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Titolo:
SEARCH FOR NEW PHENOMENA USING SINGLE-PHOTON EVENTS AT LEP1
Autore:
ABREU P; ADAM W; ADYE T; AGASI E; AJINENKO I; ALEKSAN R; ALEKSEEV GD; ALEMANY R; ALLPORT PP; ALMEHED S; AMALDI U; AMATO S; ANDREAZZA A; ANDRIEUX ML; ANTILOGUS P; APEL WD; ARNOUD Y; ASMAN B; AUGUSTIN JE; AUGUSTINUS A; BAILLON P; BAMBADE P; BARAO F; BARATE R; BARBI M; BARBIELLINI G; BARDIN DY; BARONCELLI A; BARRING O; BARRIO JA; BARTL W; BATES MJ; BATTAGLIA M; BAUBILLIER M; BAUDOT J; BECKS KH; BEGALLI M; BEILLIERE P; BELOKOPYTOV Y; BELOOUS K; BENVENUTI AC; BERGGREN M; BERTRAND D; BIANCHI F; BIGI M; BILENKY MS; BILLOIR P; BLOCH D; BLUME M; BLYTH S; BOLOGNESE T; BONESINI M; BONIVENTO W; BOOTH PSL; BORISOV G; BOSIO C; BOSWORTH S; BOTNER O; BOUDINOV E; BOUQUET B; BOURDARIOS C; BOWCOCK TJV; BOZZO M; BRANCHINI P; BRAND KD; BRENKE T; BRENNER R; BRICMAN C; BRILLAULT L; BROWN RCA; BRUCKMAN P; BRUNET JM; BUGGE L; BURAN T; BURGSMUELLER T; BUSCHMANN P; BUYS A; CABRERA S; CACCIA M; CALVI M; ROZAS AJC; CAMPORESI T; CANALE V; CANEPA M; CANKOCAK K; CAO F; CARENA F; CARROLL L; CASO C; GIMENEZ MVC; CATTAI A; CAVALLO FR; CERRITO L; CHABAUD V; CHARPENTIER P; CHAUSSARD L; CHAUVEAU J; CHECCHIA P; CHELKOV GA; CHEN M; CHIERICI R; CHLIAPNIKOV P; CHOCHULA P; CHOROWICZ V; CINDRO V; COLLINS P; CONTRERAS JL; CONTRI R; CORTINA E; COSME G; COSSUTTI F; CRAWLEY HB; CRENNELL D; CROSETTI G; MAESTRO JC; CZELLAR S; DAHLJENSEN E; DAHM J; DALMAGNE B; DAM M; DAMGAARD G; DAUNCEY PD; DAVENPORT M; DASILVA W; DEFOIX C; DEGHORAIN A; DELLARICCA G; DELPIERRE P; DEMARIA N; DEANGELIS A; DEBOER W; DEBRABANDERE S; DECLERCQ C; DELAVAISSIERE C; DELOTTO B; DEMIN A; DEPAULA L; DESAINTJEAN C; DIJKSTRA H; DICIACCIO L; DJAMA F; DOLBEAU J; DONSZELMANN M; DOROBA K; DRACOS M; DREES J; DREES KA; DRIS M; DUFOUR Y; EDSALL D; EHRET R; EIGEN G; EKELOF T; EKSPONG G; ELSING M; ENGEL JP; ERSHAIDAT N; ERZEN B; SANTO ME; FALK E; FASSOULIOTIS D; FEINDT M; FENYUK A; FERRER A; FILIPPAS TA; FIRESTONE A; FISCHER PA; FOETH H; FOKITIS E; FONTANELLI F; FORMENTI F; FRANEK B; FRENKIEL P; FRIES DC; FRODESEN AG; FRUHWIRTH R; FULDAQUENZER F; FUSTER J; GALLONI A; GAMBA D; GANDELMAN M; GARCIA C; GARCIA J; GASPAR C; GASPARINI U; GAVILLET P; GAZIS EN; GELE D; GERBER JP; GERDYUKOV L; GIBBS M; GOKIELI R; GOLOB B; GOPAL G; GORN L; GORSKI M; GOUZ Y; GRACCO V; GRAZIANI E; GROSDIDIER G; GRZELAK K; GUMENYUK S; GUNNARSSON P; GUNTHER M; GUY J; HAHN F; HAHN S; HAJDUK Z; HALLGREN A; HAMACHER K; HAO W; HARRIS FJ; HEDBERG V; HERNANDEZ JJ; HERQUET P; HERR H; HESSING TL; HIGON E; HILKE HJ; HILL TS; HOLMGREN SO; HOLT PJ; HOLTHUIZEN D; HOORELBEKE S; HOULDEN M; HUET K; HULTQVIST K; JACKSON JN; JACOBSSON R; JALOCHA P; JANIK R; JARLSKOG C; JARLSKOG G; JARRY P; JEANMARIE B; JOHANSSON EK; JONSSON L; JONSSON P; JORAM C; JUILLOT P; KAISER M; KAPUSTA F; KARAFASOULIS K; KARLSSON M; KARVELAS E; KATSANEVAS S; KATSOUFIS EC; KERANEN R; KHOKHLOV Y; KHOMENKO BA; KHOVANSKI NN; KING B; KJAER NJ; KLEIN H; KLOVNING A; KLUIT P; KOENE B; KOKKINIAS P; KORATZINOS M; KORCYL K; KOURKOUMELIS C; KOUZNETSOV O; KRAMER PH; KRAMMER M; KREUTER C; KRONKVIST I; KRUMSTEIN Z; KRUPINSKI W; KUBINEC P; KUCEWICZ W; KURVINEN K; LACASTA C; LAKTINEH I; LAMBLOT S; LAMSA JW; LANCERI L; LANE DW; LANGEFELD P; LAST I; LAUGIER JP; LAUHAKANGAS R; LEDER G; LEDROIT F; LEFEBURE V; LEGAN CK; LEITNER R; LEMOIGNE Y; LEMONNE J; LENZEN G; LEPELTIER V; LESIAK T; LIKO D; LINDNER R; LIPNIACKA A; LIPPI I; LOERSTAD B; LOKAJICEK M; LOKEN JG; LOPEZ JM; LOUKAS D; LUTZ P; LYONS L; MACNAUGHTON J; MAEHLUM G; MAIO A; MALYCHEV V; MANDL F; MARCO J; MARCO R; MARECHAL B; MARGONI M; MARIN JC; MARIOTTI C; MARKOU A; MARON T; MARTINEZRIVERO C; MARTINEZVIDAL F; MARTIIGARCIA S; MATORRAS F; MATTEUZZI C; MATTHIAE G; MAZZUCATO M; MCCUBBIN M; MCKAY R; MCNULTY R; MEDBO J; MERK M; MERONI C; MEYER S; MEYER WT; MICHELOTTO M; MIGLIORE E; MIRABITO L; MITAROFF WA; MJOERNMARK U; MOA T; MOELLER R; MOENIG K; MONGE MR; MORETTINI P; MUELLER H; MUNDIM LM; MURRAY WJ; MURYN B; MYATT G; NARAGHI F; NAVARRIA FL; NAVAS S; NAWROCKI K; NEGRI P; NEMECEK S; NEUMANN W; NEUMEISTER N; NICOLAIDOU R; NIELSEN BS; NIEUWENHUIZEN M; NIKOLAENKO V; NISS P; NOMEROTSKI A; NORMAND A; OBERSCHULTEBECKMANN W; OBRAZTSOV V; OLSHEVSKI AG; ONOFRE A; ORAVA R; OSTERBERG K; OURAOU A; PAGANINI P; PAGANONI M; PAGES P; PALKA H; PAPADOPOULOU TD; PAPAGEORGIOU K; PAPE L; PARKES C; PARODI F; PASSERI A; PEGORARO M; PERALTA L; PERNEGGER H; PERNICKA M; PERROTTA A; PETRIDOU C; PETROLINI A; PETROVYCK M; PHILLIPS HT; PIANA G; PIERRE F; PIMENTA M; PINDO M; PLASZCZYNSKI S; PODOBRIN O; POL ME; POLOK G; POROPAT P; POZDNIAKOV V; PREST M; PRIVITERA P; PUKHAEVA N; PULLIA A; RADOJICIC D; RAGAZZI S; RAHMANI H; RAMES J; RATOFF PN; READ AL; REALE M; REBECCHI P; REDAELLI NG; REGLER M; REID D; RENTON PB; RESVANIS LK; RICHARD F; RICHARDSON J; RIDKY J; RINAUDO G; RIPP I; ROMERO A; RONCAGLIOLO I; RONCHESE P; ROOS L; ROSENBERG EI; ROSSO E; ROUDEAU P; ROVELLI T; RUCKSTUHL W; RUHLMANNKLEIDER V; RUIZ A; RYBICKI K; SAARIKKO H; SACQUIN Y; SADOVSKY A; SAJOT G; SALT J; SANCHEZ J; SANNINO M; SCHIMMELPFENNIG M; SCHNEIDER H; SCHWICKERATH U; SCHYNS MAE; SCIOLLA G; SCURI F; SEAGER P; SEDYKH Y; SEGAR AM; SEITZ A; SEKULIN R; SHELLARD RC; SICCAMA I; SIEGRIST P; SIMONETTI S; SIMONETTO F; SISAKIAN AN; SITAR B; SKAALI TB; SMADJA G; SMIRNOV N; SMIRNOVA O; SMITH GR; SOLOVIANOV O; SOSNOWSKI R; SOUZASANTOS D; SPASSOV T; SPIRITI E; SPONHOLZ P; SQUARCIA S; STANESCU C; STAPNES S; STAVITSKI I; STICHELBAUT F; STOCCHI A; STRAUSS J; STRUB R; STUGU B; SZCZEKOWSKI M; SZEPTYCKA M; TABARELLI T; TAVERNET JP; TCHIKILEV O; TILQUIN A; TIMMERMANS J; TKATCHEV LG; TODOROV T; TOET DZ; TOMARADZE A; TOME B; TONAZZO A; TORTORA L; TRANSTROMER G; TREILLE D; TRISCHUK W; TRISTRAM G; TROMBINI A; TRONCON C; TSIROU A; TURLUER ML; TYAPKIN IA; TYNDEL M; TZAMARIAS S;
Indirizzi:
INST SUPER TECN,FCUL,LIP,AV ELIAS GARCIA 14-1 P-1000 LISBON PORTUGAL IOWA STATE UNIV SCI & TECHNOL,AMES LAB AMES IA 50011 IOWA STATE UNIV SCI & TECHNOL,DEPT PHYS AMES IA 50011 UNIV INSTELLING ANTWERP,DEPT PHYS B-2610 WILRIJK BELGIUM FREE UNIV BRUSSELS,IIHE B-1050 BRUSSELS BELGIUM UNIV MONS,FAC SCI B-7000 MONS BELGIUM UNIV ATHENS,PHYS LAB GR-10680 ATHENS GREECE UNIV BERGEN,DEPT PHYS N-5007 BERGEN NORWAY UNIV BOLOGNA,DIPARTIMENTO FIS I-40126 BOLOGNA ITALY IST NAZL FIS NUCL I-40126 BOLOGNA ITALY CTR BRASILEIRO PESQUISAS FIS BR-22290 RIO JANEIRO BRAZIL PONTIFICIA UNIV CATOLICA RIO DE JANEIRO,DEPT FIS BR-22453 RIO JANEIROBRAZIL UNIV ESTADUAL RIO DE JANEIRO,INST FIS RIO JANEIRO BRAZIL COMENIUS UNIV BRATISLAVA,FAC MATH & PHYS SK-84215 BRATISLAVA SLOVAKIA COLL FRANCE,IN2P3,PHYS CORPUSCULAIRE LAB,CNRS F-75231 PARIS 05 FRANCE CERN CH-1211 GENEVA 23 SWITZERLAND UNIV STRASBOURG 1,IN2P3,CTR RECH NUCL,CNRS F-67037 STRASBOURG FRANCE NATL CTR SCI RES DEMOKRITOS,INST NUCL PHYS GR-15310 ATHENS GREECE ACAD SCI CZECH REPUBL,INST PHYS,FZU,DIV HIGH ENERGY PHYS CZ-18040 PRAGUE 8 CZECH REPUBLIC UNIV GENOA,DIPARTIMENTO FIS I-16146 GENOA ITALY IST NAZL FIS NUCL I-16146 GENOA ITALY UNIV GRENOBLE 1,IN2P3,INST SCI NUCL,CNRS F-38026 GRENOBLE FRANCE RES INST HIGH ENERGY PHYS,SEFT FIN-00014 HELSINKI FINLAND JOINT INST NUCL RES MOSCOW 101000 RUSSIA UNIV KARLSRUHE,INST EXPT KERNPHYS D-76128 KARLSRUHE GERMANY INST NUCL PHYS PL-30055 KRAKOW POLAND UNIV MIN & MET KRAKOW PL-30055 KRAKOW POLAND UNIV PARIS 11,IN2P3,LAB ACCELERATEUR LINEAIRE,CNRS F-91405 ORSAY FRANCE UNIV LANCASTER,SCH PHYS & MAT LANCASTER LA1 4YB ENGLAND UNIV LIVERPOOL,DEPT PHYS LIVERPOOL L69 3BX MERSEYSIDE ENGLAND UNIV PARIS 06,IN2P3,LPNHE,CNRS F-75252 PARIS 05 FRANCE UNIV PARIS 07,IN2P3,LPNHE,CNRS F-75252 PARIS 05 FRANCE LUND UNIV,DEPT PHYS S-22363 LUND SWEDEN UNIV LYON 1,IPNL,IN2P3,CNRS F-69622 VILLEURBANNE FRANCE UNIV COMPLUTENSE MADRID E-28040 MADRID SPAIN UNIV AIX MARSEILLE 2,IN2P3,CPP,CNRS F-13288 MARSEILLE 09 FRANCE UNIV MILAN,DIPARTIMENTO FIS I-20133 MILAN ITALY IST NAZL FIS NUCL I-20133 MILAN ITALY NIELS BOHR INST DK-2100 COPENHAGEN O DENMARK CHARLES UNIV,MFF,NUCL CTR,NC CR-18000 PRAGUE 8 CZECH REPUBLIC NIKHEF H NL-1009 DB AMSTERDAM NETHERLANDS NATL TECH UNIV ATHENS,DEPT PHYS GR-15773 ATHENS GREECE UNIV OSLO,DEPT PHYS N-1000 OSLO 3 NORWAY UNIV OVIEDO,DEPT FIS OVIEDO 33006 SPAIN UNIV OXFORD,DEPT PHYS OXFORD OX1 3RH ENGLAND UNIV PADUA,DIPARTIMENTO FIS I-35131 PADUA ITALY IST NAZL FIS NUCL I-35131 PADUA ITALY RUTHERFORD APPLETON LAB DIDCOT OX11 0QX OXON ENGLAND UNIV ROMA TOR VERGATA,DIPARTIMENTO FIS I-00173 ROME ITALY IST NAZL FIS NUCL I-00173 ROME ITALY CENS,DSM,DAPNIA F-91191 GIF SUR YVETTE FRANCE IST NAZL FIS NUCL,IST SUPER SANITA I-00161 ROME ITALY UNIV CANTABRIA,CSIC,INST FIS CANTABIRA SANTANDER 39006 SPAIN INST HIGH ENERGY PHYS PROTVINO MOSCOW REGION RUSSIA UNIV LJUBLJANA,JOZEF STEFAN INST LJUBLJANA 61000 SLOVENIA UNIV LJUBLJANA,DEPT PHYS LJUBLJANA 61000 SLOVENIA UNIV STOCKHOLM S-11385 STOCKHOLM SWEDEN UNIV TURIN,DIPARTIMENTO FIS SPERIMENTALE I-10125 TURIN ITALY IST NAZL FIS NUCL I-10125 TURIN ITALY UNIV TRIESTE,DIPARTIMENTO FIS I-34127 TRIESTE ITALY IST NAZL FIS NUCL I-34127 TRIESTE ITALY UNIV UDINE,IST FIS I-33100 UDINE ITALY UNIV FED RIO DE JANEIRO BR-21945970 RIO JANEIRO BRAZIL UNIV UPPSALA,DEPT RADIAT SCI S-75121 UPPSALA SWEDEN UNIV VALENCIA,DFAMN E-46100 BURJASSOT VALENCIA SPAIN CSIC,IFIC E-46100 BURJASSOT VALENCIA SPAIN AUSTRIAN ACAD SCI,INST HOCHENERGIEPHYS A-1050 VIENNA AUSTRIA INST NUCL STUDIES PL-00681 WARSAW POLAND UNIV WARSAW PL-00681 WARSAW POLAND BERG UNIV GESAMTHSCH WUPPERTAL,FACHBEREICH PHYS D-42097 WUPPERTAL 1 GERMANY
Titolo Testata:
Zeitschrift fur Physik. C, Particles and fields
fascicolo: 4, volume: 74, anno: 1997,
pagine: 577 - 586
SICI:
0170-9739(1997)74:4<577:SFNPUS>2.0.ZU;2-5
Fonte:
ISI
Lingua:
ENG
Soggetto:
DENSITY PROJECTION CHAMBER; RADIATIVE BHABHA SCATTERING; EXCITED NEUTRINOS; INVISIBLE WIDTH; E+E COLLISIONS; Z0 DECAYS; E+E-->NU-NU-BAR-GAMMA; DISTRIBUTIONS; LEPTON; NUMBER;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
47
Recensione:
Indirizzi per estratti:
Citazione:
P. Abreu et al., "SEARCH FOR NEW PHENOMENA USING SINGLE-PHOTON EVENTS AT LEP1", Zeitschrift fur Physik. C, Particles and fields, 74(4), 1997, pp. 577-586

Abstract

Data are presented on the reaction e(+)e(-) --> gamma + no other detected particle at centre-of-mass energies of 89.48, 91.26 and 93.08 GeV. The cross-section for this reaction is related directly to the number of light neutrino generations which couple to the Z(0) boson, and toseveral other possible phenomena such as the production of excited neutrinos, the production of any invisible 'X' particle, and the magnetic moment of the tau neutrino. Based on the observed number of single photon events, the number of light neutrinos that couple to the Z(0) ismeasured to be N-nu = 2.89 +/- 0.38. No evidence is found for anomalous production of energetic single photons, and upper limits at 95% confidence level are determined for excited neutrino production (BR < 4 -8 x 10(-6) depending on its mass), production of an invisible 'X' particle (sigma < 0.1 pb for masses below 60 GeV), and the magnetic moment of the tall neutrino (< 5.1 x 10(-6) mu(B)).

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 30/11/20 alle ore 12:41:00