Guy Wilkinson: Publications

UPPER LIMITS ON THE BRANCHING RATIOS TAU-]MU-GAMMA AND TAU-]E-GAMMA

PHYSICS LETTERS B 359:3-4 (1995) 411-421

Authors:

P ABREU, W ADAM, T ADYE, E AGASI, I AJINENKO, R ALEKSAN, GD ALEKSEEV, PP ALLPORT, S ALMEHED, SJ ALVSVAAG, U AMALDI, S AMATO, A ANDREAZZA, ML ANDRIEUX, P ANTILOGUS, WD APEL, Y ARNOUD, B ASMAN, JE AUGUSTIN, A AUGUSTINUS, P BAILLON, P BAMBADE, F BARAO, R BARATE, G BARBIELLINI, DY BARDIN, GJ BARKER, A BARONCELLI, O BARRING, JA BARRIO, W BARTL, MJ BATES, M BATTAGLIA, M BAUBILLIER, J BAUDOT, KH BECKS, M BEGALLI, P BEILLIERE, Y BELOKOPYTOV, AC BENVENUTI, M BERGGREN, D BERTRAND, F BIANCHI, M BIGI, MS BILENKY, P BILLOIR, D BLOCH, M BLUME, S BLYTH, V BOCCI, T BOLOGNESE, M BONESINI, W BONIVENTO, PSL BOOTH, G BORISOV, C BOSIO, S BOSWORTH, O BOTNER, E BOUDINOV, B BOUQUET, C BOURDARIOS, TJV BOWCOCK, M BOZZO, P BRNACHINI, KD BRAND, T BRENKE, RA BRENNER, C BRICMAN, L BRILLAULT, RCA BROWN, P BRUCKMAN, JM BRUNET, L BUGGE, T BURAN, T BURGSMUELLER, P BUSCHMANN, A BUYS, M CACCIA, M CALVI, AJC ROZAS, T CAMPORESI, V CANALE, M CANEPA, K CANKOCAK, F CAO, F CARENA, P CARRILHO, L CARROLL, C CASO, MVC GIMENEZ, A CATTAI, FR CAVALLO, L CERRITO, V CHABAUD, M CHAPKIN, P CHARPENTIER, L CHAUSSARD, J CHAUVEAU, P CHECCHIA, GA CHELKOV, R CHIERICI, P CHLIAPNIKOV, P CHOCHULA, V CHOROWICZ, V CINDRO, P COLLINS, JL CONTRERAS, R CONTRI, E CORTINA, G COSME, F COSSUTTI, HB CRAWLEY, D CRENNELL, G CROSETTI, JC MAESTRO, S CZELLAR, E DAHLJENSEN, J DAHM, B DALMAGNE, M DAM, G DAMGAARD, A DAUM, PD DAUNCEY, M DAVENPORT, W DASILVA, C DEFOIX, G DELLARICCA, P DELPIERRE, N DEMARIA, A DEANGELIS, H DEBOECK, W DEBOER, S DEBRABANDERE, C DECLERCQ, C DELAVAISSIERE, B DELOTTO, A DEMIN, L DEPAULA, C DESAINTJEAN, H DIJKSTRA, L DICIACCIO, F DJAMA, J DOLBEAU, M DONSZELMANN, K DOROBA, M DRACOS, J DREES, KA DREES, M DRIS, Y DUFOUR, F DUPONT, D EDSALL, R EHRET, G EIGEN, T EKELOF, G EKSPONG, M ELSING, JP ENGEL, N ERSHAIDAT, B ERZEN, ME SANTO, E FALK, D FASSOULIOTIS, M FEINDT, A FERRER, TA FILIPPAS, A FIRESTONE, PA FISCHER, H FOETH, E FOKITIS, F FONTANELLI, F FORMENTI, B FRANEK, P FRENKIEL, DC FRIES, AG FRODESEN, R FRUHWIRTH, F FULDAQUENZER, J FUSTER, A GALLONI, D GAMBA, M GANDELMAN, C GARCIA, J GARCIA, C GASPAR, U GASPARINI, P GAVILLET, EN GAZIS, D GELE, JP GERBER, M GIBBS, R GOKIELI, B GOLOB, G GOPAL, L GORN, M GORSKI, Y GOUZ, Y GRACCO, E GRAZIANI, G GROSDIDIER, P GUNNARSSON, M GUNTHER, J GUY, U HAEDINGER, F HAHN, M HAHN, S HAHN, Z HAJDUK, A HALLGREN, K HAMACHER, W HAO, FJ HARRIS, V HEDBERG, R HENRIQUES, JJ HERNANDEZ, P HERQUET, H HERR, TL HESSING, E HIGON, HJ HILKE, TS HILL, SO HOLMGREN, PJ HOLT, D HOLTHUIZEN, M HOULDEN, J HRUBEC, K HUET, K HULTQVIST, P IOANNOU, JN JACKSON, R JACOBSSON, P JALOCHA, R JANIK, G JARLSKOG, P JARRY, B JEANMARIE, EK JOHANSSON, L JONSSON, P JONSSON, C JORAM, P JUILLOT, M KAISER, F KAPUSTA, M KARLSSON, E KARVELAS, S KATSANEVAS, EC KATSOUFIS, R KERANEN, BA KHOMENKO, NN KHOVANSKI, B KING, NJ KJAER, H KLEIN, A KLOVNING, P KLUIT, JH KOEHNE, B KOENE, P KOKKINIAS, M KORATZINOS, V KOSTIOUKHINE, C KOURKOUMELIS, O KOUZNETSOV, PH KRAMER, M KRAMMER, C KREUTER, J KROLIKOWSKI, I KRONKVIST, Z KRUMSTEIN, W KRUPINSKI, P KUBINEC, W KUCEWICZ, K KURVINEN, C LACASTA, I LAKTINEH, S LAMBLOT, JW LAMSA, L LANCERI, DW LANE, P LANGEFELD, V LAPIN, I LAST, JP LAUGIER, R LAUHAKANGAS, F LEDROIT, V LEFEBURE, CK LEGAN, R LEITNER, Y LEMOIGNE, J LEMONNE, G LENZEN, V LEPELTIER, T LESIAK, D LIKO, R LINDNER, A LIPNIACKA, I LIPPI, B LOERSTAD, M LOKAJICEK, JG LOKEN, JM LOPEZ, A LOPEZFERNANDEZ, MAL AGUERA, D LOUKAS, P LUTZ, L LYONS, J MACNAUGHTON, G MAEHLUM, A MAIO, V MALYCHEV, F MANDL, J MARCO, B MARECHAL, M MARGONI, JC MARIN, C MARIOTTI, A MARKOU, T MARON, C MARTINEZRIVERO, F MARTINEZVIDAL, SMI GARCIA, K MARVIK, F MATORRAS, C MATTEUZZI, G MATTHIAE, M MAZZUCATO, M MCCUBBIN, R MCKAY, R MCNULTY, J MEDBO, C MERONI, WT MEYER, M MICHELOTTO, E MIGLIORE, L MIRABITO, WA MITAROFF, U MJOERNMARK, T MOA, R MOELLER, K MOENIG, MR MONGE, P MORETTINI, H MUELLER, LM MUNDIM, WJ MURRAY, B MURYN, G MYATT, F NARAGHI, FL NAVARRIA, S NAVAS, P NEGRI, S NEMECEK, W NEUMAN, N NEUMEISTER, R NICOLAIDOU, BS NIELSEN, M NIEUWENHUIZEN, V NIKOLAENKO, P NISS, A NOMEROTSKI, A NORMAND, W OBERSCHULTEBECKMANN, V OBRAZTSOV, AG OLSHEVSKI, R ORAVA, K OSTERBERG, A OURAOU, P PAGANINI, M PAGANONI, P PAGES, H PALKA, TD PAPADOPOULOU, L PAPE, C PARKES, F PARODI, A PASSERI, M PEGORARO, L PERALTA, H PERNEGGER, M PERNICKA, A PERROTTA, C PETRIDOU, A PETROLINI, HT PHILLIPS, G PIANA, F PIERRE, M PIMENTA, M PINDO, S PLASZCZYNSKI, O PODOBRIN, ME POL, G POLOK, P POROPAT, V POZDNIAKOV, M PREST, P PRIVITERA, N PUKHAEVA, A PULLIA, D RADOJICIC, S RAGAZZI, H RAHMANI, J RAMES, PN RATOFF, AL READ, M REALE, P REBECCHI, NG REDAELLI, M REGLER, D REID, PB RENTON, LK RESVANIS, F RICHARD, J RICHARDSON, J RIDKY, G RINAUDO, I RIPP, A ROMERO, I RONCAGLIOLO, P RONCHESE, L ROOS, EI ROSENBERG, E ROSSO, P ROUDEAU, T ROVELLI, W RUCKSTUHL, V RUHLMANNKLEIDER, A RUIZ, K RYBICKI, H SAARIKKO, Y SACQUIN, A SADOVSKY, G SAJOT, J SALT, J SANCHEZ, M SANNINO, H SCHNEIDER, MAE SCHYNS, G SCIOLLA, F SCURI, Y SEDYKH, AM SEGAR, A SEITZ, R SEKULIN, RC SHELLARD, I SICCAMA, P SIEGRIST, S SIMONETTI, F SIMONETTO, AN SISAKIAN, B SITAR, TB SKAALI, G SMADJA, N SMIRNOV, O SMIRNOVA, GR SMITH, R SOSNOWSKI, D SOUZASANTOS, T SPASSOV, E SPIRITI, P SPONHOLZ, S SQUARCIA, C STANESCU, S STAPNES, I STAVITSKI, K STEPANIAK, F STICHELBAUT, A STOCCHI, J STRAUSS, R STRUB, B STUGU, M SZCZEKOWSKI, M SZEPTYCKA, T TABARELLI, JP TAVERNET, O TCHIKILEV, A TILQUIN, J TIMMERMANS, LG TKATCHEV, T TODOROV, DZ TOET, A TOMARADZE, B TOME, L TORTORA, G TRANSTROMER, D TREILLE, W TRISCHUK, G TRISTRAM, A TROMBINI, C TRONCON, A TSIROU, ML TURLUER, IA TYAPKIN, M TYNDEL, S TZAMARIAS, B UEBERSCHAER, O ULLALAND, V UVAROV, G VALENTI, E VALLAZZA, C VANDERVELDE, GW VANAPELDOORN, P VANDAM, WK VANDONINCK, J VANELDIK, N VASSILOPOULOS, G VEGNI, L VENTURA, W VENUS, F VERBEURE, M VERLATO, LS VERTOGRADOV, D VILANOVA, P VINCENT, L VITALE, E VLASOV, AS VODOPYANOV, V VRBA, H WAHLEN, C WALCK, M WEIERSTALL, P WEILHAMMER, AM WETHERELL, D WICKE, JH WICKENS, M WIELERS, GR WILKINSON, WSC WILLIAMS, M WINTER, M WITEK, K WOSCHNAGG, K YIP, O YUSHCHENKO, F ZACH, C ZACHARATOU, A ZAITSEV, A ZALEWSKA, P ZALEWSKI, D ZAVRTANIK, E ZEVGOLATAKOS, NI ZIMIN, M ZITO, D ZONTAR, R ZUBERI, GC ZUCCHELLI, G ZUMERLE

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Measurement of time dependent Bd⁰-Bd⁰ mixing

Physics Letters B 338:2-3 (1994) 409-420

Authors:

P Abreu, W Adam, T Adye, E Agasi, I Ajinenko, R Aleksan, GD Alekseev, PP Allport, S Almehed, FML Almeida, SJ Alvsvaag, U Amaldi, A Andreazza, P Antilogus, WD Apel, RJ Apsimon, Y Arnoud, B Åsman, JE Augustin, A Augustinus, P Baillon, P Bambade, F Barao, R Barate, DY Bardin, GJ Barker, A Baroncelli, O Barring, JA Barrio, W Bartl, MJ Bates, M Battaglia, M Baubillier, J Bausot, KH Becks, M Begalli, P Beilliere, K Belous, P Beltran, AC Benvenuti, M Berggren, D Bertrand, F Bianchi, M Bigi, MS Bilenky, P Billoir, J Bjarne, D Bloch, J Blocki, S Blyth, V Bocci, PN Bogolubov, T Bolognese, M Bonesini, W Bonivento, PSL Booth, G Borisov, C Bosio, B Bostjancic, S Bosworth, O Botner, B Bouquet, C Bourdarios, TJV Bowcock, M Bozzo, S Braibant, P Branchini, KD Brand, RA Brenner, H Briand, C Bricman, L Brillault, RCA Brown, P Bruckman, JM Brunet, L Bugge, T Buran, A Buys, M Caccia, M Calvi, AJ Camacho Rozas, R Campion, T Camporesi, V Canale, K Cankocak, F Cao, F Carena, P Carrilho, L Carroll, R Cases, C Caso, MV Castillo Gimenez, A Cattai, FR Cavallo, L Cerrito, V Chabaud, A Chan, P Charpentier, L Chaussard, J Chauveau

Abstract:

The time dependent mixing of Bd0-Bd0 mesons has been observed by using the correlations between the charge of D* mesons and the weighted mean charge of particles in each hemisphere. From a reconstructed D*± sample corresponding to about 1.7 million hadronic Z0 decays, the mass difference between the two Bd0 mass eigenstates has been measured to be Δm = 0.50±0.12 (stat.) ± 0.06 (syst.) h {combining short stroke overlay}/ps or, converting into eV/c2: Δm = [3.29 ± 0.79 (stat) ± 0.39 (syst.)] 10-4 eV/c2. © 1994.

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Charged kaon production in tau decays at LEP

Physics Letters B 334:3-4 (1994) 435-449

Authors:

P Abreu, W Adam, T Adye, E Agasi, I Ajinenko, R Aleksan, GD Alekseev, PP Allport, S Almehed, FML Almeida, SJ Alvsvaag, U Amaldi, A Andreazza, P Antilogus, WD Apel, RJ Apsimon, Y Arnoud, B Åsman, JE Augustin, A Augustinus, P Baillon, P Bambade, F Barao, R Barate, G Barbiellini, DY Bardin, GJ Barker, A Baroncelli, O Barring, JA Barrio, W Bartl, MJ Bates, M Battaglia, M Baubillier, J Baudot, KH Becks, M Begalli, P Beilliere, P Beltran, AC Benvenuti, M Berggren, D Bertrand, F Bianchi, M Bigi, MS Bilenky, P Billoir, J Bjarne, D Bloch, J Blocki, S Blyth, V Bocci, PN Bogolubov, T Bolognese, M Bonesini, W Bonivento, PSL Booth, G Borisov, C Bosio, B Bostjancic, S Bosworth, O Botner, B Bouquet, C Bourdarios, TJV Bowcock, M Bozzo, S Braibant, P Branchini, KD Brand, RA Brenner, H Briand, C Bricman, L Brillault, RCA Brown, P Bruckman, JM Brunet, L Bugge, T Buran, A Buys, JAMA Buytaert, M Caccia, M Calvi, AJC Rozas, R Campion, T Camporesi, V Canale, K Cankocak, F Cao, F Carena, P Carrilho, L Carroll, R Cases, C Caso, MVC Gimenez, A Cattai, FR Cavallo, L Cerrito, V Chabaud, A Chan, P Charpentier, J Chauveau

Abstract:

Kaon production in one prong tau decays has been studied using data collected with the DELPHI detector at the LEP collider. Charged kaons were identified over a large momentum range by the DELPHI barrel Ring Imaging Cherenkov detector. The following branching ratios have been determined: BR(τ→Kντ)=(0.85±0.18)%, BR(τ→Kντ≥0 neutrals)=(1.54±0.24)%, BR(τ→Kντ≥1 neutrals)=(0.69±0.25)%. The result for the exclusive branching ratio is consistent with the Standard Model prediction based on τ-μ-e universality. In addition, tau decay into K*- was studied in the channel K*-→K-π0. The result BR(τ→K*-ντ)×BR(K *-→K-π0)=(0.57±0.23)% was obtained. © 1994.

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Measurement of the B⁰B⁰ mixing parameter in DELPHI

Physics Letters B 332:3-4 (1994) 488-500

Authors:

P Abreu, W Adam, T Adye, E Agasi, I Ajinenko, R Aleksan, GD Alekseev, PP Allport, S Almehed, FML Almeida, SJ Alvsvaag, U Amaldi, A Andreazza, P Antilogus, WD Apel, RJ Apsimon, Y Arnoud, B Åsman, JE Augustin, A Augustinus, P Baillon, P Bambade, F Barao, R Barate, G Barbiellini, DY Bardin, GJ Barker, A Baroncelli, O Barring, JA Barrio, W Bartl, MJ Bates, M Battaglia, M Baubillier, KH Becks, M Begalli, P Beilliere, P Beltran, AC Benvenuti, M Berggren, D Bertrand, F Bianchi, M Bigi, MS Bilenky, J Bjarne, D Bloch, J Blocki, S Blyth, V Bocci, PN Bogolubov, T Bolognese, M Bonesini, W Bonivento, PSL Booth, G Borisov, C Bosio, B Bostjancic, S Bosworth, O Botner, B Bouquet, C Bourdarios, TJV Bowcock, M Bozzo, S Braibant, P Branchini, KD Brand, RA Brenner, H Briand, C Bricman, L Brillault, RCA Brown, JM Brunet, L Bugge, T Buran, A Buys, JAMA Buytaert, M Caccia, M Calvi, AJ Camacho Rozas, R Campion, T Camporesi, V Canale, K Cankocak, F Cao, F Carena, P Carrilho, L Carroll, R Cases, C Caso, MV Castillo Gimenez, A Cattai, FR Cavallo, L Cerrito, V Chabaud, A Chan, P Charpentier, J Chauveau, P Checchia, GA Chelkov, L Chevalier

Abstract:

A total of about 900 000 Z0 → qq decays have been analyzed to measure the B0B0 mixing probability. Two different b tagging techniques have been used: events with two leptons and events with one lepton and one Λ. From a combination of the two methods the average mixing parameter, χ, was determined to be (12.1±1.6(stat.)±0.4(syst.)±0.4(model)%. © 1994.

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Search for the standard model Higgs boson in Z⁰ decays

Nuclear Physics, Section B 421:1 (1994) 3-37

Authors:

P Abreu, W Adam, T Adye, E Agasi, I Ajinenko, R Aleksan, GD Alekseev, PP Allport, S Almehed, FML Almeida, SJ Alvsvaag, U Amaldi, A Andreazza, P Antilogus, WD Apel, RJ Apsimon, Y Arnoud, B Åsman, JE Augustin, A Augustinus, P Baillon, P Bambade, F Barao, R Barate, G Barbiellini, DY Bardin, GJ Barker, A Baroncelli, O Barring, JA Barrio, W Bartl, MJ Bates, M Battaglia, M Baubillier, KH Becks, M Begalli, P Beilliere, P Beltran, AC Benvenuti, M Berggren, D Bertrand, F Bianchi, M Bigi, MS Bilenky, P Billoir, J Bjarne, D Bloch, J Blocki, S Blyth, V Bocci, PN Bogolubov, T Bolognese, M Bonesini, W Bonivento, PSL Booth, G Borisov, C Bosio, B Bostjancic, S Bosworth, O Botner, E Boudinov, B Bouquet, C Bourdarios, TJV Bowcock, M Bozzo, S Braibant, P Branchini, KD Brand, RA Brenner, H Briand, C Bricman, L Brillault, RCA Brown, JM Brunet, L Bugge, T Buran, A Buys, JAMA Buytaert, M Caccia, M Calvi, AJ Camacho Rozas, R Campion, T Camporesi, V Canale, K Cankocak, F Cao, F Carena, P Carrilho, L Carroll, R Cases, C Caso, MV Castillo Gimenez, A Cattai, FR Cavallo, L Cerrito, V Chabaud, A Chan, M Chapkin, P Charpentier, J Chauveau

Abstract:

A search for the Standard Model Higgs boson was performed in the data sample of around 1 million hadronic Z0 decays recorded in 1991 and 1992 with the DELPHI detector at LEP. The Higgs boson was searched for through its production in association with either neutrinos, electrons or muons. Four low mass events remain after the selections in the charged leptonic channels, that are likely to be due to background, especially four fermion processes. These results restrict the mass of the Standard Model Higgs boson to be larger than 55.7 GeV/c2 at the 95% confidence level. © 1994.

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Guy Wilkinson

Sub department

UPPER LIMITS ON THE BRANCHING RATIOS TAU-]MU-GAMMA AND TAU-]E-GAMMA

Authors:

Measurement of time dependent Bd⁰-Bd⁰ mixing

Authors:

Abstract:

Charged kaon production in tau decays at LEP

Authors:

Abstract:

Measurement of the B⁰B⁰ mixing parameter in DELPHI

Authors:

Abstract:

Search for the standard model Higgs boson in Z⁰ decays

Authors:

Abstract:

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Guy Wilkinson

Sub department

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UPPER LIMITS ON THE BRANCHING RATIOS TAU-]MU-GAMMA AND TAU-]E-GAMMA

Authors:

Measurement of time dependent Bd0-Bd0 mixing

Authors:

Abstract:

Charged kaon production in tau decays at LEP

Authors:

Abstract:

Measurement of the B0B0 mixing parameter in DELPHI

Authors:

Abstract:

Search for the standard model Higgs boson in Z0 decays

Authors:

Abstract:

Measurement of time dependent Bd⁰-Bd⁰ mixing

Measurement of the B⁰B⁰ mixing parameter in DELPHI

Search for the standard model Higgs boson in Z⁰ decays