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MEASUREMENT OF THE D-ASTERISK(+/-) CROSS-SECTION IN 2-PHOTON COLLISIONS AT LEP
Authors :
BUSKULIC D CASPER D DEBONIS I DECAMP D GHEZ P GOY C LEES JP MINARD MN ODIER P PIETRZYK B ARIZTIZABAL F CHMEISSANI M CRESPO JM EFTHYMIOPOULOS I FERNANDEZ E FERNANDEZBOSMAN M GAITAN V GARRIDO L MARTINEZ M ORTEU S PACHECO A PADILLA C PALLA F PASCUAL A PERLAS JA SANCHEZ F TEUBERT F CREANZA D DEPALMA M FARILLA A IASELLI G MAGGI G MARINELLI N NATALI S NUZZO S RANIERI A RASO G ROMANO F RUGGIERI F SELVAGGI G SILVESTRIS L TEMPESTA P ZITO G HUANG X LIN J OUYANG Q WANG T XIE Y XU R XUE S ZHANG J ZHANG L ZHAO W BONVICINI G CATTANEO M COMAS P COYLE P DREVERMANN H ENGELHARDT A FORTY RW FRANK M GIRONE M HAGELBERG R HARVEY J JACOBSEN R JANOT P JOST B KNOBLOCH J LEHRAUS I MAGGI M MARKOU C MARTIN EB MATO P MEINHARD H MINTEN A MIQUEL R OEST T PALAZZI P PATER JR PERRODO P PUSZTASZERI JF RANJARD F RENSING P SCHLATTER D SCHMELLING M SCHNEIDER O TEJESSY W TOMALIN IR VENTURI A WACHSMUTH H WIEDENMANN W WILDISH T WITZELING W WOTSCHACK J AJALTOUNI Z BARDADINOTWINOWSKA M BARRES A BOYER C FALVARD A GAY P GUICHENEY C HENRARD P JOUSSET J MICHEL B MONTEIL S MONTRET JC PALLIN D PERRET P PODLYSKI F PRORIOL J ROSSIGNOL JM SAADI F FEARNLEY T HANSEN JB HANSEN JD HANSEN JR HANSEN PH NILSSON BS KYRIAKIS A SIMOPOULOU E SIOTIS I VAYAKI A ZACHARIADOU K BLONDEL A BONNEAUD G BRIENT JC BOURDON P PASSALACQUA L ROUGE A RUMPF M TANAKA R VALASSI A VERDERI M VIDEAU H CANDLIN DJ PARSONS MI FOCARDI E PARRINI G CORDEN M DELFINO 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 PEPEALTARELLI M DORRIS SJ HALLEY AW TENHAVE I KNOWLES IG LYNCH JG MORTON WT OSHEA V RAINE C REEVES P SCARR JM SMITH K SMITH MG THOMPSON AS THOMSON F THORN S TURNBULL RM BECKER U BRAUN O GEWENIGER C GRAEFE G HANKE P HEPP V KLUGE EE PUTZER A RENSCH B SCHMIDT M SOMMER J STENZEL H TITTEL K WERNER S WUNSCH M BEUSELINCK R BINNIE DM CAMERON W COLLING DJ DORNAN PJ KONSTANTINIDIS N MONETA L MOUTOUSSI A NASH J SANMARTIN G SEDGBEER JK STACEY AM DISSERTORI G GIRTLER P KNERINGER E KUHN D RUDOLPH G BOWDERY CK BRODBECK TJ COLRAIN P CRAWFORD G FINCH AJ FOSTER F HUGHES G SLOAN T WHELAN EP WILLIAMS MI GALLA A GREENE AM KLEINKNECHT K QUAST G RAAB J RENK B SANDER HG WANKE R ZEITNITZ C AUBERT JJ BENCHEIKH AM BENCHOUK C BONISSENT A BUJOSA G CALVET D CARR J DIACONU C ETIENNE F THULASIDAS M NICOD D PAYRE P ROUSSEAU D TALBY M ABT I ASSMANN R BAUER C BLUM W BROWN D DIETL H DYDAK F GOTZHEIN C JAKOBS K KROHA H LUTJENS G LUTZ G MANNER W MOSER HG RICHTER R ROSADOSCHLOSSER A SETTLES R SEYWERD H STIERLIN U STDENIS R WOLF G ALEMANY R BOUCROT J CALLOT O CORDIER A COURAULT F DAVIER M DUFLOT L GRIVAZ JF HEUSSE P JACQUET M KIM DW LEDIBERDER F LEFRANCOIS J LUTZ AM MUSOLINO G NIKOLIC I PARK HJ PARK IC SCHUNE MH SIMION S VEILLET JJ VIDEAU I ABBANEO D AZZURRI P BAGLIESI G BATIGNANI G BETTARINI S BOZZI C CALDERINI G CARPINELLI M CIOCCI MA CIULLI V DELLORSO R FANTECHI R FERRANTE I FOA L FORTI F GIASSI A GIORGI MA GREGORIO A LUSIANI, Alberto MARROCCHESI PS MESSINEO A RIZZO G SANGUINETTI G SCIABA A SPAGNOLO P STEINBERGER J TENCHINI R TONELLI G TRIGGIANI G VANNINI C VERDINI PG WALSH J BETTERIDGE AP BLAIR GA BRYANT LM GAO Y GREEN MG JOHNSON DL MEDCALF T MIR LM STRONG JA BERTIN V BOTTERILL DR CLIFFT RW EDGECOCK TR HAYWOOD S EDWARDS M MALEY P NORTON PR THOMPSON JC BLOCHDEVAUX B COLAS P DUARTE H EMERY S KOZANECKI W LANCON E LEMAIRE MC LOCCI E MARX B PEREZ P RANDER J RENARDY JF ROSOWSKY A ROUSSARIE A SCHULLER JP SCHWINDLING J MOHAND DS TRABELSI A VALLAGE B JOHNSON RP KIM HY LITKE AM MCNEIL MA TAYLOR G BEDDALL A BOOTH CN BOSWELL R CARTWRIGHT S COMBLEY F DAWSON I KOKSAL A LETHO M NEWTON WM RANKIN C THOMPSON LF BOHRER A BRANDT S COWAN G FEIGL E GRUPEN C LUTTERS G MINGUETRODRIGUEZ J RIVERA F SARAIVA P SMOLIK L STEPHAN F BOSISIO L DELLAMARINA R GANIS G GIANNINI G GOBBO B PITIS L RAGUSA F ROTHBERG J WASSERBAECH S ARMSTRONG SR BELLANTONI L ELMER P FENG Z FERGUSON DPS GAO YS GONZALEZ S GRAHL J HARTON JL HAYES OJ HU H MCNAMARA PA NACHTMAN JM OREJUDOS W PAN YB SAADI Y SCHMITT M SCOTT IJ SHARMA V TURK JD WALSH AM WEBER FV WU SL WU X YAMARTINO JM ZHENG M ZOBERNIG G RI ANTONELLI ANTONELLA/C 6238 2011 Passalacqua Luca/F 5127 2011 Murtas Fabrizio/B 5729 2012 S.t. Denis Richard/C 8997 2012 Ferrante Isidoro/F 1017 2012 Sanchez Federico/F 5809 2012 ROLANDI, LUIGI LIGABUE, FRANCO Buskulic, D Casper, D Debonis, I Decamp, D Ghez, P Goy, C Lees, Jp Minard, Mn Odier, P Pietrzyk, B Ariztizabal, F Chmeissani, M Crespo, Jm Efthymiopoulos, I Fernandez, E Fernandezbosman, M Gaitan, V Garrido, L Martinez, M Orteu, S Pacheco, A Padilla, C Palla, F Pascual, A Perlas, Ja Sanchez, F Teubert, F Creanza, D Depalma, M Farilla, A Iaselli, G Maggi, G Marinelli, N Natali, S Nuzzo, S Ranieri, A Raso, G Romano, F Ruggieri, F Selvaggi, G Silvestris, L Tempesta, P Zito, G Huang, X Lin, J Ouyang, Q Wang, T Xie, Y Xu, R Xue, S Zhang, J Zhang, L Zhao, W Bonvicini, G Cattaneo, M Comas, P Coyle, P Drevermann, H Engelhardt, A Forty, Rw Frank, M Girone, M Hagelberg, R Harvey, J Jacobsen, R Janot, P Jost, B Knobloch, J Lehraus, I Maggi, M Markou, C Martin, Eb Mato, P Meinhard, H Minten, A Miquel, R Oest, T Palazzi, P Pater, Jr Perrodo, P Pusztaszeri, Jf Ranjard, F Rensing, P Rolandi, Luigi Schlatter, D Schmelling, M Schneider, O Tejessy, W Tomalin, Ir Venturi, A Wachsmuth, H Wiedenmann, W Wildish, T Witzeling, W Wotschack, J Ajaltouni, Z Bardadinotwinowska, M Barres, A Boyer, C Falvard, A Gay, P Guicheney, C Henrard, P Jousset, J Michel, B Monteil, S Montret, Jc Pallin, D Perret, P Podlyski, F Proriol, J Rossignol, Jm Saadi, F Fearnley, T Hansen, Jb Hansen, Jd Hansen, Jr Hansen, Ph Nilsson, B Kyriakis, A Simopoulou, E Siotis, I Vayaki, A Zachariadou, K Blondel, A Bonneaud, G Brient, Jc Bourdon, P Passalacqua, L Rouge, A Rumpf, M Tanaka, R Valassi, A Verderi, M Videau, H Candlin, Dj Parsons, Mi Focardi, E Parrini, G Corden, M Delfino, 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 Pepealtarelli, M Dorris, Sj Halley, Aw Tenhave, I Knowles, Ig Lynch, Jg Morton, Wt Oshea, V Raine, C Reeves, P Scarr, Jm Smith, K Smith, Mg Thompson, A Thomson, F Thorn, S Turnbull, Rm Becker, U Braun, O Geweniger, C Graefe, G Hanke, P Hepp, V Kluge, Ee Putzer, A Rensch, B Schmidt, M Sommer, J Stenzel, H Tittel, K Werner, S Wunsch, M Beuselinck, R Binnie, Dm Cameron, W Colling, Dj Dornan, Pj Konstantinidis, N Moneta, L Moutoussi, A Nash, J Sanmartin, G Sedgbeer, Jk Stacey, Am Dissertori, G Girtler, P Kneringer, E Kuhn, D Rudolph, G Bowdery, Ck Brodbeck, Tj Colrain, P Crawford, G Finch, Aj Foster, F Hughes, G Sloan, T Whelan, Ep Williams, Mi Galla, A Greene, Am Kleinknecht, K Quast, G Raab, J Renk, B Sander, Hg Wanke, R Zeitnitz, C Aubert, Jj Bencheikh, Am Benchouk, C Bonissent, A Bujosa, G Calvet, D Carr, J Diaconu, C Etienne, F Thulasidas, M Nicod, D Payre, P Rousseau, D Talby, M Abt, I Assmann, R Bauer, C Blum, W Brown, D Dietl, H Dydak, F Gotzhein, C Jakobs, K Kroha, H Lutjens, G Lutz, G Manner, W Moser, Hg Richter, R Rosadoschlosser, A Settles, R Seywerd, H Stierlin, U Stdenis, R Wolf, G Alemany, R Boucrot, J Callot, O Cordier, A Courault, F Davier, M Duflot, L Grivaz, Jf Heusse, P Jacquet, M Kim, Dw Lediberder, F Lefrancois, J Lutz, Am Musolino, G Nikolic, I Park, Hj Park, Ic Schune, Mh Simion, S Veillet, Jj Videau, I Abbaneo, D Azzurri, P Bagliesi, G Batignani, G Bettarini, S Bozzi, C Calderini, G Carpinelli, M Ciocci, Ma Ciulli, V Dellorso, R Fantechi, R Ferrante, I Foa, L Forti, F Giassi, A Giorgi, Ma Gregorio, A Ligabue, Franco Lusiani, Alberto Marrocchesi, P Messineo, A Rizzo, G Sanguinetti, G Sciaba, A Spagnolo, P Steinberger, J Tenchini, R Tonelli, G Triggiani, G Vannini, C Verdini, Pg Walsh, J Betteridge, Ap Blair, Ga Bryant, Lm Gao, Y Green, Mg Johnson, Dl Medcalf, T Mir, Lm Strong, Ja Bertin, V Botterill, Dr Clifft, Rw Edgecock, Tr Haywood, S Edwards, M Maley, P Norton, Pr Thompson, Jc Blochdevaux, B Colas, P Duarte, H Emery, S Kozanecki, W Lancon, E Lemaire, Mc Locci, E Marx, B Perez, P Rander, J Renardy, Jf Rosowsky, A Roussarie, A Schuller, Jp Schwindling, J Mohand, D Trabelsi, A Vallage, B Johnson, Rp Kim, Hy Litke, Am Mcneil, Ma Taylor, G Beddall, A Booth, Cn Boswell, R Cartwright, S Combley, F Dawson, I Koksal, A Letho, M Newton, Wm Rankin, C Thompson, Lf Bohrer, A Brandt, S Cowan, G Feigl, E Grupen, C Lutters, G Minguetrodriguez, J Rivera, F Saraiva, P Smolik, L Stephan, F Bosisio, L Dellamarina, R Ganis, G Giannini, G Gobbo, B Pitis, L Ragusa, F Rothberg, J Wasserbaech, S Armstrong, Sr Bellantoni, L Elmer, P Feng, Z Ferguson, Dp Gonzalez, S Grahl, J Harton, Jl Hayes, Oj Hu, H Mcnamara, Pa Nachtman, Jm Orejudos, W Pan, Yb Saadi, Y Schmitt, M Scott, Ij Sharma, V Turk, Jd Walsh, Am Weber, Fv Wu, Sl Wu, X Yamartino, Jm Zheng, M Zobernig, G Denis Richard/C 8997 2012 Ferrante Isidoro/F 1017 2012 Sanchez Federico/F 5809 2012, RI ANTONELLI ANTONELLA/C 6238 2011 Passalacqua Luca/F 5127 2011 Murtas Fabrizio/B 5729 2012 S. t.
Publication Year :
1995
Abstract
The inclusive production of D*(+/-) mesons in photon-photon collisions has been measured by the Aleph experiment at LEP with a beam energy of 45 GeV. The D*(+) are detected in their decay to D-0 pi(+) with the D-0 observed in three separate decay modes: (1) K(-)pi(+), (2) K(-)pi(+)pi(0) and (3) K(-)pi(+)pi(-)pi(+), and analagously for the D*(-) modes. A total of 33 events was observed from an integrated luminosity of 73 pb(-1) which corresponds to a cross section for sigma(e(+)e(-) --> e(+)e(-)D*(+/-)X) of 155+/-33+/-21 pb, This result is compatible with both the direct production gamma gamma --> in the Born approximation and with a more complete calculation which includes both radiative QCD corrections and contributions in which one of the photons is first resolved into its quark and gluon constituents. The shapes of distributions for events containing a D*(+) are found to be better described by the latter.
Details
Database :
OpenAIRE
Accession number :
edsair.od......4054..39a0a8b2d6250607f4c6c949f0ef88bf