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Measurement of the B0 and B− meson lifetimes
Authors :
Buskulic, D. Decamp, D. Goy, C. Lees, J. -P Minard, M. -N Mours, B. Pietrzyk, B. Alemany, R. Ariztizabal, F. Comas, P. Crespo, J. M. Delfino, M. Fernandez, E. Fernandez-Bosman, M. Gaitan, V. Garrido, Ll Mattison, T. Pacheco, A. Padilla, C. Pascual, A. Creanza, D. Palma, M. Farilla, A. Iaselli, G. Maggi, G. Maggi, M. Natali, S. Nuzzo, S. Quattromini, M. Ranieri, A. Raso, G. Romano, F. Ruggieri, F. Selvaggi, G. Silvestris, L. Tempesta, P. Zito, G. Chai, Y. Hu, H. Huang, D. Huang, X. Lin, J. Wang, T. Xie, Y. Xu, D. Xu, R. Zhang, J. Zhang, L. Zhao, W. Bauerdick, L. A. T. Blucher, E. Bonvicini, G. Boudreau, J. Casper, D. Drevermann, H. Forty, R. W. Ganis, G. Gay, C. Hagelberg, R. Harvey, J. Haywood, S. Hilgart, J. Jacobsen, R. Jost, B. Knobloch, J. Lehraus, I. Lohse, T. Lusiani, A. Martinez, M. Mato, P. Meinhard, H. Minten, A. Miotto, A. Miquel, R. Moser, H. -G Palazzi, P. Perlas, J. A. Pusztaszeri, J. -F Ranjard, F. Redlinger, G. Rolandi, L. Rothberg, J. Ruan, T. Saich, M. Schlatter, D. Schmelling, M. Sefkow, F. Tejessy, W. Wachsmuth, H. Wiedenmann, W. Wildish, T. Witzeling, W. Wotschack, J. Ajaltouni, Z. Badaud, F. Bardadin-Otwinowska, M. El Fellous, R. Falvard, A. Gay, P. Guicheney, C. Henrard, P. Jousset, J. Michel, B. Montret, J. -C Pallin, D. Perret, P. Podlyski, F. Proriol, J. Prulhière, F. Saadi, F. Fearnley, T. Hansen, J. D. Hansen, J. R. Hansen, P. H. Møllerud, R. Nilsson, B. S. Efthymiopoulos, I. Kyriakis, A. Simopoulou, E. Vayaki, A. Zachariadou, K. Badier, J. Blondel, A. Bonneaud, G. Brient, J. C. Fouque, G. Orteu, S. Rougé, A. Rumpf, M. Tanaka, R. Verderi, M. Videau, H. Candlin, D. J. Parsons, M. I. Veitch, E. Moneta, L. Parrini, G. Corden, M. Georgiopoulos, C. Ikeda, M. Lannutti, J. Levinthal, D. Mermikides, M. Sawyer, L. Wasserbaech, S. Antonelli, A. Baldini, R. Bencivenni, G. Bologna, G. Bossi, F. Campana, P. Capon, G. Cerutti, F. Chiarella, V. D Ettorre-Piazzoli, B. Felici, G. Laurelli, P. Mannocchi, G. Murtas, F. Murtas, G. P. Passalacqua, L. Pepe-Altarelli, M. Picchi, P. Colrain, P. Ten Have, I. Lynch, J. G. Maitland, W. Morton, W. T. Raine, C. Reeves, P. Scarr, J. M. Smith, K. Smith, M. G. Thompson, A. S. Turnbull, R. M. Brandl, B. Braun, O. Geweniger, C. Hanke, P. Hepp, V. Kluge, E. E. Maumary, Y. Putzer, A. Rensch, B. Stahl, A. Tittel, K. Wunsch, M. Belk, A. T. Beuselinck, R. Binnie, D. M. Cameron, W. Cattaneo, M. Colling, D. J. Dornan, P. J. Dugeay, S. Greene, A. M. Hassard, J. F. Lieske, N. M. Nash, J. Payne, D. G. Phillips, M. J. Sedgbeer, J. K. Tomalin, I. R. Wright, A. G. Girtler, P. Kneringer, E. Kuhn, D. Rudolph, G. Bowdery, C. K. Brodbeck, T. J. Finch, A. J. Foster, F. Hughes, G. Jackson, D. Keemer, N. R. Nuttall, M. Patel, A. Sloan, T. Snow, S. W. Whelan, E. P. Kleinknecht, K. Raab, J. Renk, B. Sander, H. -G Schmidt, H. Steeg, F. Walther, S. M. Wanke, R. Wolf, B. Aubert, J. -J Bencheikh, A. M. Benchouk, C. Bonissent, A. Carr, J. Coyle, P. Drinkard, J. Etienne, F. Nicod, D. Papalexiou, S. Payre, P. Roos, L. Rousseau, D. Schwemling, P. Talby, M. Adlung, S. Assmann, R. Bauer, C. Blum, W. Brown, D. Cattaneo, P. Dehning, B. Dietl, H. Dydak, F. Frank, M. Halley, A. W. Lauber, J. Lutjens, G. Lutz, G. Männer, W. Richter, R. Rotscheidt, H. Schröder, J. Schwarz, A. S. Settles, R. Henry Seywerd Stierlin, U. Stiegler, U. St Denis, R. Wolf, G. Boucrot, J. Callot, O. Cordier, A. Davier, M. Duflot, L. Grivaz, J. -F Heusse, Ph Jaffe, D. E. Janot, P. Kim, D. W. Le Diberder, F. Lefrançois, J. Lutz, A. -M Schune, M. -H Veillet, J. -J Videau, I. Zhang, Z. Abbaneo, D. Bagliesi, G. Batignani, G. Bosisio, L. Bottigli, U. Bozzi, C. Calderini, G. Carpinelli, M. Ciocci, M. A. Orso, R. Ferrante, I. Fidecaro, F. Foà, L. Focardi, E. Forti, F. Giassi, A. Giorgi, M. A. Gregorio, A. Ligabue, F. Mannelli, E. B. Marrocchesi, P. S. Messineo, A. Palla, F. Rizzo, G. Sanguinetti, G. Spagnolo, P. Steinberger, J. Tenchini, R. Tonelli, G. Triggiani, G. Vannini, C. Venturi, A. Verdini, P. G. Walsh, J. Betteridge, A. P. Carter, J. M. Green, M. G. March, P. V. Mir, Ll M. Medcalf, T. Quazi, I. S. Strong, J. A. West, L. R. Botterill, D. R. Clifft, R. W. Edgecock, T. R. Edwards, M. Fisher, S. M. Jones, T. J. Norton, P. R. Salmon, D. P. Thompson, J. C. Bloch-Devaux, B. Colas, P. Duarte, H. Kozanecki, W. Lançon, E. Lemaire, M. C. Locci, E. Perez, P. Perrier, F. Rander, J. Renardy, J. -F Rosowsky, A. Roussarie, A. Schuller, J. -P Schwindling, J. Si Mohand, D. Vallage, B. Johnson, R. P. Litke, A. M. Taylor, G. Wear, J. Ashman, J. G. Babbage, W. Booth, C. N. Buttar, C. Carney, R. E. Cartwright, S. Combley, F. Hatfield, F. Thompson, L. F. Barberio, E. Böhrer, A. Brandt, S. Cowan, G. Grupen, C. Lutters, G. Rivera, F. Schafer, U. Smolik, L. Della Marina, R. Giannini, G. Gobbo, B. Ragusa, F. Bellantoni, L. Chen, W. Cinabro, D. Conway, J. S. Cowen, D. F. Feng, Z. Ferguson, D. P. S. Gao, Y. S. Grahl, J. Harton, J. L. Jared, R. C. Leclaire, B. W. Lishka, C. Pan, Y. B. Pater, J. R. Saadi, Y. Sharma, V. Schmitt, M. Shi, Z. H. Walsh, A. M. Weber, F. V. Wu, S. L. Wu, X. Zheng, M. Zobernig, G. Buskulic, D Decamp, D Goy, C Lees, J Minard, M Mours, B Pietrzyk, B Alemany, R Ariztizabal, F Comas, P Crespo, J Delfino, M Fernandez, E Fernandezbosman, M Gaitan, V Garrido, L Mattison, T Pacheco, A Padilla, C Pascual, A Creanza, D Depalma, M Farilla, A Iaselli, G Maggi, G Maggi, M Natali, S Nuzzo, S Quattromini, M Ranieri, A Raso, G Romano, F Ruggieri, F Selvaggi, G Silvestris, L Tempesta, P Zito, G Chai, Y Hu, H Huang, D Huang, X Lin, J Wang, T Xie, Y Xu, D Xu, R Zhang, J Zhang, L Zhao, W Bauerdick, L Blucher, E Bonvicini, G Boudreau, J Casper, D Drevermann, H Forty, R Ganis, G Gay, C Hagelberg, R Harvey, J Haywood, S Hilgart, J Jacobsen, R Jost, B Knobloch, J Lehraus, I Lohse, T Lusiani, A Martinez, M Mato, P Meinhard, H Minten, A Miotto, A Miquel, R Moser, H Palazzi, P Perlas, J Pusztaszeri, J Ranjard, F Redlinger, G Rolandi, L Rothberg, J Ruan, T Saich, M Schlatter, D Schmelling, M Sefkow, F Tejessy, W Wachsmuth, H Wiedenmann, W Wildish, T Witzeling, W Wotschack, J Ajaltouni, Z Badaud, F Bardadinotwinowska, M Elfellous, R Falvard, A Gay, P Guicheney, C Henrard, P Jousset, J Michel, B Montret, J Pallin, D Perret, P Podlyski, F Proriol, J Prulhiere, F Saadi, F Fearnley, T Hansen, J Hansen, P Mollerud, R Nilsson, B Efthymiopoulos, I Kyriakis, A Simopoulou, E Vayaki, A Zachariadou, K Badier, J Blondel, A Bonneaud, G Brient, J Fouque, G Orteu, S Rouge, A Rumpf, M Tanaka, R Verderi, M Videau, H Candlin, D Parsons, M Veitch, E Moneta, L Parrini, G Corden, M Georgiopoulos, C Ikeda, M Lannutti, J Levinthal, D Mermikides, M Sawyer, L Wasserbaech, S Antonelli, A Baldini, R Bencivenni, G Bologna, G Bossi, F Campana, P Capon, G Cerutti, F Chiarella, V Dettorrepiazzoli, B Felici, G Laurelli, P Mannocchi, G Murtas, F Murtas, G Passalacqua, L Pepealtarelli, M Picchi, P Colrain, P Tenhave, I Lynch, J Maitland, W Morton, W Raine, C Reeves, P Scarr, J Smith, K Smith, M Thompson, A Turnbull, R Brandl, B Braun, O Geweniger, C Hanke, P Hepp, V Kluge, E Maumary, Y Putzer, A Rensch, B Stahl, A Tittel, K Wunsch, M Belk, A Beuselinck, R Binnie, D Cameron, W Cattaneo, M Colling, D Dornan, P Dugeay, S Greene, A Hassard, J Lieske, N Nash, J Payne, D Phillips, M Sedgbeer, J Tomalin, I Wright, A Girtler, P Kneringer, E Kuhn, D Rudolph, G Bowdery, C Brodbeck, T Finch, A Foster, F Hughes, G Jackson, D Keemer, N Nuttall, M Patel, A Sloan, T Snow, S Whelan, E Kleinknecht, K Raab, J Renk, B Sander, H Schmidt, H Steeg, F Walther, S Wanke, R Wolf, B Aubert, J Bencheikh, A Benchouk, C Bonissent, A Carr, J Coyle, P Drinkard, J Etienne, F Nicod, D Papalexiou, S Payre, P Roos, L Rousseau, D Schwemling, P Talby, M Adlung, S Assmann, R Bauer, C Blum, W Brown, D Cattaneo, P Dehning, B Dietl, H Dydak, F Frank, M Halley, A Lauber, J Lutjens, G Lutz, G Manner, W Richter, R Rotscheidt, H Schroder, J Schwarz, A Settles, R Seywerd, H Stierlin, U Stiegler, U Stdenis, R Wolf, G Boucrot, J Callot, O Cordier, A Davier, M Duflot, L Grivaz, J Heusse, P Jaffe, D Janot, P Kim, D Lediberder, F Lefrancois, J Lutz, A Schune, M Veillet, J Videau, I Zhang, Z Abbaneo, D Bagliesi, G Batignani, G Bosisio, L Bottigli, U Bozzi, C Calderini, G Carpinelli, M Ciocci, M Dellorso, R Ferrante, I Fidecaro, F Foa, L Focardi, E Forti, F Giassi, A Giorgi, M Gregorio, A Ligabue, F Mannelli, E Marrocchesi, P Messineo, A Palla, F Rizzo, G Sanguinetti, G Spagnolo, P Steinberger, J Tenchini, R Tonelli, G Triggiani, G Vannini, C Venturi, A Verdini, P Walsh, J Betteridge, A Carter, J Green, M March, P Mir, L Medcalf, T Quazi, I Strong, J West, L Botterill, D Clifft, R Edgecock, T Edwards, M Fisher, S Jones, T Norton, P Salmon, D Thompson, J Blochdevaux, B Colas, P Duarte, H Kozanecki, W Lancon, E Lemaire, M Locci, E Perez, P Perrier, F Rander, J Renardy, J Rosowsky, A Roussarie, A Schuller, J Schwindling, J Mohand, D Vallage, B Johnson, R Litke, A Taylor, G Wear, J Ashman, J Babbage, W Booth, C Buttar, C Carney, R Cartwright, S Combley, F Hatfield, F Thompson, L Barberio, E Bohrer, A Brandt, S Cowan, G Grupen, C Lutters, G Rivera, F Schafer, U Smolik, L Dellamarina, R Giannini, G Gobbo, B Ragusa, F Bellantoni, L Chen, W Cinabro, D Conway, J Cowen, D Feng, Z Ferguson, D Gao, Y Grahl, J Harton, J Jared, R Leclaire, B Lishka, C Pan, Y Pater, J Saadi, Y Sharma, V Schmitt, M Shi, Z Walsh, A Weber, F Wu, S Wu, X Zheng, M Zobernig, G D., Buskulic D., Decamp C., Goy J. P., Lee M. N., Minard B., Mour B., Pietrzyk R., Alemany F., Ariztizabal P., Coma J. M., Crespo M., Delfino E., Fernandez M., Fernandez Bosman V., Gaitan Garrido, L. l. T., Mattison A., Pacheco C., Padilla A., Pascual D., Creanza M., de Palma A., Farilla G., Iaselli G., Maggi M., Maggi S., Natali S., Nuzzo M., Quattromini A., Ranieri G., Raso F., Romano F., Ruggieri G., Selvaggi L., Silvestri P., Tempesta G., Zito Y., Chai H., Hu D., Huang X., Huang J., Lin T., Wang Y., Xie D., Xu R., Xu J., Zhang L., Zhang W., Zhao L. A. T., Bauerdick E., Blucher G., Bonvicini J., Boudreau D., Casper H., Drevermann R. W., Forty G., Gani C., Gay R., Hagelberg J., Harvey S., Haywood J., Hilgart R., Jacobsen B., Jost J., Knobloch I., Lehrau T., Lohse A., Lusiani M., Martinez P., Mato H., Meinhard A., Minten A., Miotto R., Miquel H. G., Moser P., Palazzi J. A., Perla J. F., Pusztaszeri F., Ranjard G., Redlinger L., Rolandi J., Rothberg T., Ruan M., Saich D., Schlatter M., Schmelling F., Sefkow W., Tejessy H., Wachsmuth W., Wiedenmann T., Wildish W., Witzeling J., Wotschack Z., Ajaltouni F., Badaud M., Bardadin Otwinowska R., El Fellou A., Falvard P., Gay C., Guicheney P., Henrard J., Jousset B., Michel J. C., Montret D., Pallin P., Perret F., Podlyski J., Proriol F., Prulhière F., Saadi T., Fearnley J. D., Hansen J. R., Hansen P. H., Hansen R., Møllerud B. S., Nilsson I., Efthymiopoulo A., Kyriaki E., Simopoulou A., Vayaki K., Zachariadou J., Badier A., Blondel G., Bonneaud J. C., Brient G., Fouque S., Orteu A., Rougé M., Rumpf R., Tanaka M., Verderi H., Videau D. J., Candlin M. I., Parson E., Veitch L., Moneta G., Parrini M., Corden C., Georgiopoulo M., Ikeda J., Lannutti D., Levinthal M., Mermikide L., Sawyer S., Wasserbaech A., Antonelli R., Baldini G., Bencivenni G., Bologna F., Bossi P., Campana G., Capon F., Cerutti V., Chiarella B., D'Ettorre Piazzoli G., Felici P., Laurelli G., Mannocchi F., Murta G. P., Murta L., Passalacqua M., Pepe Altarelli P., Picchi P., Colrain I., ten Have J. G., Lynch W., Maitland W. T., Morton C., Raine P., Reeve J. M., Scarr K., Smith M. G., Smith A. S., Thompson R. M., Turnbull B., Brandl O., Braun C., Geweniger P., Hanke V., Hepp E. E., Kluge Y., Maumary A., Putzer B., Rensch A., Stahl K., Tittel M., Wunsch A. T., Belk R., Beuselinck D. M., Binnie W., Cameron M., Cattaneo D. J., Colling P. J., Dornan S., Dugeay A. M., Greene J. F., Hassard N. M., Lieske J., Nash D. G., Payne M. J., Phillip J. K., Sedgbeer I. R., Tomalin A. G., Wright P., Girtler E., Kneringer D., Kuhn G., Rudolph C. K., Bowdery T. J., Brodbeck A. J., Finch F., Foster G., Hughe D., Jackson N. R., Keemer M., Nuttall A., Patel T., Sloan S. W., Snow E. P., Whelan K., Kleinknecht J., Raab B., Renk H. G., Sander H., Schmidt F., Steeg S. M., Walther R., Wanke B., Wolf J. J., Aubert A. M., Bencheikh C., Benchouk A., Bonissent J., Carr P., Coyle J., Drinkard F., Etienne D., Nicod S., Papalexiou P., Payre L., Roo D., Rousseau P., Schwemling M., Talby S., Adlung R., Assmann C., Bauer W., Blum D., Brown P., Cattaneo B., Dehning H., Dietl F., Dydak M., Frank A. W., Halley J., Lauber G., Lütjen G., Lutz W., Männer R., Richter H., Rotscheidt J., Schröder A. S., Schwarz R., Settle H., Seywerd U., Stierlin U., Stiegler Denis, R. S. t. G., Wolf J., Boucrot O., Callot A., Cordier M., Davier L., Duflot J. F., Grivaz Heusse, P. h. D. E., Jaffe P., Janot D. W., Kim F., Le Diberder J., Lefrançoi A. M., Lutz M. H., Schune J. J., Veillet I., Videau Z., Zhang D., Abbaneo G., Bagliesi G., Batignani Bosisio, Luciano U., Bottigli C., Bozzi G., Calderini M., Carpinelli M. A., Ciocci R., Dell'Orso I., Ferrante F., Fidecaro L., Foà E., Focardi F., Forti A., Giassi M. A., Giorgi Gregorio, Anna F., Ligabue E. B., Mannelli P. S., Marrocchesi A., Messineo F., Palla G., Rizzo G., Sanguinetti P., Spagnolo J., Steinberger R., Tenchini G., Tonelli G., Triggiani C., Vannini A., Venturi P. G., Verdini J., Walsh A. P., Betteridge J. M., Carter M. G., Green P. V., March Mir, L. l. M. T., Medcalf I. S., Quazi J. A., Strong L. R., West D. R., Botterill R. W., Clifft T. R., Edgecock M., Edward S. M., Fisher T. J., Jone P. R., Norton D. P., Salmon J. C., Thompson B., Bloch Devaux P., Cola H., Duarte W., Kozanecki E., Lançon M. C., Lemaire E., Locci P., Perez F., Perrier J., Rander J. F., Renardy A., Rosowsky A., Roussarie J. P., Schuller J., Schwindling D., Si Mohand B., Vallage R. P., Johnson A. M., Litke G., Taylor J., Wear J. G., Ashman W., Babbage C. N., Booth C., Buttar R. E., Carney S., Cartwright F., Combley F., Hatfield L. F., Thompson E., Barberio A., Böhrer S., Brandt G., Cowan C., Grupen G., Lutter F., Rivera U., Schäfer L., Smolik R., Della Marina Giannini, Gianrossano B., Gobbo F., Ragusa L., Bellantoni W., Chen D., Cinabro J. S., Conway D. F., Cowen Z., Feng D. P. S., Ferguson Y. S., Gao J., Grahl J. L., Harton R. C., Jared B. W., Leclaire C., Lishka Y. B., Pan J. R., Pater Y., Saadi V., Sharma M., Schmitt Z. H., Shi A. M., Walsh F. V., Weber Sau Lan, Wu X., Wu M., Zheng G., Zobernig
Source :
Scopus-Elsevier
Publication Year :
1993
Publisher :
Elsevier, 1993.
Abstract
The \ud lifetimes \ud of \ud the \ud ~0 \ud and \ud B- \ud mesons \ud have \ud been \ud measured \ud with \ud the \ud ALEPH \ud detector \ud at \ud LEP. \ud Semileptonlc \ud decays \ud of \ud ~0 \ud and \ud B- \ud mesons \ud were \ud partially \ud reconstructed \ud by \ud identifying \ud events \ud containing \ud a \ud lepton \ud with \ud an \ud associated \ud D \ud *+ \ud or \ud D \ud o \ud meson. \ud The \ud proper \ud time \ud of \ud the \ud B \ud meson \ud was \ud estimated \ud from \ud the \ud measured \ud decay \ud length \ud and \ud the \ud momentum \ud and \ud mass \ud of \ud the \ud D-lepton \ud system. \ud A \ud fit \ud to \ud the \ud proper \ud time \ud of \ud 77 \ud D*+g \ud - \ud and \ud 77 \ud DOg \ud - \ud can&dates, \ud combined \ud with \ud a \ud constraint \ud on \ud the \ud hfetlme \ud ratio \ud (z_/z \ud o) \ud arising \ud from \ud the \ud relative \ud rates \ud of \ud observed \ud D*+g \ud - \ud and \ud DOg \ud - \ud events, \ud +020 \ud +007 \ud (syst.)ps,z_ \ud = \ud 1 \ud 47 \ud +022 \ud +015 \ud yielded \ud the \ud following \ud hfetimes' \ud z \ud 0 \ud = \ud 1.52_0.18 \ud (stat.)_o \ud 13 \ud ' \ud -019 \ud (stat.)_o \ud 14 \ud (syst.) \ud ps, \ud z-/Zo \ud = \ud 00g+o \ud 19 \ud (stat.)+o \ud IS \ud (syst).
Details
Language :
English
ISSN :
03702693
Database :
OpenAIRE
Journal :
Scopus-Elsevier
Accession number :
edsair.dedup.wf.001..642d6fb2b230e687c80c77b348f2bf58