Exclusive branching-fraction measurements of semileptonic tau decays into three charged hadrons, into phipi(-)nu tau, and into phi K(-)nu tau.
B Aubert, M Bona, D Boutigny, F Couderc, Y Karyotakis, J P Lees, V Poireau, V Tisserand, A Zghiche, E Grauges, A Palano, J C Chen, N D Qi, G Rong, P Wang, Y S Zhu, G Eigen, I Ofte, B Stugu, G S Abrams, M Battaglia, D N Brown, J Button-Shafer, R N Cahn, E Charles, M S Gill, Y Groysman, R G Jacobsen, J A Kadyk, L T Kerth, Yu G Kolomensky, G Kukartsev, D Lopes Pegna, G Lynch, L M Mir, T J Orimoto, M Pripstein, N A Roe, M T Ronan, W A Wenzel, P del Amo Sanchez, M Barrett, K E Ford, T J Harrison, A J Hart, C M Hawkes, A T Watson, T Held, H Koch, B Lewandowski, M Pelizaeus, K Peters, T Schroeder, M Steinke, J T Boyd, J P Burke, W N Cottingham, D Walker, D J Asgeirsson, T Cuhadar-Donszelmann, B G Fulsom, C Hearty, N S Knecht, T S Mattison, J A McKenna, A Khan, P Kyberd, M Saleem, D J Sherwood, L Teodorescu, V E Blinov, A D Bukin, V P Druzhinin, V B Golubev, A P Onuchin, S I Serednyakov, Yu I Skovpen, E P Solodov, K Yu Todyshev, D S Best, M Bondioli, M Bruinsma, M Chao, S Curry, I Eschrich, D Kirkby, A J Lankford, P Lund, M Mandelkern, W Roethel, D P Stoker, S Abachi, C Buchanan, S D Foulkes, J W Gary, O Long, B C Shen, K Wang, L Zhang, H K Hadavand, E J Hill, H P Paar, S Rahatlou, V Sharma, J W Berryhill, C Campagnari, A Cunha, B Dahmes, T M Hong, D Kovalskyi, J D Richman, T W Beck, A M Eisner, C J Flacco, C A Heusch, J Kroseberg, W S Lockman, G Nesom, T Schalk, B A Schumm, A Seiden, P Spradlin, D C Williams, M G Wilson, J Albert, E Chen, C H Cheng, A Dvoretskii, F Fang, D G Hitlin, I Narsky, T Piatenko, F C Porter, G Mancinelli, B T Meadows, K Mishra, M D Sokoloff, F Blanc, P C Bloom, S Chen, W T Ford, J F Hirschauer, A Kreisel, M Nagel, U Nauenberg, A Olivas, W O Ruddick, J G Smith, K A Ulmer, S R Wagner, J Zhang, A Chen, E A Eckhart, A Soffer, W H Toki, R J Wilson, F Winklmeier, Q Zeng, D D Altenburg, E Feltresi, A Hauke, H Jasper, J Merkel, A Petzold, B Spaan, T Brandt, V Klose, H M Lacker, W F Mader, R Nogowski, J Schubert, K R Schubert, R Schwierz, J E Sundermann, A 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Pruvot, S Rodier, P Roudeau, M H Schune, J Serrano, A Stocchi, W F Wang, G Wormser, D J Lange, D M Wright, C A Chavez, I J Forster, J R Fry, E Gabathuler, R Gamet, K A George, D E Hutchcroft, D J Payne, K C Schofield, C Touramanis, A J Bevan, C K Clarke, F Di Lodovico, W Menges, R Sacco, G Cowan, H U Flaecher, D A Hopkins, P S Jackson, T R McMahon, F Salvatore, A C Wren, D N Brown, C L Davis, J Allison, N R Barlow, R J Barlow, Y M Chia, C L Edgar, G D Lafferty, M T Naisbit, J C Williams, J I Yi, C Chen, W D Hulsbergen, A Jawahery, C K Lae, D A Roberts, G Simi, G Blaylock, C Dallapiccola, S S Hertzbach, X Li, T B Moore, S Saremi, H Staengle, R Cowan, G Sciolla, S J Sekula, M Spitznagel, F Taylor, R K Yamamoto, H Kim, S E McLachlin, P M Patel, S H Robertson, A Lazzaro, V Lombardo, F Palombo, J M Bauer, L Cremaldi, V Eschenburg, R Godang, R Kroeger, D A Sanders, D J Summers, H W Zhao, S Brunet, D Côté, M Simard, P Taras, F B Viaud, H Nicholson, N Cavallo, G De Nardo, F Fabozzi, C Gatto, L 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Using a data sample corresponding to an integrated luminosity of 342 fb(-1) collected with the BABAR detector at the SLAC PEP-II electron-positron storage ring operating at a center-of-mass energy near 10.58 GeV, we measure B(tau(-)--> pi(-)pi(-)pi+nu(tau)(ex.K(S0))=(8.83+/-0.01+/-0.13)%, B(tau(-) -->K(-)pi(-)pi+nu tau(ex.K(S0))=(0.273+/-0.002+/-0.009)%, B(tau(-) -->K(-)pi(-)K+nu tau)=(0.1346+/-0.0010+/-0.0036)%, and B(tau(-) -->K(-)K(-)K+nu tau)=(1.58+/-0.13+/-0.12)x10;{-5}, where the uncertainties are statistical and systematic, respectively. These include significant improvements over previous measurements and a first measurement of B(tau(-) -->K(-)K(-)K+nu tau) in which no resonance structure is assumed. We also report a first measurement of B(tau(-) -->var phi(-)nu tau)=(3.42+/-0.55+/-0.25)x10(-5), a new measurement of B(tau(-) -->var phi K(-)nu tau)=(3.39+/-0.20+/-0.28)x10(-5) and a first upper limit on B(tau(-) -->K(-)K(-)K+nu tau(ex.var phi)).
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