One-prong tau decays with kaons

Barate, R; Decamp, D; Ghez, P; Goy, C; Lees, Jp; Merle, E; Minard, Mn; Pietrzyk, B; Alemany, R; Casado, Mp; Chmeissani, M; Crespo, Jm; Fernandez, E; Fernandez Bosman, M; Garrido, L; Grauges, E; Juste, A; Martinez, M; Merino, G; Miquel, R; Mir, Lm; Pacheco, A; Park, Ic; Riu, I; Colaleo, A; Creanza, Donato Maria; De Palma, M; Gelao, Gennaro; Iaselli, Giuseppe; Maggi, Giorgio Pietro; Maggi, M; Nuzzo, S; Ranieri, A; Raso, G; Ruggieri, F; Selvaggi, G; Silvestris, L; Tempesta, P; Tricomi, A; Zito, G; Huang, X; Lin, J; Ouyang, Q; Wang, T; Xie, Y; R, Xu; Xue, S; Zhang, J; Zhang, L; Zhao, W; Abbaneo, D; Becker, U; Boix, G; Cattaneo, M; Ciulli, V; Dissertori, G; Drevermann, H; Forty, Rw; Frank, M; Halley, Aw; Hansen, Jb; Harvey, J; Janot, P; Jost, B; Lehraus, I; Leroy, O; Mato, P; Minten, A; Moutoussi, A; Ranjard, F; Rolandi, L; Rousseau, D; Schlatter, D; Schmitt, M; Schneider, O; Tejessy, W; Teubert, F; Tomalin, Ir; Tournefier, E; Wright, Ae; Ajaltouni, Z; Badaud, F; Chazelle, G; Deschamps, O; Falvard, A; Ferdi, C; Gay, P; Guicheney, C; Henrard, P; Jousset, J; Michel, B; Monteil, S; Montret, Jc; Pallin, D; Perret, P; Podlyski, F; Hansen, Jd; Hansen, Jr; Hansen, Ph; Nilsson, Bs; Rensch, B; Waananen, A; Daskalakis, G; Kyriakis, A; Markou, C; Simopoulou, E; Siotis, I; Vayaki, A; Blondel, A; Bonneaud, G; Brient, Jc; Rouge, A; Rumpf, H; Swynghedauw, M; Verderi, M; Videau, H; Focardi, E; Parrini, G; Zachariadou, K; Cavanaugh, R; Corden, M; Georgiopoulos, C; Antonelli, A; Bencivenni, G; Bologna, G; Bossi, F; Campana, P; Capon, G; Cerutti, F; Chiarella, V; Laurelli, P; Mannocchi, G; Murtas, F; Murtas, Gp; Passalacqua, L; Pepe Altarelli, M; Curtis, L; Lynch, Jg; Negus, P; O'Shea, V; Raine, C; Teixeira Dias, P; Thompson, As; Buchmuller, O; Dhamotharan, S; Geweniger, C; Hanke, P; Hansper, G; Hepp, V; Kluge, Ee; Putzer, A; Sommer, J; Tittel, K; Werner, S; Wunsch, M; Beuselinck, R; Binnie, Dm; Cameron, W; Dornan, Pj; Girone, M; Goodsir, S; Martin, Eb; Marinelli, N; Sedgbeer, Jk; Spagnolo, P; Thomson, E; Williams, Md; Ghete, Vm; Girtler, P; Kneringer, E; Kuhn, D; Rudolph, G; Betteridge, Ap; Bowdery, Ck; Buck, Pg; Colrain, P; Crawford, G; Finch, Aj; Foster, F; Hughes, G; Rwl, Jones; Robertson, Na; Williams, Mi; Giehl, I; Hoffmann, C; Jakobs, K; Kleinknecht, K; Quast, G; Renk, B; Rohne, E; Sander, Hg; Van Gemmeren, P; Wachsmuth, H; Zeitnitz, C; Aubert, Jj; Benchouk, C; Bonissent, A; Carr, J; Coyle, P; Etienne, F; Motsch, F; Payre, P; Talby, M; Thulasidas, M; Aleppo, M; Antonelli, M; Ragusa, F; Berlich, R; Buscher, V; Dietl, H; Ganis, G; Huttmann, K; Lutjens, G; Mannert, C; Manner, W; Moser, Hg; Schael, S; Settles, R; Seywerd, H; Stenzel, H; Wiedenmann, W; Wolf, G; Azzurri, P; Boucrot, J; Callot, O; Chen, S; Cordier, A; Davier, M; Duflot, L; Grivaz, Jf; Heusse, P; Hocker, A; Jacholkowska, A; Kim, Dw; Le Diberder, F; Lefrancois, J; Lutz, Am; Schune, Mh; Veillet, Jj; Videau, I; Zerwas, D; Bagliesi, G; Bettarini, S; Boccali, T; Bozzi, C; Calderini, G; Dell'Orso, R; Ferrante, I; Foa, L; Giassi, A; Gregorio, A; Ligabue, F; Lusiani, A; Marrocchesi, Ps; Messineo, A; Palla, F; Rizzo, G; Sanguinetti, G; Sciaba, A; Sguazzoni, G; Tenchini, R; Vannini, C; Venturi, A; Verdini, Pg; Blair, Ga; Cowan, G; Green, Mg; Medcalf, T; Strong, Ja; Von Wimmersperg Toeller Jh,; Botterill, Dr; Clifft, Rw; Edgecock, Tr; Norton, Pr; Thompson, Jc; Bloch Devaux, B; Colas, P; Emery, S; Kozanecki, W; Lancon, E; Lemaire, Mc; Locci, E; Perez, P; Rander, J; Renardy, Jf; Roussarie, A; Schuller, Jp; Schwindling, J; Trabelsi, A; Vallage, B; Black, Sn; Dann, Jh; Johnson, Rp; Kim, Hy; Konstantinidis, N; Litke, Am; Mcneil, Ma; Taylor, G; Booth, Cn; Cartwright, S; Combley, F; Kelly, Ms; Lehto, M; Thompson, Lf; Affholderbach, K; Bohrer, A; Brandt, S; Grupen, C; Prange, G; Giannini, G; Gobbo, B; Rothberg, J; Wasserbaech, S; Armstrong, Sr; Charles, E; Elmer, P; Dps, Ferguson; Gao, Y; Gonzalez, S; Greening, Tc; Hayes, Oj; H, Hu; Jin, S; Mcnamara, Pa; Nachtman, Jm; Nielsen, J; Orejudos, W; Pan, Yb; Saadi, Y; Scott, Ij; Walsh, J; Sl, Wu; X, Wu; Zobernig, G.

doi:10.1007/s100529900146

One-prong tau decays into final states involving kaons are studied with about 161000 tau(+) tau(-) events collected by the ALEPH detector from 1991 to 1995. Charged kaons are identified by dE/dx measurement, while K(L)(0)'s are detected through their interaction in calorimeters. Branching ratios are measured for the inclusive mode, B (tau(-) --> K(-)X nu(tau)) = (1.52 +/- 0.04 +/- 0 04)%, where X can be any system of neutral particles, and for the exclusive modes B(tau(-) --> K(-)nu(tau)) = (6.96 +/- 0.25 +/- 0.14) x 10(-3), B(tau(-) --> K(-)pi(0)nu(tau)) =(4.44 +/- 0.26 +/- 0.24) x 10(-3), B(tau(-) --> K(-)pi(0)pi(0)nu(tau)) = (0.56 +/- 0.20 +/- 0.15) x 10(-3), B(tau(-) --> K(-)pi(0)pi(0)pi(0)nu(tau)) = (0.37 +/- 0.21 +/- 0.11) x 10(-3), B(tau(-) --> K(-)K(0)nu(tau)) = (1.62 +/- 0.21 +/- 0.11) x 10(-3), B(tau(-) --> K-K(0)pi(0)nu(tau)) = 1.43 +/- 0.25 +/- 0.15) x 10(-3), B(tau(-) --> <(K(0))over bar>pi(-)nu tau) = (9.28 +/- 0.45 +/- 0.34) x 10(-3), B(tau(-) --> <(K(0))over bar>pi(-)nu(tau)) = (3..47 +/- 0.53 +/- 0.37) x 10(-3), where the first error is statistical and the second is systematical. Upper limits for B(tau(-) --> K(0)pi(-)pi(0)pi(0)nu(tau)) and B(tau(-) --> K(-)K(0)pi(0)pi(0)nu(tau)) are also obtained. Mass spectra in the final states are investigated in order to study the relevant dynamics.

One-prong tau decays with kaons / Barate, R., Decamp, D., Ghez, P., Goy, C., Lees, J.p., Merle, E., Minard, M.n., Pietrzyk, B., Alemany, R., Casado, M.p., Chmeissani, M., Crespo, J.m., Fernandez, E., Fernandez Bosman, M., Garrido, L., Grauges, E., Juste, A., Martinez, M., Merino, G., Miquel, R., et al.. - In: THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS. - ISSN 1434-6044. - STAMPA. - 10:1(1999), pp. 1-18. [10.1007/s100529900146]