301. Evidence for b baryons in Z decays
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DECAMP D, DESCHIZEAUX B, GOY C, LEES JP, MINARD MN, ALEMANY R, ARIZTIZABAL F, CRESPO JM, DELFINO M, FERNANDEZ E, GAITAN V, GARRIDO L, MIR LM, PACHECO A, PASCUAL A, CATANESI MG, CREANZA D, DEPALMA M, FARILLA A, IASELLI G, MAGGI G, MAGGI M, NATALI S, NUZZO S, QUATTROMINI M, RANIERI A, RASO G, ROMANO F, RUGGIERI F, SELVAGGI G, SILVESTRIS L, TEMPESTA P, ZITO G, GAO Y, HU H, HUANG D, HUANG X, LIN J, LOU J, QIAO C, WANG T, XIE Y, XU D, XU R, ZHANG J, ZHAO W, ATWOOD WB, BAUERDICK LAT, BIRD F, BLUCHER E, BONVICINI G, BOSSI F, BOUDREAU J, BURNETT TH, DREVERMANN H, FORTY RW, GRAB C, HAGELBERG R, HAYWOOD S, HILGART J, JOST E, KASEMANN M, KNOBLOCH J, LACOURT A, LANCON E, LEHRAUS I, LOHSE T, LUSIANI, Alberto, MARTINEZ M, MATO P, MENARY S, MEYER T, MINTEN A, MIOTTO A, MIQUEL R, MOSER HG, NASH J, PALAZZI P, PERLAS JA, RANJARD F, REDLINGER G, ROTH A, ROTHBERG J, RUAN T, SAICH M, SCHLATTER D, SCHMELLING M, TEJESSY W, WACHSMUTH H, WIEDENMANN W, WITZELING W, WOTSCHACK J, AJALTOUNI Z, BADAUD F, BARDADINOTWINOWSKA M, BENCHEIKH AM, ELFELLOUS R, FALVARD A, GAY P, GUICHENEY C, HENRARD P, JOUSSET J, MICHEL B, MONTRET JC, PALLIN D, PERRET P, PIETRZYK B, PRORIOL J, PRULHIERE F, STIMPFL G, HANSEN JD, HANSEN JR, HANSEN PH, MOLLERUD R, NILSSON BS, EFTHYMIOPOULOS I, SIMOPOULOU E, VAYAKI A, BADIER J, BLONDEL A, BONNEAUD G, BRIENT JC, FOUQUE G, GAMESS A, HARVEY J, ORTEU S, ROSOWSKY A, ROUGE A, RUMPF M, TANAKA R, VIDEAU H, CANDLIN DJ, PARSONS MI, VEITCH E, MONETA L, PARRINI G, CORDEN M, GEORGIOPOULOS C, LKEDA M, LANNUTTI J, LEVINTHAL D, MERMIKIDES M, SAWYER L, WASSERBAECH S, ANTONELLI A, BALDINI R, BENCIVENNI G, BOLOGNA G, CAMPANA P, CAPON G, CERUTTI F, CHIARELLA V, DETTORREPIAZZOLI B, FELICI G, LAURELLI P, MANNOCCHI G, MURTAS F, MURTAS GP, PASSALACQUA L, PEPEALTARELLI M, PICCHI P, ZOGRAFOU P, ALTOON B, BOYLE O, COLRAIN P, HALLEY AW, TENHAVE I, LYNCH JG, MAITLAND W, MORTON WT, RAINE C, SCARR JM, SMITH K, THOMPSON AS, TURNBULL RM, BRANDL B, BRAUN O, GEIGES R, GEWENIGER C, HANKE P, HEPP V, KLUGE EE, MAUMARY Y, PUTZER A, RENSCH B, STAHL A, TITTEL K, WUNSCH M, BELK AT, BEUSELINCK R, BINNIE DM, CAMERON W, CATTANEO M, COLLING DJ, DORNAN PJ, DUGEAY S, GREENE AM, HASSARD JF, LIESKE NM, PATTON SJ, PAYNE DG, PHILLIPS MJ, SEDGBEER JK, TAYLOR G, TOMALIN IR, WRIGHT AG, GIRTLER P, KUHN D, RUDOLPH G, BOWDERY CK, BRODBECK TJ, FINCH AJ, FOSTER F, HUGHES G, JACKSON D, KEEMER NR, NUTTALL M, PATEL A, SLOAN T, SNOW SW, WHELAN EP, BARCZEWSKI T, KLEINKNECHT K, RAAB J, RENK B, ROEHN S, SANDER HG, SCHMIDT H, STEEG F, WALTHER SM, WOLF B, AUBERT JJ, BENCHOUK C, BERNARD V, BONISSENT A, CARR J, COYLE P, DRINKARD J, ETIENNE F, PAPALEXIOU S, PAYRE P, QIAN Z, ROUSSEAU D, SCHWERNLING P, TALBY M, ADLUNG S, BECKER H, BLUM W, BROWN D, CATTANEO P, COWAN G, DEHNING B, DIETL H, DYDAK F, FERNANDEZBOSMAN M, HANSLKOZANECKA T, JAHN A, LANGE E, LAUBER J, LUTJENS G, LUTZ G, MANNER W, PAN Y, RICHTER R, ROTSCHEIDT H, SCHRODER J, SCHWARZ AS, SETTLES R, STIERLIN U, STIEGLER U, STDENIS R, TAKASHIMA M, THOMAS J, WOLF G, BERTIN V, BOUCROT J, CALLOT O, CHEN X, CORDIER A, DAVIER M, GRIVAZ JF, HEUSSE P, JANOT P, KIM DW, LEDIBERDER F, LEFRANCOIS J, LUTZ AM, SCHUNE MH, VEILLET JJ, VIDEAU I, ZHANG Z, ZOMER F, ABBANEO D, AMENDOLIA SR, BAGLIESI G, BATIGNANI G, BOSISIO L, BOTTIGLI U, BRADASCHIA C, CARPINELLI M, CIOCCI MA, DELLORSO R, FERRANTE I, FIDECARO F, FOA L, FOCARDI E, FORTI F, GATTO C, GIASSI A, GIORGI MA, MANNELLI EB, MARROCCHESI PS, MESSINEO A, PALLA F, SANGUINETTI G, STEINBERGER J, TENCHINI R, TONELLI G, TRIGGIANI G, VANNINI C, VENTURI A, VERDINI PG, WALSH J, CARTER JM, GREEN MG, MARCH PV, MEDCALF T, QUAZI IS, STRONG JA, WEST LR, WILDISH T, BOTTERILL DR, CLIFFT RW, EDGECOCK TR, EDWARDS M, FISHER SM, JONES TJ, NORTON PR, SALMON DP, THOMPSON JC, BLOCHDEVAUX B, COLAS P, KOZANECKI W, LOCCI E, LOUCATOS S, MONNIER E, PEREZ P, PERRIER F, RANDER J, RENARDY JF, ROUSSARIE A, SCHULLER JP, SCHWINDLING J, VALLAGE B, JOHNSON RP, LITKE AM, WEAR J, ASHMAN JG, BOOTH CN, BUTTAR C, CARNEY RE, CARTWRIGHT S, COMBLEY F, DOGRU M, HATFIELD F, MARTIN J, PARKER D, REEVES P, THOMPSON LF, BARBERIO E, BRANDT S, GRUPEN C, MEINHARD H, MIRABITO L, SCHAFER U, SEYWERD H, GANIS G, GIANNINI G, GOBBO B, RAGUSA F, BELLANTONI L, CINABRO D, CONWAY JS, COWEN DF, FENG Z, FERGUSON DPS, GAO YS, GRAHL J, HARTON JL, JARED RC, LECLAIRE BW, LISHKA C, PAN YB, PATER JR, SAADI Y, SHARMA V, SCHMITT M, SHI ZH, TANG YH, WALSH AM, WEBER FV, WHITNEY MH, WU SL, WU X, ZOBERNIG G, RI Perrier Frederic/A 5953 2011 ANTONELLI ANTONELLA/C 6238 2011 Buttar Craig/D 3706 2011 Stahl Achim/E 8846 2011 Passalacqua Luca/F 5127 2011 Murtas Fabrizio/B 5729 2012 S.t. Denis Richard/C 8997 2012 Forti Francesco/H 3035 2011 Ferrante Isidoro/F 1017 2012, ROLANDI, LUIGI, LIGABUE, FRANCO, Decamp, D, Deschizeaux, B, Goy, C, Lees, J, Minard, M, Alemany, R, Ariztizabal, F, Crespo, J, Delfino, M, Fernandez, E, Gaitan, V, Garrido, L, Mir, L, Pacheco, A, Pascual, A, Catanesi, M, Creanza, D, Depalma, M, Farilla, A, Iaselli, G, Maggi, G, Maggi, M, Natali, S, Nuzzo, S, Quattromini, M, Ranieri, A, Raso, G, Romano, F, Ruggieri, F, Selvaggi, G, Silvestris, L, Tempesta, P, Zito, G, Gao, Y, Hu, H, Huang, D, Huang, X, Lin, J, Lou, J, Qiao, C, Wang, T, Xie, Y, Xu, D, Xu, R, Zhang, J, Zhao, W, Atwood, W, Bauerdick, L, Bird, F, Blucher, E, Bonvicini, G, Bossi, F, Boudreau, J, Burnett, T, Drevermann, H, Forty, R, Grab, C, Hagelberg, R, Haywood, S, Hilgart, J, Jost, E, Kasemann, M, Knobloch, J, Lacourt, A, Lancon, E, Lehraus, I, Lohse, T, Lusiani, A, Martinez, M, Mato, P, Menary, S, Meyer, T, Minten, A, Miotto, A, Miquel, R, Moser, H, Nash, J, Palazzi, P, Perlas, J, Ranjard, F, Redlinger, G, Rolandi, L, Roth, A, Rothberg, J, Ruan, T, Saich, M, Schlatter, D, Schmelling, M, Tejessy, W, Wachsmuth, H, Wiedenmann, W, Witzeling, W, Wotschack, J, Ajaltouni, Z, Badaud, F, Bardadinotwinowska, M, Bencheikh, A, Elfellous, R, Falvard, A, Gay, P, Guicheney, C, Henrard, P, Jousset, J, Michel, B, Montret, J, Pallin, D, Perret, P, Pietrzyk, B, Proriol, J, Prulhiere, F, Stimpfl, G, Hansen, J, Hansen, P, Mollerud, R, Nilsson, B, Efthymiopoulos, I, Simopoulou, E, Vayaki, A, Badier, J, Blondel, A, Bonneaud, G, Brient, J, Fouque, G, Gamess, A, Harvey, J, Orteu, S, Rosowsky, A, Rouge, A, Rumpf, M, Tanaka, R, Videau, H, Candlin, D, Parsons, M, Veitch, E, Moneta, L, Parrini, G, Corden, M, Georgiopoulos, C, Lkeda, M, Lannutti, J, Levinthal, D, Mermikides, M, Sawyer, L, Wasserbaech, S, Antonelli, A, Baldini, R, Bencivenni, G, Bologna, G, Campana, P, Capon, G, Cerutti, F, Chiarella, V, Dettorrepiazzoli, B, Felici, G, Laurelli, P, Mannocchi, G, Murtas, F, Murtas, G, Passalacqua, L, Pepealtarelli, M, Picchi, P, Zografou, P, Altoon, B, Boyle, O, Colrain, P, Halley, A, Tenhave, I, Lynch, J, Maitland, W, Morton, W, Raine, C, Scarr, J, Smith, K, Thompson, A, Turnbull, R, Brandl, B, Braun, O, Geiges, R, Geweniger, C, Hanke, P, Hepp, V, Kluge, E, Maumary, Y, Putzer, A, Rensch, B, Stahl, A, Tittel, K, Wunsch, M, Belk, A, Beuselinck, R, Binnie, D, Cameron, W, Cattaneo, M, Colling, D, Dornan, P, Dugeay, S, Greene, A, Hassard, J, Lieske, N, Patton, S, Payne, D, Phillips, M, Sedgbeer, J, Taylor, G, Tomalin, I, Wright, A, Girtler, P, Kuhn, D, Rudolph, G, Bowdery, C, Brodbeck, T, Finch, A, Foster, F, Hughes, G, Jackson, D, Keemer, N, Nuttall, M, Patel, A, Sloan, T, Snow, S, Whelan, E, Barczewski, T, Kleinknecht, K, Raab, J, Renk, B, Roehn, S, Sander, H, Schmidt, H, Steeg, F, Walther, S, Wolf, B, Aubert, J, Benchouk, C, Bernard, V, Bonissent, A, Carr, J, Coyle, P, Drinkard, J, Etienne, F, Papalexiou, S, Payre, P, Qian, Z, Rousseau, D, Schwernling, P, Talby, M, Adlung, S, Becker, H, Blum, W, Brown, D, Cattaneo, P, Cowan, G, Dehning, B, Dietl, H, Dydak, F, Fernandezbosman, M, Hanslkozanecka, T, Jahn, A, Lange, E, Lauber, J, Lutjens, G, Lutz, G, Manner, W, Pan, Y, Richter, R, Rotscheidt, H, Schroder, J, Schwarz, A, Settles, R, Stierlin, U, Stiegler, U, Stdenis, R, Takashima, M, Thomas, J, Wolf, G, Bertin, V, Boucrot, J, Callot, O, Chen, X, Cordier, A, Davier, M, Grivaz, J, Heusse, P, Janot, P, Kim, D, Lediberder, F, Lefrancois, J, Lutz, A, Schune, M, Veillet, J, Videau, I, Zhang, Z, Zomer, F, Abbaneo, D, Amendolia, S, Bagliesi, G, Batignani, G, Bosisio, L, Bottigli, U, Bradaschia, C, Carpinelli, M, Ciocci, M, Dellorso, R, Ferrante, I, Fidecaro, F, Foa, L, Focardi, E, Forti, F, Gatto, C, Giassi, A, Giorgi, M, Ligabue, F, Mannelli, E, Marrocchesi, P, Messineo, A, Palla, F, Sanguinetti, G, Steinberger, J, Tenchini, R, Tonelli, G, Triggiani, G, Vannini, C, Venturi, A, Verdini, P, Walsh, J, Carter, J, Green, M, March, P, Medcalf, T, Quazi, I, Strong, J, West, L, Wildish, T, Botterill, D, Clifft, R, Edgecock, T, Edwards, M, Fisher, S, Jones, T, Norton, P, Salmon, D, Thompson, J, Blochdevaux, B, Colas, P, Kozanecki, W, Locci, E, Loucatos, S, Monnier, E, Perez, P, Perrier, F, Rander, J, Renardy, J, Roussarie, A, Schuller, J, Schwindling, J, Vallage, B, Johnson, R, Litke, A, Wear, J, Ashman, J, Booth, C, Buttar, C, Carney, R, Cartwright, S, Combley, F, Dogru, M, Hatfield, F, Martin, J, Parker, D, Reeves, P, Thompson, L, Barberio, E, Brandt, S, Grupen, C, Meinhard, H, Mirabito, L, Schafer, U, Seywerd, H, Ganis, G, Giannini, G, Gobbo, B, Ragusa, F, Bellantoni, L, Cinabro, D, Conway, J, Cowen, D, Feng, Z, Ferguson, D, Grahl, J, Harton, J, Jared, R, Leclaire, B, Lishka, C, Pater, J, Saadi, Y, Sharma, V, Schmitt, M, Shi, Z, Tang, Y, Walsh, A, Weber, F, Whitney, M, Wu, S, Wu, X, Zobernig, G, D., Decamp, B., Deschizeaux, C., Goy, J. P., Lee, M. N., Minard, R., Alemany, F., Ariztizabal, J. M., Crespo, M., Delfino, E., Fernandez, V., Gaitan, Garrido, L. l., Mir, L. l. M., A., Pacheco, A., Pascual, M. G., Catanesi, D., Creanza, M., de Palma, A., Farilla, G., Iaselli, G., Maggi, M., Maggi, S., Natali, S., Nuzzo, M., Quattromini, A., Ranieri, G., Raso, F., Romano, F., Ruggieri, G., Selvaggi, L., Silvestri, P., Tempesta, G., Zito, Y., Gao, H., Hu, D., Huang, X., Huang, J., Lin, J., Lou, C., Qiao, T., Wang, Y., Xie, D., Xu, R., Xu, J., Zhang, W., Zhao, W. B., Atwood, L. A. T., Bauerdick, F., Bird, E., Blucher, G., Bonvicini, F., Bossi, J., Boudreau, T. H., Burnett, H., Drevermann, R. W., Forty, C., Grab, R., Hagelberg, S., Haywood, J., Hilgart, E., Jost, M., Kasemann, J., Knobloch, A., Lacourt, E., Lançon, I., Lehrau, T., Lohse, A., Lusiani, M., Martinez, P., Mato, S., Menary, T., Meyer, A., Minten, A., Miotto, R., Miquel, H. G., Moser, J., Nash, P., Palazzi, J. A., Perla, F., Ranjard, G., Redlinger, L., Rolandi, A., Roth, J., Rothberg, T., Ruan, M., Saich, D., Schlatter, M., Schmelling, W., Tejessy, H., Wachsmuth, W., Wiedenmann, W., Witzeling, J., Wotschack, Z., Ajaltouni, F., Badaud, M., Bardadin Otwinowska, A. M., Bencheikh, R., El Fellou, A., Falvard, P., Gay, C., Guicheney, P., Henrard, J., Jousset, B., Michel, J. C., Montret, D., Pallin, P., Perret, B., Pietrzyk, J., Proriol, F., Prulhière, G., Stimpfl, J. D., Hansen, J. R., Hansen, P. H., Hansen, R., Møllerud, B. S., Nilsson, I., Efthymiopoulo, E., Simopoulou, A., Vayaki, J., Badier, A., Blondel, G., Bonneaud, J. C., Brient, G., Fouque, A., Game, J., Harvey, S., Orteu, A., Rosowsky, A., Rougé, M., Rumpf, R., Tanaka, H., Videau, D. J., Candlin, M. I., Parson, E., Veitch, L., Moneta, G., Parrini, M., Corden, C., Georgiopoulo, M., Lkeda, J., Lannutti, D., Levinthal, M., Mermikide, L., Sawyer, S., Wasserbaech, A., Antonelli, R., Baldini, G., Bencivenni, G., Bologna, P., Campana, G., Capon, F., Cerutti, V., Chiarella, D'ETTORRE PIAZZOLI, Benedetto, G., Felici, P., Laurelli, G., Mannocchi, F., Murta, G. P., Murta, L., Passalacqua, M., Pepe Altarelli, P., Picchi, P., Zografou, B., Altoon, O., Boyle, P., Colrain, A. W., Halley, I., ten Have, J. G., Lynch, W., Maitland, W. T., Morton, C., Raine, J. M., Scarr, K., Smith, A. S., Thompson, R. M., Turnbull, B., Brandl, O., Braun, R., Geige, C., Geweniger, P., Hanke, V., Hepp, E. E., Kluge, Y., Maumary, A., Putzer, B., Rensch, A., Stahl, K., Tittel, M., Wunsch, A. T., Belk, R., Beuselinck, D. M., Binnie, W., Cameron, M., Cattaneo, D. J., Colling, P. J., Dornan, S., Dugeay, A. M., Greene, J. F., Hassard, N. M., Lieske, S. J., Patton, D. G., Payne, M. J., Phillip, J. K., Sedgbeer, G., Taylor, I. R., Tomalin, A. G., Wright, P., Girtler, D., Kuhn, G., Rudolph, C. K., Bowdery, T. J., Brodbeck, A. J., Finch, F., Foster, G., Hughe, D., Jackson, N. R., Keemer, M., Nuttall, A., Patel, T., Sloan, S. W., Snow, E. P., Whelan, T., Barczewski, K., Kleinknecht, J., Raab, B., Renk, S., Roehn, H. G., Sander, H., Schmidt, F., Steeg, S. M., Walther, B., Wolf, J. J., Aubert, C., Benchouk, V., Bernard, A., Bonissent, J., Carr, P., Coyle, J., Drinkard, F., Etienne, S., Papalexiou, P., Payre, Z., Qian, D., Rousseau, P., Schwernling, M., Talby, S., Adlung, H., Becker, W., Blum, D., Brown, P., Cattaneo, G., Cowan, B., Dehning, H., Dietl, F., Dydak, M., Fernandez Bosman, T., Hansl Kozanecka, A., Jahn, E., Lange, J., Lauber, G., Lütjen, G., Lutz, W., Männer, Y., Pan, R., Richter, H., Rotscheidt, J., Schröder, A. S., Schwarz, R., Settle, U., Stierlin, U., Stiegler, Denis, R. S. t., M., Takashima, J., Thoma, G., Wolf, V., Bertin, J., Boucrot, O., Callot, X., Chen, A., Cordier, M., Davier, J. F., Grivaz, Heusse, P. h., P., Janot, D. W., Kim, F., Le Diberder, J., Lefrançoi, A. M., Lutz, M. H., Schune, J. J., Veillet, I., Videau, Z., Zhang, F., Zomer, D., Abbaneo, S. R., Amendolia, G., Bagliesi, G., Batignani, L., Bosisio, U., Bottigli, C., Bradaschia, M., Carpinelli, M. A., Ciocci, R., Dell'Orso, I., Ferrante, F., Fidecaro, L., Foà, E., Focardi, F., Forti, C., Gatto, A., Giassi, M. A., Giorgi, F., Ligabue, E. B., Mannelli, P. S., Marrocchesi, A., Messineo, F., Palla, G., Sanguinetti, J., Steinberger, R., Tenchini, G., Tonelli, G., Triggiani, C., Vannini, A., Venturi, P. G., Verdini, J., Walsh, J. M., Carter, M. G., Green, P. V., March, T., Medcalf, I. S., Quazi, J. A., Strong, L. R., West, T., Wildish, D. R., Botterill, R. W., Clifft, T. R., Edgecock, M., Edward, S. M., Fisher, T. J., Jone, P. R., Norton, D. P., Salmon, J. C., Thompson, B., Bloch Devaux, P., Cola, W., Kozanecki, E., Locci, S., Loucato, E., Monnier, P., Perez, F., Perrier, J., Rander, J. F., Renardy, A., Roussarie, J. P., Schuller, J., Schwindling, B., Vallage, R. P., Johnson, A. M., Litke, J., Wear, J. G., Ashman, C. N., Booth, C., Buttar, R. E., Carney, S., Cartwright, F., Combley, M., Dogru, F., Hatfield, J., Martin, D., Parker, P., Reeve, L. F., Thompson, E., Barberio, S., Brandt, C., Grupen, H., Meinhard, L., Mirabito, U., Schäfer, H., Seywerd, G., Gani, G., Giannini, B., Gobbo, F., Ragusa, L., Bellantoni, D., Cinabro, J. S., Conway, D. F., Cowen, Z., Feng, D. P. S., Ferguson, Y. S., Gao, J., Grahl, J. L., Harton, R. C., Jared, B. W., Leclaire, C., Lishka, Y. B., Pan, J. R., Pater, Y., Saadi, V., Sharma, M., Schmitt, Z. H., Shi, Y. H., Tang, A. M., Walsh, F. V., Weber, M. H., Whitney, Wu Sau, Lan, X., Wu, G., Zobernig, Lees, Jp, Minard, Mn, Crespo, Jm, Mir, Lm, Catanesi, Mg, Atwood, Wb, Bauerdick, Lat, Burnett, Th, Forty, Rw, Lusiani, Alberto, Moser, Hg, Perlas, Ja, Rolandi, Luigi, Bencheikh, Am, Montret, Jc, Hansen, Jd, Hansen, Jr, Hansen, Ph, Brient, Jc, Candlin, Dj, Parsons, Mi, Murtas, Gp, Halley, Aw, Lynch, Jg, Morton, Wt, Scarr, Jm, Turnbull, Rm, Kluge, Ee, Belk, At, Binnie, Dm, Colling, Dj, Dornan, Pj, Greene, Am, Hassard, Jf, Lieske, Nm, Patton, Sj, Payne, Dg, Phillips, Mj, Sedgbeer, Jk, Tomalin, Ir, Wright, Ag, Bowdery, Ck, Brodbeck, Tj, Finch, Aj, Keemer, Nr, Snow, Sw, Whelan, Ep, Sander, Hg, Walther, Sm, Aubert, Jj, Grivaz, Jf, Kim, Dw, Lutz, Am, Schune, Mh, Veillet, Jj, Amendolia, Sr, Ciocci, Ma, Giorgi, Ma, Ligabue, Franco, Mannelli, Eb, Verdini, Pg, Carter, Jm, Green, Mg, March, Pv, Strong, Ja, West, Lr, Botterill, Dr, Clifft, Rw, Edgecock, Tr, Fisher, Sm, Jones, Tj, Norton, Pr, Salmon, Dp, Thompson, Jc, Renardy, Jf, Schuller, Jp, Johnson, Rp, Litke, Am, Ashman, Jg, Booth, Cn, Carney, Re, Thompson, Lf, Cowen, Df, Ferguson, Dp, Harton, Jl, Jared, Rc, Leclaire, Bw, Pan, Yb, Pater, Jr, Shi, Zh, Tang, Yh, Walsh, Am, Weber, Fv, Whitney, Mh, Wu, Sl, and Denis Richard/C 8997 2012 Forti Francesco/H 3035 2011 Ferrante Isidoro/F 1017 2012, RI Perrier Frederic/A 5953 2011 ANTONELLI ANTONELLA/C 6238 2011 Buttar Craig/D 3706 2011 Stahl Achim/E 8846 2011 Passalacqua Luca/F 5127 2011 Murtas Fabrizio/B 5729 2012 S. t.
- Subjects
Semileptonic decay ,Physics ,Nuclear and High Energy Physics ,Particle physics ,Branching fraction ,Electron–positron annihilation ,High Energy Physics::Phenomenology ,Hadron ,Nuclear physics ,Baryon ,High Energy Physics::Experiment ,Charm (quantum number) ,Nuclear Experiment ,Particle Physics - Experiment - Abstract
In 160 000 hadronic Z decays recorded with the ALEPH detector at LEP, the yields of Λl− and Λl+ combinations have been measured. The observed excess of Λl− over Λl+ of 53±13 is interpreted as evidence for b baryons and their semileptonic decay. Assuming that three body decay processes such as Λ b →Λ c + l − v dominate the semileptonic decay of b baryons, this ex cess corresponds to a product branching ratio BR ( b →Λ b )· BR (Λ b →Λ c + l − v )· BR (Λ c + →ΛX) = (0.95±0.22 ( stat. )±0.21( syst. ))% , where Λb and Λc+ denote the bottom and charm baryons respectively.
- Published
- 1991