Three-prong τ decays with charged kaons

R. Barate; D. Buskulic; D. Decamp; P. Ghez; C. Goy; J. P. Lees; A. Lucotte; M. N. Minard; J. Y. Nief; B. Pietrzyk; M. P. Casado; M. Chmeissani; P. Comas; J. M. Crespo; M. Delfino; E. Fernandez; M. Fernandez-Bosman; Ll Garrido; A. Juste; M. Martinez; G. Merino; R. Miquel; Ll M. Mir; C. Padilla; I. C. Park; A. Pascua; J. A. Perlas; I. Riu; F. Sanchez; F. Teubert; A. Colaleo; D. Creanza; M. de Palma; G. Gelao; G. Iaselli; G. Maggi; M. Maggi; N. Marinelli; S. Nuzzo; A. Ranieri; G. Raso; F. Ruggieri; G. Selvaggi; L. Silvestris; P. Tempesta; A. Tricomi; G. Zito; X. Huang; J. Lin; Q. Ouyang; T. Wang; Y. Xie; R. Xu; S. Xue; J. Zhang; L. Zhang; W. Zhao; D. Abbanco; R. Alemany; U. Becker; A. O. Bazarko; P. Bright-Thomas; M. Cattaneo; F. Cerutti; G. Dissertori; H. Drevermann; R. W. Forty; M. Frank; R. Hagelberg; J. B. Hansen; J. Harvey; P. Janot; B. Jost; E. Kneringer; J. Knobloch; I. Lehraus; G. Lutters; P. Mato; A. Minten; L. Moneta; A. Pacheco; J. F. Pusztaszeri; F. Ranjard; G. Rizzo; L. Rolandi; D. Rousseau; D. Schlatter; M. Schmitt; O. Schneider; W. Tejessy; I. R. Tomalin; H. Wachsmuth; A. Wagner; Z. Ajaltouni; A. Barrès; C. Boyer; A. Falvard; C. Ferdi; P. Gay; C. Guicheney

doi:10.1007/s100520050062

Three-prong τ decays with charged kaons

R. Barate, D. Buskulic, D. Decamp, P. Ghez, C. Goy, J. P. Lees, A. Lucotte, M. N. Minard, J. Y. Nief, B. Pietrzyk, M. P. Casado, M. Chmeissani, P. Comas, J. M. Crespo, M. Delfino, E. Fernandez, M. Fernandez-Bosman, Ll Garrido, A. Juste, M. MartinezG. Merino, R. Miquel, Ll M. Mir, C. Padilla, I. C. Park, A. Pascua, J. A. Perlas, I. Riu, F. Sanchez, F. Teubert, A. Colaleo, D. Creanza, M. de Palma, G. Gelao, G. Iaselli, G. Maggi, M. Maggi, N. Marinelli, S. Nuzzo, A. Ranieri, G. Raso, F. Ruggieri, G. Selvaggi, L. Silvestris, P. Tempesta, A. Tricomi, G. Zito, X. Huang, J. Lin, Q. Ouyang, T. Wang, Y. Xie, R. Xu, S. Xue, J. Zhang, L. Zhang, W. Zhao, D. Abbanco, R. Alemany, U. Becker, A. O. Bazarko, P. Bright-Thomas, M. Cattaneo, F. Cerutti, G. Dissertori, H. Drevermann, R. W. Forty, M. Frank, R. Hagelberg, J. B. Hansen, J. Harvey, P. Janot, B. Jost, E. Kneringer, J. Knobloch, I. Lehraus, G. Lutters, P. Mato, A. Minten, L. Moneta, A. Pacheco, J. F. Pusztaszeri, F. Ranjard, G. Rizzo, L. Rolandi, D. Rousseau, D. Schlatter, M. Schmitt, O. Schneider, W. Tejessy, I. R. Tomalin, H. Wachsmuth, A. Wagner, Z. Ajaltouni, A. Barrès, C. Boyer, A. Falvard, C. Ferdi, P. Gay, C. Guicheney

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Resum

Final states with charged kaons in three-prong τ decays are studied by exploiting the particle identification from the dE/dx measurement. The results are based on a sample of about 1.6 x 105 detected τ pairs collected with the ALEPH detector between 1991 and 1995 around the Z peak. The following branching ratios have been measured: B(τ- → K-K+π-ντ) = (1.63 ± 0.21 ± 0.17) x 10-3, B(τ- → K-π+π-ντ)=(2.14 ± 0.37 ± 0.29) x 10-3, B (τ- → K-K+π-π0ντ) = (0.75 ± 0.29 ± 0.15) x 10-3, and B(τ- → K-π+π-π0ν τ) = (0.61 ± 0.39 ± 0.18) x 10-3. The first two measurements are more precise than the current world averages, while the last two channels are investigated for the first time. The 95% C.L. upper limit on the branching ratio for the decay τ- → K-K+K-ντ is 0.19 x 10-3. A study of intermediate states occurring in the K-K+π-ντ and K-π+π-ντ decays is also presented.

Idioma original	Anglès
Pàgines (de-a)	65-79
Revista	European Physical Journal C
Volum	1
Número	1-2
DOIs	https://doi.org/10.1007/s100520050062
Estat de la publicació	Publicada - 1 de gen. 1998

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10.1007/s100520050062

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https://www.scopus.com/pages/publications/0037982224

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Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J. P., Lucotte, A., Minard, M. N., Nief, J. Y., Pietrzyk, B., Casado, M. P., Chmeissani, M., Comas, P., Crespo, J. M., Delfino, M., Fernandez, E., Fernandez-Bosman, M., Garrido, L., Juste, A., ... Guicheney, C. (1998). Three-prong τ decays with charged kaons. European Physical Journal C, 1(1-2), 65-79. https://doi.org/10.1007/s100520050062

@article{4268925f9e5f42edac0f3b1e1d653dbe,

title = "Three-prong τ decays with charged kaons",

abstract = "Final states with charged kaons in three-prong τ decays are studied by exploiting the particle identification from the dE/dx measurement. The results are based on a sample of about 1.6 x 105 detected τ pairs collected with the ALEPH detector between 1991 and 1995 around the Z peak. The following branching ratios have been measured: B(τ- → K-K+π-ντ) = (1.63 ± 0.21 ± 0.17) x 10-3, B(τ- → K-π+π-ντ)=(2.14 ± 0.37 ± 0.29) x 10-3, B (τ- → K-K+π-π0ντ) = (0.75 ± 0.29 ± 0.15) x 10-3, and B(τ- → K-π+π-π0ν τ) = (0.61 ± 0.39 ± 0.18) x 10-3. The first two measurements are more precise than the current world averages, while the last two channels are investigated for the first time. The 95\% C.L. upper limit on the branching ratio for the decay τ- → K-K+K-ντ is 0.19 x 10-3. A study of intermediate states occurring in the K-K+π-ντ and K-π+π-ντ decays is also presented.",

author = "R. Barate and D. Buskulic and D. Decamp and P. Ghez and C. Goy and Lees, \{J. P.\} and A. Lucotte and Minard, \{M. N.\} and Nief, \{J. Y.\} and B. Pietrzyk and Casado, \{M. P.\} and M. Chmeissani and P. Comas and Crespo, \{J. M.\} and M. Delfino and E. Fernandez and M. Fernandez-Bosman and Ll Garrido and A. Juste and M. Martinez and G. Merino and R. Miquel and Mir, \{Ll M.\} and C. Padilla and Park, \{I. C.\} and A. Pascua and Perlas, \{J. A.\} and I. Riu and F. Sanchez and F. Teubert and A. Colaleo and D. Creanza and \{de Palma\}, M. and G. Gelao and G. Iaselli and G. Maggi and M. Maggi and N. Marinelli and S. Nuzzo and A. Ranieri and G. Raso and F. Ruggieri and G. Selvaggi and L. Silvestris and P. Tempesta and A. Tricomi and G. Zito and X. Huang and J. Lin and Q. Ouyang and T. Wang and Y. Xie and R. Xu and S. Xue and J. Zhang and L. Zhang and W. Zhao and D. Abbanco and R. Alemany and U. Becker and Bazarko, \{A. O.\} and P. Bright-Thomas and M. Cattaneo and F. Cerutti and G. Dissertori and H. Drevermann and Forty, \{R. W.\} and M. Frank and R. Hagelberg and Hansen, \{J. B.\} and J. Harvey and P. Janot and B. Jost and E. Kneringer and J. Knobloch and I. Lehraus and G. Lutters and P. Mato and A. Minten and L. Moneta and A. Pacheco and Pusztaszeri, \{J. F.\} and F. Ranjard and G. Rizzo and L. Rolandi and D. Rousseau and D. Schlatter and M. Schmitt and O. Schneider and W. Tejessy and Tomalin, \{I. R.\} and H. Wachsmuth and A. Wagner and Z. Ajaltouni and A. Barr{\`e}s and C. Boyer and A. Falvard and C. Ferdi and P. Gay and C. Guicheney",

year = "1998",

month = jan,

day = "1",

doi = "10.1007/s100520050062",

language = "English",

volume = "1",

pages = "65--79",

number = "1-2",

}

Barate, R, Buskulic, D, Decamp, D, Ghez, P, Goy, C, Lees, JP, Lucotte, A, Minard, MN, Nief, JY, Pietrzyk, B, Casado, MP, Chmeissani, M, Comas, P, Crespo, JM , Delfino, M, Fernandez, E, Fernandez-Bosman, M, Garrido, L, Juste, A, Martinez, M, Merino, G, Miquel, R, Mir, LM, Padilla, C, Park, IC, Pascua, A, Perlas, JA, Riu, I, Sanchez, F, Teubert, F, Colaleo, A, Creanza, D, de Palma, M, Gelao, G, Iaselli, G, Maggi, G, Maggi, M, Marinelli, N, 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, Xu, R, Xue, S, Zhang, J, Zhang, L, Zhao, W, Abbanco, D, Alemany, R, Becker, U, Bazarko, AO, Bright-Thomas, P, Cattaneo, M, Cerutti, F, Dissertori, G, Drevermann, H, Forty, RW, Frank, M, Hagelberg, R, Hansen, JB, Harvey, J, Janot, P, Jost, B, Kneringer, E, Knobloch, J, Lehraus, I, Lutters, G, Mato, P, Minten, A, Moneta, L, Pacheco, A, Pusztaszeri, JF, Ranjard, F, Rizzo, G, Rolandi, L, Rousseau, D, Schlatter, D, Schmitt, M, Schneider, O, Tejessy, W, Tomalin, IR, Wachsmuth, H, Wagner, A, Ajaltouni, Z, Barrès, A, Boyer, C, Falvard, A, Ferdi, C, Gay, P & Guicheney, C 1998, 'Three-prong τ decays with charged kaons', European Physical Journal C, vol. 1, núm. 1-2, pàg. 65-79. https://doi.org/10.1007/s100520050062

TY - JOUR

T1 - Three-prong τ decays with charged kaons

AU - Barate, R.

AU - Buskulic, D.

AU - Decamp, D.

AU - Ghez, P.

AU - Goy, C.

AU - Lees, J. P.

AU - Lucotte, A.

AU - Minard, M. N.

AU - Nief, J. Y.

AU - Pietrzyk, B.

AU - Casado, M. P.

AU - Chmeissani, M.

AU - Comas, P.

AU - Crespo, J. M.

AU - Delfino, M.

AU - Fernandez, E.

AU - Fernandez-Bosman, M.

AU - Garrido, Ll

AU - Juste, A.

AU - Martinez, M.

AU - Merino, G.

AU - Miquel, R.

AU - Mir, Ll M.

AU - Padilla, C.

AU - Park, I. C.

AU - Pascua, A.

AU - Perlas, J. A.

AU - Riu, I.

AU - Sanchez, F.

AU - Teubert, F.

AU - Colaleo, A.

AU - Creanza, D.

AU - de Palma, M.

AU - Gelao, G.

AU - Iaselli, G.

AU - Maggi, G.

AU - Maggi, M.

AU - Marinelli, N.

AU - Nuzzo, S.

AU - Ranieri, A.

AU - Raso, G.

AU - Ruggieri, F.

AU - Selvaggi, G.

AU - Silvestris, L.

AU - Tempesta, P.

AU - Tricomi, A.

AU - Zito, G.

AU - Huang, X.

AU - Lin, J.

AU - Ouyang, Q.

AU - Wang, T.

AU - Xie, Y.

AU - Xu, R.

AU - Xue, S.

AU - Zhang, J.

AU - Zhang, L.

AU - Zhao, W.

AU - Abbanco, D.

AU - Alemany, R.

AU - Becker, U.

AU - Bazarko, A. O.

AU - Bright-Thomas, P.

AU - Cattaneo, M.

AU - Cerutti, F.

AU - Dissertori, G.

AU - Drevermann, H.

AU - Forty, R. W.

AU - Frank, M.

AU - Hagelberg, R.

AU - Hansen, J. B.

AU - Harvey, J.

AU - Janot, P.

AU - Jost, B.

AU - Kneringer, E.

AU - Knobloch, J.

AU - Lehraus, I.

AU - Lutters, G.

AU - Mato, P.

AU - Minten, A.

AU - Moneta, L.

AU - Pacheco, A.

AU - Pusztaszeri, J. F.

AU - Ranjard, F.

AU - Rizzo, G.

AU - Rolandi, L.

AU - Rousseau, D.

AU - Schlatter, D.

AU - Schmitt, M.

AU - Schneider, O.

AU - Tejessy, W.

AU - Tomalin, I. R.

AU - Wachsmuth, H.

AU - Wagner, A.

AU - Ajaltouni, Z.

AU - Barrès, A.

AU - Boyer, C.

AU - Falvard, A.

AU - Ferdi, C.

AU - Gay, P.

AU - Guicheney, C.

PY - 1998/1/1

Y1 - 1998/1/1

N2 - Final states with charged kaons in three-prong τ decays are studied by exploiting the particle identification from the dE/dx measurement. The results are based on a sample of about 1.6 x 105 detected τ pairs collected with the ALEPH detector between 1991 and 1995 around the Z peak. The following branching ratios have been measured: B(τ- → K-K+π-ντ) = (1.63 ± 0.21 ± 0.17) x 10-3, B(τ- → K-π+π-ντ)=(2.14 ± 0.37 ± 0.29) x 10-3, B (τ- → K-K+π-π0ντ) = (0.75 ± 0.29 ± 0.15) x 10-3, and B(τ- → K-π+π-π0ν τ) = (0.61 ± 0.39 ± 0.18) x 10-3. The first two measurements are more precise than the current world averages, while the last two channels are investigated for the first time. The 95% C.L. upper limit on the branching ratio for the decay τ- → K-K+K-ντ is 0.19 x 10-3. A study of intermediate states occurring in the K-K+π-ντ and K-π+π-ντ decays is also presented.

AB - Final states with charged kaons in three-prong τ decays are studied by exploiting the particle identification from the dE/dx measurement. The results are based on a sample of about 1.6 x 105 detected τ pairs collected with the ALEPH detector between 1991 and 1995 around the Z peak. The following branching ratios have been measured: B(τ- → K-K+π-ντ) = (1.63 ± 0.21 ± 0.17) x 10-3, B(τ- → K-π+π-ντ)=(2.14 ± 0.37 ± 0.29) x 10-3, B (τ- → K-K+π-π0ντ) = (0.75 ± 0.29 ± 0.15) x 10-3, and B(τ- → K-π+π-π0ν τ) = (0.61 ± 0.39 ± 0.18) x 10-3. The first two measurements are more precise than the current world averages, while the last two channels are investigated for the first time. The 95% C.L. upper limit on the branching ratio for the decay τ- → K-K+K-ντ is 0.19 x 10-3. A study of intermediate states occurring in the K-K+π-ντ and K-π+π-ντ decays is also presented.

UR - https://www.scopus.com/pages/publications/0037982224

U2 - 10.1007/s100520050062

DO - 10.1007/s100520050062

M3 - Article

SN - 1434-6044

VL - 1

SP - 65

EP - 79

JO - European Physical Journal C

JF - European Physical Journal C

IS - 1-2

ER -

Three-prong τ decays with charged kaons

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