LIMITS ON THE PRODUCTION OF SCALAR LEPTOQUARKS FROM Z(0) DECAYS AT LEP

Abreu, P; Adam, W; Adye, T; Agasi, E; Aleksan, R; Alekseev, Gd; Algeri, A; Allen, P; Almehed, S; Alvsvaag, Sj; Amaldi, U; Andreazza, A; Antilogus, P; Apel, Wd; Apsimon, Rj; Arnoud, Y; Asman, B; Augustin, Je; Augustinus, A; Baillon, P; Bambade, P; Barao, F; Barate, R; Barbiellini, G; Bardin, Dy; Barker, Gj; Baroncelli, A; Barring, O; Barrio, Ja; Bartl, W; Bates, Mj; Battaglia, M; Baubillier, M; Becks, Kh; Begalli, M; Beilliere, P; Belokopytov, Y; Beltran, P; Benedic, D; Benvenuti, Ac; Berggren, M; Bertrand, D; Bianchi, F; Bilenky, Ms; Billoir, P; Bjarne, J; Bloch, D; Blocki, J; Blyth, S; Bocci, V; Bogolubov, Pn; Bolognese, T; Bonesini, M; Bonivento, W; Booth, Psl; Borisov, G; Borner, H; Bosio, C; Bostjancic, B; Bosworth, S; Botner, O; Bouquet, B; Bourdarios, C; Bowcock, Tjv; Bozzo, M; Braibant, S; Branchini, P; Brand, Kd; Brenner, Ra; Briand, H; Bricman, C; Brillault, L; Brown, Rca; Bruckman, P; Brunet, Jm; Budziak, A; Bugge, L; Buran, T; Burmeister, H; Buytaert, Jama; Caccia, M; Calvi, M; 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doi:10.1016/0370-2693(93)91053-P

A search has been made for pairs and for single production of scalar leptoquarks of the first and second generations using a data sample of 392000 Z0 decays from the DELPHI detector at LEP 1. No signal was found and limits on the leptoquark mass, production cross section and branching ratio were set. A mass limit at 95% confidence level of 45.5 GeV/c2 was obtained for leptoquark pair production. The search for the production of a single leptoquark probed the mass region above this limit and its results exclude first and second generation leptoquarks D0 with masses below 65 GeV/c2 and 73 GeV/c2 respectively, at 95% confidence level, assuming that the D0lq Yukawa coupling alpha(lambda) is equal to the electromagnetic one. An upper limit is also given on the coupling alpha(lambda) as a function of the leptoquark mass m(D0).

LIMITS ON THE PRODUCTION OF SCALAR LEPTOQUARKS FROM Z(0) DECAYS AT LEP / ABREU P; ADAM W; ADYE T; AGASI E; ALEKSAN R; ALEKSEEV GD; ALGERI A; ALLEN P; ALMEHED S; ALVSVAAG SJ; AMALDI U; ANDREAZZA A; ANTILOGUS P; APEL WD; APSIMON RJ; ARNOUD Y; ASMAN B; AUGUSTIN JE; AUGUSTINUS A; BAILLON P; BAMBADE P; BARAO F; BARATE R; BARBIELLINI G; BARDIN DY; BARKER GJ; BARONCELLI A; BARRING O; BARRIO JA; BARTL W; BATES MJ; BATTAGLIA M; BAUBILLIER M; BECKS KH; BEGALLI M; BEILLIERE P; BELOKOPYTOV Y; BELTRAN P; BENEDIC D; BENVENUTI AC; BERGGREN M; BERTRAND D; BIANCHI F; BILENKY MS; BILLOIR P; BJARNE J; BLOCH D; BLOCKI J; BLYTH S; BOCCI V; BOGOLUBOV PN; BOLOGNESE T; BONESINI M; BONIVENTO W; BOOTH PSL; BORISOV G; BORNER H; BOSIO C; BOSTJANCIC B; BOSWORTH S; BOTNER O; BOUQUET B; BOURDARIOS C; BOWCOCK TJV; BOZZO M; BRAIBANT S; BRANCHINI P; BRAND KD; BRENNER RA; BRIAND H; BRICMAN C; BRILLAULT L; BROWN RCA; BRUCKMAN P; BRUNET JM; BUDZIAK A; BUGGE L; BURAN T; BURMEISTER H; BUYTAERT JAMA; CACCIA M; CALVI M; ROZAS AJC; CAMPION R; CAMPORESI T; CANALE V; CAO F; CARENA F; CARROLL L; GIMENEZ MVC; CATTAI A; CAVALLO FR; CERRITO L; CHABAUD V; CHAN A; CHAPKIN M; CHARPENTIER P; CHAUSSARD L; CHAUVEAU J; CHECCHIA P; CHELKOV GA; CHEVALIER L; CHLIAPNIKOV P; CHOROWICZ V; CHRIN JTM; CINDRO V; COLLINS P; CONTRERAS JL; CONTRI R; CORTINA E; COSME G; COUCHOT F; CRAWLEY HB; CRENNELL D; CROSETTI G; CROZON M; MAESTRO JC; CZELLAR S; DAHLJENSEN E; DALMAGNE B; DAM M; DAMGAARD G; DARBO G; DAUBIE E; DAUM A; DAUNCEY PD; DAVENPORT M; DAVIES J; DASILVA W; DEFOIX C; DELPIERRE P; DEMARIA N; DEANGELIS A; DEBOECK H; DEBOER W; DEBRABANDERE S; DECLERCQ C; LASO MDMD; DELAVAISSIERE C; DELOTTO B; DEMIN A; DIJKSTRA H; DICIACCIO L; DOLBEAU J; DONSZELMANN M; DOROBA K; DRACOS M; DREES J; DRIS M; DUFOUR Y; DUPONT F; EDSALL D; EEK LO; EEROLA PAM; EHRET R; EKELOF T; EKSPONG G; PEISERT AE; ELSING M; ENGEL JP; ERSHAIDAT N; FASSOULIOTIS D; FEINDT M; FERRER A; FILIPPAS TA; FIRESTONE A; FOETH H; FOKITIS E; FONTANELLI F; FORBES KAJ; FOUSSET JL; FRANCON S; FRANEK B; FRENKIEL P; FRIES DC; FRODESEN AG; FRUHWIRTH R; FULDAQUENZER F; FURSTENAU H; FUSTER J; GAMBA D; GARCIA C; GARCIA J; GASPAR C; GASPARINI U; GAVILLET P; GAZIS EN; GERBER JP; GIACOMELLI P; GILLESPIE D; GOKIELI R; GOLOB B; GOLOVATYUK VM; CADENAS JJGY; GOPAL G; GORN L; GORSKI M; GRACCO V; GRANT A; GRARD F; GRAZIANI E; GROSDIDIER G; GROSS E; GROSSETETE B; GUY J; HAEDINGER U; HAHN F; HAHN M; HAIDER S; HAKANSSON A; HALLGREN A; HAMACHER K; DEMONCHENAULT GH; HAO W; HARRIS FJ; HEDBERG V; HENKES T; HERNANDEZ JJ; HERQUET P; HERR H; HESSING TL; HIETANEN I; HIGGINS CO; HIGON E; HILKE HJ; HODGSON SD; HOFMOKL T; HOLMGREN SO; HOLT PJ; HOLTHUIZEN D; HONORE PF; HOULDEN M; HRUBEC J; HUET K; HULTH PO; HULTQVIST K; IOANNOU P; IVERSEN PS; JACKSON JN; JALOCHA P; JARLSKOG G; JARRY P; JEANMARIE B; JOHANSSON EK; JONKER M; JONSSON L; JUILLOT P; KALKANIS G; KALMUS G; KAPUSTA F; KARLSSON M; KARVELAS E; KATSANEVAS S; KATSOUFIS EC; KERANEN R; KHOMENKO BA; KHOVANSKI NN; KING B; KJAER NJ; KLEIN H; KLOVNING A; KLUIT P; KOCHMEHRIN A; KOEHNE JH; KOENE B; KOKKINIAS P; KORATZINOS M; KORYTOV AV; KOSTIOUKHINE V; KOURKOUMELIS C; KOUZNETSOV O; KRAMER PH; KRAMMER M; KREUTER C; KROLIKOWSKI J; KRONKVIST I; KRUENERMARQUIS U; KRUPINSKI W; KULKA K; KURVINEN K; LACASTA C; LAMBROPOULOS C; LAMSA JW; LANCERI L; LAPIN V; LAST I; LAUGIER JP; LAUHAKANGAS R; LEDER G; LEDROIT F; LEITNER R; LEMOIGNE Y; LEMONNE J; LENZEN G; LEPELTIER V; LESIAK T; LEVY JM; LIEB E; LIKO D; LINDGREN J; LINDNER R; LIPPI I; LOERSTAD B; LOKAJICEK M; LOKEN JG; LOPEZFERNANDEZ A; AGUERA MAL; LOS M; LOUKAS D; LOZANO JJ; LUTZ P; LYONS L; MAEHLUM G; MAILLARD J; MAIO A; MALTEZOS A; MANDL F; MARCO J; MARGONI M; MARIN JC; MARKOU A; MARON T; MARTI S; MARTINEZRIVERO C; MATORRAS F; MATTEUZZI C; MATTHIAE G; MAZZUCATO M; MCCUBBIN M; MCKAY R; MCNULTY R; MEDBO J; MEOLA G; MERONI C; MEYER WT; MICHELOTTO M; MIKULEC I; MIRABITO L; MITAROFF WA; MITSELMAKHER GV; MJOERNMARK U; MOA T; MOELLER R; MOENIG K; MONGE MR; MORETTINI P; MUELLER H; MURRAY WJ; MURYN B; MYATT G; NAVARRIA FL; NEGRI P; NEMECEK S; NICOLAIDOU R; NIELSEN BS; NIJJHAR B; NIKOLAENKO V; NILSEN PES; NISS P; NOMEROTSKI A; OBRAZTSOV V; OLSHEVSKI AG; ORAVA R; OSTANKOV A; OSTERBERG K; OURAOU A; PAGANONI M; PAIN R; PALKA H; PAPADOPOULOU TD; PAPE L; PARODI F; PASSERI A; PEGORARO M; PENNANEN J; PERALTA L; PERNEGGER H; PERNICKA M; PERROTTA A; PETRIDOU C; PETROLINI A; PETROVYKH L; PIANA G; PIERRE F; PIMENTA M; PLASZCZYNSKI S; PODOBRIN O; POL ME; POLOK G; POROPAT P; POZDNIAKOV V; PRIVITERA P; PULLIA A; RADOJICIC D; RAGAZZI S; RAHMANI H; RAMES J; RATOFF PN; READ AL; REBECCHI P; REDAELLI NG; REGLER M; REID D; RENTON PB; RESVANIS LK; RICHARD F; RICHARDSON J; RIDKY J; RINAUDO G; RODITI I; ROMERO A; RONCAGLIOLO I; RONCHESE P; RONNQVIST C; ROSENBERG EI; ROSSO E; ROUDEAU P; ROVELLI T; RUCKSTUHL W; RUHLMANNKLEIDER V; RUIZ A; RYBICKI K; SAARIKKO H; SACQUIN Y; SAJOT G; SALT J; SANCHEZ J; SANNINO M; SCHAEL S; SCHNEIDER H; SCHYNS MAE; SCIOLLA G; SCURI F; SEGAR AM; SEITZ A; SEKULIN R; SESSA M; SEUFERT R; SHELLARD RC; SICCAMA I; SIEGRIST P; SIMONETTI S; SIMONETTO F; SISAKIAN AN; SKJEVLING G; SMADJA G; SMIRNOV N; SMIRNOVA O; SMITH GR; SOSNOWSKI R; SOUZASANTOS D; SPASSOFF TS; SPIRITI E; SQUARCIA S; STAECK H; STANESCU C; STAPNES S; STAVROPOULOS G; STICHELBAUT F; STOCCHI A; STRAUSS J; STRAVER J; STRUB R; STUGU B; SZCZEKOWSKI M; SZEPTYCKA M; SZYMANSKI P; TABARELLI T; TCHIKILEV O; THEODOSIOU GE; TILQUIN A; TIMMERMANS J; TIMOFEEV VG; TKATCHEV LG; TODOROV T; TOET DZ; TOKER O; TOMARADZE A; TOME B; TORASSA E; TORTORA L; TREILLE D; TRISCHUK W; TRISTRAM G; TRONCON C; TSIROU A; TSYGANOV EN; TURALA M; TURLUER ML; TUUVA T; TYAPKIN IA; TYNDEL M; TZAMARIAS S; UEBERSCHAER S; ULLALAND O; UVAROV V; VALENTI G; VALLAZZA E; FERRER JAV; VANDERVELDE C; VANAPELDOORN GW; VANDAM P; VANDERHEIJDEN M; VANDONINCK WK; VANELDIK J; VAZ P; VEGNI G; VENTURA L; VENUS W; VERBEURE F; VERLATO M; VERTOGRADOV LS; VILANOVA D; VINCENT P; VITALE L; VLASOV E; VODOPYANOV AS; VOLLMER M; VOUTILAINEN M; VRBA V; WAHLEN H; WALCK C; WALDNER F; WEHR A; WEIERSTALL M; WEILHAMMER P; WETHERELL AM; WICKENS JH; WILKINSON GR; WILLIAMS WSC; WINTER M; WITEK M; WORMSER G; WOSCHNAGG K; YAMDAGNI N; YEPES P; ZAITSEV A; ZALEWSKA A; ZALEWSKI P; ZAVRTANIK D; ZEVGOLATAKOS E; ZIMIN NI; ZITO M; ZONTAR D; ZUBERI R; FUNCHAL RZ; ZUMERLE G; ZUNIGA J. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - 316:4(1993), pp. 620-630.

Titolo:	LIMITS ON THE PRODUCTION OF SCALAR LEPTOQUARKS FROM Z(0) DECAYS AT LEP
Autori:	ABREU P ADAM W ADYE T AGASI E ALEKSAN R ALEKSEEV GD ALGERI A ALLEN P ALMEHED S ALVSVAAG SJ AMALDI U ANDREAZZA A ANTILOGUS P APEL WD APSIMON RJ ARNOUD Y ASMAN B AUGUSTIN JE AUGUSTINUS A BAILLON P BAMBADE P BARAO F BARATE R BARBIELLINI G BARDIN DY BARKER GJ BARONCELLI A BARRING O BARRIO JA BARTL W BATES MJ BATTAGLIA M BAUBILLIER M BECKS KH BEGALLI M BEILLIERE P BELOKOPYTOV Y BELTRAN P BENEDIC D BENVENUTI AC BERGGREN M BERTRAND D BIANCHI F BILENKY MS BILLOIR P BJARNE J BLOCH D BLOCKI J BLYTH S BOCCI V BOGOLUBOV PN BOLOGNESE T BONESINI M BONIVENTO W BOOTH PSL BORISOV G BORNER H BOSIO C BOSTJANCIC B BOSWORTH S BOTNER O BOUQUET B BOURDARIOS C BOWCOCK TJV BOZZO M BRAIBANT S BRANCHINI P BRAND KD BRENNER RA BRIAND H BRICMAN C BRILLAULT L BROWN RCA BRUCKMAN P BRUNET JM BUDZIAK A BUGGE L BURAN T BURMEISTER H BUYTAERT JAMA CACCIA M CALVI M ROZAS AJC CAMPION R CAMPORESI T CANALE V CAO F CARENA F CARROLL L GIMENEZ MVC CATTAI A CAVALLO FR CERRITO L CHABAUD V CHAN A CHAPKIN M CHARPENTIER P CHAUSSARD L CHAUVEAU J CHECCHIA P CHELKOV GA CHEVALIER L CHLIAPNIKOV P CHOROWICZ V CHRIN JTM CINDRO V COLLINS P CONTRERAS JL CONTRI R CORTINA E COSME G COUCHOT F CRAWLEY HB CRENNELL D CROSETTI G CROZON M MAESTRO JC CZELLAR S DAHLJENSEN E DALMAGNE B DAM M DAMGAARD G DARBO G DAUBIE E DAUM A DAUNCEY PD DAVENPORT M DAVIES J DASILVA W DEFOIX C DELPIERRE P DEMARIA N DEANGELIS A DEBOECK H DEBOER W DEBRABANDERE S DECLERCQ C LASO MDMD DELAVAISSIERE C DE LOTTO, Barbara DEMIN A DIJKSTRA H DICIACCIO L DOLBEAU J DONSZELMANN M DOROBA K DRACOS M DREES J DRIS M DUFOUR Y DUPONT F EDSALL D EEK LO EEROLA PAM EHRET R EKELOF T EKSPONG G PEISERT AE ELSING M ENGEL JP ERSHAIDAT N FASSOULIOTIS D FEINDT M FERRER A FILIPPAS TA FIRESTONE A FOETH H FOKITIS E FONTANELLI F FORBES KAJ FOUSSET JL FRANCON S FRANEK B FRENKIEL P FRIES DC FRODESEN AG FRUHWIRTH R FULDAQUENZER F FURSTENAU H FUSTER J GAMBA D GARCIA C GARCIA J GASPAR C GASPARINI U GAVILLET P GAZIS EN GERBER JP GIACOMELLI P GILLESPIE D GOKIELI R GOLOB B GOLOVATYUK VM CADENAS JJGY GOPAL G GORN L GORSKI M GRACCO V GRANT A GRARD F GRAZIANI E GROSDIDIER G GROSS E GROSSETETE B GUY J HAEDINGER U HAHN F HAHN M HAIDER S HAKANSSON A HALLGREN A HAMACHER K DEMONCHENAULT GH HAO W HARRIS FJ HEDBERG V HENKES T HERNANDEZ JJ HERQUET P HERR H HESSING TL HIETANEN I HIGGINS CO HIGON E HILKE HJ HODGSON SD HOFMOKL T HOLMGREN SO HOLT PJ HOLTHUIZEN D HONORE PF HOULDEN M HRUBEC J HUET K HULTH PO HULTQVIST K IOANNOU P IVERSEN PS JACKSON JN JALOCHA P JARLSKOG G JARRY P JEANMARIE B JOHANSSON EK JONKER M JONSSON L JUILLOT P KALKANIS G KALMUS G KAPUSTA F KARLSSON M KARVELAS E KATSANEVAS S KATSOUFIS EC KERANEN R KHOMENKO BA KHOVANSKI NN KING B KJAER NJ KLEIN H KLOVNING A KLUIT P KOCHMEHRIN A KOEHNE JH KOENE B KOKKINIAS P KORATZINOS M KORYTOV AV KOSTIOUKHINE V KOURKOUMELIS C KOUZNETSOV O KRAMER PH KRAMMER M KREUTER C KROLIKOWSKI J KRONKVIST I KRUENERMARQUIS U KRUPINSKI W KULKA K KURVINEN K LACASTA C LAMBROPOULOS C LAMSA JW LANCERI L LAPIN V LAST I LAUGIER JP LAUHAKANGAS R LEDER G LEDROIT F LEITNER R LEMOIGNE Y LEMONNE J LENZEN G LEPELTIER V LESIAK T LEVY JM LIEB E LIKO D LINDGREN J LINDNER R LIPPI I LOERSTAD B LOKAJICEK M LOKEN JG LOPEZFERNANDEZ A AGUERA MAL LOS M LOUKAS D LOZANO JJ LUTZ P LYONS L MAEHLUM G MAILLARD J MAIO A MALTEZOS A MANDL F MARCO J MARGONI M MARIN JC MARKOU A MARON T MARTI S MARTINEZRIVERO C MATORRAS F MATTEUZZI C MATTHIAE G MAZZUCATO M MCCUBBIN M MCKAY R MCNULTY R MEDBO J MEOLA G MERONI C MEYER WT MICHELOTTO M MIKULEC I MIRABITO L MITAROFF WA MITSELMAKHER GV MJOERNMARK U MOA T MOELLER R MOENIG K MONGE MR MORETTINI P MUELLER H MURRAY WJ MURYN B MYATT G NAVARRIA FL NEGRI P NEMECEK S NICOLAIDOU R NIELSEN BS NIJJHAR B NIKOLAENKO V NILSEN PES NISS P NOMEROTSKI A OBRAZTSOV V OLSHEVSKI AG ORAVA R OSTANKOV A OSTERBERG K OURAOU A PAGANONI M PAIN R PALKA H PAPADOPOULOU TD PAPE L PARODI F PASSERI A PEGORARO M PENNANEN J PERALTA L PERNEGGER H PERNICKA M PERROTTA A PETRIDOU C PETROLINI A PETROVYKH L PIANA G PIERRE F PIMENTA M PLASZCZYNSKI S PODOBRIN O POL ME POLOK G POROPAT P POZDNIAKOV V PRIVITERA P PULLIA A RADOJICIC D RAGAZZI S RAHMANI H RAMES J RATOFF PN READ AL REBECCHI P REDAELLI NG REGLER M REID D RENTON PB RESVANIS LK RICHARD F RICHARDSON J RIDKY J RINAUDO G RODITI I ROMERO A RONCAGLIOLO I RONCHESE P RONNQVIST C ROSENBERG EI ROSSO E ROUDEAU P ROVELLI T RUCKSTUHL W RUHLMANNKLEIDER V RUIZ A RYBICKI K SAARIKKO H SACQUIN Y SAJOT G SALT J SANCHEZ J SANNINO M SCHAEL S SCHNEIDER H SCHYNS MAE SCIOLLA G SCURI, Fabrizio SEGAR AM SEITZ A SEKULIN R SESSA M SEUFERT R SHELLARD RC SICCAMA I SIEGRIST P SIMONETTI S SIMONETTO F SISAKIAN AN SKJEVLING G SMADJA G SMIRNOV N SMIRNOVA O SMITH GR SOSNOWSKI R SOUZASANTOS D SPASSOFF TS SPIRITI E SQUARCIA S STAECK H STANESCU C STAPNES S STAVROPOULOS G STICHELBAUT F STOCCHI A STRAUSS J STRAVER J STRUB R STUGU B SZCZEKOWSKI M SZEPTYCKA M SZYMANSKI P TABARELLI T TCHIKILEV O THEODOSIOU GE TILQUIN A TIMMERMANS J TIMOFEEV VG TKATCHEV LG TODOROV T TOET DZ TOKER O TOMARADZE A TOME B TORASSA E TORTORA L TREILLE D TRISCHUK W TRISTRAM G TRONCON C TSIROU A TSYGANOV EN TURALA M TURLUER ML TUUVA T TYAPKIN IA TYNDEL M TZAMARIAS S UEBERSCHAER S ULLALAND O UVAROV V VALENTI G VALLAZZA E FERRER JAV VANDERVELDE C VANAPELDOORN GW VANDAM P VANDERHEIJDEN M VANDONINCK WK VANELDIK J VAZ P VEGNI G VENTURA L VENUS W VERBEURE F VERLATO M VERTOGRADOV LS VILANOVA D VINCENT P VITALE L VLASOV E VODOPYANOV AS VOLLMER M VOUTILAINEN M VRBA V WAHLEN H WALCK C WALDNER F WEHR A WEIERSTALL M WEILHAMMER P WETHERELL AM WICKENS JH WILKINSON GR WILLIAMS WSC WINTER M WITEK M WORMSER G WOSCHNAGG K YAMDAGNI N YEPES P ZAITSEV A ZALEWSKA A ZALEWSKI P ZAVRTANIK D ZEVGOLATAKOS E ZIMIN NI ZITO M ZONTAR D ZUBERI R FUNCHAL RZ ZUMERLE G ZUNIGA J. mostra contributor esterni nascondi contributor esterni
Data di pubblicazione:	1993
Rivista:	PHYSICS LETTERS. SECTION B
Citazione:	LIMITS ON THE PRODUCTION OF SCALAR LEPTOQUARKS FROM Z(0) DECAYS AT LEP / ABREU P; ADAM W; ADYE T; AGASI E; ALEKSAN R; ALEKSEEV GD; ALGERI A; ALLEN P; ALMEHED S; ALVSVAAG SJ; AMALDI U; ANDREAZZA A; ANTILOGUS P; APEL WD; APSIMON RJ; ARNOUD Y; ASMAN B; AUGUSTIN JE; AUGUSTINUS A; BAILLON P; BAMBADE P; BARAO F; BARATE R; BARBIELLINI G; BARDIN DY; BARKER GJ; BARONCELLI A; BARRING O; BARRIO JA; BARTL W; BATES MJ; BATTAGLIA M; BAUBILLIER M; BECKS KH; BEGALLI M; BEILLIERE P; BELOKOPYTOV Y; BELTRAN P; BENEDIC D; BENVENUTI AC; BERGGREN M; BERTRAND D; BIANCHI F; BILENKY MS; BILLOIR P; BJARNE J; BLOCH D; BLOCKI J; BLYTH S; BOCCI V; BOGOLUBOV PN; BOLOGNESE T; BONESINI M; BONIVENTO W; BOOTH PSL; BORISOV G; BORNER H; BOSIO C; BOSTJANCIC B; BOSWORTH S; BOTNER O; BOUQUET B; BOURDARIOS C; BOWCOCK TJV; BOZZO M; BRAIBANT S; BRANCHINI P; BRAND KD; BRENNER RA; BRIAND H; BRICMAN C; BRILLAULT L; BROWN RCA; BRUCKMAN P; BRUNET JM; BUDZIAK A; BUGGE L; BURAN T; BURMEISTER H; BUYTAERT JAMA; CACCIA M; CALVI M; ROZAS AJC; CAMPION R; CAMPORESI T; CANALE V; CAO F; CARENA F; CARROLL L; GIMENEZ MVC; CATTAI A; CAVALLO FR; CERRITO L; CHABAUD V; CHAN A; CHAPKIN M; CHARPENTIER P; CHAUSSARD L; CHAUVEAU J; CHECCHIA P; CHELKOV GA; CHEVALIER L; CHLIAPNIKOV P; CHOROWICZ V; CHRIN JTM; CINDRO V; COLLINS P; CONTRERAS JL; CONTRI R; CORTINA E; COSME G; COUCHOT F; CRAWLEY HB; CRENNELL D; CROSETTI G; CROZON M; MAESTRO JC; CZELLAR S; DAHLJENSEN E; DALMAGNE B; DAM M; DAMGAARD G; DARBO G; DAUBIE E; DAUM A; DAUNCEY PD; DAVENPORT M; DAVIES J; DASILVA W; DEFOIX C; DELPIERRE P; DEMARIA N; DEANGELIS A; DEBOECK H; DEBOER W; DEBRABANDERE S; DECLERCQ C; LASO MDMD; DELAVAISSIERE C; DELOTTO B; DEMIN A; DIJKSTRA H; DICIACCIO L; DOLBEAU J; DONSZELMANN M; DOROBA K; DRACOS M; DREES J; DRIS M; DUFOUR Y; DUPONT F; EDSALL D; EEK LO; EEROLA PAM; EHRET R; EKELOF T; EKSPONG G; PEISERT AE; ELSING M; ENGEL JP; ERSHAIDAT N; FASSOULIOTIS D; FEINDT M; FERRER A; FILIPPAS TA; FIRESTONE A; FOETH H; FOKITIS E; FONTANELLI F; FORBES KAJ; FOUSSET JL; FRANCON S; FRANEK B; FRENKIEL P; FRIES DC; FRODESEN AG; FRUHWIRTH R; FULDAQUENZER F; FURSTENAU H; FUSTER J; GAMBA D; GARCIA C; GARCIA J; GASPAR C; GASPARINI U; GAVILLET P; GAZIS EN; GERBER JP; GIACOMELLI P; GILLESPIE D; GOKIELI R; GOLOB B; GOLOVATYUK VM; CADENAS JJGY; GOPAL G; GORN L; GORSKI M; GRACCO V; GRANT A; GRARD F; GRAZIANI E; GROSDIDIER G; GROSS E; GROSSETETE B; GUY J; HAEDINGER U; HAHN F; HAHN M; HAIDER S; HAKANSSON A; HALLGREN A; HAMACHER K; DEMONCHENAULT GH; HAO W; HARRIS FJ; HEDBERG V; HENKES T; HERNANDEZ JJ; HERQUET P; HERR H; HESSING TL; HIETANEN I; HIGGINS CO; HIGON E; HILKE HJ; HODGSON SD; HOFMOKL T; HOLMGREN SO; HOLT PJ; HOLTHUIZEN D; HONORE PF; HOULDEN M; HRUBEC J; HUET K; HULTH PO; HULTQVIST K; IOANNOU P; IVERSEN PS; JACKSON JN; JALOCHA P; JARLSKOG G; JARRY P; JEANMARIE B; JOHANSSON EK; JONKER M; JONSSON L; JUILLOT P; KALKANIS G; KALMUS G; KAPUSTA F; KARLSSON M; KARVELAS E; KATSANEVAS S; KATSOUFIS EC; KERANEN R; KHOMENKO BA; KHOVANSKI NN; KING B; KJAER NJ; KLEIN H; KLOVNING A; KLUIT P; KOCHMEHRIN A; KOEHNE JH; KOENE B; KOKKINIAS P; KORATZINOS M; KORYTOV AV; KOSTIOUKHINE V; KOURKOUMELIS C; KOUZNETSOV O; KRAMER PH; KRAMMER M; KREUTER C; KROLIKOWSKI J; KRONKVIST I; KRUENERMARQUIS U; KRUPINSKI W; KULKA K; KURVINEN K; LACASTA C; LAMBROPOULOS C; LAMSA JW; LANCERI L; LAPIN V; LAST I; LAUGIER JP; LAUHAKANGAS R; LEDER G; LEDROIT F; LEITNER R; LEMOIGNE Y; LEMONNE J; LENZEN G; LEPELTIER V; LESIAK T; LEVY JM; LIEB E; LIKO D; LINDGREN J; LINDNER R; LIPPI I; LOERSTAD B; LOKAJICEK M; LOKEN JG; LOPEZFERNANDEZ A; AGUERA MAL; LOS M; LOUKAS D; LOZANO JJ; LUTZ P; LYONS L; MAEHLUM G; MAILLARD J; MAIO A; MALTEZOS A; MANDL F; MARCO J; MARGONI M; MARIN JC; MARKOU A; MARON T; MARTI S; MARTINEZRIVERO C; MATORRAS F; MATTEUZZI C; MATTHIAE G; MAZZUCATO M; MCCUBBIN M; MCKAY R; MCNULTY R; MEDBO J; MEOLA G; MERONI C; MEYER WT; MICHELOTTO M; MIKULEC I; MIRABITO L; MITAROFF WA; MITSELMAKHER GV; MJOERNMARK U; MOA T; MOELLER R; MOENIG K; MONGE MR; MORETTINI P; MUELLER H; MURRAY WJ; MURYN B; MYATT G; NAVARRIA FL; NEGRI P; NEMECEK S; NICOLAIDOU R; NIELSEN BS; NIJJHAR B; NIKOLAENKO V; NILSEN PES; NISS P; NOMEROTSKI A; OBRAZTSOV V; OLSHEVSKI AG; ORAVA R; OSTANKOV A; OSTERBERG K; OURAOU A; PAGANONI M; PAIN R; PALKA H; PAPADOPOULOU TD; PAPE L; PARODI F; PASSERI A; PEGORARO M; PENNANEN J; PERALTA L; PERNEGGER H; PERNICKA M; PERROTTA A; PETRIDOU C; PETROLINI A; PETROVYKH L; PIANA G; PIERRE F; PIMENTA M; PLASZCZYNSKI S; PODOBRIN O; POL ME; POLOK G; POROPAT P; POZDNIAKOV V; PRIVITERA P; PULLIA A; RADOJICIC D; RAGAZZI S; RAHMANI H; RAMES J; RATOFF PN; READ AL; REBECCHI P; REDAELLI NG; REGLER M; REID D; RENTON PB; RESVANIS LK; RICHARD F; RICHARDSON J; RIDKY J; RINAUDO G; RODITI I; ROMERO A; RONCAGLIOLO I; RONCHESE P; RONNQVIST C; ROSENBERG EI; ROSSO E; ROUDEAU P; ROVELLI T; RUCKSTUHL W; RUHLMANNKLEIDER V; RUIZ A; RYBICKI K; SAARIKKO H; SACQUIN Y; SAJOT G; SALT J; SANCHEZ J; SANNINO M; SCHAEL S; SCHNEIDER H; SCHYNS MAE; SCIOLLA G; SCURI F; SEGAR AM; SEITZ A; SEKULIN R; SESSA M; SEUFERT R; SHELLARD RC; SICCAMA I; SIEGRIST P; SIMONETTI S; SIMONETTO F; SISAKIAN AN; SKJEVLING G; SMADJA G; SMIRNOV N; SMIRNOVA O; SMITH GR; SOSNOWSKI R; SOUZASANTOS D; SPASSOFF TS; SPIRITI E; SQUARCIA S; STAECK H; STANESCU C; STAPNES S; STAVROPOULOS G; STICHELBAUT F; STOCCHI A; STRAUSS J; STRAVER J; STRUB R; STUGU B; SZCZEKOWSKI M; SZEPTYCKA M; SZYMANSKI P; TABARELLI T; TCHIKILEV O; THEODOSIOU GE; TILQUIN A; TIMMERMANS J; TIMOFEEV VG; TKATCHEV LG; TODOROV T; TOET DZ; TOKER O; TOMARADZE A; TOME B; TORASSA E; TORTORA L; TREILLE D; TRISCHUK W; TRISTRAM G; TRONCON C; TSIROU A; TSYGANOV EN; TURALA M; TURLUER ML; TUUVA T; TYAPKIN IA; TYNDEL M; TZAMARIAS S; UEBERSCHAER S; ULLALAND O; UVAROV V; VALENTI G; VALLAZZA E; FERRER JAV; VANDERVELDE C; VANAPELDOORN GW; VANDAM P; VANDERHEIJDEN M; VANDONINCK WK; VANELDIK J; VAZ P; VEGNI G; VENTURA L; VENUS W; VERBEURE F; VERLATO M; VERTOGRADOV LS; VILANOVA D; VINCENT P; VITALE L; VLASOV E; VODOPYANOV AS; VOLLMER M; VOUTILAINEN M; VRBA V; WAHLEN H; WALCK C; WALDNER F; WEHR A; WEIERSTALL M; WEILHAMMER P; WETHERELL AM; WICKENS JH; WILKINSON GR; WILLIAMS WSC; WINTER M; WITEK M; WORMSER G; WOSCHNAGG K; YAMDAGNI N; YEPES P; ZAITSEV A; ZALEWSKA A; ZALEWSKI P; ZAVRTANIK D; ZEVGOLATAKOS E; ZIMIN NI; ZITO M; ZONTAR D; ZUBERI R; FUNCHAL RZ; ZUMERLE G; ZUNIGA J. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - 316:4(1993), pp. 620-630.
Abstract:	A search has been made for pairs and for single production of scalar leptoquarks of the first and second generations using a data sample of 392000 Z0 decays from the DELPHI detector at LEP 1. No signal was found and limits on the leptoquark mass, production cross section and branching ratio were set. A mass limit at 95% confidence level of 45.5 GeV/c2 was obtained for leptoquark pair production. The search for the production of a single leptoquark probed the mass region above this limit and its results exclude first and second generation leptoquarks D0 with masses below 65 GeV/c2 and 73 GeV/c2 respectively, at 95% confidence level, assuming that the D0lq Yukawa coupling alpha(lambda) is equal to the electromagnetic one. An upper limit is also given on the coupling alpha(lambda) as a function of the leptoquark mass m(D0).
Handle:	http://hdl.handle.net/11390/883935
Appare nelle tipologie:	1.1 Articolo in rivista

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