A STUDY OF SINGLE AND MULTIPHOTON PRODUCTION IN E(-) COLLISIONS AT CENTER-OF-MASS ENERGIES OF 130 AND 136 GEV()E()

Authors
BUSKULIC D DEBONIS I DECAMP D GHEZ P GOY C LEES JP LUCOTTE A MINARD MN ODIER P PIETRZYK B CASADO MP CHMEISSANI M CRESPO JM DELFINO M EFTHYMIOPOULOS I FERNANDEZ E FERNANDEZBOSMAN M GARRIDO L JUSTE A MARTINEZ M ORTEU S PADILLA C PASCUAL A PERLAS JA RIU I SANCHEZ E TEUBERT F COLALEO A CREANZA D DEPALMA M GELAO G GIRONE M IASELLI G MAGGI G MAGGI M MARINELLI N NUZZO S RANIERI A RASO G 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 ALEMANY R BAZARKO AO CATTANEO M COMAS P COYLE P DREVERMANN H FORTY RW FRANK M HAGELBERG R HARVEY J JANOT P JOST B KNERINGER E KNOBLOCH J LEHRAUS I LUTTERS G MARTIN EB MATO P MINTEN A MIQUEL R MIR LM MONETA L OEST T PACHECO A PUSZTASZERI JF RANJARD F RENSING P ROLANDI L SCHLATTER D SCHMELLING M SCHNEIDER O TEJESSY W TOMALIN IR VENTURI A WACHSMUTH H WAGNER A AJALTOUNI Z 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 ROSNET P ROSSIGNOL JM FEARNLEY T HANSEN JB HANSEN JD HANSEN JR HANSEN PH NILSSON BS WAANANEN A KYRIAKIS A MARKOU C SIMOPOULOU E SIOTIS I VAYAKI A ZACHARIADOU K BLONDEL A BRIENT JC ROUGE A RUMPF M VALASSI A VIDEAU H FOCARDI E PARRINI G CORDEN M GEORGIOPOULOS C JAFFE DE ANTONELLI A BENCIVENNI G BOLOGNA G BOSSI F CAMPANA P CAPON G CASPER D CHIARELLA V FELICI G LAURELLI P MANNOCCHI G MURTAS GP PASSALACQUA L PEPEALTARELLI M CURTIS L DORRIS SJ HALLEY AW KNOWLES IG LYNCH JG OSHEA V RAINE C REEVES P SCARR JM SMITH K THOMPSON AS THOMSON F THORN S TURNBULL RM BECKER U GEWENIGER C GRAEFE G HANKE P HANSPER G HEPP V KLUGE EE PUTZER A RENSCH B SCHMIDT M SOMMER J STENZEL H TITTEL K WERNER S WUNSCH M ABBANEO D BEUSELINCK R BINNIE DM CAMERON W DORNAN PJ MOUTOUSSI A NASH J SEDGBEER JK STACEY AM WILLIAMS MD DISSERTORI G GIRTLER P KUH D RUDOLPH G BETTERIDGE AP BOWDERY CK COLRAIN P CRAWFORD G FINCH AJ FOSTER F HUGHES G SLOAN T WHELAN EP WILLIAMS MI GALLA A GREENE AM HOFFMANN C KLEINKNECHT K QUAST G RENK B ROHNE E SANDER HG VANGEMMEREN P ZEITNITZ C AUBERT JJ BENCHEIKH AM BENCHOUK C BONISSENT A BUJOSA G CALVET D CARR J DIACONU C KONSTANTINIDIS N PAYRE P ROUSSEAU D TALBY M SADOUKI A THULASIDAS M TILQUIN A TRABELSI K ALEPPO M RAGUSA F ABT I ASSMANN R BAUER C BLUM W DIETL H DYDAK F GANIS G GOTZHEIN C JAKOBS K KROHA H LUTJENS G LUTZ G MANNER W MOSER HG RICHTER R ROSADOSCHLOSSER A SCHAEL S SETTLES R SEYWERD H STDENIS R WIEDENMANN W WOLF G BOUCROT J CALLOT O CORDIER A DAVIER M DUFLOT L GRIVAZ JF HEUSSE P HOCKER A JACQUET M KIM DW LEDIBERDER F LEFRANCOIS J LUTZ AM NIKOLIC I PARK HJ PARK IC SCHUNE MH SIMION S VEILLET JJ VIDEAU I ZERWAS 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 GIASSI A GREGORIO A LIGABUE F LUSIANI A MARROCCHESI PS MESSINEO A PALLA F RIZZO G SANGUINETTI G SCIABA A SPAGNOLO P STEINBERGER J TENCHINI R TONELLI G VANNINI C VERDINI PG WALSH J BLAIR GA BRYANT LM CERUTTI F CHAMBERS JT GAO Y GREEN MG MEDCALF T PERRODO P STRONG JA VONWIMMERSPERGTOELLER JH BOTTERILL DR CLIFFT RW EDGECOCK TR HAYWOOD S MALEY P NORTON PR THOMPSON JC WRIGHT AE BLOCHDEVAUX B COLAS P EMERY S KOZANECKI W LANCON E LEMAIRE MC LOCCI E MARX B PEREZ P RANDER J RENARDY JF ROUSSARIE A SCHULLER JP SCHWINDLING J TRABELSI A VALLAGE B BLACK SN DANN JH JOHNSON RP KIM HY LITKE AM MCNEIL MA TAYLOR G BOOTH CN BOSWELL R BREW CAJ CARTWRIGHT S COMBLEY F KOKSAL A LETHO M NEWTON WM REEVE J THOMPSON LF BOHRER A BRANDT S BUSCHER V COWAN G GRUPEN C SARAIVA P SMOLIK L STEPHAN F APOLLONIO M BOSISIO L DELLAMARINA R GIANNINI G GOBBO B MUSOLINO G PUTZ J ROTHBERG J WASSERBAECH S WILLIAMS RW ARMSTRONG SR BELLANTONI L ELMER P FENG Z FERGUSON DPS GAO YS GONZALEZ S GRAHL J GREENING TC HAYES OJ HU H MCNAMARA PA NACHTMAN JM OREJUDOS W PAN YB SAADI Y SCHMITT M SCOTT IJ WALSH AM WU SL WU X YAMARTINO JM ZHENG M ZOBERNIG G
Citation
D. Buskulic et al., A STUDY OF SINGLE AND MULTIPHOTON PRODUCTION IN E(-) COLLISIONS AT CENTER-OF-MASS ENERGIES OF 130 AND 136 GEV()E(), Physics letters. Section B, 384(1-4), 1996, pp. 333-342
Citations number
42
Categorie Soggetti
Physics
Journal title
ISSN journal
03702693
Volume
384
Issue
1-4
Year of publication
1996
Pages
333 - 342
Database
ISI
SICI code
0370-2693(1996)384:1-4<333:ASOSAM>2.0.ZU;2-4
Abstract
The production of final states involving one or more energetic photons from e(+)e(-) collisions at high energies is studied using data colle cted by the ALEPH detector at LEP. The data consist of two samples of 2.9 pb(-1) each, recorded at centre-of-mass energies of 130 GeV and 13 6 GeV. The data are in agreement with the predictions of the Standard Model. From an analysis of two-photon final states new limits are plac ed on the parameters of models involving e(+)e(-)gamma gamma contact i nteractions and excited electrons. The 95% confidence level lower limi ts on the QED cut-off parameters Lambda(+) and Lambda(-) are found to be 169 and 132 GeV respectively.