A measurement of the inclusive b -> s gamma branching ratio

Barate, R; Buskulic, D; Decamp, D; Ghez, P; Goy, C; Lees, Jp; Lucotte, A; Merle, E; Minard, Mn; Nief, Jy; Pietrzyk, B; Alemany, R; Boix, G; Casado, Mp; Chmeissani, M; Crespo, Jm; Delfino, M; Fernandez, E; Fernandez Bosman, M; Garrido, L; Grauges, E; Juste, A; Martinez, M; Merino, G; Miquel, R; Mir, Lm; Park, Ic; Pascual, A; Perlas, Ja; Riu, I; Sanchez, F; Colaleo, A; Creanza, D; de Palma, M; Gelao, G; Iaselli, G; Maggi, G; Maggi, M; Nuzzo, S; Ranieri, A; Raso, G; Ruggieri, F; Selvaggi, G; Silvestris, L; Tempesta, P; Tricomi, A; Zito, G; Huang, X; Lin, J; Ouyang, Q; Wang, T; Xie, Y; Xu, R; Xue, S; Zhang, J; Zhang, L; Zhao, W; Abbaneo, D; Becker, U; Bright Thomas, P; Casper, D; Cattaneo, M; Ciulli, V; Dissertori, G; Drevermann, H; Forty, Rw; Frank, M; Hagelberg, R; Hansen, Jb; Harvey, J; Janot, P; Jost, B; Lehraus, I; Mato, P; Minten, A; Moneta, L; Pacheco, A; Pusztaszeri, Jf; Ranjard, F; Rolandi, L; Rousseau, D; Schlatter, D; Schmitt, M; Schneider, O; Tejessy, W; Teubert, F; Tomalin, Ir; Wachsmuth, H; Ajaltouni, Z; Badaud, F; Chazelle, G; Deschamps, O; Falvard, A; Ferdi, C; Gay, P; Guicheney, C; Henrard, P; Jousset, J; Michel, B; Monteil, S; Montret, Jc; Pallin, D; Perret, P; Podlyski, F; Proriol, J; Rosnet, P; Hansen, Jd; Hansen, Jr; Hansen, Ph; Nilsson, Bs; Rensch, B; Waananen, A; Daskalakis, G; Kyriakis, A; Markou, C; Simopoulou, E; Siotis, I; Vayaki, A; Blondel, A; Bonneaud, G; Brient, Jc; Bourdon, P; Rouge, A; Rumpf, M; Valassi, A; Verderi, M; Videau, H; Focardi, E; Parrini, G; Zachariadou, K; Corden, M; Georgiopoulos, C; Jaffe, De; Antonelli, A; Bencivenni, G; Bologna, G; Bossi, F; Campana, P; Capon, G; Cerutti, F; Chiarella, V; Felici, G; Laurelli, P; Mannocchi, G; Murtas, F; Murtas, Gp; Passalacqua, L; Pepe Altarelli, M; Curtis, L; Halley, Aw; Lynch, Jg; Negus, P; O'Shea, V; Raine, C; Scarr, Jm; Smith, K; Teixeira Dias, P; Thompson, As; Thomson, E; Buchmuller, O; Dhamotharan, S; Geweniger, C; Graefe, G; Hanke, P; Hansper, G; Hepp, V; Kluge, Ee; Putzer, A; Sommer, J; Tittel, K; Werner, S; Wunsch, M; Beuselinck, R; Binnie, Dm; Cameron, W; Dornan, Pj; Girone, M; Goodsir, S; Martin, Eb; Marinelli, N; Moutoussi, A; Nash, J; Sedgbeer, Jk; Spagnolo, P; Williams, Md; Ghete, Vm; Girtler, P; Kneringer, E; Kuhn, D; Rudolph, G; Betteridge, Ap; Bowdery, Ck; Buck, Pg; Colrain, P; Crawford, G; Finch, Aj; Foster, F; Hughes, G; Jones, Rwl; Robertson, Na; Sloan, T; Williams, Mi; Giehl, I; Greene, Am; Hoffman, C; Jakobs, K; Kleinknecht, K; Quast, G; Renk, B; Rohne, E; Sander, Hg; van Gemmeren, P; Zeitnitz, C; Aubert, Jj; Benchouk, C; Bonissent, A; Bujosa, G; Carr, J; Coyle, P; Etienne, F; Leroy, O; Motsch, F; Payre, P; Talby, M; Sadouki, A; Thulasidas, M; Trabelsi, K; Aleppo, M; Antonelli, M; Ragusa, F; Berlich, R; Blum, W; Buscher, V; Dietl, H; Ganis, G; Kroha, H; Lutjens, G; Mannert, C; Manner, W; Moser, Hg; Schael, S; Settles, R; Seywerd, H; Stenzel, H; Wiedenmann, W; Wolf, G; Boucrot, J; Callot, O; Chen, S; Cordier, A; Davier, M; Duflot, L; Grivaz, Jf; Heusse, P; Hocker, A; Jacholkowska, A; Kim, Dw; Le Diberder, F; Lefrancois, J; Lutz, Am; Schune, Mh; Tournefier, E; Veillet, Jj; Videau, I; Zerwas, D; Azzurri, P; Bagliesi, G; Batignani, Giovanni; Bettarini, Stefano; Boccali, T; Bozzi, C; Calderini, G; Carpinelli, Massimo; Ciocci, Ma; Dell'Orso, R; Fantechi, R; Ferrante, Isidoro; Foa, L; Forti, Francesco; Giassi, A; Giorgi, Marcello; Gregorio, A; Ligabue, F; Lusiani, A; Marrocchesi, Ps; Messineo, Alberto Maria; Palla, F; Rizzo, Giuliana; Sanguinetti, G; Sciaba, A; Sguazzoni, G; Tenchini, R; Tonelli, Guido Emilio; Vannini, C; Venturi, A; Verdini, Pg; Blair, Ga; Bryant, Lm; Chambers, Jt; Green, Mg; Medcalf, T; Perrodo, P; Strong, Ja; von Wimmersperg Toeller JH,; Botterill, Dr; Clifft, Rw; Edgecock, Tr; Haywood, S; Norton, Pr; Thompson, Jc; Wright, Ae; Bloch Devaux, B; Colas, P; Emery, S; Kozanecki, W; Lancon, E; Lemaire, Mc; Locci, E; Perez, P; Rander, J; Renardy, Jf; Roussarie, A; Schuller, Jp; Schwindling, J; Trabelsi, A; Vallage, B; Black, Sn; Dann, Jh; Johnson, Rp; Kim, Hy; Konstantinidis, N; Litke, Am; McNeil, Ma; Taylor, G; Booth, Cn; Brew, Caj; Cartwright, S; Combley, F; Kelly, Ms; Lehto, M; Reeve, J; Thompson, Lf; Affholderbach, K; Bohrer, A; Brandt, S; Cowan, G; Grupen, C; Saraiva, P; Smolik, L; Stephan, F; Giannini, G; Gobbo, B; Musolino, G; Rothberg, J; Wasserbaech, S; Armstrong, Sr; Charles, E; Elmer, P; Ferguson, Dps; Gao, Y; Gonzalez, S; Greening, Tc; Hayes, Oj; Hu, H; Jin, S; McNamara, Pa; Nachtman, Jm; Nielsen, J; Orejudos, W; Pan, Yb; Saadi, Y; Scott, Lj; Walsh, J; Wu, Sl; Wu, X; Zobernig, G. Zobernig Gernig Gs M. B.; Tonwar, S. C.; Twedt, E.; Apyan, A.; Bauer, G.; Bendavid, J.; Busza, W.; Butz, E.; Cali, I. A.; Chan, M.; Dutta, V.; Gomez Ceballos, G.; Goncharov, M.; Hahn, K. A.; Kim, Y.; Klute, M.; Krajczar, K.; Li, W.; Luckey, P. D.; Ma, T.; Nahn, S.; Paus, C.; Ralph, D.; Roland, C.; Roland, G.; Rudolph, M.; Stephans, G. S. F.; Stoeckli, F.; Sumorok, K.; Sung, K.; Velicanu, D.; Wenger, E. A.; Wolf, R.; Wyslouch, B.; Yang, M.; Yilmaz, Y.; Yoon, A. S.; Zanetti, M.; Cooper, S. I.; Dahmes, B.; De Benedetti, A.; Franzoni, G.; Gude, A.; Kao, S. C.; Klapoetke, K.; Kubota, Y.; Mans, J.; Pastika, N.; Rusack, R.; Sasseville, M.; Singovsky, A.; Tambe, N.; Turkewitz, J.; Cremaldi, L. M.; Kroeger, R.; Perera, L.; Rahmat, R.; Sanders, D. A.; Avdeeva, E.; Bloom, K.; Bose, S.; Butt, J.; Claes, D. R.; Dominguez, A.; Eads, M.; Keller, J.; Kravchenko, I.; Lazo Flores, J.; Malbouisson, H.; Malik, S.; Snow, G. R.; Baur, U.; Godshalk, A.; Iashvili, I.; Jain, S.; Kharchilava, A.; Kumar, A.; Shipkowski, S. P.; Smith, K.; Alverson, G.; Barberis, E.; Baumgartel, D.; Chasco, M.; Haley, J.; Nash, D.; Trocino, D.; Wood, D.; Zhang, J.; Anastassov, A.; Kubik, A.; Mucia, N.; Odell, N.; Ofierzynski, R. A.; Pollack, B.; Pozdnyakov, A.; Schmitt, M.; Stoynev, S.; Velasco, M.; Won, S.; Antonelli, L.; Berry, D.; Brinkerhoff, A.; Hildreth, M.; Jessop, C.; Karmgard, D. J.; Kolb, J.; Lannon, K.; Luo, W.; Lynch, S.; Marinelli, N.; Morse, D. M.; Pearson, T.; Planer, M.; Ruchti, R.; Slaunwhite, J.; Valls, N.; Wayne, M.; Wolf, M.; Bylsma, B.; Durkin, L. S.; Hill, C.; Hughes, R.; Kotov, K.; Ling, T. Y.; Puigh, D.; Rodenburg, M.; Vuosalo, C.; Williams, G.; Winer, B. 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G.; Florez, C.; Greene, S.; Gurrola, A.; Johns, W.; Johnston, C.; Kurt, P.; Maguire, C.; Melo, A.; Sharma, M.; Sheldon, P.; Snook, B.; Tuo, S.; Velkovska, J.; Arenton, M. W.; Balazs, M.; Boutle, S.; Cox, B.; Francis, B.; Goodell, J.; Hirosky, R.; Ledovskoy, A.; Lin, C.; Neu, C.; Wood, J.; Yohay, R.; Gollapinni, S.; Harr, R.; Karchin, P. E.; Kottachchi Kankanamge, Don C.; Lamichhane, P.; Sakharov, A.; Anderson, M.; Bachtis, M.; Belknap, D.; Borrello, L.; Carlsmith, D.; Cepeda, M.; Dasu, S.; Gray, L.; Grogg, K. S.; Grothe, M.; Hall Wilton, R.; Herndon, M.; Herve, A.; Klabbers, P.; Klukas, J.; Lanaro, A.; Lazaridis, C.; Leonard, J.; Loveless, R.; Mohapatra, A.; Ojalvo, I.; Palmonari, F.; Pierro, G.; Nikitenko, A.; Papageorgiou, A.; Pesaresi, M.; Petridis, K.; Pioppi, M.; Raymond, D. M.; Rogerson, S.; Rompotis, N.; Rose, A.

doi:10.1016/S0370-2693(98)00404-3

The flavour changing neutral current decay b --> s gamma has been detected in hadronic Z decays collected by ALEPH at LEP. The signal is isolated in lifetime-tagged b (b) over bar events by the presence of a hard photon associated with a system of high momentum and high rapidity hadrons. The background processes are normalised from the data themselves. The inclusive branching ratio is measured to be (3.11 +/- 0.80(stat) +/- 0.72(syst)) x 10(-4), consistent with the Standard Model expectation via penguin processes. (C) 1998 Published by Elsevier Science B.V. All rights reserved.

Autori interni:	Barate R Buskulic D Decamp D Ghez P Goy C Lees JP Lucotte A Merle E Minard MN Nief JY Pietrzyk B Alemany R Boix G Casado MP Chmeissani M Crespo JM Delfino M Fernandez E Fernandez Bosman M Garrido L Grauges E Juste A Martinez M Merino G Miquel R Mir LM Park IC Pascual A Perlas JA Riu I Sanchez F Colaleo A Creanza D de Palma M Gelao G Iaselli G Maggi G Maggi M Nuzzo S Ranieri A Raso G Ruggieri F Selvaggi G Silvestris L Tempesta P Tricomi A Zito G Huang X Lin J Ouyang Q Wang T Xie Y Xu R Xue S Zhang J Zhang L Zhao W Abbaneo D Becker U Bright Thomas P Casper D Cattaneo M Ciulli V Dissertori G Drevermann H Forty RW Frank M Hagelberg R Hansen JB Harvey J Janot P Jost B Lehraus I Mato P Minten A Moneta L Pacheco A Pusztaszeri JF Ranjard F Rolandi L Rousseau D Schlatter D Schmitt M Schneider O Tejessy W Teubert F Tomalin IR Wachsmuth H Ajaltouni Z Badaud F Chazelle G Deschamps O Falvard A Ferdi C Gay P Guicheney C Henrard P Jousset J Michel B Monteil S Montret JC Pallin D Perret P Podlyski F Proriol J Rosnet P Hansen JD Hansen JR Hansen PH Nilsson BS Rensch B Waananen A Daskalakis G Kyriakis A Markou C Simopoulou E Siotis I Vayaki A Blondel A Bonneaud G Brient JC Bourdon P Rouge A Rumpf M Valassi A Verderi M Videau H Focardi E Parrini G Zachariadou K Corden M Georgiopoulos C Jaffe DE Antonelli A Bencivenni G Bologna G Bossi F Campana P Capon G Cerutti F Chiarella V Felici G Laurelli P Mannocchi G Murtas F Murtas GP Passalacqua L Pepe Altarelli M Curtis L Halley AW Lynch JG Negus P O'Shea V Raine C Scarr JM Smith K Teixeira Dias P Thompson AS Thomson E Buchmuller O Dhamotharan S Geweniger C Graefe G Hanke P Hansper G Hepp V Kluge EE Putzer A Sommer J Tittel K Werner S Wunsch M Beuselinck R Binnie DM Cameron W Dornan PJ Girone M Goodsir S Martin EB Marinelli N Moutoussi A Nash J Sedgbeer JK Spagnolo P Williams MD Ghete VM Girtler P Kneringer E Kuhn D Rudolph G Betteridge AP Bowdery CK Buck PG Colrain P Crawford G Finch AJ Foster F Hughes G Jones RWL Robertson NA Sloan T Williams MI Giehl I Greene AM Hoffman C Jakobs K Kleinknecht K Quast G Renk B Rohne E Sander HG van Gemmeren P Zeitnitz C Aubert JJ Benchouk C Bonissent A Bujosa G Carr J Coyle P Etienne F Leroy O Motsch F Payre P Talby M Sadouki A Thulasidas M Trabelsi K Aleppo M Antonelli M Ragusa F Berlich R Blum W Buscher V Dietl H Ganis G Kroha H Lutjens G Mannert C Manner W Moser HG Schael S Settles R Seywerd H Stenzel H Wiedenmann W Wolf G Boucrot J Callot O Chen S Cordier A Davier M Duflot L Grivaz JF Heusse P Hocker A Jacholkowska A Kim DW Le Diberder F Lefrancois J Lutz AM Schune MH Tournefier E Veillet JJ Videau I Zerwas D Azzurri P Bagliesi G BATIGNANI, GIOVANNI BETTARINI, STEFANO Boccali T Bozzi C Calderini G CARPINELLI, MASSIMO Ciocci MA Dell'Orso R Fantechi R FERRANTE, ISIDORO Foa L FORTI, FRANCESCO Giassi A GIORGI, MARCELLO Gregorio A Ligabue F Lusiani A Marrocchesi PS MESSINEO, ALBERTO MARIA Palla F RIZZO, GIULIANA Sanguinetti G Sciaba A Sguazzoni G Tenchini R TONELLI, GUIDO EMILIO Vannini C Venturi A Verdini PG Blair GA Bryant LM Chambers JT Green MG Medcalf T Perrodo P Strong JA von Wimmersperg Toeller JH Botterill DR Clifft RW Edgecock TR Haywood S Norton PR Thompson JC Wright AE Bloch Devaux B Colas P Emery S Kozanecki W Lancon E Lemaire MC Locci E Perez P Rander J Renardy JF Roussarie A Schuller JP Schwindling J Trabelsi A Vallage B Black SN Dann JH Johnson RP Kim HY Konstantinidis N Litke AM McNeil MA Taylor G Booth CN Brew CAJ Cartwright S Combley F Kelly MS Lehto M Reeve J Thompson LF Affholderbach K Bohrer A Brandt S Cowan G Grupen C Saraiva P Smolik L Stephan F Giannini G Gobbo B Musolino G Rothberg J Wasserbaech S Armstrong SR Charles E Elmer P Ferguson DPS Gao Y Gonzalez S Greening TC Hayes OJ Hu H Jin S McNamara PA Nachtman JM Nielsen J Orejudos W Pan YB Saadi Y Scott LJ Walsh J Wu SL Wu X Zobernig G. 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Marono M. Vidal Yoo H. D. Zablocki J. Zheng Y. Guragain S. Parashar N. Adair A. Boulahouache C. Ecklund K. M. Geurts F. J. M. Padley B. P. Redjimi R. Roberts J. Zabel J. Betchart B. Bodek A. Chung Y. S. Covarelli R. de Barbaro P. Demina R. Eshaq Y. Garcia Bellido A. Goldenzweig P. Han J. Harel A. Miner D. C. Vishnevskiy D. Zielinski M. Bhatti A. Ciesielski R. Demortier L. Goulianos K. Lungu G. Malik S. Mesropian C. Arora S. Barker A. Chou J. P. Contreras Campana C. Contreras Campana E. Duggan D. Ferencek D. Gershtein Y. Gray R. Halkiadakis E. Hidas D. Lath A. Panwalkar S. Park M. Patel R. Rekovic V. Robles J. Rose K. Salur S. Schnetzer S. Seitz C. Somalwar S. Stone R. Thomas S. Cerizza G. Hollingsworth M. Spanier S. Yang Z. C. York A. Eusebi R. Flanagan W. Gilmore J. Kamon T. Khotilovich V. Montalvo R. Osipenkov I. Pakhotin Y. Perloff A. Roe J. Safonov A. Sakuma T. Sengupta S. Suarez I. Tatarinov A. Toback D. Akchurin N. Damgov J. Dudero P. R. Jeong C. Kovitanggoon K. Lee S. W. Libeiro T. Roh Y. Volobouev I. Appelt E. Delannoy A. G. Florez C. Greene S. Gurrola A. Johns W. Johnston C. Kurt P. Maguire C. Melo A. Sharma M. Sheldon P. Snook B. Tuo S. Velkovska J. Arenton M. W. Balazs M. Boutle S. Cox B. Francis B. Goodell J. Hirosky R. Ledovskoy A. Lin C. Neu C. Wood J. Yohay R. Gollapinni S. Harr R. Karchin P. E. Don C. Kottachchi Kankanamge Lamichhane P. Sakharov A. Anderson M. Bachtis M. Belknap D. Borrello L. Carlsmith D. Cepeda M. Dasu S. Gray L. Grogg K. S. Grothe M. Hall Wilton R. Herndon M. Herve A. Klabbers P. Klukas J. Lanaro A. Lazaridis C. Leonard J. Loveless R. Mohapatra A. Ojalvo I. Palmonari F. Pierro G. Nikitenko A. Papageorgiou A. Pesaresi M. Petridis K. Pioppi M. Raymond D. M. Rogerson S. Rompotis N. Rose A. mostra contributor esterni nascondi contributor esterni
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Titolo:	A measurement of the inclusive b -> s gamma branching ratio
Anno del prodotto:	1998
Digital Object Identifier (DOI):	10.1016/S0370-2693(98)00404-3
Appare nelle tipologie:	1.1 Articolo in rivista

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http://hdl.handle.net/11568/177702

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