Updated precision measurement of the average lifetime of B hadrons

P Abreu,Yu.a Khokhlov ,F Richard ,P Van Dam ,O Ullaland ,H T Phillips ,L K Resvanis ,C Troncon ,E Cortina ,C Kreuter ,A Lipniacka ,D Zavrtanik ,N Redaelli ,M E Pol ,Y Sedykh ,P Dauncey ,A Firestone ,M Mc Cubbin ,T Adye ,A Perrotta ,T Bologneşe ,K Woschnagg ,V Malychev ,D Radojičić ,E Boudinov ,E Vallazza ,W Trischuk ,W De Boer ,H Pałka ,G D Alekseev ,E Zevgolatakos ,J Hrubec ,T Ekelöf ,P Brückman ,A B Fenyuk ,L Bugge ,B Åsman ,J N Jackson ,M Dönszelmann ,M Nieuwenhuizen ,S Lamblot ,K H Becks ,M Verlato ,R Strub ,M Paganoni ,A C Benvenuti ,Erik Johansson ,W Mitaroff ,E Agasi ,M Witek ,D Blöch ,A Ruiz ,M Weierstall ,H Foeth ,T Rovelli ,M Battaglia ,B Muryn ,M Margoni ,M Blume ,J Chauveau ,A L Read ,U Amaldi ,Ph Charpentier ,A Ferrer ,D Edsall ,D Y Bardin ,F Zach ,M Canepa ,K Kurvinen ,J J Hernández ,W Neumann ,A Deghorain ,Ch De La Vaissière ,J P Laugier ,R Janik ,R Lauhakangas ,E Vlasov ,C Matteuzzi ,G Tristram ,D Loukas ,Aurelio Juste Rozas ,F Djama ,C Vander Velde ,A M Segar ,A Augustinus ,C Bricman ,E I Rosenberg ,M Elsing ,L Lyons ,L Tortora ,A Hallgren ,B Franek ,J Macnaughton ,G Wilkinson ,Rui Henriques ,B Sitár ,L Lanceri ,G Myatt ,Daniel Bertrand ,M Mazzucato ,A M Wetherell ,C Meroni ,K Österberg ,W J Murray ,M J Bates ,M Bonesini ,W Vénus ,T B Skaali ,E Higón ,J E Augustin ,F Pierre ,K Hultqvist ,A Zalewska ,P Chochula ,C Walck ,G Borisov ,P Privitera ,C Gaspar ,F Kapusta ,R Gokieli ,I Ripp ,C Bourdarios ,L Di Ciaccio ,H Klein ,M Kaiser ,J Chudoba ,M Bigi ,I Roncagliolo ,B A Khomenko ,C Joram ,S Czellár ,P Jarry ,R Jacobsson ,A Passeri ,R Sosnowski ,T Tabarelli ,P Herquet ,D Holthuizen ,N J Kjaer ,D Vilanova ,S Sánchez Navas ,N Demaria ,B Ueberschaer ,R Leitner ,F Stichelbaut ,W K Van Doninck ,S Marti-Garcia ,H B Crawley ,O Yushchenko ,G Crosetti ,I Last ,S Bosworth ,M Günther ,P Checchia ,P Pagès ,P Kramer ,C K Legan ,H Pernegger ,M R Monge ,F Ledroit ,B Loerstad ,C Jarlskog ,A Pullia ,K D Brand ,W Kucewicz ,M Dracos ,N Vassilopoulos ,F Bianchi ,M Gibbs ,B Tomé ,V Pozdniakov ,G Jarlskog ,P Morettini ,Y Sacquin ,J Mašík ,W Da Silva ,Y Lemoigne ,N Smirnov ,L Chaussard ,M Petrovyck ,W Hao ,Α Μάρκου ,G Chelkov ,F Carena ,P Sponholz ,L Mundim ,V M Ronjin ,E Migliore ,T Maron ,W S C Williams ,C Martínez-Rivero ,M Michelotto ,F Formenti ,C Garćıa ,P Delpierre ,A Tonazzo ,P Kokkinias ,C De Clercq ,M Schimmelpfennig ,R Zuberi ,P Kluit ,W Ruckstuhl ,J Loken ,A Romero ,M S Bilenky ,S Ragazzi ,W Krupinski ,K Korcyl ,A De Angelis ,J Sánchez ,W T Meyer ,A G Olshevski ,D Gelé ,S Amato ,V Gracco ,D Gamba ,H Rahmani ,C Parkes ,P N Ratoff ,I Lippi ,J Strauss ,F Naraghi ,T J V Bowcock ,W D Apel ,R C Shellard ,P Jałocha ,P Lutz ,F Hahn ,L Pape ,P Frenkiel ,G Matthiae ,P Kubinec ,O Kouznetsov ,S Squarcia ,J Guy ,G C Zucchelli ,M Baubillier ,F Martínez-Vidal ,L Jönsson ,M Feindt ,H Mueller ,J Salt ,D Fassouliotis ,Yu Gouz ,M Davenport ,W Bonivento ,P Beillière ,R Marco ,C Weiser ,J Lämsä ,R Brenner ,T Moa ,F Verbeure ,K Nawrocki ,J Fuster ,A Petrolini ,Miroslav Novák ,S R Hahn ,R Aleksan ,M Dam ,S Simonetti ,A Tsirou ,F Mandl ,B Golob ,P Fischer ,D Reid ,D C Fries ,I A Tyapkin ,G Smadja ,P Buschmann ,V Lefébure ,M Merk ,F Fontanelli ,A Normand ,C Petridou ,M Pimenta ,A Cattai ,H Wahlen ,P Weilhammer ,P Zalewski ,J P Engel ,P Poropat ,L Vitale ,N I Zimin ,M Berggren ,J M Brunet ,S Tzamarias ,P Gunnarsson ,Th D Papadopoulou ,F Cao ,J Dolbeau ,B Bouquet ,D Crennell ,F Cossutti ,J Timmermans ,L Cerrito ,G Rinaudo ,U Mjoernmark ,C Stănescu ,M Górski ,P Negri ,R Keränen ,O Smirnova ,T A Filippas ,L Ventura ,S Hoorelbeke ,M Winter ,L Gorn ,T S Hill ,O Solovianov ,P Rebecchi ,M Prest ,S O Holmgren ,P Billoir ,J Lemonne ,F Scuri ,E Graziani ,C Kourkoumelis ,C Mariotti ,P Niss ,A Nomerotski ,P Antilogus ,M A E Schyns ,B Koene ,C Caso ,H Schneider ,L Roos ,V Ruhlmann-Kleider ,C De Saint-Jean ,D Treille ,J Drees ,S Almehed ,Y Dufour ,E Falk ,G Eigen ,K Cankoçak ,K Grzelak ,J M Lopez ,V Chorowicz ,M Koratzinos ,P Bambade ,G Barbiellini ,L Carroll ,B J King ,I Ajinenko ,M Zito ,D Liko ,G Sajot ,M Caccia ,E Spiriti ,V Uvarov ,F Simonetto ,H Saarikko ,P Juillot ,M Pernicka ,J Wickens ,E N Gazis ,J Řídký ,P Ronchese ,L G Tkatchev ,T Todorov ,F Matorras ,A Buys ,M Barbi ,G Lenzen ,E Rosso ,S Plaszczynski ,S Katsanevas ,K Rybicki ,M Calvi ,R Mc Kay ,J Gerber ,U Gasparini ,K Doroba ,G Leder ,T L Hessing ,A Ouraou ,E Dahl‐Jensen ,M Bozzo ,J C Marin ,F Fulda-Quenzer ,T Spassov ,I Stavitski ,J Richardson ,Kathy Huet ,H Dijkstra ,S Meyer ,J Medbo ,P Roudeau ,P Vincent ,E Katsoufis ,J L Contreras ,V Obraztsov ,R Mc Nulty ,K A Drees ,A Galloni ,A Stocchi ,J Van Eldik ,K Karafasoulis ,P Renton ,S Stapnes ,B De Lotto ,D Souza-Santos ,O Bärring ,G P Gopal ,F L Navarria ,D W Lane ,H J Hilke ,Yu Belokopytov ,P Chliapnikov ,R Contri ,J P Tavernet ,Philip Patrick Allport ,P Paganini ,B Erzen ,U Schwickerath ,G Piana ,I B Laktineh ,L De Paula ,A Sadovsky ,E Fokitis ,A Andreazza ,N Pukhaeva ,O Botner ,M Chen ,A Tilquin ,A Zaitsev ,G Della Ricca ,W Bartl ,M Wielers ,M Regler ,S Blyth ,R Barate ,R Moeller ,N N Khovanski ,W Oberschulte-Beckmann ,J M Vizan Garcia ,J Baudot ,O Podobrin ,A G Frodesen ,G Grosdidier ,R Ehret ,F R Cavallo ,F Parodi ,M Gandelman ,M Tyndel ,G Damgaard ,M Szeptycka ,A Maio ,I Siccama ,G W Van Apeldoorn ,R Chierici ,F J Harris ,V Cindro ,K Yip ,R.c.a Brown ,A Onofre ,K Moenig ,A Tomaradze ,G Vegni ,M Karlsson ,A N Sisakian ,R Frühwirth ,T Brenke ,J Marco ,A Trombini ,Z Hajduk ,M Pindo ,P Branchini ,M Esṕırito Santo ,M L Andrieux ,V Canale ,S De Brabandere ,E Karvelas ,M Szczekowski ,V Hedberg ,A Seitz ,P Jönsson ,G Valenti ,C Bosio ,O Tchikilev ,G Ekspong ,M Houlden ,M Pegoraro ,A Baroncelli ,L Mirabito ,B Stugu ,J A Barrio ,L Brillault ,M Dris ,M Krammer ,T Buran ,J Cuevas Maestro ,L S Vertogradov ,W Adam ,V Chabaud ,V Vrba ,B Jean‐Marie ,R Nicolaidou ,B Dalmagne ,R Lindner ,D Žontar ,B S Nielsen ,M L Turluer ,P Seager ,R Alemany ,G Sciolla ,K Papageorgiou ,Y Arnoud ,Ph Gavillet ,A Vodopyanov ,P Siegrist ,Z Krumstein ,V Nikolaenko ,S Cabrera ,G Mæhlum ,G Polok ,R Orava ,M V Castillo Gimenez ,S Gumenyuk ,M Begalli ,G Tranströmer ,P Baillon ,L Peralta ,M Reale ,H Herr ,B Maréchal ,C Defoix ,C Lacasta ,N Ershaidat ,M Sannino ,P.s.l Booth ,T Burgsmueller ,P Collins ,T Camporesi ,K Hamacher ,I Kronkvist ,G R Smith ,V Lepeltier ,P J Holt ,D Z Toet ,A De Min ,P Langefeld ,J Dahm ,T Lesiak ,G Cosme ,D Wicke ,R Sekulin ,A Klovning ,G Zumerle

doi:10.1016/0370-2693(96)00452-2

Updated precision measurement of the average lifetime of B hadrons

P Abreu, Yu.a Khokhlov + Show 548 more

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https://doi.org/10.1016/0370-2693(96)00452-2

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#Measurement Of Lifetime #Systematic Uncertainties + Show 8 more

Abstract
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Abstract

The measurement of the average lifetime of B hadrons using inclusively reconstructed secondary vertices has been updated using both an improved processing of previous data and additional statistics from new data. This has reduced the statistical and systematic uncertainties and gives τ B = 1.582 ± 0.011 (stat.) ± 0.027 (syst.) ps. Combining this result with the previous result based on charged particle impact parameter distributions yields τ B = 1.575 ± 0.010 (stat.) ± 0.026 (syst.) ps.

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