@article{3045800,
    title = "MEASUREMENT OF LAMBDA-B PRODUCTION AND LIFETIME IN Z0 HADRONIC DECAYS",
    author = "ABREU, P and ADAM, W and ADYE, T and AGASI, E and AJINENKO, I and and ALEKSAN, R and ALEKSEEV, GD and ALGERI, A and ALLEN, P and ALMEHED, S and and ALVSVAAG, SJ and AMALDI, U and ANDREAZZA, A and ANTILOGUS, P and and APEL, WD and APSIMON, RJ and ARNOUD, Y and ASMAN, B and AUGUSTIN, JE and and AUGUSTINUS, A and BAILLON, P and BAMBADE, P and BARAO, F and BARATE, R and and BARBIELLINI, G and BARDIN, DY and BARKER, GJ and BARONCELLI, A and and BARRING, O and BARRIO, JA and BARTL, W and BATES, MJ and BATTAGLIA, M and and BAUBILLIER, M and BECKS, KH and BEESTON, CJ and BEGALLI, M and and BEILLIERE, P and BELOKOPYTOV, Y and BELTRAN, P and BENEDIC, D and and BENVENUTI, AC and BERGGREN, M and BERTRAND, D and BIANCHI, F and and BILENKY, MS and BILLOIR, P and BJARNE, J and BLOCH, D and BLYTH, S and and BOCCI, V and BOGOLUBOV, PN and BOLOGNESE, T and BONESINI, M and and BONIVENTO, W and BOOTH, PSL and BORISOV, G and BORNER, H and BOSIO, C and and BOSTJANCIC, B and BOSWORTH, S and BOTNER, O and BOUQUET, B and and BOURDARIOS, C and BOWCOCK, TJV and BOZZO, M and BRAIBANT, S and and BRANCHINI, P and BRAND, KD and BRENNER, RA and BRIAND, H and BRICMAN, C and and BROWN, RCA and BRUMMER, N and BRUNET, JM and BUGGE, L and BURAN, T and and BURMEISTER, H and BUYTAERT, JAMA and CACCIA, M and CALVI, M and and ROZAS, AJC and CAMPION, R and CAMPORESI, T and CANALE, V and CAO, F and and CARENA, F and CARROLL, L and CASO, C and GIMENEZ, MVC and CATTAI, A and and CAVALLO, FR and CERRITO, L and CHABAUD, V and CHAN, A and CHAPKIN, M and and CHARPENTIER, P and CHAUSSARD, L and CHAUVEAU, J and CHECCHIA, P and and CHELKOV, GA and CHEVALIER, L and CHLIAPNIKOV, P and CHOROWICZ, V and and CHRIN, JTM and COLLINS, P and CONTRERAS, JL and CONTRI, R and CORTINA, E and and COSME, G and COUCHOT, F and CRAWLEY, HB and CRENNELL, D and and CROSETTI, G and CROZON, M and MAESTRO, JC and CZELLAR, S and DAHLJENSEN, and E and DALMAGNE, B and DAM, M and DAMGAARD, G and DAUBIE, E and DAUM, A and and DAUNCEY, PD and DAVENPORT, M and DAVID, P and DAVIES, J and DASILVA, and W and DEFOIX, C and DELPIERRE, P and DEMARIA, N and DEANGELIS, A and and DEBOECK, H and DEBOER, W and DECLERCQ, C and LASO, MDMD and DEGROOT, N and and DELAVAISSIERE, C and DELOTTO, B and DEMIN, A and DIJKSTRA, H and and DICIACCIO, L and DOLBEAU, J and DONSZELMANN, M and DOROBA, K and DRACOS, and M and DREES, J and DRIS, M and DUFOUR, Y and DUPONT, F and EDSALL, D and and EEK, LO and EEROLA, PAM and EHRET, R and EKELOF, T and EKSPONG, G and and PEISERT, AE and ENGEL, JP and ERSHAIDAT, N and FASSOULIOTIS, D and and FEINDT, M and FENYUK, A and ALONSO, MF and FERRER, A and FILIPPAS, TA and and FIRESTONE, A and FOETH, H and FOKITIS, E and FONTANELLI, F and and FORBES, KAJ and FOUSSET, JL and FRANCON, S and FRANEK, B and FRENKIEL, P and and FRIES, DC and FRODESEN, AG and FRUHWIRTH, R and FULDAQUENZER, F and and FURNIVAL, K and FURSTENAU, H and FUSTER, J and GAMBA, D and GARCIA, C and and GARCIA, J and GASPAR, C and GASPARINI, U and GAVILLET, P and GAZIS, and EN and GERBER, JP and GIACOMELLI, P and GOKIELI, R and GOLOB, B and and GOLOVATYUK, VM and GOMEZ, JJ and CADENAS, Y and GOPAL, G and GORN, L and and GORSKI, M and GRACCO, V and GRANT, A and GRARD, F and GRAZIANI, E and and GROSDIDIER, G and GROSS, E and GROSSEWIESMANN, P and GROSSETETE, B and and GUY, J and HAEDINGER, U and HAHN, F and HAHN, M and HAIDER, S and and HAJDUK, Z and HAKANSSON, A and HALLGREN, A and HAMACHER, K and and DEMONCHENAULT, GH and HAO, W and HARRIS, FJ and HEDBERG, V and HENKES, T and and HERNANDEZ, JJ and HERQUET, P and HERR, H and HESSING, TL and and HIETANEN, I and HIGGINS, CO and HIGON, E and HILKE, HJ and HODGSON, SD and and HOFMOKL, T and HOLMGREN, SO and HOLTHUIZEN, D and HONORE, PF and and HOOPER, JE and HOULDEN, M and HRUBEC, J and HUET, K and HULTH, PO and and HULTQVIST, K and IOANNOU, P and IVERSEN, PS and JACKSON, JN and JALOCHA, and P and JARLSKOG, G and JARRY, P and JEANMARIE, B and JOHANSSON, EK and and JOHNSON, D and JONKER, M and JONSSON, L and JUILLOT, P and KALKANIS, G and and KALMUS, G and KAPUSTA, F and KARLSSON, M and KARVELAS, E and and KATSANEVAS, S and KATSOUFIS, EC and KERANEN, R and KESTEMAN, J and and KHOMENKO, BA and KHOVANSKI, NN and KING, B and KJAER, NJ and KLEIN, H and and KLOVNING, A and KLUIT, P and KOCHMEHRIN, A and KOEHNE, JH and KOENE, and B and KOKKINIAS, P and KORATZINOS, M and KORCYL, K and KORYTOV, AV and and KOSTIOUKHINE, V and KOURKOUMELIS, C and KOUZNETSOV, O and KRAMER, PH and and KREUTER, C and KROLIKOWSKI, J and KRONKVIST, I and KRUENERMARQUIS, U and and KUCEWICZ, W and KULKA, K and KURVINEN, K and LACASTA, C and and LAMBROPOULOS, C and LAMSA, JW and LANCERI, L and LAPIN, V and LAUGIER, and JP and LAUHAKANGAS, R and LEDER, G and LEDROIT, F and LEITNER, R and and LEMOIGNE, Y and LEMONNE, J and LENZEN, G and LEPELTIER, V and LESIAK, T and and LEVY, JM and LIEB, E and LIKO, D and LINDGREN, J and LINDNER, R and and LIPNIACKA, A and LIPPI, I and LOERSTAD, B and LOKAJICEK, M and LOKEN, JG and and LOPEZFERNANDEZ, A and AGUERA, MAL and LOS, M and LOUKAS, D and and LOZANO, JJ and LUTZ, P and LYONS, L and MAEHLUM, G and MAILLARD, J and and MAIO, A and MALTEZOS, A and MANDL, F and MARCO, J and MARGONI, M and and MARIN, JC and MARKOU, A and MARON, T and MARTI, S and MATORRAS, F and and MATTEUZZI, C and MATTHIAE, G and MAZZUCATO, M and MCCUBBIN, M and MCKAY, and R and MCNULTY, R and MEOLA, G and MERONI, C and MEYER, WT and and MICHELOTTO, M and MIKULEC, I and MIRABITO, L and MITAROFF, WA and and MITSELMAKHER, GV and MJOERNMARK, U and MOA, T and MOELLER, R and MOENIG, and K and MONGE, MR and MORETTINI, P and MUELLER, H and MURRAY, WJ and and MYATT, G and NAVARRIA, FL and NEGRI, P and NICOLAIDOU, R and NIELSEN, BS and and NIJJHAR, B and NIKOLAENKO, V and NILSEN, PES and NISS, P and and NOMEROTSKI, A and OBRAZTSOV, V and OLSHEVSKI, AG and ORAVA, R and and OSTANKOV, A and OSTERBERG, K and OURAOU, A and PAGANONI, M and PAIN, R and and PALKA, H and PAPADOPOULOU, TD and PAPE, L and PARODI, F and PASSERI, and A and PEGORARO, M and PENNANEN, J and PERALTA, L and PERNEGGER, H and and PERNICKA, M and PERROTTA, A and PETRIDOU, C and PETROLINI, A and PIERRE, and F and PIMENTA, M and PINGOT, O and PLASZCZYNSKI, S and PODOBRIN, O and and POL, ME and POLOK, G and POROPAT, P and POZDNIAKOV, V and PRIVITERA, P and and PULLIA, A and RADOJICIC, D and RAGAZZI, S and RAHMANI, H and RATOFF, and PN and READ, AL and REBECCHI, P and REDAELLI, NG and REGLER, M and REID, and D and RENTON, PB and RESVANIS, LK and RICHARD, F and RICHARDSON, M and and RIDKY, J and RINAUDO, G and RODITI, I and ROMERO, A and RONCAGLIOLO, I and and RONCHESE, P and RONNQVIST, C and ROSENBERG, EI and ROSSI, S and and ROSSO, E and ROUDEAU, P and ROVELLI, T and RUCKSTUHL, W and and RUHLMANNKLEIDER, V and RUIZ, A and SAARIKKO, H and SACQUIN, Y and SAJOT, and G and SALT, J and SANCHEZ, J and SANNINO, M and SCHAEL, S and SCHNEIDER, and H and SCHYNS, MAE and SCIOLLA, G and SCURI, F and SEGAR, AM and SEITZ, A and and SEKULIN, R and SESSA, M and SETTE, G and SEUFERT, R and SHELLARD, RC and and SICCAMA, I and SIEGRIST, P and SIMONETTI, S and SIMONETTO, F and and SISAKIAN, AN and SKJEVLING, G and SMADJA, G and SMIRNOVA, O and SMITH, and GR and SOSNOWSKI, R and SOUZASANTOS, D and SPASSOFF, TS and SPIRITI, E and and SQUARCIA, S and STAECK, H and STANESCU, C and STAPNES, S and and STAVROPOULOS, G and STICHELBAUT, F and STOCCHI, A and STRAUSS, J and and STRAVER, J and STRUB, R and STUGU, B and SZCZEKOWSKI, M and SZEPTYCKA, M and and SZYMANSKI, P and TABARELLI, T and TCHIKILEV, O and THEODOSIOU, GE and and TILQUIN, A and TIMMERMANS, J and TIMOFEEV, VG and TKATCHEV, LG and and TODOROV, T and TOET, DZ and TOKER, O and TOME, B and TORASSA, E and and TORTORA, L and TREILLE, D and TREVISAN, U and TRISCHUK, W and TRISTRAM, and G and TRONCON, C and TSIROU, A and TSYGANOV, EN and TURLUER, ML and and TUUVA, T and TYAPKIN, IA and TYNDEL, M and TZAMARIAS, S and UEBERSCHAER, and S and ULLALAND, O and UVAROV, V and VALENTI, G and VALLAZZA, E and and FERRER, JAV and VANDERVELDE, C and VANAPELDOORN, GW and VANDAM, P and and VANDERHEIJDEN, M and VANDONINCK, WK and VAZ, P and VEGNI, G and VENTURA, and L and VENUS, W and VERBEURE, F and VERLATO, M and VERTOGRADOV, LS and and VILANOVA, D and VINCENT, P and VITALE, L and VLASOV, E and VODOPYANOV, and AS and VOLLMER, M and VOUTILAINEN, M and VRBA, V and WAHLEN, H and and WALCK, C and WALDNER, F and WEHR, A and WEIERSTALL, M and WEILHAMMER, P and and WERNER, J and WETHERELL, AM and WICKENS, JH and WILKINSON, GR and and WILLIAMS, WSC and WINTER, M and WITEK, M and WORMSER, G and WOSCHNAGG, K and and YAMDAGNI, N and YEPES, P and ZAITSEV, A and ZALEWSKA, A and and ZALEWSKI, P and ZAVRTANIK, D and ZEVGOLATAKOS, E and ZHANG, G and ZIMIN, and NI and ZITO, M and ZUBERI, R and FUNCHAL, RZ and ZUMERLE, G and ZUNIGA, and J",
    journal = "PHYSICS LETTERS B",
    year = "1993",
    volume = "311",
    number = "1-4",
    pages = "379-390",
    publisher = "Elsevier",
    issn = "0370-2693",
    doi = "10.1016/0370-2693(93)90585-6",
    abstract = "Evidence for the production of b-flavoured baryons in Z0 decays is
reported from the analysis of 365 000 hadronic events collected by the
DELPHI detector. Assuming that most of the weakly decaying b flavoured
baryons produced by the Z0 are LAMBDA(b), the observed signal of
(LAMBDAl- + LAMBDAl+BAR) pairs, where l is a high transverse momentum
lepton in the same jet as the LAMBDA, leads to a production rate: f (b
–> LAMBDA(b)) x Br(LAMBDA(b) –> LAMBDAlnuX) = (0.41 +/- 0.13 +/-
0.09)%. Using a sample of 18 reconstructed LAMBDA(b) decay vertices,
the lifetime is determined to be tau(LAMBDA(b)) = ( 1.04(-0.38)+0.48 +/-
0.10) ps."
}