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1. Precise measurement of B0 - B̄0 mixing parameters at the Υ(4S)

Author

Behrens, BH, Ford, WT, Gritsan, A, Roy, J, Smith, JG, Alexander, JP, Baker, R, Bebek, C, Berger, BE, Berkelman, K, Blanc, F, Boisvert, V, Cassel, DG, Dickson, M, Drell, PS, Ecklund, KM, Ehrlich, R, Foland, AD, Gaidarev, P, Gibbons, L, Gittelman, B, Gray, SW, Hartill, DL, Heltsley, BK, Hopman, PI, Jones, CD, Kreinick, DL, Lohner, M, Magerkurth, A, Meyer, TO, Mistry, NB, Nordberg, E, Patterson, JR, Peterson, D, Riley, D, Thayer, JG, Thies, PG, Valant-Spaight, B, Warburton, A, Avery, P, Prescott, C, Rubiera, AI, Yelton, J, Zheng, J, Brandenburg, G, Ershov, A, Gao, YS, Kim, DY-J, Wilson, R, Browder, TE, Li, Y, Rodriguez, JL, Yamamoto, H, Bergfeld, T, Eisenstein, BI, Ernst, J, Gladding, GE, Gollin, GD, Hans, RM, Johnson, E, Karliner, I, Marsh, MA, Palmer, M, Plager, C, Sedlack, C, Selen, M, Thaler, JJ, Williams, J, Edwards, KW, Janicek, R, Patel, PM, Sadoff, AJ, Ammar, R, Bean, A, Besson, D, Davis, R, Kwak, N, Zhao, X, Anderson, S, Frolov, VV, Kubota, Y, Lee, SJ, Mahapatra, R, O'Neill, JJ, Poling, R, Riehle, T, Smith, A, Urheim, J, Ahmed, S, Alam, MS, Athar, SB, Jian, L, Ling, L, Mahmood, AH, Saleem, M, Timm, S, Wappler, F, Anastassov, A, Duboscq, JE, Gan, KK, Gwon, C, Hart, T, Honscheid, K, Hufnagel, D, Kagan, H, Kass, R, Pedlar, TK, Schwarthoff, H, Thayer, JB, von Toerne, E, Zoeller, MM, Richichi, SJ, Severini, H, Skubic, P, Undrus, A, Chen, S, Fast, J, Hinson, JW, Lee, J, Menon, N, Miller, DH, Shibata, EI, Shipsey, IPJ, Pavlunin, V, Cronin-Hennessy, D, Kwon, Y, Lyon, AL, Thorndike, EH, Jessop, CP, Marsiske, H, Perl, ML, Savinov, V, Ugolini, D, Zhou, X, Coan, TE, Fadeyev, V, Maravin, Y, Narsky, I, Stroynowski, R, Ye, J, Wlodek, T, Artuso, M, Ayad, R, Boulahouache, C, Bukin, K, Dambasuren, E, Karamov, S, Majumder, G, Moneti, GC, Mountain, R, Schuh, S, Skwarnicki, T, Stone, S, Viehhauser, G, Wang, JC, Wolf, A, Wu, J, Kopp, S, Csorna, SE, Danko, I, McLean, KW, Márka, S, Xu, Z, Godang, R, Kinoshita, K, Lai, IC, Schrenk, S, Bonvicini, G, Cinabro, D, McGee, S, Perera, LP, Zhou, GJ, Lipeles, E, Schmidtler, M, Shapiro, A, Sun, WM, Weinstein, AJ, Würthwein, F, Jaffe, DE, Masek, G, Paar, HP, Potter, EM, Prell, S, Sharma, V, Asner, DM, Eppich, A, Gronberg, J, Hill, TS, Morrison, RJ, Nelson, HN, and Briere, RA

Abstract

We describe a measurement of B0 - B̄0 mixing parameters exploiting a method of partial reconstruction of the decay chains B̄ → D(* ±)π(±) and B̄ → D(* ±) ρ (±). Using 9.6 x 106BB̄ pairs collected at the Cornell Electron Storage Ring, we find χ(d) = 0.198 ± 0.013 ± 0.014, |y(d)| < 0.40 at 95% confidence level, and |(R) e(ε(B)| < 0.034 at 95% confidence level. (C) 2000 Elsevier Science B.V.

Published
2000

2. Precise measurement of B-0-(B-0)over-bar mixing parameters at the Epsilon(4S)

Author

Behrens, BH, Ford, WT, Gritsan, A, Roy, J, Smith, JG, Alexander, JP, Baker, R, Bebek, C, Berger, BE, Berkelman, K, Blanc, F, Boisvert, V, Cassel, DG, Dickson, M, Drell, PS, Ecklund, KM, Ehrlich, R, Foland, AD, Gaidarev, P, Gibbons, L, Gittelman, B, Gray, SW, Hartill, DL, Heltsley, BK, Hopman, PI, Jones, CD, Kreinick, DL, Lohner, M, Magerkurth, A, Meyer, TO, Mistry, NB, Nordberg, E, Patterson, JR, Peterson, D, Riley, D, Thayer, JG, Thies, PG, Valant-Spaight, B, Warburton, A, Avery, P, Prescott, C, Rubiera, AI, Yelton, J, Zheng, J, Brandenburg, G, Ershov, A, Gao, YS, Kim, DYJ, Wilson, R, Browder, TE, Li, Y, Rodriguez, JL, Yamamoto, H, Bergfeld, T, Eisenstein, BI, Ernst, J, Gladding, GE, Gollin, GD, Hans, RM, Johnson, E, Karliner, I, Marsh, MA, Palmer, M, Plager, C, Sedlack, C, Selen, M, Thaler, JJ, Williams, J, Edwards, KW, Janicek, R, Patel, PM, Sadoff, AJ, Ammar, R, Bean, A, Besson, D, Davis, R, Kwak, N, Zhao, X, Anderson, S, Frolov, VV, Kubota, Y, Lee, SJ, Mahapatra, R, O'Neill, JJ, Poling, R, Riehle, T, Smith, A, Urheim, J, Ahmed, S, Alam, MS, Athar, SB, Jian, L, Ling, L, Mahmood, AH, Saleem, M, Timm, S, Wappler, F, Anastassov, A, Duboscq, JE, Gan, KK, Gwon, C, Hart, T, Honscheid, K, Hufnagel, D, Kagan, H, Kass, R, Pedlar, TK, Schwarthoff, H, Thayer, JB, von Toerne, E, Zoeller, MM, Richichi, SJ, Severini, H, Skubic, P, Undrus, A, Chen, S, Fast, J, Hinson, JW, Lee, J, Menon, N, Miller, DH, Shibata, EI, Shipsey, IPJ, Pavlunin, V, Cronin-Hennessy, D, Kwon, Y, Lyon, AL, Thorndike, EH, Jessop, CP, Marsiske, H, Perl, ML, Savinov, V, Ugolini, D, Zhou, X, Coan, TE, Fadeyev, V, Maravin, Y, Narsky, I, Stroynowski, R, Ye, J, Wlodek, T, Artuso, M, Ayad, R, Boulahouache, C, Bukin, K, Dambasuren, E, Karamov, S, Majumder, G, Moneti, GC, Mountain, R, Schuh, S, Skwarnicki, T, Stone, S, Viehhauser, G, Wang, JC, Wolf, A, Wu, J, Kopp, S, Csorna, SE, Danko, I, McLean, KW, Marka, S, Xu, Z, Godang, R, Kinoshita, K, Lai, IC, Schrenk, S, Bonvicini, G, Cinabro, D, McGee, S, Perera, LP, Zhou, GJ, Lipeles, E, Schmidtler, M, Shapiro, A, Sun, WM, Weinstein, AJ, Wurthwein, F, Jaffe, DE, Masek, G, Paar, HP, Potter, EM, Prell, S, Sharma, V, Asner, DM, Eppich, A, Gronberg, J, Hill, TS, Morrison, RJ, Nelson, HN, Briere, RA, and Collaboration, CLEO

Published
2000

3. Study of 3-prong hadronicτdecays with charged kaons

Author

Richichi, SJ, Severini, H, Skubic, P, Undrus, A, Bishai, M, Chen, S, Fast, J, Hinson, JW, Menon, N, Miller, DH, Shibata, EI, Shipsey, IPJ, Glenn, S, Kwon, Y, Lyon, AL, Roberts, S, Thorndike, EH, Jessop, CP, Lingel, K, Marsiske, H, Perl, ML, Savinov, V, Ugolini, D, Zhou, X, Coan, TE, Fadeyev, V, Korolkov, I, Maravin, Y, Narsky, I, Stroynowski, R, Ye, J, Artuso, M, Dambasuren, E, Kopp, S, Moneti, GC, Mountain, R, Schuh, S, Skwarnicki, T, Stone, S, Titov, A, Viehhauser, G, Wang, JC, Bartelt, J, Csorna, SE, McLean, KW, Marka, S, Xu, Z, Godang, R, Kinoshita, K, Lai, IC, Pomianowski, P, Schrenk, S, Bonvicini, G, Cinabro, D, Greene, R, Perera, LP, Zhou, GJ, Chan, S, Eigen, G, Lipeles, E, Miller, JS, Schmidtler, M, Shapiro, A, Sun, WM, Urheim, J, Weinstein, AJ, Wurthwein, F, Bliss, DW, Jaffe, DE, Masek, G, Paar, HP, Potter, EM, Prell, S, Sharma, V, Asner, DM, Gronberg, J, Hill, TS, Lange, DJ, Morrison, RJ, Nelson, HN, Nelson, TK, Roberts, D, Behrens, BH, Ford, WT, Gritsan, A, Krieg, H, Roy, J, Smith, JG, Alexander, JP, Baker, R, Bebek, C, Berger, BE, Berkelman, K, Boisvert, V, Cassel, DG, Crowcroft, DS, Dickson, M, von Dombrowski, S, Drell, PS, Ecklund, KM, Ehrlich, R, Foland, AD, Gaidarev, P, Galik, RS, Gibbons, L, Gittelman, B, Gray, SW, Hartill, DL, Heltsley, BK, Hopman, PI, Kandaswamy, J, Kreinick, DL, Lee, T, Liu, Y, Mistry, NB, Ng, CR, Nordberg, E, Ogg, M, Patterson, JP, Peterson, D, Riley, D, Soffer, A, Valant-Spaight, B, Ward, C, Athanas, M, Avery, P, Jones, CD, Lohner, M, Patton, S, Prescott, C, Rubiera, AI, Yelton, J, Zheng, J, Brandenburg, G, Briere, RA, Ershov, A, Gao, YS, Kim, DYJ, Wilson, R, Yamamoto, H, Browder, TE, Li, Y, Rodriguez, JL, Sahu, SK, Bergfeld, T, Eisenstein, BI, Ernst, J, Gladding, GE, Gollin, GD, Hans, RM, Johnson, E, Karliner, I, Marsh, MA, Palmer, M, Selen, M, Thaler, JJ, Edwards, KW, Bellerive, A, Janicek, R, Patel, PM, Sadoff, AJ, Ammar, R, Baringer, P, Bean, A, Besson, D, Coppage, D, Darling, C, Davis, R, Kotov, S, Kravchenko, I, Kwak, N, Zhou, L, Anderson, S, Kubota, Y, Lee, SJ, Mahapatra, R, O'Neill, JJ, Poling, R, Riehle, T, Smith, A, Alam, MS, Athar, SB, Ling, Z, Mahmood, AH, Timm, S, Wappler, F, Anastassov, A, Duboscq, JE, Gan, KK, Hart, T, Honscheid, K, Kagan, H, Kass, R, Lee, J, Schwarthoff, H, Spencer, MB, Wolf, A, Zoeller, MM, and Collaboration, CLEO

Subjects
Physics, Nuclear physics, Nuclear and High Energy Physics, 010308 nuclear & particles physics, Electron–positron annihilation, High Energy Physics::Phenomenology, 0103 physical sciences, High Energy Physics::Experiment, 010306 general physics, 7. Clean energy, 01 natural sciences, High Energy Physics - Experiment, 3. Good health
Abstract

Using a sample of 4.7/fb integrated luminosity accumulated with the CLEO-II detector at the Cornell Electron Storage Ring (CESR), we have measured the branching fractions of the tau lepton into $K^- h^+ \pi^- \nu_\tau$ and $K^- K^+ \pi^- \nu_\tau$ relative to $h^- h^+ h^- \nu_\tau; K^- h^+ \pi^- \pi^0\nu_\tau$ and $K^- K^+ \pi^- \pi^0\nu_\tau$ relative to $h^- h^+ h^- \pi^0 \nu_\tau$. The relative branching fractions are: (5.16+-0.20+-0.50)*$10^{-2}$, (1.52+-0.14+-0.29)*$10^{-2}$, (2.54+-0.44+-0.39)*$10^{-2}$ and $, Comment: 16 pages postscript file also available through http://w4.lns.cornell.edu/public/CLNS

Published
1999

4. Measurement of Charm Meson Lifetimes

Author

Bonvicini, G, Cinabro, D, Greene, R, Perera, LP, Zhou, GJ, Chan, S, Eigen, G, Lipeles, E, Schmidtler, M, Shapiro, A, Sun, WM, Urheim, J, Weinstein, AJ, Wurthwein, F, Jaffe, DE, Masek, G, Paar, HP, Potter, EM, Prell, S, Sharma, V, Asner, DM, Eppich, A, Gronberg, J, Hill, TS, Korte, CM, Lange, DJ, Morrison, RJ, Nelson, HN, Nelson, TK, Roberts, D, Tajima, H, Behrens, BH, Ford, WT, Gritsan, A, Krieg, H, Roy, J, Smith, JG, Alexander, JP, Baker, R, Bebek, C, Berger, BE, Berkelman, K, Boisvert, V, Cassel, DG, Crowcroft, DS, Dickson, M, von Dombrowski, S, Drell, PS, Dumas, DJ, Ecklund, KM, Ehrlich, R, Foland, AD, Gaidarev, P, Gibbons, L, Gittelman, B, Gray, SW, Hartill, DL, Heltsley, BK, Henderson, S, Hopman, PI, Katayama, N, Kreinick, DL, Lee, T, Liu, Y, Meyer, TO, Mistry, NB, Ng, CR, Nordberg, E, Ogg, M, Patterson, JR, Peterson, D, Riley, D, Soffer, A, Thayer, JG, Thies, PG, Valant-Spaight, B, Warburton, A, Ward, C, Athanas, M, Avery, P, Jones, CD, Lohner, H, Prescott, C, Rubiera, AI, Yelton, J, Zheng, J, Brandenburg, G, Briere, RA, Ershov, A, Gao, YS, Kim, DYJ, Wilson, R, Browder, TE, Li, Y, Rodriguez, JL, Yamamoto, H, Bergfeld, T, Eisenstein, BI, Ernst, J, Gladding, GE, Gollin, GD, Hans, RM, Johnson, E, Karliner, I, Marsh, WA, Palmer, M, Plager, C, Sedlack, C, Selen, M, Thaler, JJ, Williams, J, Edwards, KW, Bellerive, A, Janicek, R, Patel, PM, Sadoff, AJ, Ammar, R, Baringer, P, Bean, A, Besson, D, Coppage, D, Davis, R, Kotov, S, Kravchenko, I, Kwak, N, Zhou, L, Anderson, S, Kubota, Y, Lee, SJ, Mahapatra, R, O'Neill, JJ, Poling, R, Riehle, T, Smith, A, Alam, MS, Athar, SB, Ling, Z, Mahmood, AH, Timm, S, Wappler, F, Anastassov, A, Duboscq, JE, Gan, KK, Gwon, C, Hart, T, Honscheid, K, Kagan, H, Kass, R, Lee, J, Lorenc, J, Schwarthoff, H, Wolf, A, Zoeller, RM, Richichi, SJ, Severini, H, Skubic, P, Undrus, A, Bishai, M, Chen, S, Fast, J, Hinson, JW, Menon, N, Miller, DH, Shibata, EI, Shipsey, IPJ, Glenn, S, Kwon, Y, Lyon, AL, Thorndike, EH, Jessop, CP, Lingel, K, Marsiske, H, Perl, ML, Savinov, V, Ugolini, D, Zhou, X, Coan, TE, Fadeyev, V, Korolkov, I, Maravin, Y, Narsky, I, Stroynowski, R, Ye, J, Wlodek, T, Artuso, M, Ayad, S, Dambasuren, E, Kopp, S, Majumder, G, Moneti, GC, Mountain, R, Schuh, S, Skwarnicki, T, Stone, S, Titov, A, Viehhauser, G, Wano, JC, Csorna, SE, McLean, KW, Marka, S, Xu, Z, Godang, R, Kinoshita, K, Lai, IC, Pomianowski, P, Schrenk, S, and Collaboration, C

Subjects
Systematic error, Physics, Particle physics, Annihilation, Meson, 010308 nuclear & particles physics, Electron–positron annihilation, General Physics and Astronomy, Resonance, FOS: Physical sciences, 01 natural sciences, High Energy Physics - Experiment, Nuclear physics, High Energy Physics - Experiment (hep-ex), 0103 physical sciences, Charm (quantum number), 010306 general physics
Abstract

We report measurements of the $D^0, D^+$, and $D^+_s$ meson lifetimes using $3.7 fb^{-1}$ of e^+e^- annihilation data collected near the $\Upsilon(4S)$ resonance with the CLEO detector. The lifetimes of the $D^0, D^+$, and $D^+_s$ mesons are measured to be $408.5 \pm 4.1 ^{+3.5}_{-3.4} fs, 1033.6 \pm 22.1 ^{+9.9}_{-12.7} fs$, and $486.3 \pm 15.0 ^{+4.9}_{-5.1} fs$, respectively. The precisions of the charm meson lifetimes reported here are comparable to those of the best previous measurements, and the systematic errors are very different. In a single experiment we find that the ratio of the $D^+_s$ and $D^0$ lifetimes differs from one by more than 4.5 standard deviations., Comment: 10 pages, postscript file also available through http://w4.lns.cornell.edu/public/CLNS

Published
1999

5. A limit on the mass of the nu(tau)

Author

Ammar, R, Baringer, P, Bean, A, Besson, D, Coppage, D, Darling, C, Davis, R, Kotov, S, Kravchenko, I, Kwak, N, Zhou, L, Anderson, S, Kubota, Y, Lee, SJ, O'Neill, JJ, Poling, R, Riehle, T, Smith, A, Alam, MS, Athar, SB, Ling, Z, Mahmood, AH, Timm, S, Wappler, F, Anastassov, A, Duboscq, JE, Fujino, D, Gan, KK, Hart, T, Honscheid, K, Kagan, H, Kass, R, Lee, J, Schwarthoff, H, Spencer, MB, Sung, M, Undrus, A, Wolf, A, Zoeller, MM, Richichi, SJ, Severini, H, Skubic, P, Bishai, M, Fast, J, Hinson, JW, Menon, N, Miller, DH, Shibata, EI, Shipsey, IPJ, Yurko, M, Glenn, S, Kwon, Y, Lyon, AL, Roberts, S, Thorndike, EH, Jessop, CP, Lingel, K, Marsiske, H, Perl, ML, Savinov, V, Ugolini, D, Zhou, X, Coan, TE, Fadeyev, V, Korolkov, I, Maravin, Y, Narsky, I, Shelkov, V, Staeck, J, Stroynowski, R, Volobouev, I, Ye, J, Artuso, M, Azfar, F, Efimov, A, Goldberg, M, He, D, Kopp, S, Moneti, GC, Mountain, R, Schuh, S, Skwarnicki, T, Stone, S, Viehhauser, G, Wang, JC, Xing, X, Bartelt, J, Csorna, SE, Jain, V, McLean, KW, Marka, S, Godang, R, Kinoshita, K, Lai, IC, Pomianowski, P, Schrenk, S, Bonvicini, G, Cinabro, D, Greene, R, Perera, LP, Zhou, GJ, Chadha, M, Chan, S, Eigen, G, Miller, JS, Schmidtler, M, Urheim, J, Weinstein, AJ, Wurthwein, F, Bliss, DW, Jaffe, DE, Masek, G, Paar, HP, Prell, S, Sharma, V, Asner, DM, Gronberg, J, Hill, TS, Lange, DJ, Morrison, RJ, Nelson, HN, Nelson, TK, Roberts, D, Behrens, BH, Ford, WT, Gritsan, A, Roy, J, Smith, JG, Alexander, JP, Baker, R, Bebek, C, Berger, BE, Berkelman, K, Bloom, K, Boisvert, V, Cassel, DG, Crowcroft, DS, Dickson, M, von Dombrowski, S, Drell, PS, Ecklund, KM, Ehrich, R, Foland, AD, Gaidarev, P, Gibbons, L, Gittelman, B, Gray, SW, Hartill, DL, Heltsley, BK, Hopman, PI, Kandaswamy, J, Kreinick, DL, Lee, T, Liu, Y, Mistry, NB, Ng, CR, Nordberg, E, Ogg, M, Patterson, JR, Peterson, D, Riley, D, Soffer, A, Valant-Spaight, B, Ward, C, Athanas, M, Avery, P, Jones, CD, Lohner, M, Patton, S, Prescott, C, Yelton, J, Zheng, J, Brandenburg, G, Briere, RA, Ershov, A, Gao, YS, Kim, DYJ, Wilson, R, Yamamoto, H, Browder, TE, Li, Y, Rodriguez, JL, Bergfeld, T, Eisenstein, BI, Ernst, J, Gladding, GE, Gollin, GD, Hans, RM, Johnson, E, Karliner, I, Marsh, MA, Palmer, M, Selen, M, Thaler, JJ, Edwards, KW, Bellerive, A, Janicek, R, MacFarlane, DB, Patel, PM, and Sadoff, AJ

Published
1998

6. Studies of the Cabibbo-suppressed decays D+->pi(0)l(+)nu and D+->eta e(+)nu(e)

Author

Bartelt, J, Csorna, SE, Jain, V, Marka, S, Freyberger, A, Godang, R, Kinoshita, K, Lai, IC, Pomianowski, P, Schrenk, S, Bonvicini, G, Cinabro, D, Greene, R, Perera, LP, Zhou, GJ, Barish, B, Chadha, M, Chan, S, Eigen, G, Miller, JS, OGrady, C, Schmidtler, M, Urheim, J, Weinstein, AJ, Wurthwein, F, Asner, DM, Bliss, DW, Brower, WS, Masek, G, Paar, HP, Sharma, V, Gronberg, J, Hill, TS, Kutschke, R, Lange, DJ, Menary, S, Morrison, RJ, Nelson, HN, Nelson, TK, Qiao, C, Richman, JD, Roberts, D, Ryd, A, Witherell, MS, Balest, R, Behrens, BH, Cho, K, Ford, WT, Park, H, Rankin, P, Roy, J, Smith, JG, Alexander, JP, Bebek, C, Berger, BE, Berkelman, K, Bloom, K, Cassel, DG, Cho, HA, Coffman, DM, Crowcroft, DS, Dickson, M, Drell, PS, Ecklund, KM, Ehrlich, R, Elia, R, Foland, AD, Gaidarev, P, Gittelman, B, Gray, SW, Hartill, DL, Heltsley, BK, Hopman, PI, Kandaswamy, J, Katayama, N, Kim, PC, Kreinick, DL, Lee, T, Liu, Y, Ludwig, GS, Masui, J, Mevissen, J, Mistry, NB, Ng, CR, Nordberg, E, Ogg, M, Patterson, JR, Peterson, D, Riley, D, Soffer, A, Ward, C, Athanas, M, Avery, P, Jones, CD, Lohner, M, Prescott, C, Yelton, J, Zheng, J, Brandenburg, G, Briere, RA, Gao, YS, Kim, DYJ, Wilson, R, Yamamoto, H, Browder, TE, Li, F, Li, Y, Rodriguez, JL, Bergfeld, T, Eisenstein, BI, Ernst, J, Gladding, GE, Gollin, GD, Hans, RM, Johnson, E, Karliner, I, Marsh, MA, Palmer, M, Selen, M, Thaler, JJ, Edwards, KW, Bellerive, A, Janicek, R, MacFarlane, DB, McLean, KW, Patel, PM, Sadoff, AJ, Ammar, R, Baringer, P, Bean, A, Besson, D, Coppage, D, Darling, C, Davis, R, Hancock, N, Kotov, S, Kravchenko, I, Kwak, N, Smith, D, Anderson, S, Kubota, Y, Lattery, M, Lee, SJ, ONeill, JJ, Patton, S, Poling, R, Riehle, T, Savinov, V, Smith, A, Alam, MS, Athar, SB, Ling, Z, Mahmood, AH, Severini, H, Timm, S, Wappler, F, Anastassov, A, Blinov, S, Duboscq, JE, Fisher, KD, Fujino, D, Fulton, R, Gan, KK, Hart, T, Honscheid, K, Kagan, H, Kass, R, Lee, J, Spencer, MB, Sung, M, Undrus, A, Wanke, R, Wolf, A, Zoeller, MM, Nemati, B, Richichi, SJ, Ross, WR, Skubic, P, Wood, M, Bishai, M, Fast, J, Gerndt, E, Hinson, JW, Menon, N, Miller, DH, Shibata, EI, Shipsey, IPJ, Yurko, M, Gibbons, L, Johnson, SD, Kwon, Y, Roberts, S, Thorndike, EH, Jessop, CP, Lingel, K, Marsiske, H, Perl, ML, Schaffner, SF, Ugolini, D, Wang, R, Zhou, X, Coan, TE, Fadeyev, V, Korolkov, I, Maravin, Y, Narsky, I, Shelkov, V, Staeck, J, Stroynowski, R, Volobouev, I, Ye, J, Artuso, M, Efimov, A, Frasconi, F, Gao, M, Goldberg, M, He, D, Kopp, S, Moneti, GC, Mountain, R, Schuh, S, Skwarnicki, T, Stone, S, Viehhauser, G, and Xing, X

Published
1997

7. Observation of Exclusive Two-Body B Decays to Kaons and Pions

Author

Godang, R, Kinoshita, K, Lai, IC, Pomianowski, P, Schrenk, S, Bonvicini, G, Cinabro, D, Greene, R, Perera, LP, Zhou, GJ, Chadha, M, Chan, S, Eigen, G, Miller, JS, O'Grady, C, Schmidtler, M, Urheim, J, Weinstein, AJ, Wurthwein, F, Bliss, DW, Masek, G, Paar, HP, Prell, S, Sharma, V, Asner, DM, Gronberg, J, Hill, TS, Lange, DJ, Morrison, RJ, Nelson, HN, Nelson, TK, Roberts, D, Ryd, A, Balest, R, Behrens, BH, Ford, WT, Gritsan, A, Park, H, Roy, J, Smith, JG, Alexander, JP, Baker, R, Bebek, C, Berger, BE, Berkelman, K, Bloom, K, Boisvert, V, Cassel, DG, Crowcroft, DS, Dickson, M, von Dombrowski, S, Drell, PS, Ecklund, KM, Ehrlich, R, Foland, AD, Gaidarev, P, Galik, RS, Gibbons, L, Gittelman, B, Gray, SW, Hartill, DL, Heltsley, BK, Hopman, PI, Kandaswamy, J, Kim, PC, Kreinick, DL, Lee, T, Liu, Y, Mistry, NB, Ng, CR, Nordberg, E, Ogg, M, Patterson, JR, Peterson, D, Riley, D, Soffer, A, Valant-Spaight, B, Ward, C, Athanas, M, Avery, P, Jones, CD, Lohner, M, Patton, S, Prescott, C, Yelton, J, Zheng, J, Brandenburg, G, Briere, RA, Ershov, A, Gao, YS, Kim, DYJ, Wilson, R, Yamamoto, H, Browder, TE, Li, Y, Rodriguez, JL, Bergfeld, T, Eisenstein, BI, Ernst, J, Gladding, GE, Gollin, GD, Hans, RM, Johnson, E, Karliner, I, Marsh, MA, Palmer, M, Selen, M, Thaler, JJ, Edwards, KW, Bellerive, A, Janicek, R, MacFarlane, DB, Patel, PM, Sadoff, AJ, Ammar, R, Baringer, P, Bean, A, Besson, D, Coppage, D, Darling, C, Davis, R, Kotov, S, Kravchenko, I, Kwak, N, Zhou, L, Anderson, S, Kubota, Y, Lee, SJ, O'Neill, JJ, Poling, R, Riehle, T, Smith, A, Alam, MS, Athar, SB, Ling, Z, Mahmood, AH, Timm, S, Wappler, F, Anastassov, A, Duboscq, JE, Fujino, D, Gan, KK, Hart, T, Honscheid, K, Kagan, H, Kass, R, Lee, J, Spencer, MB, Sung, M, Undrus, A, Wanke, R, Wolf, A, Zoeller, MM, Nemati, B, Richichi, SJ, Ross, WR, Severini, H, Skubic, P, Bishai, M, Fast, J, Hinson, JW, Menon, N, Miller, DH, Shibata, EI, Shipsey, IPJ, Yurko, M, Glenn, S, Johnson, SD, Kwon, Y, Roberts, S, Thorndike, EH, Jessop, CP, Lingel, K, Marsiske, H, Perl, ML, Savinov, V, Ugolini, D, Wang, R, Zhou, X, Coan, TE, Fadeyev, V, Korolkov, I, Maravin, Y, Narsky, I, Shelkov, V, Staeck, J, Stroynowski, R, Volobouev, I, Ye, J, Artuso, M, Azfar, F, Efimov, A, Goldberg, M, He, D, Kopp, S, Moneti, GC, Mountain, R, Schuh, S, Skwarnicki, T, Stone, S, Viehhauser, G, Xing, X, Bartelt, J, Csorna, SE, Jain, V, McLean, KW, Marka, S, and Collaboration, CLEO

Subjects
Nuclear physics, Physics, Particle physics, High Energy Physics - Experiment (hep-ex), Pion, Electron–positron annihilation, Hadron, General Physics and Astronomy, FOS: Physical sciences, B meson, High Energy Physics::Experiment, High Energy Physics - Experiment
Abstract

We have studied two-body charmless hadronic decays of B mesons into the final states $\pi\pi$, $K \pi$, and $KK$. Using 3.3 million $B\bar{B}$ pairs collected with the CLEO-II detector, we have made the first observation of the decays $B^0\to K^+\pi^-$, $B^+\to K^0\pi^+$, and the sum of $B^+ \to \pi^+\pi^0$ and $B^+ \to K^+\pi^0$ decays (an average over charge-conjugate states is always implied). We place upper limits on branching fractions for the remaining decay modes., Comment: 9 page postscript file, postscript file also available through http://w4.lns.cornell.edu/public/CLNS

Published
1997
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8. First search for CP violation in tau lepton decay

Author

Anderson, S, Kubota, Y, Lee, SJ, O'Neill, JJ, Poling, R, Riehle, T, Smith, A, Alam, MS, Athar, SB, Ling, Z, Mahmood, AH, Timm, S, Wappler, F, Anastassov, A, Duboscq, JE, Fujino, D, Gan, KK, Hart, T, Honscheid, K, Kagan, H, Kass, R, Lee, J, Schwarthoff, H, Spencer, MB, Sung, M, Undrus, A, Wolf, A, Zoeller, MM, Richichi, SJ, Severini, H, Skubic, P, Bishai, M, Fast, J, Hinson, JW, Menson, N, Miller, DH, Shibata, EI, Shipsey, IPJ, Yurko, M, Glenn, S, Kwon, Y, Lyon, AL, Roberts, S, Thorndike, EH, Jessop, CP, Lingel, K, Marsiske, H, Perl, ML, Savinov, V, Ugolini, D, Zhou, X, Coan, TE, Fadeyev, V, Korolkov, I, Maravin, Y, Narsky, I, Shelkov, V, Staeck, J, Stroynowski, R, Volobouev, I, Ye, J, Artuso, M, Azfar, F, Efimov, A, Goldberg, M, He, D, Kopp, S, Moneti, GC, Mountain, R, Schuh, S, Skwarnicki, T, Stone, S, Viehhauser, G, Wang, JC, Xing, X, Bartelt, J, Csorna, SE, Jain, V, McLean, KW, Marka, S, Godang, R, Kinoshita, K, Lai, IC, Pomianowski, P, Schrenk, S, Bonvicini, G, Cinabro, D, Greene, R, Perera, LP, Zhou, GJ, Chadha, M, Chan, S, Eigen, G, Miller, JS, Schmidtler, M, Urheim, J, Weinstein, AJ, Wurthwein, F, Bliss, DW, Jaffe, DE, Masek, G, Paar, HP, Potter, EM, Prell, S, Sharma, V, Asner, DM, Gronberg, J, Hill, TS, Lange, DJ, Morrison, RJ, Nelson, HN, Nelson, TK, Roberts, D, Behrens, BH, Ford, WT, Gritsan, A, Roy, J, Smith, JG, Alexander, JP, Baker, R, Bebek, C, Berger, BE, Berkelman, K, Bloom, K, Boisvert, V, Cassel, DG, Crowcroft, DS, Dickson, M, von Dombrowski, S, Drell, PS, Ecklund, KM, Ehrlich, R, Foland, AD, Gaidarev, P, Gibbons, L, Gittelman, B, Gray, SW, Hartill, DL, Heltsley, BK, Hopman, PI, Kandaswamy, J, Kreinick, DL, Lee, T, Liu, Y, Mistry, NB, Ng, CR, Nordberg, E, Ogg, M, Patterson, JR, Peterson, D, Riley, D, Soffer, A, Valant-Spaight, B, Ward, C, Athanas, M, Avery, P, Jones, CD, Lohner, M, Patton, S, Prescott, C, Yelton, J, Zheng, J, Brandenburg, G, Briere, RA, Ershov, A, Gao, YS, Kim, DYJ, Wilson, R, Yamamoto, H, Browder, TE, Li, Y, Rodriguez, JL, Sahu, SK, Bergfeld, T, Eisenstein, BI, Ernst, J, Gladding, GE, Gollin, GD, Hans, RM, Johnson, E, Karliner, I, Marsh, MA, Palmer, M, Selen, M, Thaler, JJ, Edwards, KW, Bellerive, A, Janicek, R, MacFarlane, DB, Patel, PM, Sadoff, AJ, Ammar, R, Baringer, P, Bean, A, Besson, D, Coppage, D, Darling, C, Davis, R, Kotov, S, Kravchenko, I, Kwak, N, Zhou, L, and Collaboration, CLEO

Subjects
Physics, Semileptonic decay, Particle physics, 010308 nuclear & particles physics, Electron–positron annihilation, High Energy Physics::Phenomenology, General Physics and Astronomy, FOS: Physical sciences, 01 natural sciences, Standard Model, High Energy Physics - Experiment, Particle decay, High Energy Physics - Experiment (hep-ex), Pion, TheoryofComputation_ANALYSISOFALGORITHMSANDPROBLEMCOMPLEXITY, 0103 physical sciences, CP violation, High Energy Physics::Experiment, Neutrino, 010306 general physics, Lepton
Abstract

Using the CLEO II detector we have performed the first search for $CP$ violation in tau lepton decay. CP violation in lepton decay does not occur in the minimal standard model but can occur in extensions such as the multi-Higgs doublet model. It appears as a characteristic difference between the $\tau^+$ and $\tau^-$ decay angular distributions for the semi-leptonic decay modes such as $\tau^- \to K^0 \pi^- \nu$. We define an observable asymmetry to exploit this and find no evidence for any CP violation., Comment: 9 pages, 4 Postscript figures, postscript file also available through http://w4.lns.cornell.edu/public/CLNS

9. Flavor-Specific Inclusive B Decays to Charm

Author

Coan, TE, Fadeyev, V, Korolkov, I, Maravin, Y, Narsky, I, Shelkov, V, Staeck, J, Stroynowski, R, Volobouev, I, Ye, J, Artuso, M, Azfar, F, Efimov, A, Goldberg, M, He, D, Kopp, S, Moneti, GC, Mountain, R, Schuh, S, Skwarnicki, T, Stone, S, Viehhauser, G, Xing, X, Bartelt, J, Csorna, SE, Jain, V, McLean, KW, Marka, S, Godang, R, Kinoshita, K, Lai, IC, Pomianowski, P, Schrenk, S, Bonvicini, G, Cinabro, D, Greene, R, Perera, LP, Zhou, GJ, Barish, B, Chadha, M, Chan, S, Eigen, G, Miller, JS, O'Grady, C, Schmidtler, M, Urheim, J, Weinstein, AJ, Wurthwein, F, Bliss, DW, Masek, G, Paar, HP, Prell, S, Sharma, V, Asner, DM, Gronberg, J, Hill, TS, Lange, DJ, Morrison, RJ, Nelson, HN, Nelson, TK, Richman, JD, Roberts, D, Ryd, A, Witherell, MS, Balest, R, Behrens, BH, Ford, WT, Gritsan, A, Park, H, Roy, J, Smith, JG, Alexander, JP, Bebek, C, Berger, BE, Berkelman, K, Bloom, K, Boisvert, V, Cassel, DG, Cho, HA, Crowcroft, DS, Dickson, M, von Dombrowski, S, Drell, PS, Ecklund, KM, Ehrlich, R, Foland, AD, Gaidarev, P, Gibbons, L, Gittelman, B, Gray, SW, Hartill, DL, Heltsley, BK, Hopman, PI, Kandaswamy, J, Kim, PC, Kreinick, DL, Lee, T, Liu, Y, Mistry, NB, Ng, CR, Nordberg, E, Ogg, M, Patterson, JR, Peterson, D, Riley, D, Soffer, A, Valant-Spaight, B, Ward, C, Athanas, M, Avery, P, Jones, CD, Lohner, M, Prescott, C, Yelton, J, Zheng, J, Brandenburg, G, Briere, RA, Ershov, A, Gao, YS, Kim, DYJ, Wilson, R, Yamamoto, H, Browder, TE, Li, Y, Rodriguez, JL, Bergfeld, T, Eisenstein, BI, Ernst, J, Gladding, GE, Gollin, GD, Hans, RM, Johnson, E, Karliner, I, Marsh, MA, Palmer, M, Selen, M, Thaler, JJ, Edwards, KW, Bellerive, A, Janicek, R, MacFarlane, DB, Patel, PM, Sadoff, AJ, Ammar, R, Baringer, P, Bean, A, Besson, D, Coppage, D, Darling, C, Davis, R, Kotov, S, Kravchenko, I, Kwak, N, Anderson, S, Kubota, Y, Lee, SJ, O'Neill, JJ, Patton, S, Poling, R, Riehle, T, Smith, A, Alam, MS, Athar, SB, Ling, Z, Mahmood, AH, Severini, H, Timm, S, Wappler, F, Anastassov, A, Duboscq, JE, Fujino, D, Gan, KK, Hart, T, Honscheid, K, Kagan, H, Kass, R, Lee, J, Spencer, MB, Sung, M, Undrus, A, Wanke, R, Wolf, A, Zoeller, MM, Nemati, B, Richichi, SJ, Ross, WR, Skubic, P, Bishai, M, Fast, J, Hinson, JW, Menon, N, Miller, DH, Shibata, EI, Shipsey, IPJ, Yurko, M, Glenn, S, Johnson, SD, Kwon, Y, Roberts, S, Thorndike, EH, Jessop, CP, Lingel, K, Marsiske, H, Perl, ML, Savinov, V, Ugolini, D, Wang, R, Zhou, X, and Collaboration, CLEO

Subjects
Semileptonic decay, Physics, Particle physics, 010308 nuclear & particles physics, Branching fraction, Electron–positron annihilation, FOS: Physical sciences, General Physics and Astronomy, 01 natural sciences, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), Angular distribution, 0103 physical sciences, Charm (quantum number), 010306 general physics, Flavor
Abstract

We have measured the branching fractions for B -> D_bar X, B -> D X, and B -> D_bar X \ell^+ ��, where ``B'' is an average over B^0 and B^+, ``D'' is a sum over D^0 and D^+, and``D_bar'' is a sum over D^0_bar and D^-. From these results and some previously measured branching fractions, we obtain Br(b -> c c_bar s) = (21.9 $\pm$ 3.7)%, Br(b -> s g) < 6.8% @ 90% c.l, and Br(D^0 -> K^- ��^+) = (3.69 $\pm$ 0.20)%. Implications for the ``B semileptonic decay problem'' (measured branching fraction being below theoretical expectations) are discussed. The increase in the value of Br(b -> c c_bar s) due to $B -> D X$ eliminates 40% of the discrepancy., 12 page postscript file, postscript file also available through http://w4.lns.cornell.edu/public/CLNS

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