J. W. Hinson, Daniel Johnson, C. O'Grady, G. Crawford, M. S. Alam, Yoram Rozen, R. Mountain, F. Würthwein, K. K. Gan, M. Lohner, J. Ernst, E. R.F. Hyatt, Pu Wang, K. Cho, F. Butler, M. Lattery, C. Qiao, T. Liu, Philip Baringer, P. Zadorozhny, F. Muheim, N. B. Mistry, John Yelton, M. Lambrecht, J. Mevissen, C. Bebek, Xiangjun Xing, A. P. Freyberger, J. Kandaswamy, S. Playfer, G. C. Moneti, D. Peterson, C. R. Sun, W. T. Ford, R. D. Kass, J. S. Miller, R. Balest, E. I. Shibata, Alice Bean, R. Kutschke, H. Yamamoto, Kenneth Bloom, N. Katayama, G. Eigen, M.A. Palmer, Ha Lam, N. Copty, K. Honscheid, C. M. Korte, B. C. Barish, C. D. Jones, M. Goldberg, J. Masui, B. Spaan, Vivek Jain, and G. Masek
Subjects: Baryon, Physics, Charmed baryons, Crystallography, Pair production, Meson, Branching fraction, General Physics and Astronomy, Atomic physics, Lambda baryon, Lambda, Sigma baryon
Abstract: We have observed five new decay modes of the charmed baryon {Lambda}{sup +}{sub {ital c}} using data collected with the CLEO II detector. Four decay modes, {Lambda}{sup +}{sub {ital c}}{r_arrow}{ital p{bar K}}{sup 0}{eta}, {Lambda}{eta}{pi}{sup +}, {Sigma}{sup +}{eta}, and {Sigma}{sup *+}{eta}, are first observations of final states with an {eta} meson, while the fifth mode, {Lambda}{sup +}{sub {ital c}}{r_arrow}{Lambda}{ital {bar K}}{sup 0}{ital K}{sup +}, requires the creation of an {ital s{bar s}} quark pair. We measure the branching fractions of these modes relative to {Lambda}{sup +}{sub {ital c}}{r_arrow}{ital pK}{sup -}{pi}{sup +} to be 0.25{plus_minus}0.04{plus_minus}0.04, 0.35{plus_minus}0.05{plus_minus}0.06, 0.11{plus_minus}0.03{plus_minus}0.02, 0.17{plus_minus}0.04{plus_minus}0.03, and 0.12{plus_minus}0.02{plus_minus}0.02, respectively.
Published: 1995
Full Text: View/download PDF

85. First Observation of the DecayΞc+→Ξ0e+νeand an Estimate of theΞc+Ξc0Lifetime Ratio

Author: J. Mevissen, J. Kandaswamy, Alain Bellerive, K. Lingel, C. Qiao, D. Peterson, S. Sanghera, F. Butler, P. M. Patel, B. Ong, P. Zadorozhny, F. Muheim, S. E. Csorna, Alice Bean, R. Kutschke, N. Hancock, R. Malchow, John Yelton, M. Lambrecht, J. Fast, D. Fujino, J. J. O'Neill, Y. Kwon, S. Nakanishi, E. H. Thorndike, J. Masui, W. R. Ross, B. Spaan, Pu Wang, K. Kinoshita, Yurii V. Mukhin, D. Z. Besson, H. Kagan, Richard Wilson, Christopher G. White, J. K. Nelson, S. Playfer, D. Coppage, J. P. Alexander, G. C. Moneti, I. Volobouev, S. Kotov, R. Davis, George D Gollin, E. Gerndt, M. Ogg, Kenneth Bloom, K. W. Edwards, B. Nemati, N. Katayama, K. K. Gan, Y. Skovpen, Z. Ling, Z. Egyed, G. Eigen, A. H. Mahmood, I. P.J. Shipsey, E. I. Shibata, R. Mountain, R. Ammar, Shengfeng Yang, K. Honscheid, Vivek Jain, D. Riley, M. L. Kelly, D. Gibaut, B. Gittelman, C. R. Sun, W. T. Ford, M. S. Alam, H. Severini, S. Chan, D. Sperka, J. Bartelt, D. F. Cowen, D. H. Miller, Ruifang Wang, M. Gao, S. W. Gray, R. J. Morrison, Mats A Selen, R. D. Kass, H. P. Paar, P. Gaidarev, A. J. Sadoff, C. O'Grady, J. Ernst, T. Bergfeld, R. Balest, M. Modesitt, H. Tajima, G. Zhu, X. Fu, K. Cho, D. G. Cassel, E. R.F. Hyatt, M. Lattery, N. Copty, C. D. Jones, T. Liu, R. Fulton, Jungil Lee, N. B. Mistry, C. Bebek, Yuichi Kubota, D. S. Crowcroft, J. J. Thaler, F. Ẅrthwein, A. P. Freyberger, I. J. Kim, F. R. Wappler, N. Kwak, C. M. Daubenmier, Ryszard Stroynowski, T. Skwarnicki, J. G. Smith, M. Bishai, M. Goldberg, Sheldon Stone, T. Miao, Paul Avery, P. Rankin, P. C. Kim, M. Sung, E. Nordberg, Jeffrey Richman, M. Momayezi, M. Sapper, S. Menary, Dave Britton, R. L. McIlwain, Chunjie Wang, G. Crawford, W. S. Brower, B. I. Eisenstein, V. Shelkov, S. Schrenk, P. Pomianowski, G. S. Ludwig, Ha Lam, G. Wei, Ilya Kravchenko, S. Salman, Michael Wood, Maurice Garcia-Sciveres, B. Geiser, D. B. MacFarlane, B. C. Barish, A. J. Weinstein, H. N. Nelson, G. Masek, Marina Artuso, Juliet Ritchie Patterson, M. Lohner, P. S. Drell, D. He, Jorge Luis Rodriguez, M. Saulnier, D. Payne, H. A. Cho, T. E. Browder, D. L. Hartill, R. Poling, C. R. Ng, Michael S. Witherell, H. Yamamoto, P. Skubic, M.A. Palmer, Shawn W. Henderson, T. K. Nelson, M. M. Zoeller, J. Urheim, D. J. Dumas, Karl Berkelman, L. Gibbons, J. Gronberg, N. Horwitz, M. Chadha, Anders Ryd, M. Athanas, V. Savinov, Yoram Rozen, Philip Baringer, Xiangjun Xing, J. S. Miller, R. Ehrlich, S. L. Jones, J. Dominick, D. L. Kreinick, S. Roberts, M. Battle, D. M. Coffman, B. K. Heltsley, D. Cinabro, S. Patton, and Daniel Johnson
Subjects: Nuclear physics, Physics, Semileptonic decay, Crystallography, TheoryofComputation_ANALYSISOFALGORITHMSANDPROBLEMCOMPLEXITY, Electron–positron annihilation, General Physics and Astronomy, Cornell Electron Storage Ring
Abstract: Using the CLEO II detector at the Cornell Electron Storage Ring we have observed the decay modes {Xi}{sup +}{sub {ital c}}{r_arrow}{Xi}{sup 0}{ital e}{sup +}{nu}{sub {ital e}} and {Xi}{sup 0}{sub {ital c}}{r_arrow}{Xi}{sup {minus}}{ital e}{sup +}{nu}{sub {ital e}} by the detection of a {Xi}-positron pair of appropriate invariant mass. We find {ital B} ({Xi}{sup +}{sub {ital c}}{r_arrow}{Xi}{sup 0}{ital e}{sup +}{nu}{sub {ital e}}){sigma}({ital e}{sup +}{ital e}{sup {minus}}{r_arrow} {Xi}{sup +}{sub {ital cX}})=1.55{plus_minus}0.33{plus_minus}0.25 pb, {ital B} ({Xi}{sup 0}{sub {ital c}}{r_arrow}{Xi}{sup {minus}}{ital e}{sup +}{nu}{sub {ital e}}){sigma}({ital e}{sup +}{ital e}{sup {minus}}{r_arrow} {Xi}{sup 0}{sub {ital cX}})=0.63{plus_minus}0.12{plus_minus}0.10 pb, {ital B} ({Xi}{sup +}{sub {ital c}}{r_arrow}{Xi}{sup {minus}}{pi}{sup +}{pi}{sup +})/ {ital B} ({Xi}{sup +}{sub {ital c}}{r_arrow}{Xi}{sup 0}{ital e}{sup +}{nu}{sub {ital e}})= 0.44{plus_minus}0.11{sub {minus}0.06}{sup +0.11}, and {ital B} ({Xi}{sup 0}{sub {ital c}}{r_arrow}{Xi}{sup {minus}}{pi}{sup +})/{ital B} ({Xi}{sup 0}{sub {ital c}}{r_arrow}{Xi}{sup {minus}}{ital e}{sup +}{nu}{sub {ital e}})= 0.32{plus_minus}0.10{sub {minus}0.03}{sup +0.05}. Assuming the {Xi}{sup +}{sub {ital c}} and {Xi}{sup 0}{sub {ital c}} are equally produced in {ital e}{sup +}{ital e}{sup {minus}} annihilation events at 10 GeV, the lifetime ratio of {Xi}{sup +}{sub {ital c}}/{Xi}{sup 0}{sub {ital c}} is measured to be 2.46{plus_minus}0.70{sub {minus}0.23}{sup +0.33}.
Published: 1995
Full Text: View/download PDF

86. Measurement of theB¯→D*lν¯ branching fractions and ‖Vcb‖

Author: S. Playfer, C. D. Jones, C. M. Daubenmier, Ryszard Stroynowski, P. Rankin, Chunjie Wang, C. Qiao, J. Gronberg, N. Horwitz, M. Goldberg, M. Chadha, Shengfeng Yang, M. Modesitt, D. F. Cowen, D. L. Kreinick, H. P. Paar, R. Fulton, G. Masek, B. Ong, R. Kennett, B. Gittelman, T. Miao, N. Kwak, B. Nemati, D. Gibaut, Juliet Ritchie Patterson, S. Nakanishi, E. H. Thorndike, D. S. Crowcroft, I. J. Kim, F. R. Wappler, Pu Wang, E. Nordberg, Jeffrey Richman, S. Roberts, C. R. Sun, W. T. Ford, Kenneth Bloom, M. Battle, R. D. Kass, J. G. Smith, R. Ammar, T. Liu, C. Bebek, S. Sanghera, G. S. Ludwig, D. Coppage, J. P. Alexander, D. H. Miller, Ha Lam, K. Lingel, A. P. Freyberger, N. Copty, R. Balest, H. Severini, S. Chan, S. Menary, George R. Kalbfleisch, N. Hancock, G. C. Moneti, G. Vasseur, C. O'Grady, G. Crawford, P. Gaidarev, X. Fu, N. Katayama, G. Eigen, H. Kagan, Y. Kwon, M. Ogg, D. Z. Besson, R. S. Galik, J. J. Thaler, J. Urheim, Dave Britton, R. L. McIlwain, V. Shelkov, S. Schrenk, E. I. Shibata, D. M. Coffman, B. C. Barish, Karl Berkelman, J. Masui, B. Spaan, L. Gibbons, B. K. Heltsley, D. B. MacFarlane, M. Daoudi, R. Davis, J. Fast, J. K. Nelson, A. J. Weinstein, M. L. Kelly, G. Zhu, George D Gollin, K. K. Gan, M.A. Palmer, Vivek Jain, H. N. Nelson, S. W. Gray, Richard Wilson, M. Momayezi, Jungil Lee, Christopher G. White, Anders Ryd, M. Athanas, Y. Skovpen, R. J. Morrison, Mats A Selen, M. Sapper, R. Mountain, R. Ehrlich, B. Geiser, D. Cinabro, M. Procario, Sheldon Stone, D. He, M. Sung, A. J. Sadoff, S. Patton, Paul Avery, D. Payne, H. A. Cho, S. L. Jones, T. E. Browder, Alice Bean, J. Dominick, D. Acosta, Ilya Kravchenko, R. Kutschke, F. Butler, S. Salman, Michael Wood, M. S. Alam, Daniel Johnson, D. L. Hartill, J. S. Miller, T. Skwarnicki, K. W. Edwards, Z. Egyed, M. Thulasidas, R. Malchow, S. E. Csorna, H. Yamamoto, P. Skubic, John Yelton, M. Lambrecht, R. Poling, T. K. Nelson, M. Lohner, C. R. Ng, P. C. Kim, J. Ernst, Marina Artuso, S. Kotov, K. Kinoshita, D. Perticone, D. Sperka, V. Savinov, S. Henderson, Michael S. Witherell, M. M. Zoeller, K. Honscheid, Yoram Rozen, F. Würthwein, Alain Bellerive, E. R.F. Hyatt, M. Lattery, Philip Baringer, S. Ball, Xiangjun Xing, Ruifang Wang, G. Wei, P. M. Patel, T. Bergfeld, D. Riley, J. Bartelt, Maurice Garcia-Sciveres, P. S. Drell, Yuichi Kubota, Jorge Luis Rodriguez, M. Saulnier, D. G. Cassel, B. I. Eisenstein, Z. Ling, I. P.J. Shipsey, H. Tajima, D. Fujino, J. J. O'Neill, Yurii V. Mukhin, W. R. Ross, I. Volobouev, K. Cho, N. B. Mistry, J. Mevissen, J. Kandaswamy, D. Peterson, P. Zadorozhny, and F. Muheim
Subjects: Combinatorics, Semileptonic decay, Physics, Particle properties, Partial width, Branching fraction, B meson
Abstract: From this partial width we calculate [ital [bar B]][r arrow][ital D][sup *][ital l][bar [nu]] branching fractions that do not depend on [ital f][sub +[minus]]/[ital f][sub 00] or the individual [ital B] lifetimes, but only on the charged to neutral [ital B] lifetime ratio. The product of the CKM matrix element [vert bar][ital V][sub [ital c][ital b]][vert bar] times the normalization of the decay form factor at the point of no recoil of the [ital D][sup *] meson, [ital scrF]([ital y]=1), is determined from a linear fit to the combined differential decay rate of the exclusive [ital [bar B]][r arrow][ital D][sup *][ital l][bar [nu]] decays: [vert bar][ital V][sub [ital c][ital b]][vert bar][ital scrF](1)=0.0351[plus minus]0.0019 (stat) [plus minus]0.0018 (syst) [plus minus]0.0008 (lifetime). The value for [vert bar][ital V][sub [ital c][ital b]][vert bar] is extracted using theoretical calculations of the form factor normalization.
Published: 1995
Full Text: View/download PDF

87. Observation of B → ψπ decays

Author: B. Geiser, J. Gronberg, N. Horwitz, M. Lohner, T. Skwarnicki, M. Chadha, M. S. Alam, P. C. Kim, M. Sung, J. Ernst, J. Urheim, E. R.F. Hyatt, M. Lattery, J. Mevissen, Alain Bellerive, J. Kandaswamy, P. M. Patel, M. L. Kelly, S. E. Csorna, Sheldon Stone, D. G. Cassel, D. Peterson, Paul Avery, Anders Ryd, M. Athanas, S. W. Gray, T. Liu, K. Kinoshita, H. Kagan, P. S. Drell, C. Bebek, M. Modesitt, Jorge Luis Rodriguez, M. Saulnier, C. D. Jones, A. P. Freyberger, D. H. Miller, P. Zadorozhny, F. Muheim, P. Gaidarev, X. Fu, R. J. Morrison, Mats A Selen, A. J. Sadoff, B. I. Eisenstein, Richard Wilson, M. Gao, H. P. Paar, J. G. Smith, R. Davis, George D Gollin, D. J. Dumas, B. Nemati, D. Gibaut, K. Cho, T. K. Nelson, J. J. Thaler, B. Gittelman, C. M. Daubenmier, Ryszard Stroynowski, D. Cinabro, C. R. Sun, J. K. Nelson, W. T. Ford, Karl Berkelman, I. J. Kim, F. R. Wappler, N. B. Mistry, R. D. Kass, M. M. Zoeller, Marina Artuso, R. Fulton, R. Balest, S. Playfer, S. Nakanishi, D. S. Crowcroft, W. S. Brower, E. H. Thorndike, R. Mountain, S. Patton, S. Sanghera, Y. Skovpen, M. Momayezi, P. Rankin, M. Goldberg, W. R. Ross, P. Pomianowski, L. Gibbons, G. C. Moneti, G. Zhu, N. Kwak, D. Riley, N. Hancock, M. Sapper, Y. Kwon, M. Bishai, I. Volobouev, Ilya Kravchenko, S. Salman, D. Coppage, G. Crawford, Chunjie Wang, Michael Wood, E. Nordberg, Jeffrey Richman, Maurice Garcia-Sciveres, Daniel Johnson, D. Z. Besson, J. Bartelt, J. P. Alexander, F. Butler, E. I. Shibata, S. Menary, G. S. Ludwig, R. Malchow, K. Lingel, Dave Britton, R. L. McIlwain, Ha Lam, John Yelton, K. K. Gan, M. Lambrecht, M. Ogg, Shengfeng Yang, V. Shelkov, S. Schrenk, R. Ammar, Yuichi Kubota, H. Severini, A. H. Mahmood, D. F. Cowen, B. C. Barish, J. Masui, B. Spaan, Vivek Jain, Pu Wang, D. B. MacFarlane, C. Qiao, S. Chan, Jungil Lee, A. J. Weinstein, D. M. Coffman, C. O'Grady, H. N. Nelson, B. K. Heltsley, D. He, T. E. Browder, T. Miao, P. Skubic, D. Fujino, J. J. O'Neill, Shawn W. Henderson, Yurii V. Mukhin, Z. Ling, I. P.J. Shipsey, H. Tajima, E. Gerndt, K. W. Edwards, Z. Egyed, D. Sperka, Ruifang Wang, T. Bergfeld, M.A. Palmer, G. Wei, D. Payne, H. A. Cho, D. L. Hartill, B. Ong, R. Poling, C. R. Ng, Michael S. Witherell, H. Yamamoto, G. Masek, J. Fast, Juliet Ritchie Patterson, Christopher G. White, K. Honscheid, N. Copty, V. Savinov, Yoram Rozen, F. Würthwein, Philip Baringer, Xiangjun Xing, D. L. Kreinick, S. Roberts, M. Battle, R. Ehrlich, S. L. Jones, J. Dominick, J. S. Miller, Alice Bean, R. Kutschke, Kenneth Bloom, N. Katayama, G. Eigen, and S. Kotov
Subjects: Physics, Nuclear physics, Nuclear and High Energy Physics, Particle physics, Branching fraction, Detector, Cornell Electron Storage Ring
Abstract: We have found the first evidence for the Cabibbo suppressed, color suppressed decay B − → ψπ − in a data sample of 4 million B decays obtained by the CLEO detector at the Cornell Electron Storage Ring (CESR). The branching ratio is found to be (4.3±2.3)% of the Cabibbo allowed B − → ψK − decay mode, which is consistent with theoretical expectations.
Published: 1995
Full Text: View/download PDF

88. Observation of the Dalitz decayDs*+→Ds+e+e−

Author: S. Blusk, H. Mendez, D. Peterson, E. H. Thorndike, G. S. Adams, S. W. Gray, Karl Matthew Ecklund, Jonas Rademacker, Hans J. Vogel, Jing Wang, A. Powell, M. Kornicer, G. Bonvicini, J. P. Alexander, C. M. Tarbert, P. Rubin, D. H. Miller, R. A. Briere, Z. Metreveli, C. Thomas, Mark Smith, Peter Onyisi, G. Wilkinson, Souvik Das, Sean A Dobbs, Ping Zhou, I. P.J. Shipsey, D. Hu, D. L. Kreinick, K. Randrianarivony, S. Mehrabyan, A. J. Sadoff, Ting Xiao, H. Muramatsu, B. Xin, P. Naik, D. Z. Besson, C. S. Park, Anders Ryd, D. Cronin-Hennessy, L. K. Gibbons, M. R. Shepherd, Juliet Ritchie Patterson, L. J. Pearson, T. K. Pedlar, K. K. Seth, D. L. Hartill, L. Martin, Sheldon Stone, R. Ehrlich, J. Napolitano, Amiran Tomaradze, Marina Artuso, B. K. Heltsley, J. Zhu, S. Ricciardi, D. Riley, Mats A Selen, Jonathan L. Rosner, Tomasz Skwarnicki, John Yelton, J. Hietala, B. Moziak, D. G. Cassel, A. Lincoln, N. Lowrey, D. Cinabro, J. Insler, J. Libby, G. Tatishvili, Werner Sun, Lei Zhang, J. Y. Ge, James E Wiss, R. E. Mitchell, Xin Shi, V. E. Kuznetsov, K. W. Edwards, R. Mountain, and D. M. Asner
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, 010308 nuclear & particles physics, 0103 physical sciences, Statistical physics, Cornell Electron Storage Ring, 010306 general physics, 01 natural sciences
Abstract: Using 586 $\textrm{pb}^{-1}$ of $e^{+}e^{-}$ collision data acquired at $\sqrt{s}=4.170$ GeV with the CLEO-c detector at the Cornell Electron Storage Ring, we report the first observation of $D_{s}^{*+} \to D_{s}^{+} e^{+} e^{-}$ with a significance of $5.3 \sigma$. The ratio of branching fractions $\calB(D_{s}^{*+} \to D_{s}^{+} e^{+} e^{-}) / \calB(D_{s}^{*+} \to D_{s}^{+} \gamma)$ is measured to be $[ 0.72^{+0.15}_{-0.13} (\textrm{stat}) \pm 0.10 (\textrm{syst})]%$, which is consistent with theoretical expectations.
Published: 2012
Full Text: View/download PDF

89. Amplitude analysis ofD0→K+K−π+π−

Author: D. Riley, G. Tatishvili, Werner Sun, Lei Zhang, D. L. Hartill, D. Z. Besson, Ting Xiao, H. Muramatsu, V. E. Kuznetsov, Hans J. Vogel, Marina Artuso, P. U. E. Onyisi, Mark Smith, G. Wilkinson, Souvik Das, P. Naik, Anders Ryd, Ping Zhou, L. K. Gibbons, D. Cronin-Hennessy, K. Randrianarivony, J. Zhu, T. J. Gershon, D. H. Miller, S. Blusk, M. Kornicer, K. M. Ecklund, L. J. Pearson, C. S. Park, T. K. Pedlar, K. K. Seth, A. Powell, Jonas Rademacker, D. Peterson, R. Ehrlich, Juliet Ritchie Patterson, L. Martin, P. Spradlin, D. M. Asner, G. S. Adams, A. Lincoln, D. L. Kreinick, J. Insler, J. Napolitano, E. H. Thorndike, S. W. Gray, Xin Shi, John Yelton, J. Hietala, R. A. Briere, K. W. Edwards, S. Mehrabyan, S. Stone, G. Bonvicini, J. P. Alexander, T. Skwarnicki, Sean A Dobbs, Mats A Selen, S. Ricciardi, A. J. Sadoff, I. P. J. Shipsey, P. Rubin, J. Y. Ge, James E Wiss, Jonathan L. Rosner, R. E. Mitchell, B. K. Heltsley, Z. Metreveli, C. Thomas, B. Xin, D. G. Cassel, R. Mountain, N. Lowrey, D. Cinabro, J. Libby, and Amiran Tomaradze
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Amplitude, 010308 nuclear & particles physics, 0103 physical sciences, Analytical chemistry, Pi, CP violation, 010306 general physics, 01 natural sciences
Abstract: The first flavor-tagged amplitude analysis of the decay D0 to the self-conjugate final state K+K-pi+pi- is presented. Data from the CLEO II.V, CLEO III, and CLEO-c detectors are used, from which around 3000 signal decays are selected. The three most significant amplitudes, which contribute to the model that best fits the data, are phirho0, K1(1270)+-K-+, and non-resonant K+K-pi+pi-. Separate amplitude analyses of D0 and D0-bar candidates indicate no CP violation among the amplitudes at the level of 5% to 30% depending on the mode. In addition, the sensitivity to the CP-violating parameter gamma/phi3 of a sample of 2000 B+ -> D0-tilde(K+K-pi+pi-)K+ decays, where D0-tilde is a D0 or D0-bar, collected at LHCb or a future flavor facility, is estimated to be (11.3 +/- 0.3) degrees using the favored model.
Published: 2012
Full Text: View/download PDF

90. Studies of the decaysD0→KS0K−π+andD0→KS0K+π−

Author: Anders Ryd, D. L. Kreinick, A. J. Sadoff, G. S. Adams, D. L. Hartill, Ian Shipsey, N. Lowrey, Xin Shi, H. Muramatsu, D. Cinabro, Jonathan L. Rosner, Tomasz Skwarnicki, Karl Matthew Ecklund, D. G. Cassel, M. Kornicer, Z. Metreveli, C. Thomas, Jonas Rademacker, J. Y. Ge, E. H. Thorndike, G. Tatishvili, Werner Sun, James E Wiss, K. W. Edwards, S. W. Gray, Hans J. Vogel, Lei Zhang, T. J. Gershon, P. Rubin, Mark Smith, Sean A Dobbs, G. Bonvicini, J. P. Alexander, Peter Onyisi, C. S. Park, J. Libby, R. A. Briere, D. Riley, David M. Asner, Peng Zhou, Jing Wang, R. E. Mitchell, D. Z. Besson, D. H. Miller, Ting Xiao, V. E. Kuznetsov, B. Xin, Kamal K. Seth, A. Powell, Amiran Tomaradze, S. Ricciardi, L. K. Gibbons, D. R. Johnson, R. Ehrlich, Mats A Selen, S. Malde, J. Napolitano, G. Wilkinson, S. Blusk, Souvik Das, Juliet Ritchie Patterson, John Yelton, J. Hietala, D. Cronin-Hennessy, Marina Artuso, K. Randrianarivony, L. J. Pearson, T. K. Pedlar, J. Insler, L. Martin, R. Mountain, D. Peterson, Sheldon Stone, S. Mehrabyan, and P. Naik
Subjects: Combinatorics, Physics, Nuclear and High Energy Physics, Coherence factor, Meson, 010308 nuclear & particles physics, Branching fraction, Partial wave analysis, 0103 physical sciences, 010306 general physics, 01 natural sciences
Abstract: The first measurements of the coherence factor ${R}_{{K}_{S}^{0}K\ensuremath{\pi}}$ and the average strong-phase difference ${\ensuremath{\delta}}_{D}^{{K}_{S}^{0}K\ensuremath{\pi}}$ in ${D}^{0}\ensuremath{\rightarrow}{K}_{S}^{0}{K}^{\ensuremath{\mp}}{\ensuremath{\pi}}^{\ifmmode\pm\else\textpm\fi{}}$ decays are reported. These parameters can be used to improve the determination of the unitary triangle angle $\ensuremath{\gamma}$ in ${B}^{\ensuremath{-}}\ensuremath{\rightarrow}\stackrel{\texttildelow{}}{D}{K}^{\ensuremath{-}}$ decays, where $\stackrel{\texttildelow{}}{D}$ is either a ${D}^{0}$ or a ${\overline{D}}^{0}$ meson decaying to the same final state, and also in studies of charm mixing. The measurements of the coherence factor and strong-phase difference are made using quantum-correlated, fully reconstructed ${D}^{0}{\overline{D}}^{0}$ pairs produced in ${e}^{+}{e}^{\ensuremath{-}}$ collisions at the $\ensuremath{\psi}(3770)$ resonance. The measured values are ${R}_{{K}_{S}^{0}K\ensuremath{\pi}}=0.73\ifmmode\pm\else\textpm\fi{}0.08$ and ${\ensuremath{\delta}}_{D}^{{K}_{S}^{0}K\ensuremath{\pi}}=(8.3\ifmmode\pm\else\textpm\fi{}15.2)\ifmmode^\circ\else\textdegree\fi{}$ for an unrestricted kinematic region and ${R}_{{K}^{*}K}=1.00\ifmmode\pm\else\textpm\fi{}0.16$ and ${\ensuremath{\delta}}_{D}^{{K}^{*}K}=(26.5\ifmmode\pm\else\textpm\fi{}15.8)\ifmmode^\circ\else\textdegree\fi{}$ for a region where the combined ${K}_{S}^{0}{\ensuremath{\pi}}^{\ifmmode\pm\else\textpm\fi{}}$ invariant mass is within $100\text{ }\text{ }\mathrm{MeV}/{c}^{2}$ of the ${K}^{*}(892{)}^{\ifmmode\pm\else\textpm\fi{}}$ mass. These results indicate a significant level of coherence in the decay. In addition, isobar models are presented for the two decays, which show the dominance of the ${K}^{*}(892{)}^{\ifmmode\pm\else\textpm\fi{}}$ resonance. The branching ratio $\mathcal{B}({D}^{0}\ensuremath{\rightarrow}{K}_{S}^{0}{K}^{+}{\ensuremath{\pi}}^{\ensuremath{-}})/\phantom{\rule{0ex}{0ex}}\mathcal{B}({D}^{0}\ensuremath{\rightarrow}{K}_{S}^{0}{K}^{\ensuremath{-}}{\ensuremath{\pi}}^{+})$ is determined to be $0.592\ifmmode\pm\else\textpm\fi{}0.044(\mathrm{stat})\ifmmode\pm\else\textpm\fi{}0.018(\mathrm{syst})$, which is more precise than previous measurements.
Published: 2012
Full Text: View/download PDF

91. Observation of D1 (2420)+ and D2∗(2460)+

Author: F. Wappler, S. Henderson, C. D. Jones, Y. Kwon, D. S. Crowcroft, J. K. Nelson, B. Geiser, D. Z. Besson, R. Mountain, M. Goldberg, Jungil Lee, W. S. Brower, D. Cinabro, K. K. Gan, Anders Ryd, M. Athanas, G. Crawford, D. H. Miller, S. Patton, P. Pomianowski, P. Zadorozhny, F. Muheim, M. Lohner, T. Liu, J. Masui, B. Spaan, Vivek Jain, Ilya Kravchenko, H. Kagan, S. Salman, C. Bebek, Kenneth Bloom, P. Gaidarev, Michael Wood, K. Lingel, X. Fu, J. W. Hinson, N. Katayama, J. Urheim, D. G. Cassel, Ian Shipsey, D. He, A. P. Freyberger, G. Eigen, R. Davis, Ha Lam, B. C. Barish, Daniel Johnson, S. Nakanishi, E. H. Thorndike, B. Ong, A. H. Mahmood, T. E. Browder, Z. Ling, George D Gollin, R. J. Morrison, S. Playfer, P. S. Drell, Mats A Selen, D. Coppage, D. L. Kreinick, D. J. Dumas, Alain Bellerive, T. Miao, S. E. Csorna, A. J. Sadoff, N. Copty, Jorge Luis Rodriguez, M. Saulnier, S. Kotov, J. P. Alexander, Sheldon Stone, Paul Avery, Karl Berkelman, K. Kinoshita, B. I. Eisenstein, K. Cho, M. L. Kelly, P. Skubic, S. Roberts, P. M. Patel, B. Nemati, J. Fast, F. Butler, N. B. Mistry, L. Gibbons, M. Battle, J. J. Thaler, J. Gronberg, S. W. Gray, N. Horwitz, B. Gittelman, M. Ogg, D. B. MacFarlane, A. J. Weinstein, D. Riley, G. C. Moneti, Christopher G. White, M. S. Alam, M. Chadha, M. Modesitt, Maurice Garcia-Sciveres, R. Ammar, R. Malchow, I. J. Kim, J. Mevissen, H. N. Nelson, C. M. Daubenmier, Ryszard Stroynowski, J. Bartelt, J. Kandaswamy, T. K. Nelson, H. Severini, S. Chan, J. Ernst, G. Zhu, X. Xing, M. Sung, M. Momayezi, H. Tajima, M. Sapper, C. O'Grady, E. I. Shibata, John Yelton, M. Lambrecht, P. Rankin, E. R.F. Hyatt, M. Lattery, J. G. Smith, Alice Bean, D. Peterson, M. Gao, C. R. Sun, W. T. Ford, H. P. Paar, R. Fulton, N. Kwak, R. Kutschke, M. Bishai, D. Fujino, J. J. O'Neill, Yuichi Kubota, M. M. Zoeller, R. D. Kass, R. Balest, Chunjie Wang, K. Honscheid, W. R. Ross, Richard Wilson, D. Gibaut, S. Menary, Dave Britton, R. L. McIlwain, E. Gerndt, I. Volobouev, Shengfeng Yang, Yurii V. Mukhin, K. W. Edwards, V. Shelkov, S. Schrenk, S. Sanghera, Z. Egyed, T. Skwarnicki, P. C. Kim, E. Nordberg, Jeffrey Richman, D. F. Cowen, D. Sperka, G. S. Ludwig, Ruifang Wang, N. Hancock, T. Bergfeld, C. Qiao, Pu Wang, Marina Artuso, H. Yamamoto, M.A. Palmer, J. S. Miller, R. Ehrlich, S. L. Jones, J. Dominick, V. Savinov, Yoram Rozen, F. Würthwein, Philip Baringer, D. Payne, H. A. Cho, D. L. Hartill, R. Poling, C. R. Ng, D. M. Coffman, Michael S. Witherell, B. K. Heltsley, G. Wei, G. Masek, and Juliet Ritchie Patterson
Subjects: Nuclear physics, Physics, Nuclear and High Energy Physics, Electron–positron annihilation, Isospin, State (functional analysis)
Abstract: Using the CLEO II detector at CESR, we have observed two charmed states, where the higher mass state decays to D0π+ and to D ∗0 π + , while the lower mass state decays to D ∗0 π + , but not to D0π+. The masses and widths were measured to be 2425±2±2 MeV/c2 and 26−7−4+8+4 MeV/c2 for the lower mass state, and 2463±3±3 MeV/c2 and 27−8−5+11+5 MeV/c2 for the higher mass state. Properties of these states, including their decay angular distributions and spin-parity assignments have been studied. The results of this analysis support the identification of these states as the charged L = 1 D 1 (2420) + and D 2 ∗ (2460) + , respectively. The isospin mass splittings between these states and their neutral partners have also been measured. This is the first full reconstruction of any decay mode of the D1 (2420)+ and the first observation of the decay of D 2 ∗ (2460) + to D ∗0 π + .
Published: 1994
Full Text: View/download PDF

92. Measurement of the cross section for γγ→pp¯

Author: J. Whitmore, K. Lingel, C. Bebek, Jungil Lee, M. Sivertz, T. E. Browder, Robert Wilson, David Sperka, H. Tajima, R. Ehrlich, J. S. Miller, S. L. Jones, H. Worden, M. Thulasidas, H. A. Cho, M. Kelly, D. G. Cassel, J. Dominick, Sheldon Stone, J. Mevissen, V. Shelkov, K. Sparks, S. J. Patton, Paul Avery, D. Cinabro, R. Kennett, Yoram Rozen, J. Kandaswamy, N. Horwitz, J. Masui, M. Chadha, Philip Baringer, S. Ball, V. Savinov, Cong Wang, Shengfeng Yang, J. A. Ernst, B. Gittelman, C. R. Ng, Shawn W. Henderson, Michael S. Witherell, J. Gronberg, H. P. Paar, R. Fulton, D. Peterson, X. Fu, Daniela Bortoletto, M. S. Alam, D. F. Cowen, M.K. Sung, I. J. Kim, D. H. Miller, J. Urheim, N. Katayama, Marina Artuso, R. Poling, D. S. Akerib, E. H. Thorndike, N. Hancock, Y. Skovpen, R. Davis, John Yelton, John E. Bartelt, G.R. Kalbfleisch, Robert K. Kutschke, G. Eigen, D. Z. Besson, P. Zadorozhny, R. L. Malchow, Christopher G. White, D. Coppage, Karl Berkelman, B. Ong, M. Daoudi, J. P. Alexander, M. Garcia-Sciveres, F. Muheim, D. L. Hartill, C. R. Sun, W. T. Ford, S. Sanghera, Pu Wang, J. L. Rodriguez, M. Sapper, S. Roberts, R. D. Kass, Anders Ryd, M. Athanas, R. Stephens, E. Nordberg, S. E. Csorna, Darin Acosta, Daniel Schmidt, G. S. Ludwig, D. R. Johnson, R. Balest, Frank Würthwein, Vipul Jain, K. Cho, G. Vasseur, J. Fast, B. Geiser, N. B. Mistry, F. Butler, B. Nemati, S. Schrenk, K. Kinoshita, R. S. Galik, N. Copty, Ryszard Stroynowski, W. R. Ross, D. Fujino, K. Honscheid, D. He, N. Kwak, G. Masek, Juliet Ritchie Patterson, P. Skubic, S. Nakanishi, T. Liu, M. Modesitt, E. I. Shibata, C. O'Grady, P. Rankin, Glen D. Crawford, Alice Bean, M. Procario, R. L. McIlwain, H. Kagan, M. Battle, H. N. Nelson, A. P. Freyberger, F. Shen, Horst Severini, A. J.R. Weinstein, S. Playfer, Ha Lam, J. D. Richman, M. Ogg, D. Riley, M. Lohner, J. J. O'Neill, R. J. Morrison, G. Zhu, Hubert Kroha, Mats A Selen, T. Miao, A. J. Sadoff, D. M. Coffman, M. Lattery, B. C. Barish, B. K. Heltsley, J. Snow, Paul Sheldon, Yuichi Kubota, H. Yamamoto, R. Ammar, P. L. Wang, T. K. Nelson, R. Wang, P. S. Drell, S. Chan, M. Saulnier, F. Morrow, Z. Egyed, Igor Volobouev, M. M. Zoeller, P. Wilson, K. K. Gan, T. Skwarnicki, P. C. Kim, S. Menary, M. Goldberg, G. C. Moneti, S.F. Schaffner, Yurii V. Mukhin, S. W. Gray, D. Perticone, M. Lambrecht, D. N. Brown, I. P. J. Shipsey, S. Salman, Janice Nelson, C. D. Jones, Michael Wood, J. G. Smith, C. M. Daubenmier, and D. L. Kreinick
Subjects: Nuclear physics, Physics, Cross section (physics), Particle physics
Published: 1994
Full Text: View/download PDF

93. Measurement of the ratios of form factors in the decay Ds+ → φe+ve

Author: D. M. Coffman, B. K. Heltsley, B. Geiser, K. Cho, N. B. Mistry, D. He, R. J. Morrison, Mats A Selen, A. J. Sadoff, T. E. Browder, M. Lohner, V. Savinov, Yoram Rozen, F. Würthwein, J. Masui, D. Cinabro, D. Fujino, S. Sanghera, R. Davis, George D Gollin, J. J. O'Neill, Alice Bean, B. Spaan, D. Gibaut, T. Skwarnicki, N. Hancock, J. K. Nelson, M. Momayezi, Yurii V. Mukhin, R. Kutschke, S. Patton, Philip Baringer, Xiangjun Xing, P. C. Kim, D. S. Crowcroft, Sheldon Stone, Paul Avery, P. Skubic, M. Sapper, R. Mountain, M. Sung, Anders Ryd, P. S. Drell, J. Mevissen, Vivek Jain, M. Athanas, Pu Wang, J. Kandaswamy, Jorge Luis Rodriguez, Shawn W. Henderson, N. Copty, Y. Kwon, T. K. Nelson, Daniel Johnson, M. Saulnier, G. Masek, Juliet Ritchie Patterson, G. C. Moneti, C. Qiao, R. Ehrlich, G. Crawford, Shengfeng Yang, M. L. Kelly, Z. Ling, Marina Artuso, D. Z. Besson, M. M. Zoeller, J. Urheim, D. H. Miller, S. W. Gray, Jon J Thaler, E. I. Shibata, I. P.J. Shipsey, D. Peterson, M. Modesitt, C. R. Sun, W. T. Ford, R. D. Kass, D. B. MacFarlane, S. L. Jones, R. Balest, P. Gaidarev, B. Nemati, Maurice Garcia-Sciveres, G. Zhu, K. K. Gan, S. Kotov, Y. Skovpen, A. J. Weinstein, X. Fu, D. L. Kreinick, B. Gittelman, M. S. Alam, D. J. Dumas, J. Dominick, F. Butler, D. F. Cowen, S. Nakanishi, E. H. Thorndike, R. Malchow, H. N. Nelson, T. Liu, H. Hagan, J. Ernst, I. J. Kim, J. G. Smith, W. R. Ross, F. R. Wappler, E. Gerndt, K. W. Edwards, Karl Berkelman, D. G. Cassel, Jungil Lee, John Yelton, M. Lambrecht, D. Coppage, J. S. Miller, C. Bebek, L. Gibbons, S. Roberts, C. D. Jones, E. R.F. Hyatt, Kenneth Bloom, M. Lattery, T. Miao, M. Battle, I. Volobouev, W. S. Brower, A. H. Mahmood, N. Katayama, J. Gronberg, P. Pomianowski, D. Payne, J. P. Alexander, H. A. Cho, Richard Wilson, S. E. Csorna, A. P. Freyberger, N. Horwitz, Z. Egyed, M. Chadha, N. Kwak, R. Ammar, K. Honscheid, M. Bishai, Ilya Kravchenko, S. Salman, G. Eigen, Michael Wood, M. Gao, H. P. Paar, R. Fulton, H. Tajima, M. Ogg, H. Severini, B. I. Eisenstein, M.A. Palmer, M. Goldberg, S. Chan, D. L. Hartill, D. Sperka, R. Poling, S. Menary, Dave Britton, C. O'Grady, C. M. Daubenmier, C. R. Ng, Ryszard Stroynowski, R. L. McIlwain, E. Nordberg, Jeffrey Richman, V. Shelkov, S. Schrenk, K. Kinoshita, Michael S. Witherell, G. S. Ludwig, P. Zadorozhny, F. Muheim, K. Lingel, P. Rankin, Ruifang Wang, Ha Lam, S. Playfer, T. Bergfeld, D. Riley, Chunjie Wang, B. C. Barish, G. Wei, H. Yamamoto, J. Bartelt, B. Ong, Yuichi Kubota, J. Fast, Christopher G. White, Alain Bellerive, and P. M. Patel
Subjects: Nuclear physics, Physics, Nuclear and High Energy Physics, Detector, Form factor (quantum field theory), Atomic physics, Pseudovector, Sample (graphics)
Abstract: The dynamics of the decay D s + → φe + v e are studied using a sample of 474 events recorded by the CLEO II detector. A three dimensional fit to the decay angles and q 2 is performed to extract the ratios of form factors R 2 = A 2 (0)/ A 1 (0) and R v = V (0 )/ A 1 (0), where A 1 (0) and A 2 (0) are the two axial vector form factors and V (0) is the vector form factor evaluated at q 2 =0. By assuming the single pole parameterization for the form factors, we obtain: R 2 =1.4±0.5±0.3 and R v =0.9±0.6±0.3.
Published: 1994
Full Text: View/download PDF

94. Observation of InclusiveBDecays to the Charmed BaryonsΣc++andΣc0

Author: D. G. Cassel, Ron Poling, Daniel Schmidt, Kenneth Bloom, P.M. Patel, J. Mevissen, J. Kandaswamy, N. Katayama, D. S. Akerib, T. K. Nelson, G. Eigen, D. Peterson, G. Crawford, B. I. Eisenstein, D. B. MacFarlane, A. J. Weinstein, H. N. Nelson, D. L. Kreinick, P. Baringer, M. L. Kelly, S. W. Gray, Ha Lam, H. Kagan, S. Roberts, J. Urheim, H. P. Paar, R. Fulton, N. Kwak, J. K. Nelson, T. Liu, C. Bebek, Richard Wilson, D. He, E. Nordberg, Jeffrey Richman, G. S. Ludwig, M. Battle, W. R. Ross, P. S. Drell, G. Vasseur, C. Qiao, Jorge Luis Rodriguez, R. Mountain, B. Nemati, F. Morrow, A. P. Freyberger, George R. Kalbfleisch, M. Procario, M. Saulnier, T. E. Browder, R. Davis, I. Volobouev, H. Yamamoto, Shengfeng Yang, B. C. Barish, S. Menary, Dave Britton, R. L. McIlwain, R. Ammar, J. Masui, V. Shelkov, S. Schrenk, D. F. Cowen, Maurice Garcia-Sciveres, George D Gollin, S. Salman, Karl Berkelman, R. J. Morrison, Mats A Selen, A. J. Sadoff, Michael Wood, R. Stephens, Vivek Jain, S. E. Csorna, Alice Bean, Y. Kwon, G. C. Moneti, M. S. Alam, R. Kennett, B. Gittelman, J. Ernst, H. Severini, S. Chan, P. Skubic, J. Snow, J. S. Miller, D. Riley, Anders Ryd, M. Athanas, D. Z. Besson, D. M. Coffman, M. Modesitt, M. Daoudi, K. Cho, S. Sanghera, B. K. Heltsley, M. Thulasidas, I. J. Kim, E. R.F. Hyatt, M. Lattery, R. Kutschke, C. M. Daubenmier, N. B. Mistry, Ryszard Stroynowski, N. Hancock, M.A. Palmer, F. Butler, J. Bartelt, I. P.J. Shipsey, C. D. Jones, K. K. Gan, Sheldon Stone, P. Zadorozhny, F. Muheim, K. Kinoshita, C. O'Grady, Paul Avery, E. I. Shibata, J. G. Smith, P. Rankin, Y. Skovpen, R. Malchow, John Yelton, M. Lambrecht, J. J. Thaler, M. Goldberg, R. Ehrlich, D. N. Brown, Marina Artuso, Chunjie Wang, D. Cinabro, S. Playfer, Yuichi Kubota, S. L. Jones, J. Gronberg, N. Horwitz, M. Chadha, J. Dominick, D. Perticone, V. Savinov, S. Patton, M. Sapper, C. R. Sun, Yoram Rozen, F. Würthwein, W. T. Ford, R. D. Kass, G. Zhu, R. Balest, S. Ball, D. Acosta, M. Sung, H. Tajima, Daniel Johnson, T. Skwarnicki, D. Fujino, P. C. Kim, J. J. O'Neill, S. Henderson, D. H. Miller, X. Fu, B. Geiser, Pu Wang, Jungil Lee, Yurii V. Mukhin, M. M. Zoeller, S. Nakanishi, E. H. Thorndike, D. Coppage, J. P. Alexander, M. Lohner, T. Miao, M. Ogg, R. S. Galik, K. W. Edwards, Z. Egyed, D. Sperka, Ruifang Wang, T. Bergfeld, P. L. Wang, B. Ong, J. Fast, Christopher G. White, D. Payne, H. A. Cho, D. L. Hartill, C. R. Ng, Michael S. Witherell, N. Copty, K. Honscheid, G. Wei, G. Masek, Juliet Ritchie Patterson, and K. Lingel
Subjects: Physics, Charmed baryons, Stereochemistry, TheoryofComputation_ANALYSISOFALGORITHMSANDPROBLEMCOMPLEXITY, General Physics and Astronomy, Cornell Electron Storage Ring, Atomic physics
Abstract: Using data collected in the region of the [Upsilon](4[ital S]) resonance with the CLEO II detector operating at the Cornell Electron Storage Ring, we report on evidence for the production of [Sigma][sub [ital c]][sup ++] and [Sigma][sub [ital e]][sup 0] baryons in [ital B] decays, with [Sigma][sub [ital c]][r arrow][Lambda][sub [ital c]][sup +][pi]. This observation is based on 77[plus minus]19[Sigma][sub [ital c]][sup ++] and 76[plus minus]21[Sigma][sub [ital c]][sup 0] candidates from [ital B] decays. We find the product branching fractions [ital scrB]([ital [bar B]][r arrow][Sigma][sub [ital c]][ital X])[ital scrB]([Lambda][sub [ital c]][sup +][r arrow][ital pK][sup [minus]][pi][sup +]) for [Sigma][sub [ital c]]=[Sigma][sub [ital c]][sup ++], [Sigma][sub [ital c]][sup 0], and [Sigma][sub [ital c]][sup +] to be (2.1[plus minus]0.8[plus minus]0.7)[times]10[sup [minus]4], (2.3[plus minus]0.8[plus minus]0.7)[times]10[sup [minus]4], and less than 4.8[times]10[sup [minus]4] at 90% confidence level, respectively. A study of the [Sigma][sub [ital c]][sup ++] and [Sigma][sub [ital c]][sup 0] momentum spectra indicates that [ital B] decays to two-body final states with [Sigma][sub [ital c]] are suppressed.
Published: 1994
Full Text: View/download PDF

95. Measurement of Cabibbo-Suppressed Decays of theτLepton

Author: F. Butler, R. Malchow, D. M. Coffman, John Yelton, M. Lambrecht, P. Gaiderev, B. K. Heltsley, G. C. Moneti, C. M. Daubenmier, Ryszard Stroynowski, Barry C. Barish, C. D. Jones, N. Kwak, E. I. Shibata, M. Sapper, S. Menary, Dave Britton, R. L. McIlwain, P. S. Drell, Jorge Luis Rodriguez, V. Shelkov, S. Schrenk, P. Rankin, G. D. Gollin, M. Saulnier, D. Payne, H. A. Cho, D. Fujino, P. M. Patel, J. S. Miller, M. Goldberg, J. J. O'Neill, B. Nemati, M. Thulasidas, D. Riley, R. Kennett, R. Ammar, Chunjie Wang, D. He, Pu Wang, D. H. Miller, Y. Kwon, T. E. Browder, G. Crawford, H. Kagan, D. Cinabro, N. Copty, W. R. Ross, B. Gittelman, H. Yamamoto, Maurice Garcia-Sciveres, P. L. Wang, J. Bartelt, D. Z. Besson, Jungil Lee, H. Severini, S. Chan, R. Davis, M. Daoudi, B. Ong, R. Ehrlich, I. P.J. Shipsey, Ha Lam, I. Volobouev, S. Patton, C. O'Grady, K. K. Gan, M. L. Kelly, J. Fast, D. G. Cassel, Christopher G. White, Y. Skovpen, S. L. Jones, P. Skubic, X. Fu, G. Vasseur, Yuichi Kubota, S. W. Gray, R. J. Morrison, I. J. Kim, H. Tajima, Marina Artuso, J. Dominick, D. Acosta, K. W. Edwards, Mats A Selen, Z. Egyed, Daniel Johnson, M. Procario, D. Perticone, V. Savinov, D. Sperka, Ruifang Wang, Shengfeng Yang, A. J. Sadoff, Richard Wilson, Yoram Rozen, F. Würthwein, T. Bergfeld, J. Masui, Philip Baringer, D. L. Kreinick, S. Salman, S. Ball, K. Honscheid, D. F. Cowen, B. I. Eisenstein, M. M. Zoeller, Michael Wood, J. Urheim, B. Geiser, C. R. Sun, W. T. Ford, Vivek Jain, M. Modesitt, J. K. Nelson, T. Liu, R. D. Kass, R. Balest, T. Miao, R. Mountain, D. L. Hartill, J. G. Smith, Jon J Thaler, K. Cho, M.A. Palmer, C. Bebek, Sheldon Stone, Paul Avery, R. Poling, N. B. Mistry, S. Roberts, M. Battle, C. R. Ng, M. Lohner, A. P. Freyberger, J. Mevissen, J. Kandaswamy, George R. Kalbfleisch, Michael S. Witherell, D. Peterson, J. Snow, G. Zhu, G. Masek, Juliet Ritchie Patterson, T. Skwarnicki, P. C. Kim, S. Henderson, T. K. Nelson, S. Sanghera, N. Hancock, G. Wei, K. Lingel, M. Sivertz, Alice Bean, H. P. Paar, R. Fulton, R. Kutschke, M. S. Alam, J. Ernst, E. R.F. Hyatt, M. Lattery, P. Zadorozhny, F. Muheim, D. N. Brown, S. Playfer, C. Qiao, E. Nordberg, Jeffrey Richman, Kenneth Bloom, S. Nakanishi, E. H. Thorndike, G. S. Ludwig, N. Katayama, D. B. MacFarlane, D. S. Akerib, A. J. Weinstein, D. Coppage, J. P. Alexander, G. Eigen, H. N. Nelson, M. Ogg, R. S. Galik, Y. Muheim, J. Gronberg, N. Horwitz, M. Chadha, M. Sung, R. Stephens, S. E. Csorna, Karl Berkelman, K. Kinoshita, Anders Ryd, and M. Athanas
Subjects: Physics, Semileptonic decay, High Energy Physics - Phenomenology, Particle decay, Particle physics, Meson, Branching fraction, Electron–positron annihilation, Hadron, General Physics and Astronomy, Elementary particle, Cornell Electron Storage Ring, High Energy Physics - Experiment
Abstract: Branching ratios for the dominant Cabibbo-suppressed decays of the $\tau$ lepton have been measured by CLEO~II in $e^+ e^-$ annihilation at CESR ($\sqrt{s} \sim 10.6$~GeV) using kaons with momenta below $0.7\ \rm GeV/c$. The inclusive branching ratio into one charged kaon is $(1.60 \pm 0.12 \pm 0.19)\%$. For the exclusive decays, $B(\tau \to K^-) = (0.66 \pm 0.07 \pm 0.09)\%$, $B(\tau \to K^- \pi^0) = (0.51 \pm 0.10 \pm 0.07)\%$, and, based on three events, $B(\tau \to K^- \pi^0 \pi^0) < 0.3\%$ at the 90\% confidence level. These represent significant improvements over previous results. $B(\tau\to K^- \pi^0)$ is measured for the first time with exclusive $\pi^0$ reconstruction., Comment: 11 pages uuencoded compressed postscript (process with uudecode then gunzip). hardcopies with figures can be obtained by sending mail to: preprints@lns62.lns.cornell.edu
Published: 1994
Full Text: View/download PDF

96. Study of the five-charged-pion decay of the τ lepton

Author: J. J. Thaler, Anders Ryd, M. Athanas, N. Hancock, D. R. Johnson, J. Urheim, T. K. Nelson, B. Nemati, M. Battle, A. J.R. Weinstein, R. Ammar, G. Vasseur, Igor Volobouev, M. M. Zoeller, E. H. Thorndike, R. Stephens, M. Sapper, S. E. Csorna, D. Cinabro, R. Kennett, S. Chan, Shawn W. Henderson, K. Lingel, D. Coppage, F. Butler, X. Fu, J. P. Alexander, B. Gittelman, S. Schrenk, S. Roberts, T. Liu, M. Modesitt, H. A. Cho, K. Kinoshita, N. Kwak, John E. Bartelt, Cong Wang, M. Garcia-Sciveres, G.R. Kalbfleisch, W. R. Ross, Y. J. Kwon, K. Honscheid, D. Riley, H. Yamamoto, S. Sanghera, Pu Wang, I. J. Kim, N. Horwitz, M. Chadha, Darin Acosta, A. P. Freyberger, S. Menary, E.R.F. Hyatt, K. W. Edwards, R. J. Wilson, Vipul Jain, J. Masui, R. Wang, James E. Fast, D. G. Cassel, Dave Britton, R. S. Galik, John Yelton, D. Z. Besson, C. R. Ng, R. L. McIlwain, Yurii V. Mukhin, P. Skubic, D. H. Miller, D. L. Kreinick, C. Bebek, D. L. Hartill, T. Miao, Ryszard Stroynowski, D. Fujino, M. Daoudi, T. E. Browder, R. L. Malchow, Michael S. Witherell, M.K. Sung, F. Muheim, M.A. Palmer, P. Gaidarev, R. Poling, Robert K. Kutschke, David Sperka, J. Dominick, Christopher G. White, V.G. Shelkov, D. S. Crowcroft, Alice Bean, Yuichi Kubota, V. Savinov, Karl Berkelman, N. Copty, D. He, Barry C. Barish, C. R. Sun, P. Rankin, E. I. Shibata, W. T. Ford, R. D. Kass, D. B. MacFarlane, Ha Lam, J. D. Richman, R. Balest, P. S. Drell, Y. I. Skovpen, C. Qiao, B. Spaan, B. I. Eisenstein, Glen D. Crawford, D. M. Coffman, R. Davis, H. Kagan, G. Masek, Juliet Ritchie Patterson, George D Gollin, H. N. Nelson, M. Lattery, S. Kotov, B. Ong, B. K. Heltsley, M. Saulnier, J. L. Rodriguez, Alain Bellerive, P. M. Patel, L. K. Gibbons, S. Playfer, C. P. O'Grady, Jungil Lee, Frank Würthwein, K. Cho, M. Procario, Shengfeng Yang, J. Gronberg, R. Mountain, B. Geiser, H. P. Paar, R. Fulton, N. B. Mistry, Horst Severini, M. S. Alam, S. Nakanishi, D. F. Cowen, R. J. Morrison, Mats A Selen, M. Kelly, J. Mevissen, J. Kandaswamy, Sheldon Stone, M. Lohner, G. Wei, J. J. O'Neill, A. J. Sadoff, E. Nordberg, Paul Avery, J. A. Ernst, G. S. Ludwig, Z. Egyed, D. Peterson, T. Bergfeld, Kenneth Bloom, Yoram Rozen, N. Katayama, G. Eigen, D. Gibaut, Philip Baringer, S. J. Patton, S. Ball, Xiangjun Xing, H. Tajima, Marina Artuso, P. Zadorozhny, R. Ehrlich, S. L. Jones, K. K. Gan, T. Skwarnicki, P. C. Kim, M. Goldberg, G. C. Moneti, J. S. Miller, M. Ogg, M. Thulasidas, G. Zhu, D. J. Payne, M. Momayezi, S. W. Gray, D. Perticone, M. Lambrecht, I. P. J. Shipsey, Ilya Kravchenko, S. Salman, Janice Nelson, C. D. Jones, Michael Wood, J. G. Smith, and C. M. Daubenmier
Subjects: Semileptonic decay, Physics, Crystallography, Particle physics, Particle decay, Pion, Meson, Branching fraction, TheoryofComputation_ANALYSISOFALGORITHMSANDPROBLEMCOMPLEXITY, General Physics and Astronomy, Cornell Electron Storage Ring, Lepton
Abstract: The branching fractions for the five-charged-particle decays of the [tau] lepton have been measured in [ital e][sup +][ital e][sup [minus]] annihilations using the CLEO II detector at the Cornell Electron Storage Ring. Assuming all charged particles to be pions, the results are [ital B](3[pi][sup [minus]]2[pi][sup +][ge]0 neutrals [nu][sub [tau]])=(0.097[plus minus]0.005[plus minus]0.011)%, [ital B](3[pi][sup [minus]]2[pi][sup +][nu][sub [tau]])=(0.077[plus minus]0.005 [plus minus]0.009)%, [ital B](3[pi][sup [minus]]2[pi][sup +][pi][sup 0][nu][sub [tau]])=(0.019[plus minus]0.004[plus minus]0.004)%, and [ital B](3[pi][sup [minus]]2[pi][sup +]2[pi][sup 0][nu][sub [tau]])[lt]0.011% at the 90% C.L. [ital B](3[pi][sup [minus]]2[pi][sup [minus]][pi][sup 0][nu][sub [tau]]) is measured for the first time by exclusive [pi][sup 0] reconstruction. The results are compared with the predictions from the partially conserved-axial-current and conserved-vector-current hypotheses assuming isospin invariance.
Published: 1994
Full Text: View/download PDF

97. Precision measurement of theDs*+-Ds+mass difference

Author: Jungil Lee, D. L. Hartill, S. Roberts, K. Honscheid, N. Copty, E. H. Thorndike, E.R.F. Hyatt, Glen D. Crawford, D. Coppage, J. P. Alexander, K. W. Edwards, D. H. Miller, K. Lingel, T. Liu, M. Modesitt, T. K. Nelson, A. P. Freyberger, D. R. Johnson, J. Snow, Robert Wilson, R. Ammar, Cong Wang, S. Chan, Anders Ryd, M. Athanas, P. S. Drell, G. Vasseur, M. Garcia-Sciveres, S. J. Patton, John Yelton, Igor Volobouev, M. M. Zoeller, G. Wei, D. Z. Besson, M. Daoudi, M. Saulnier, H. Kagan, P. Skubic, Vipul Jain, J. Urheim, Yoram Rozen, S. Schrenk, M. Lambrecht, S. Playfer, C. P. O'Grady, M. S. Alam, Z. Egyed, D. Cinabro, R. Kennett, Ha Lam, Marina Artuso, Philip Baringer, R. J. Morrison, R. Stephens, S. E. Csorna, P. Zadorozhny, D. N. Brown, David Sperka, S. Ball, S. Sanghera, Pu Wang, Darin Acosta, D. He, Shawn W. Henderson, J. D. Richman, B. Gittelman, X. Fu, E. I. Shibata, Ryszard Stroynowski, D. Fujino, Robert K. Kutschke, Mats A Selen, A. J. Sadoff, R. Mountain, H. Tajima, I. P. J. Shipsey, F. Butler, B. Nemati, H. A. Cho, I. J. Kim, S. Salman, K. Kinoshita, Janice Nelson, C. D. Jones, T. Bergfeld, Michael Wood, Y. J. Kwon, Karl Berkelman, S. Menary, Y. I. Skovpen, P. Rankin, R. Ehrlich, H. Yamamoto, John E. Bartelt, G.R. Kalbfleisch, M. Lattery, J. L. Rodriguez, B. Ong, B. C. Barish, C. Qiao, D. G. Cassel, N. Kwak, J. Masui, S. L. Jones, R. Davis, Frank Würthwein, George D Gollin, D. J. Payne, M. Battle, R. Wang, S. Nakanishi, K. Cho, D. Peritcone, J. Gronberg, A. J.R. Weinstein, P. Gaiderev, N. Horwitz, M. Chadha, T. Miao, N. B. Mistry, J. S. Miller, R. Poling, H. P. Paar, R. Fulton, B. Geiser, James E. Fast, M. Thulasidas, Dave Britton, R. L. McIlwain, P. M. Patel, F. Muheim, P. L. Wang, J. J. Thaler, N. Hancock, R. L. Malchow, Christopher G. White, D. Riley, Shengfeng Yang, W. R. Ross, E. Nordberg, B. I. Eisenstein, G. S. Ludwig, M. Lohner, S. W. Gray, D. M. Coffman, D. F. Cowen, D. B. MacFarlane, J. J. O'Neill, M. Sapper, C. R. Sun, W. T. Ford, M.A. Palmer, H. N. Nelson, Yuichi Kubota, V.G. Shelkov, R. D. Kass, Yurii V. Mukhin, R. Balest, M. Kelly, J. Mevissen, J. G. Smith, J. Kandaswamy, C. M. Daubenmier, B. K. Heltsley, J. A. Ernst, D. Peterson, C. R. Ng, Sheldon Stone, Paul Avery, Michael S. Witherell, M.K. Sung, G. Masek, Juliet Ritchie Patterson, M. Procario, Horst Severini, D. L. Kreinick, C. Bebek, T. E. Browder, J. Dominick, V. Savinov, K. K. Gan, T. Skwarnicki, P. C. Kim, M. Goldberg, G. C. Moneti, M. Ogg, G. Zhu, Kenneth Bloom, N. Katayama, D. S. Akerib, G. Eigen, and Alice Bean
Subjects: Nuclear physics, Physics, Systematic error, Particle physics, Meson, Electron–positron annihilation, Radiative decay, Measure (mathematics)
Abstract: We have measured the vector-pseudoscalar mass splitting M(D s * + )-M(D s + )=144.22±0.47±0.37 MeV significantly more precisely than the previous world average. We minimize the systematic errors by also measuring the vector-pseudoscalar mass difference M(D* 0 )-M(D 0 ) using the radiative decay D* 0 →D 0 γ, obtaining [M(D s * + )-M(D s + )]-[M(D* 0 )-M(D 0 )] =2.09±0.47±0.37 MeV. This is then combined with our previous high-precision measurement of M(D* 0 )-M(D 0 ), which used the decay D* 0 →D 0 π 0 . We also measure the mass difference M(D s + )-M(D + )=99.5±0.6±0.3 MeV, using the φπ + decay modes of the D s + and D + mesons.
Published: 1994
Full Text: View/download PDF

98. Exclusive hadronicBdecays to charm and charmonium final states

Author: Ian Shipsey, M. Modesitt, A. P. Freyberger, Robert K. Kutschke, H. A. Cho, S. Playfer, C. P. O'Grady, D. B. MacFarlane, Karl Berkelman, J. Snow, H. N. Nelson, R. J. Morrison, Mats A Selen, P. Skubic, A. J. Sadoff, C. R. Ng, N. Horwitz, M. Chadha, D. G. Cassel, Shawn W. Henderson, X. Fu, M.K. Sung, Shengfeng Yang, Harris Kagan, P. S. Drell, J. Gronberg, H. P. Paar, R. Fulton, James E. Fast, D. L. Kreinick, C. Bebek, D. F. Cowen, R. Poling, D. Z. Besson, D. L. Hartill, M. Saulnier, D. J. Payne, Daniel Schmidt, M. Daoudi, P. M. Patel, D. R. Johnson, P. L. Wang, S. J. Patton, W. R. Ross, J. L. Rodriguez, E. Nordberg, N. Hancock, J. Dominick, M. Ogg, G. Zhu, Kenneth Bloom, D. Cinabro, R. Kennett, Younghoon Kwon, G. S. Ludwig, M. Garcia-Sciveres, D. H. Miller, B. I. Eisenstein, V. Savinov, N. Copty, Vipul Jain, J. Urheim, Anders Ryd, K. Lingel, M. Athanas, B. Gittelman, G. Wei, K. Cho, R. Davis, Richard Wilson, Jon J Thaler, N. Katayama, S. Menary, D. S. Akerib, George D Gollin, M. Sapper, Ryszard Stroynowski, D. Fujino, Yurii V. Mukhin, Ha Lam, J. D. Richman, Glen D. Crawford, N. B. Mistry, G. Masek, I. J. Kim, G. Eigen, Z. Egyed, Marina Artuso, P. Rankin, S. Schrenk, Juliet Ritchie Patterson, K. K. Gan, T. Skwarnicki, P. Zadorozhny, Sheldon Stone, Paul Avery, D. M. Coffman, M. S. Alam, F. Ẅrthwein, P. C. Kim, M. Procario, B. K. Heltsley, Cong Wang, B. Nemati, M. Goldberg, T. Bergfeld, K. Honscheid, R. Stephens, S. E. Csorna, John Yelton, S. W. Gray, Horst Severini, G. C. Moneti, Y. I. Skovpen, M. Lattery, F. Butler, E.R.F. Hyatt, B. Ong, D. Riley, K. W. Edwards, R. Mountain, K. Kinoshita, F. Muheim, D. Perticone, T. Miao, N. Kwak, John E. Bartelt, G.R. Kalbfleisch, M. Battle, S. Nakanishi, M. S. Witherell, B. Geiser, A. J.R. Weinstein, M. Lambrecht, D. N. Brown, S. Roberts, Dave Britton, R. L. McIlwain, F. Morrow, Alice Bean, R. Ammar, R. L. Malchow, S. Chan, M. Kelly, S. Salman, Janice Nelson, C. D. Jones, Michael Wood, J. Mevissen, Christopher G. White, Yuichi Kubota, J. Kandaswamy, J. A. Ernst, C. R. Sun, W. T. Ford, R. D. Kass, J. G. Smith, D. Peterson, C. M. Daubenmier, R. Balest, J. Masui, T. K. Nelson, G. Vasseur, Igor Volobouev, M. M. Zoeller, David Sperka, C. Qiao, E. H. Thorndike, D. Coppage, J. P. Alexander, M. Lohner, J. J. O'Neill, D. He, Barry C. Barish, E. I. Shibata, S. Sanghera, Pu Wang, Darin Acosta, Jungil Lee, M.A. Palmer, V.G. Shelkov, Thomas E. Browder, H. Yamamoto, R. Wang, Yoram Rozen, Philip Baringer, S. Ball, J. S. Miller, M. Thulasidas, H. Tajima, R. Ehrlich, S. L. Jones, and T. Liu
Subjects: Physics, Particle physics, Meson, Branching fraction, Electron–positron annihilation, Hadron, FOS: Physical sciences, Elementary particle, Quarkonium, High Energy Physics - Experiment, High Energy Physics - Phenomenology, High Energy Physics - Experiment (hep-ex), Particle decay, High Energy Physics - Phenomenology (hep-ph), TheoryofComputation_ANALYSISOFALGORITHMSANDPROBLEMCOMPLEXITY, High Energy Physics::Experiment, B meson
Abstract: We have fully reconstructed decays of both B0 and B- Mesons into final states containing either D, D*, D**, Psi, Psi', or Chi_{c1} mesons. This allows us to obtain new results on many physics topics including branching ratios, tests of the factorization hypothesis, color suppression, resonant substructure, and the B- - B0 mass difference., Comment: 37 pages. uuencoded compressed postscript (process with uudecode, then gunzip). 31 postscript figures available on request. CLNS-94-1270
Published: 1994
Full Text: View/download PDF

99. Measurement of the branching fractionscrB(τ−→h−→π0ντ)

Author: Robert K. Kutschke, H. Kagan, D. Perticone, D. Riley, M. Lambrecht, David Sperka, Karl Berkelman, Yuichi Kubota, S. Playfer, I. P. J. Shipsey, M. Kelly, S. Roberts, R. Ammar, H. A. Cho, Alain Bellerive, J. Mevissen, P. M. Patel, S. Chan, Ilya Kravchenko, D. H. Miller, S. Salman, Janice Nelson, C. D. Jones, Michael Wood, D. Payne, J. Kandaswamy, K. K. Gan, T. Skwarnicki, P. Gaidarev, R. J. Morrison, C. R. Ng, J. J. Thaler, Mats A Selen, N. Hancock, Y. Skovpen, A. J. Sadoff, Michael S. Witherell, M.K. Sung, P. S. Drell, J. A. Ernst, P. C. Kim, C. Qiao, L. K. Gibbons, N. Horwitz, M. Chadha, John E. Bartelt, D. R. Johnson, N. Kwak, J. Urheim, M. Saulnier, G.R. Kalbfleisch, D. Peterson, G. Masek, Shengfeng Yang, V. Shelkov, Juliet Ritchie Patterson, M. Goldberg, G. C. Moneti, S. Menary, M. Momayezi, T. Liu, M. Sapper, M. Modesitt, B. Nemati, D. Cinabro, R. Kennett, Ha Lam, E. H. Thorndike, J. D. Richman, S. W. Gray, S. Schrenk, B. Gittelman, A. P. Freyberger, M. Battle, Cong Wang, M. Procario, Horst Severini, Anders Ryd, M. Athanas, A. J.R. Weinstein, I. J. Kim, Dave Britton, R. L. McIlwain, D. Coppage, W. R. Ross, John Yelton, M. Lattery, F. Muheim, B. C. Barish, Alice Bean, D. F. Cowen, M. Garcia-Sciveres, Vipul Jain, Sheldon Stone, Y. J. Kwon, J. P. Alexander, J. Masui, T. K. Nelson, Yurii V. Mukhin, D. G. Cassel, D. L. Hartill, Paul Avery, J. G. Smith, Ryszard Stroynowski, D. Fujino, S. Kotov, B. Geiser, C. M. Daubenmier, R. Stephens, S. E. Csorna, Igor Volobouev, M. M. Zoeller, G. Wei, T. Miao, D. S. Crowcroft, J. Fast, P. Rankin, R. L. Malchow, F. Butler, Christopher G. White, R. S. Galik, M. Lohner, N. Copty, M. S. Alam, J. J. O'Neill, R. Poling, K. Kinoshita, Z. Egyed, J. L. Rodriguez, C. R. Sun, W. T. Ford, Frank Würthwein, K. Cho, R. D. Kass, R. Balest, Glen D. Crawford, N. B. Mistry, T. Bergfeld, K. Honscheid, B. I. Eisenstein, B. Ong, E.R.F. Hyatt, R. Davis, B. Spaan, Kenneth Bloom, K. W. Edwards, George D Gollin, M. Ogg, G. Zhu, N. Katayama, S. Nakanishi, G. Eigen, R. Mountain, Robert Wilson, S. J. Patton, Marina Artuso, P. Zadorozhny, H. Yamamoto, R. Wang, M.A. Palmer, Jungil Lee, S. Sanghera, Pu Wang, Darin Acosta, D. He, E. I. Shibata, G. Vasseur, P. Skubic, K. Lingel, M. Sivertz, Yoram Rozen, Shawn W. Henderson, X. Fu, Philip Baringer, S. Ball, Xiangjun Xing, J. S. Miller, C. O'Grady, D. B. MacFarlane, M. Thulasidas, D. Z. Besson, M. Daoudi, H. Tajima, H. N. Nelson, R. Ehrlich, S. L. Jones, J. Gronberg, H. P. Paar, R. Fulton, D. M. Coffman, B. K. Heltsley, E. Nordberg, G. S. Ludwig, D. L. Kreinick, C. Bebek, T. E. Browder, J. Dominick, and V. Savinov
Subjects: Semileptonic decay, Combinatorics, Physics, Particle model, Branching fraction, TheoryofComputation_ANALYSISOFALGORITHMSANDPROBLEMCOMPLEXITY, TheoryofComputation_GENERAL, General Physics and Astronomy, Combined result, Cornell Electron Storage Ring, MathematicsofComputing_DISCRETEMATHEMATICS
Abstract: Using data from the CLEO II detector at the Cornell Electron Storage Ring, we measure [ital scrB]([tau][sup [minus]][r arrow][ital h][sup [minus]][pi][sup 0][nu][sub [tau]]) where [ital h][sup [minus]] refers to either [pi][sup [minus]] or [ital K][sup [minus]]. We use three different methods to measure this branching fraction. The combined result is [ital scrB]([tau][sup [minus]][r arrow][ital h][sup [minus]][pi][sup 0][nu][sub [tau]])=0.2587[plus minus]0.0012[plus minus]0.0042, in good agreement with standard model predictions.
Published: 1994
Full Text: View/download PDF

100. Measurement of the branching fraction forD+→K−π+π+

Author: W. R. Ross, D. Cinabro, R. Kennett, H. Yamamoto, B. Gittelman, J. Gronberg, I. J. Kim, M. S. Alam, H. P. Paar, R. Fulton, S. J. Patton, R. Wang, R. L. Malchow, Christopher G. White, J. Masui, Ian Shipsey, J. L. Rodriguez, N. Kwak, R. Davis, Marina Artuso, P. Zadorozhny, K. Cho, N. B. Mistry, Y. I. Skovpen, J. J. Thaler, P. S. Drell, C. R. Sun, W. T. Ford, George D Gollin, N. Hancock, Dave Britton, R. L. McIlwain, D. He, E. I. Shibata, M. Saulnier, E. Nordberg, R. D. Kass, R. Balest, Shengfeng Yang, M. Kelly, G. Masek, N. Horwitz, J. Mevissen, D. M. Coffman, Juliet Ritchie Patterson, B. Ong, J. Kandaswamy, B. K. Heltsley, G. S. Ludwig, K. Lingel, P. Gaiderev, D. F. Cowen, Jungil Lee, M. Procario, M. Sapper, M. Chadha, B. Geiser, J. A. Ernst, D. L. Kreinick, C. Bebek, D. Z. Besson, P. Skubic, T. E. Browder, E. H. Thorndike, Ha Lam, D. Peterson, Horst Severini, J. D. Richman, S. Schrenk, M. Garcia-Sciveres, P. M. Patel, M. Daoudi, James E. Fast, M. Lohner, J. J. O'Neill, R. J. Wilson, Vipul Jain, John E. Bartelt, T. K. Nelson, J. Dominick, V. Savinov, G.R. Kalbfleisch, H. A. Cho, Y. J. Kwon, Shawn W. Henderson, M. Lattery, B. C. Barish, D. H. Miller, Ryszard Stroynowski, D. Fujino, D. Coppage, X. Fu, J. P. Alexander, C. R. Ng, F. Wrthwein, M.A. Palmer, P. Rankin, V.G. Shelkov, Michael S. Witherell, T. Miao, M.K. Sung, D. R. Johnson, S. Sanghera, Pu Wang, S. Nakanishi, R. Mountain, S. Roberts, Robert K. Kutschke, Sheldon Stone, D. B. MacFarlane, Darin Acosta, G. Vasseur, Tomasz Skwarnicki, Paul Avery, D. Riley, Igor Volobouev, M. M. Zoeller, T. Liu, M. Modesitt, G. Wei, H. N. Nelson, Karl Berkelman, K. Honscheid, David Sperka, J. Urheim, Yuichi Kubota, E.R.F. Hyatt, Alice Bean, D. G. Cassel, A. P. Freyberger, K. W. Edwards, C. Qiao, Anders Ryd, M. Athanas, Z. Egyed, R. Poling, B. Nemati, R. Stephens, S. E. Csorna, J. Snow, F. Butler, Kenneth Bloom, B. I. Eisenstein, M. Battle, T. Bergfeld, K. Kinoshita, N. Katayama, D. S. Akerib, A. J.R. Weinstein, G. Eigen, P. L. Wang, H. Kagan, S. Playfer, C. P. O'Grady, R. Ammar, R. J. Morrison, S. Chan, Mats A Selen, A. J. Sadoff, Cong Wang, John Yelton, S. Menary, D. L. Hartill, N. Copty, Glen D. Crawford, F. Muheim, M. Ogg, G. Zhu, K. K. Gan, P. C. Kim, M. Goldberg, G. C. Moneti, J. S. Miller, M. Thulasidas, H. Tajima, R. Ehrlich, S. L. Jones, Yoram Rozen, Philip Baringer, S. Ball, Yurii V. Mukhin, D. Perticone, M. Lambrecht, D. N. Brown, S. Salman, Janice Nelson, C. D. Jones, Michael Wood, D. J. Payne, S. W. Gray, J. G. Smith, and C. M. Daubenmier
Subjects: Physics, Stereochemistry, Branching fraction, TheoryofComputation_ANALYSISOFALGORITHMSANDPROBLEMCOMPLEXITY, General Physics and Astronomy, Atomic physics, Cornell Electron Storage Ring
Abstract: Using the CLEO II detector at the Cornell Electron Storage Ring we have measured the ratio of branching fractions, B([ital D][sup +][r arrow][ital K][sup [minus]][pi][sup +][pi][sup +])/([ital D][sup 0][r arrow][ital K][sup [minus]][pi][sup +])=2.35[plus minus]0.16[plus minus]0.16. Our recent measurement of [ital scrB]([ital D][sup 0][r arrow][ital K][sup [minus]][pi][sup +]) then gives [ital scrB]([ital D][sup +][r arrow][ital K][sup [minus]][pi][sup +][pi][sup +])=(9.3[plus minus]0.6[plus minus]0.8)%.
Published: 1994
Full Text: View/download PDF

Catalog

Books, media, physical & digital resources

See catalog results

Searchworks

Select search scope, currently: Articles Catalog books, media & more in Jio Institute collections Articles journal articles & other e-resources

Search

Search Constraints

Refine your results

Search Limiters

Topic

Publication Year Range

Language

Publication Type

Journal

Database

Publisher

375 results on '"Mats A Selen"'

Search Results

Catalog

Select search scope, currently: Articles

Catalog

books, media & more in Jio Institute collections

Articles

journal articles & other e-resources