Studies of tau- -> eta.K-.nu and tau- -> eta.pi-.nu at BaBar and a search for a second-class current
We report on analyses of tau lepton decays $\tau^- \to \eta K^- \nu_{\tau}$ and $\tau^- \to \eta \pi^- \nu_{\tau}$, with $\eta \to \pi^+ \pi^- \pi^0$, using 470 fb$^{-1}$ of data from the Babar experiment at PEP-II, collected at center-of-mass energies at and near the $\Upsilon(4S)$ resonance. We me...
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| Veröffentlicht in: | Physical review. D 2011, Vol.83 |
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| creator | del Amo Sanchez, P. Lees, J.P. Poireau, V. Prencipe, E. Tisserand, V. Garra Tico, J. Grauges, E. Martinelli, M. Palano, A. Pappagallo, M. Eigen, G. Stugu, B. Sun, L. Battaglia, M. Brown, D.N. Hooberman, B. Kerth, L.T. Kolomensky, Yu. G. Lynch, G. Osipenkov, I.L. Tanabe, T. Hawkes, C.M. Watson, A.T. Koch, H. Schroeder, T. Asgeirsson, D.J. Hearty, C. Mattison, T.S. Mckenna, J.A. Khan, A. Randle-Conde, A. Blinov, V.E. Buzykaev, A.R. Druzhinin, V.P. Golubev, V.B. Onuchin, A.P. Serednyako, S.I. Skovpen, Yu. I. Solodo, E.P. Todyshe, K. Yu Yushko, A.N. Bondioli, M. Curry, S. Kirkby, D. Lankford, A.J. Mandelkern, M. Martin, E.C. Stoker, D.P. Atmacan, H. Gary, J.W. Liu, F. Long, O. Vitug, G.M. Campagnari, C. Hong, T.M. Kovalskyi, D. Richman, J.D. West, C. Eisner, A.M. Heusch, C.A. Kroseberg, J. Lockman, W.S. Martinez, A.J. Schalk, T. Schumm, B.A. Seiden, A. Winstrom, L.O. Cheng, C.H. Doll, D.A. Echenard, B. Hitlin, D.G. Ongmongkolkul, P. Porter, F.C. Rakitin, A.Y. Andreassen, R. Dubrovin, M.S. Mancinelli, G. Meadows, B.T. Sokoloff, M.D. Bloom, P.C. Ford, W.T. Gaz, A. Nagel, M. Nauenberg, U. Smith, J.G. Wagner, S.R. Ayad, R. Toki, W.H. Jasper, H. Karbach, T.M. Merkel, J. Petzold, A. Spaan, B. Wacker, K. Kobel, M.J. Schubert, K.R. Schwierz, R. Bernard, D. Verderi, M. Clark, P.J. |
| description | We report on analyses of tau lepton decays $\tau^- \to \eta K^- \nu_{\tau}$ and $\tau^- \to \eta \pi^- \nu_{\tau}$, with $\eta \to \pi^+ \pi^- \pi^0$, using 470 fb$^{-1}$ of data from the Babar experiment at PEP-II, collected at center-of-mass energies at and near the $\Upsilon(4S)$ resonance. We measure the branching fraction for the $\tau^- \to \eta K^- \nu_{\tau}$ decay mode, $\Br(\tau^- \to \eta K^- \nu_{\tau}) = (1.42\pm0.11\text{(stat)}\pm0.07\text{(syst)})\times10^{-4}$, and report a 95% confidence level upper limit for the second-class current process $\tau^- \to \eta \pi^- \nu_{\tau}$, $\Br(\tau^- \to \eta \pi^- \nu_{\tau}) < 9.9\times10^{-5}$. |
| doi_str_mv | 10.1103/PhysRevD.83.032002 |
| format | Article |
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G. ; Lynch, G. ; Osipenkov, I.L. ; Tanabe, T. ; Hawkes, C.M. ; Watson, A.T. ; Koch, H. ; Schroeder, T. ; Asgeirsson, D.J. ; Hearty, C. ; Mattison, T.S. ; Mckenna, J.A. ; Khan, A. ; Randle-Conde, A. ; Blinov, V.E. ; Buzykaev, A.R. ; Druzhinin, V.P. ; Golubev, V.B. ; Onuchin, A.P. ; Serednyako, S.I. ; Skovpen, Yu. I. ; Solodo, E.P. ; Todyshe, K. Yu ; Yushko, A.N. ; Bondioli, M. ; Curry, S. ; Kirkby, D. ; Lankford, A.J. ; Mandelkern, M. ; Martin, E.C. ; Stoker, D.P. ; Atmacan, H. ; Gary, J.W. ; Liu, F. ; Long, O. ; Vitug, G.M. ; Campagnari, C. ; Hong, T.M. ; Kovalskyi, D. ; Richman, J.D. ; West, C. ; Eisner, A.M. ; Heusch, C.A. ; Kroseberg, J. ; Lockman, W.S. ; Martinez, A.J. ; Schalk, T. ; Schumm, B.A. ; Seiden, A. ; Winstrom, L.O. ; Cheng, C.H. ; Doll, D.A. ; Echenard, B. ; Hitlin, D.G. ; Ongmongkolkul, P. ; Porter, F.C. ; Rakitin, A.Y. ; Andreassen, R. ; Dubrovin, M.S. ; Mancinelli, G. ; Meadows, B.T. ; Sokoloff, M.D. ; Bloom, P.C. ; Ford, W.T. ; Gaz, A. ; Nagel, M. ; Nauenberg, U. ; Smith, J.G. ; Wagner, S.R. ; Ayad, R. ; Toki, W.H. ; Jasper, H. ; Karbach, T.M. ; Merkel, J. ; Petzold, A. ; Spaan, B. ; Wacker, K. ; Kobel, M.J. ; Schubert, K.R. ; Schwierz, R. ; Bernard, D. ; Verderi, M. ; Clark, P.J.</creator><creatorcontrib>del Amo Sanchez, P. ; Lees, J.P. ; Poireau, V. ; Prencipe, E. ; Tisserand, V. ; Garra Tico, J. ; Grauges, E. ; Martinelli, M. ; Palano, A. ; Pappagallo, M. ; Eigen, G. ; Stugu, B. ; Sun, L. ; Battaglia, M. ; Brown, D.N. ; Hooberman, B. ; Kerth, L.T. ; Kolomensky, Yu. G. ; Lynch, G. ; Osipenkov, I.L. ; Tanabe, T. ; Hawkes, C.M. ; Watson, A.T. ; Koch, H. ; Schroeder, T. ; Asgeirsson, D.J. ; Hearty, C. ; Mattison, T.S. ; Mckenna, J.A. ; Khan, A. ; Randle-Conde, A. ; Blinov, V.E. ; Buzykaev, A.R. ; Druzhinin, V.P. ; Golubev, V.B. ; Onuchin, A.P. ; Serednyako, S.I. ; Skovpen, Yu. I. ; Solodo, E.P. ; Todyshe, K. Yu ; Yushko, A.N. ; Bondioli, M. ; Curry, S. ; Kirkby, D. ; Lankford, A.J. ; Mandelkern, M. ; Martin, E.C. ; Stoker, D.P. ; Atmacan, H. ; Gary, J.W. ; Liu, F. ; Long, O. ; Vitug, G.M. ; Campagnari, C. ; Hong, T.M. ; Kovalskyi, D. ; Richman, J.D. ; West, C. ; Eisner, A.M. ; Heusch, C.A. ; Kroseberg, J. ; Lockman, W.S. ; Martinez, A.J. ; Schalk, T. ; Schumm, B.A. ; Seiden, A. ; Winstrom, L.O. ; Cheng, C.H. ; Doll, D.A. ; Echenard, B. ; Hitlin, D.G. ; Ongmongkolkul, P. ; Porter, F.C. ; Rakitin, A.Y. ; Andreassen, R. ; Dubrovin, M.S. ; Mancinelli, G. ; Meadows, B.T. ; Sokoloff, M.D. ; Bloom, P.C. ; Ford, W.T. ; Gaz, A. ; Nagel, M. ; Nauenberg, U. ; Smith, J.G. ; Wagner, S.R. ; Ayad, R. ; Toki, W.H. ; Jasper, H. ; Karbach, T.M. ; Merkel, J. ; Petzold, A. ; Spaan, B. ; Wacker, K. ; Kobel, M.J. ; Schubert, K.R. ; Schwierz, R. ; Bernard, D. ; Verderi, M. ; Clark, P.J.</creatorcontrib><description>We report on analyses of tau lepton decays $\tau^- \to \eta K^- \nu_{\tau}$ and $\tau^- \to \eta \pi^- \nu_{\tau}$, with $\eta \to \pi^+ \pi^- \pi^0$, using 470 fb$^{-1}$ of data from the Babar experiment at PEP-II, collected at center-of-mass energies at and near the $\Upsilon(4S)$ resonance. We measure the branching fraction for the $\tau^- \to \eta K^- \nu_{\tau}$ decay mode, $\Br(\tau^- \to \eta K^- \nu_{\tau}) = (1.42\pm0.11\text{(stat)}\pm0.07\text{(syst)})\times10^{-4}$, and report a 95% confidence level upper limit for the second-class current process $\tau^- \to \eta \pi^- \nu_{\tau}$, $\Br(\tau^- \to \eta \pi^- \nu_{\tau}) < 9.9\times10^{-5}$.</description><identifier>ISSN: 2470-0010</identifier><identifier>EISSN: 2470-0029</identifier><identifier>DOI: 10.1103/PhysRevD.83.032002</identifier><language>eng</language><publisher>American Physical Society</publisher><subject>High Energy Physics - Experiment ; Physics</subject><ispartof>Physical review. 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D</title><description>We report on analyses of tau lepton decays $\tau^- \to \eta K^- \nu_{\tau}$ and $\tau^- \to \eta \pi^- \nu_{\tau}$, with $\eta \to \pi^+ \pi^- \pi^0$, using 470 fb$^{-1}$ of data from the Babar experiment at PEP-II, collected at center-of-mass energies at and near the $\Upsilon(4S)$ resonance. We measure the branching fraction for the $\tau^- \to \eta K^- \nu_{\tau}$ decay mode, $\Br(\tau^- \to \eta K^- \nu_{\tau}) = (1.42\pm0.11\text{(stat)}\pm0.07\text{(syst)})\times10^{-4}$, and report a 95% confidence level upper limit for the second-class current process $\tau^- \to \eta \pi^- \nu_{\tau}$, $\Br(\tau^- \to \eta \pi^- \nu_{\tau}) < 9.9\times10^{-5}$.</description><subject>High Energy Physics - Experiment</subject><subject>Physics</subject><issn>2470-0010</issn><issn>2470-0029</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNqVisFqAjEURYNUUKo_0NXbl6QviXZ0U6htRdCFqPvwmMkwkWlmSDKCf1-xpeDS1T333MvYk0QhJeqXbXWOO3v6FDMtUCtE1WNDNcmQX3D-8M8SB2wc4xEv-IrzTMohK_apK5yN0JSQqOPA38AmEmsufAfkixvbul-dYEELCtedIFoKeQVlE64lb3zB85pihLwLwfo0Yv2S6mjHf_nInpdfh48Vr6g2bXDfFM6mIWdW7xvjvGq1QZxmk6nKTlLf9_4BlftPoQ</recordid><startdate>2011</startdate><enddate>2011</enddate><creator>del Amo Sanchez, P.</creator><creator>Lees, J.P.</creator><creator>Poireau, V.</creator><creator>Prencipe, E.</creator><creator>Tisserand, V.</creator><creator>Garra Tico, J.</creator><creator>Grauges, E.</creator><creator>Martinelli, M.</creator><creator>Palano, A.</creator><creator>Pappagallo, M.</creator><creator>Eigen, G.</creator><creator>Stugu, B.</creator><creator>Sun, L.</creator><creator>Battaglia, M.</creator><creator>Brown, D.N.</creator><creator>Hooberman, B.</creator><creator>Kerth, L.T.</creator><creator>Kolomensky, Yu. 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Yu</creator><creator>Yushko, A.N.</creator><creator>Bondioli, M.</creator><creator>Curry, S.</creator><creator>Kirkby, D.</creator><creator>Lankford, A.J.</creator><creator>Mandelkern, M.</creator><creator>Martin, E.C.</creator><creator>Stoker, D.P.</creator><creator>Atmacan, H.</creator><creator>Gary, J.W.</creator><creator>Liu, F.</creator><creator>Long, O.</creator><creator>Vitug, G.M.</creator><creator>Campagnari, C.</creator><creator>Hong, T.M.</creator><creator>Kovalskyi, D.</creator><creator>Richman, J.D.</creator><creator>West, C.</creator><creator>Eisner, A.M.</creator><creator>Heusch, C.A.</creator><creator>Kroseberg, J.</creator><creator>Lockman, W.S.</creator><creator>Martinez, A.J.</creator><creator>Schalk, T.</creator><creator>Schumm, B.A.</creator><creator>Seiden, A.</creator><creator>Winstrom, L.O.</creator><creator>Cheng, C.H.</creator><creator>Doll, D.A.</creator><creator>Echenard, B.</creator><creator>Hitlin, D.G.</creator><creator>Ongmongkolkul, P.</creator><creator>Porter, F.C.</creator><creator>Rakitin, A.Y.</creator><creator>Andreassen, R.</creator><creator>Dubrovin, M.S.</creator><creator>Mancinelli, G.</creator><creator>Meadows, B.T.</creator><creator>Sokoloff, M.D.</creator><creator>Bloom, P.C.</creator><creator>Ford, W.T.</creator><creator>Gaz, A.</creator><creator>Nagel, M.</creator><creator>Nauenberg, U.</creator><creator>Smith, J.G.</creator><creator>Wagner, S.R.</creator><creator>Ayad, R.</creator><creator>Toki, W.H.</creator><creator>Jasper, H.</creator><creator>Karbach, T.M.</creator><creator>Merkel, J.</creator><creator>Petzold, A.</creator><creator>Spaan, B.</creator><creator>Wacker, K.</creator><creator>Kobel, M.J.</creator><creator>Schubert, K.R.</creator><creator>Schwierz, R.</creator><creator>Bernard, D.</creator><creator>Verderi, M.</creator><creator>Clark, P.J.</creator><general>American Physical Society</general><scope>1XC</scope><orcidid>https://orcid.org/0000-0003-0885-824X</orcidid><orcidid>https://orcid.org/0000-0001-6589-8673</orcidid><orcidid>https://orcid.org/0000-0003-2655-7643</orcidid><orcidid>https://orcid.org/0000-0002-9807-861X</orcidid><orcidid>https://orcid.org/0000-0003-2489-7812</orcidid><orcidid>https://orcid.org/0000-0002-9495-9145</orcidid></search><sort><creationdate>2011</creationdate><title>Studies of tau- -> eta.K-.nu and tau- -> eta.pi-.nu at BaBar and a search for a second-class current</title><author>del Amo Sanchez, P. ; Lees, J.P. ; Poireau, V. ; Prencipe, E. ; Tisserand, V. ; Garra Tico, J. ; Grauges, E. ; Martinelli, M. ; Palano, A. ; Pappagallo, M. ; Eigen, G. ; Stugu, B. ; Sun, L. ; Battaglia, M. ; Brown, D.N. ; Hooberman, B. ; Kerth, L.T. ; Kolomensky, Yu. G. ; Lynch, G. ; Osipenkov, I.L. ; Tanabe, T. ; Hawkes, C.M. ; Watson, A.T. ; Koch, H. ; Schroeder, T. ; Asgeirsson, D.J. ; Hearty, C. ; Mattison, T.S. ; Mckenna, J.A. ; Khan, A. ; Randle-Conde, A. ; Blinov, V.E. ; Buzykaev, A.R. ; Druzhinin, V.P. ; Golubev, V.B. ; Onuchin, A.P. ; Serednyako, S.I. ; Skovpen, Yu. I. ; Solodo, E.P. ; Todyshe, K. Yu ; Yushko, A.N. ; Bondioli, M. ; Curry, S. ; Kirkby, D. ; Lankford, A.J. ; Mandelkern, M. ; Martin, E.C. ; Stoker, D.P. ; Atmacan, H. ; Gary, J.W. ; Liu, F. ; Long, O. ; Vitug, G.M. ; Campagnari, C. ; Hong, T.M. ; Kovalskyi, D. ; Richman, J.D. ; West, C. ; Eisner, A.M. ; Heusch, C.A. ; Kroseberg, J. ; Lockman, W.S. ; Martinez, A.J. ; Schalk, T. ; Schumm, B.A. ; Seiden, A. ; Winstrom, L.O. ; Cheng, C.H. ; Doll, D.A. ; Echenard, B. ; Hitlin, D.G. ; Ongmongkolkul, P. ; Porter, F.C. ; Rakitin, A.Y. ; Andreassen, R. ; Dubrovin, M.S. ; Mancinelli, G. ; Meadows, B.T. ; Sokoloff, M.D. ; Bloom, P.C. ; Ford, W.T. ; Gaz, A. ; Nagel, M. ; Nauenberg, U. ; Smith, J.G. ; Wagner, S.R. ; Ayad, R. ; Toki, W.H. ; Jasper, H. ; Karbach, T.M. ; Merkel, J. ; Petzold, A. ; Spaan, B. ; Wacker, K. ; Kobel, M.J. ; Schubert, K.R. ; Schwierz, R. ; Bernard, D. ; Verderi, M. ; Clark, P.J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-hal_primary_oai_HAL_in2p3_00574527v13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>High Energy Physics - Experiment</topic><topic>Physics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>del Amo Sanchez, P.</creatorcontrib><creatorcontrib>Lees, J.P.</creatorcontrib><creatorcontrib>Poireau, V.</creatorcontrib><creatorcontrib>Prencipe, E.</creatorcontrib><creatorcontrib>Tisserand, V.</creatorcontrib><creatorcontrib>Garra Tico, J.</creatorcontrib><creatorcontrib>Grauges, E.</creatorcontrib><creatorcontrib>Martinelli, M.</creatorcontrib><creatorcontrib>Palano, A.</creatorcontrib><creatorcontrib>Pappagallo, M.</creatorcontrib><creatorcontrib>Eigen, G.</creatorcontrib><creatorcontrib>Stugu, B.</creatorcontrib><creatorcontrib>Sun, L.</creatorcontrib><creatorcontrib>Battaglia, M.</creatorcontrib><creatorcontrib>Brown, D.N.</creatorcontrib><creatorcontrib>Hooberman, B.</creatorcontrib><creatorcontrib>Kerth, L.T.</creatorcontrib><creatorcontrib>Kolomensky, Yu. G.</creatorcontrib><creatorcontrib>Lynch, G.</creatorcontrib><creatorcontrib>Osipenkov, I.L.</creatorcontrib><creatorcontrib>Tanabe, T.</creatorcontrib><creatorcontrib>Hawkes, C.M.</creatorcontrib><creatorcontrib>Watson, A.T.</creatorcontrib><creatorcontrib>Koch, H.</creatorcontrib><creatorcontrib>Schroeder, T.</creatorcontrib><creatorcontrib>Asgeirsson, D.J.</creatorcontrib><creatorcontrib>Hearty, C.</creatorcontrib><creatorcontrib>Mattison, T.S.</creatorcontrib><creatorcontrib>Mckenna, J.A.</creatorcontrib><creatorcontrib>Khan, A.</creatorcontrib><creatorcontrib>Randle-Conde, A.</creatorcontrib><creatorcontrib>Blinov, V.E.</creatorcontrib><creatorcontrib>Buzykaev, A.R.</creatorcontrib><creatorcontrib>Druzhinin, V.P.</creatorcontrib><creatorcontrib>Golubev, V.B.</creatorcontrib><creatorcontrib>Onuchin, A.P.</creatorcontrib><creatorcontrib>Serednyako, S.I.</creatorcontrib><creatorcontrib>Skovpen, Yu. I.</creatorcontrib><creatorcontrib>Solodo, E.P.</creatorcontrib><creatorcontrib>Todyshe, K. Yu</creatorcontrib><creatorcontrib>Yushko, A.N.</creatorcontrib><creatorcontrib>Bondioli, M.</creatorcontrib><creatorcontrib>Curry, S.</creatorcontrib><creatorcontrib>Kirkby, D.</creatorcontrib><creatorcontrib>Lankford, A.J.</creatorcontrib><creatorcontrib>Mandelkern, M.</creatorcontrib><creatorcontrib>Martin, E.C.</creatorcontrib><creatorcontrib>Stoker, D.P.</creatorcontrib><creatorcontrib>Atmacan, H.</creatorcontrib><creatorcontrib>Gary, J.W.</creatorcontrib><creatorcontrib>Liu, F.</creatorcontrib><creatorcontrib>Long, O.</creatorcontrib><creatorcontrib>Vitug, G.M.</creatorcontrib><creatorcontrib>Campagnari, C.</creatorcontrib><creatorcontrib>Hong, T.M.</creatorcontrib><creatorcontrib>Kovalskyi, D.</creatorcontrib><creatorcontrib>Richman, J.D.</creatorcontrib><creatorcontrib>West, C.</creatorcontrib><creatorcontrib>Eisner, A.M.</creatorcontrib><creatorcontrib>Heusch, C.A.</creatorcontrib><creatorcontrib>Kroseberg, J.</creatorcontrib><creatorcontrib>Lockman, W.S.</creatorcontrib><creatorcontrib>Martinez, A.J.</creatorcontrib><creatorcontrib>Schalk, T.</creatorcontrib><creatorcontrib>Schumm, B.A.</creatorcontrib><creatorcontrib>Seiden, A.</creatorcontrib><creatorcontrib>Winstrom, L.O.</creatorcontrib><creatorcontrib>Cheng, C.H.</creatorcontrib><creatorcontrib>Doll, D.A.</creatorcontrib><creatorcontrib>Echenard, B.</creatorcontrib><creatorcontrib>Hitlin, D.G.</creatorcontrib><creatorcontrib>Ongmongkolkul, P.</creatorcontrib><creatorcontrib>Porter, F.C.</creatorcontrib><creatorcontrib>Rakitin, A.Y.</creatorcontrib><creatorcontrib>Andreassen, R.</creatorcontrib><creatorcontrib>Dubrovin, M.S.</creatorcontrib><creatorcontrib>Mancinelli, G.</creatorcontrib><creatorcontrib>Meadows, B.T.</creatorcontrib><creatorcontrib>Sokoloff, M.D.</creatorcontrib><creatorcontrib>Bloom, P.C.</creatorcontrib><creatorcontrib>Ford, W.T.</creatorcontrib><creatorcontrib>Gaz, A.</creatorcontrib><creatorcontrib>Nagel, M.</creatorcontrib><creatorcontrib>Nauenberg, U.</creatorcontrib><creatorcontrib>Smith, J.G.</creatorcontrib><creatorcontrib>Wagner, S.R.</creatorcontrib><creatorcontrib>Ayad, R.</creatorcontrib><creatorcontrib>Toki, W.H.</creatorcontrib><creatorcontrib>Jasper, H.</creatorcontrib><creatorcontrib>Karbach, T.M.</creatorcontrib><creatorcontrib>Merkel, J.</creatorcontrib><creatorcontrib>Petzold, A.</creatorcontrib><creatorcontrib>Spaan, B.</creatorcontrib><creatorcontrib>Wacker, K.</creatorcontrib><creatorcontrib>Kobel, M.J.</creatorcontrib><creatorcontrib>Schubert, K.R.</creatorcontrib><creatorcontrib>Schwierz, R.</creatorcontrib><creatorcontrib>Bernard, D.</creatorcontrib><creatorcontrib>Verderi, M.</creatorcontrib><creatorcontrib>Clark, P.J.</creatorcontrib><collection>Hyper Article en Ligne (HAL)</collection><jtitle>Physical review. D</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>del Amo Sanchez, P.</au><au>Lees, J.P.</au><au>Poireau, V.</au><au>Prencipe, E.</au><au>Tisserand, V.</au><au>Garra Tico, J.</au><au>Grauges, E.</au><au>Martinelli, M.</au><au>Palano, A.</au><au>Pappagallo, M.</au><au>Eigen, G.</au><au>Stugu, B.</au><au>Sun, L.</au><au>Battaglia, M.</au><au>Brown, D.N.</au><au>Hooberman, B.</au><au>Kerth, L.T.</au><au>Kolomensky, Yu. G.</au><au>Lynch, G.</au><au>Osipenkov, I.L.</au><au>Tanabe, T.</au><au>Hawkes, C.M.</au><au>Watson, A.T.</au><au>Koch, H.</au><au>Schroeder, T.</au><au>Asgeirsson, D.J.</au><au>Hearty, C.</au><au>Mattison, T.S.</au><au>Mckenna, J.A.</au><au>Khan, A.</au><au>Randle-Conde, A.</au><au>Blinov, V.E.</au><au>Buzykaev, A.R.</au><au>Druzhinin, V.P.</au><au>Golubev, V.B.</au><au>Onuchin, A.P.</au><au>Serednyako, S.I.</au><au>Skovpen, Yu. I.</au><au>Solodo, E.P.</au><au>Todyshe, K. Yu</au><au>Yushko, A.N.</au><au>Bondioli, M.</au><au>Curry, S.</au><au>Kirkby, D.</au><au>Lankford, A.J.</au><au>Mandelkern, M.</au><au>Martin, E.C.</au><au>Stoker, D.P.</au><au>Atmacan, H.</au><au>Gary, J.W.</au><au>Liu, F.</au><au>Long, O.</au><au>Vitug, G.M.</au><au>Campagnari, C.</au><au>Hong, T.M.</au><au>Kovalskyi, D.</au><au>Richman, J.D.</au><au>West, C.</au><au>Eisner, A.M.</au><au>Heusch, C.A.</au><au>Kroseberg, J.</au><au>Lockman, W.S.</au><au>Martinez, A.J.</au><au>Schalk, T.</au><au>Schumm, B.A.</au><au>Seiden, A.</au><au>Winstrom, L.O.</au><au>Cheng, C.H.</au><au>Doll, D.A.</au><au>Echenard, B.</au><au>Hitlin, D.G.</au><au>Ongmongkolkul, P.</au><au>Porter, F.C.</au><au>Rakitin, A.Y.</au><au>Andreassen, R.</au><au>Dubrovin, M.S.</au><au>Mancinelli, G.</au><au>Meadows, B.T.</au><au>Sokoloff, M.D.</au><au>Bloom, P.C.</au><au>Ford, W.T.</au><au>Gaz, A.</au><au>Nagel, M.</au><au>Nauenberg, U.</au><au>Smith, J.G.</au><au>Wagner, S.R.</au><au>Ayad, R.</au><au>Toki, W.H.</au><au>Jasper, H.</au><au>Karbach, T.M.</au><au>Merkel, J.</au><au>Petzold, A.</au><au>Spaan, B.</au><au>Wacker, K.</au><au>Kobel, M.J.</au><au>Schubert, K.R.</au><au>Schwierz, R.</au><au>Bernard, D.</au><au>Verderi, M.</au><au>Clark, P.J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Studies of tau- -> eta.K-.nu and tau- -> eta.pi-.nu at BaBar and a search for a second-class current</atitle><jtitle>Physical review. D</jtitle><date>2011</date><risdate>2011</risdate><volume>83</volume><issn>2470-0010</issn><eissn>2470-0029</eissn><abstract>We report on analyses of tau lepton decays $\tau^- \to \eta K^- \nu_{\tau}$ and $\tau^- \to \eta \pi^- \nu_{\tau}$, with $\eta \to \pi^+ \pi^- \pi^0$, using 470 fb$^{-1}$ of data from the Babar experiment at PEP-II, collected at center-of-mass energies at and near the $\Upsilon(4S)$ resonance. We measure the branching fraction for the $\tau^- \to \eta K^- \nu_{\tau}$ decay mode, $\Br(\tau^- \to \eta K^- \nu_{\tau}) = (1.42\pm0.11\text{(stat)}\pm0.07\text{(syst)})\times10^{-4}$, and report a 95% confidence level upper limit for the second-class current process $\tau^- \to \eta \pi^- \nu_{\tau}$, $\Br(\tau^- \to \eta \pi^- \nu_{\tau}) < 9.9\times10^{-5}$.</abstract><pub>American Physical Society</pub><doi>10.1103/PhysRevD.83.032002</doi><orcidid>https://orcid.org/0000-0003-0885-824X</orcidid><orcidid>https://orcid.org/0000-0001-6589-8673</orcidid><orcidid>https://orcid.org/0000-0003-2655-7643</orcidid><orcidid>https://orcid.org/0000-0002-9807-861X</orcidid><orcidid>https://orcid.org/0000-0003-2489-7812</orcidid><orcidid>https://orcid.org/0000-0002-9495-9145</orcidid></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 2470-0010 |
| ispartof | Physical review. D, 2011, Vol.83 |
| issn | 2470-0010 2470-0029 |
| language | eng |
| recordid | cdi_hal_primary_oai_HAL_in2p3_00574527v1 |
| source | American Physical Society Journals |
| subjects | High Energy Physics - Experiment Physics |
| title | Studies of tau- -> eta.K-.nu and tau- -> eta.pi-.nu at BaBar and a search for a second-class current |
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