Search for single top production in e+e- collisions at √s up to 209 GeV

A. Heister; S. Schael; R. Barate; R. Brunelière; I. De Bonis; D. Decamp; C. Goy; S. Jezequel; J. P. Lees; F. Martin; E. Merle; M. N. Minard; B. Pietrzyk; B. Trocmé; G. Boix; S. Bravo; M. P. Casado; M. Chmeissani; J. M. Crespo; E. Fernandez; M. Fernandez-Bosman; L. Garrido; E. Graugés; J. Lopez; M. Martinez; G. Merino; A. Pacheco; D. Paneque; H. Ruiz; A. Colaleo; D. Creanza; N. De Filippis; M. De Palma; G. Iaselli; G. Maggi; M. Maggi; 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. Abbaneo; P. Azzurri; T. Barklow; O. Buchmüller; M. Cattaneo; F. Cerutti; B. Clerbaux; H. Drevermann; R. W. Forty; M. Frank; F. Gianotti; T. C. Greening; J. B. Hansen; J. Harvey; D. E. Hutchcroft; P. Janot; B. Jost; M. Kado; P. Mato; A. Moutoussi; F. Ranjard; L. Rolandi; D. Schlatter; G. Sguazzoni; W. Tejessy; F. Teubert; A. Valassi; I. Videau; J. J. Ward; F. Badaud; S. Dessagne; A. Falvard; D. Fayolle; P. Gay; J. Jousset; B. Michel; S. Monteil; D. Pallin; J. M. Pascolo; P. Perret; J. D. Hansen

doi:10.1016/S0370-2693(02)02307-9

Search for single top production in e⁺e^- collisions at √s up to 209 GeV

A. Heister, S. Schael, R. Barate, R. Brunelière, I. De Bonis, D. Decamp, C. Goy, S. Jezequel, J. P. Lees, F. Martin, E. Merle, M. N. Minard, B. Pietrzyk, B. Trocmé, G. Boix, S. Bravo, M. P. Casado, M. Chmeissani, J. M. Crespo, E. FernandezM. Fernandez-Bosman, L. Garrido, E. Graugés, J. Lopez, M. Martinez, G. Merino, A. Pacheco, D. Paneque, H. Ruiz, A. Colaleo, D. Creanza, N. De Filippis, M. De Palma, G. Iaselli, G. Maggi, M. Maggi, 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. Abbaneo, P. Azzurri, T. Barklow, O. Buchmüller, M. Cattaneo, F. Cerutti, B. Clerbaux, H. Drevermann, R. W. Forty, M. Frank, F. Gianotti, T. C. Greening, J. B. Hansen, J. Harvey, D. E. Hutchcroft, P. Janot, B. Jost, M. Kado, P. Mato, A. Moutoussi, F. Ranjard, L. Rolandi, D. Schlatter, G. Sguazzoni, W. Tejessy, F. Teubert, A. Valassi, I. Videau, J. J. Ward, F. Badaud, S. Dessagne, A. Falvard, D. Fayolle, P. Gay, J. Jousset, B. Michel, S. Monteil, D. Pallin, J. M. Pascolo, P. Perret, J. D. Hansen

Department of Physics

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Abstract

Single top production via the flavour changing neutral current reactions e+e- → t̄c, t̄u is searched for within the 214 pb-1 of data collected by ALEPH at centre-of-mass energies between 204 and 209 GeV. No deviation from the Standard Model expectation is observed and upper limits on the single top production cross sections are derived. The combination with data collected at lower centre-of-mass energies yields an upper limit on the branching ratio BR(t → Zc) + BR(t → Zu) < 14%, for BR(t → γc) + BR(t → γu) = 0 and mt = 174 GeV/c2. © 2002 Elsevier Science B.V. All rights reserved.

Original language	English
Pages (from-to)	173-182
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	543
Issue number	3-4
DOIs	https://doi.org/10.1016/S0370-2693(02)02307-9
Publication status	Published - 12 Sept 2002

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10.1016/S0370-2693(02)02307-9

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Heister, A., Schael, S., Barate, R., Brunelière, R., De Bonis, I., Decamp, D., Goy, C., Jezequel, S., Lees, J. P., Martin, F., Merle, E., Minard, M. N., Pietrzyk, B., Trocmé, B., Boix, G., Bravo, S., Casado, M. P., Chmeissani, M., Crespo, J. M., ... Hansen, J. D. (2002). Search for single top production in e⁺e^- collisions at √s up to 209 GeV. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 543(3-4), 173-182. https://doi.org/10.1016/S0370-2693(02)02307-9

@article{d69ee837141b4711a6aab28d8c256ec2,

title = "Search for single top production in e+e- collisions at √s up to 209 GeV",

abstract = "Single top production via the flavour changing neutral current reactions e+e- → {\=t}c, {\=t}u is searched for within the 214 pb-1 of data collected by ALEPH at centre-of-mass energies between 204 and 209 GeV. No deviation from the Standard Model expectation is observed and upper limits on the single top production cross sections are derived. The combination with data collected at lower centre-of-mass energies yields an upper limit on the branching ratio BR(t → Zc) + BR(t → Zu) < 14%, for BR(t → γc) + BR(t → γu) = 0 and mt = 174 GeV/c2. {\textcopyright} 2002 Elsevier Science B.V. All rights reserved.",

author = "A. Heister and S. Schael and R. Barate and R. Bruneli{\`e}re and {De Bonis}, I. and D. Decamp and C. Goy and S. Jezequel and Lees, {J. P.} and F. Martin and E. Merle and Minard, {M. N.} and B. Pietrzyk and B. Trocm{\'e} and G. Boix and S. Bravo and Casado, {M. P.} and M. Chmeissani and Crespo, {J. M.} and E. Fernandez and M. Fernandez-Bosman and L. Garrido and E. Graug{\'e}s and J. Lopez and M. Martinez and G. Merino and A. Pacheco and D. Paneque and H. Ruiz and A. Colaleo and D. Creanza and {De Filippis}, N. and {De Palma}, M. and G. Iaselli and G. Maggi and M. Maggi 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. Abbaneo and P. Azzurri and T. Barklow and O. Buchm{\"u}ller and M. Cattaneo and F. Cerutti and B. Clerbaux and H. Drevermann and Forty, {R. W.} and M. Frank and F. Gianotti and Greening, {T. C.} and Hansen, {J. B.} and J. Harvey and Hutchcroft, {D. E.} and P. Janot and B. Jost and M. Kado and P. Mato and A. Moutoussi and F. Ranjard and L. Rolandi and D. Schlatter and G. Sguazzoni and W. Tejessy and F. Teubert and A. Valassi and I. Videau and Ward, {J. J.} and F. Badaud and S. Dessagne and A. Falvard and D. Fayolle and P. Gay and J. Jousset and B. Michel and S. Monteil and D. Pallin and Pascolo, {J. M.} and P. Perret and Hansen, {J. D.}",

year = "2002",

month = sep,

day = "12",

doi = "10.1016/S0370-2693(02)02307-9",

language = "English",

volume = "543",

pages = "173--182",

journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",

issn = "0370-2693",

publisher = "Elsevier",

number = "3-4",

}

Heister, A, Schael, S, Barate, R, Brunelière, R, De Bonis, I, Decamp, D, Goy, C, Jezequel, S, Lees, JP, Martin, F, Merle, E, Minard, MN, Pietrzyk, B, Trocmé, B, Boix, G, Bravo, S, Casado, MP, Chmeissani, M, Crespo, JM, Fernandez, E, Fernandez-Bosman, M, Garrido, L, Graugés, E, Lopez, J, Martinez, M, Merino, G, Pacheco, A, Paneque, D, Ruiz, H, Colaleo, A, Creanza, D, De Filippis, N, De Palma, M, Iaselli, G, Maggi, G, 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, Xu, R, Xue, S, Zhang, J, Zhang, L, Zhao, W, Abbaneo, D, Azzurri, P, Barklow, T, Buchmüller, O, Cattaneo, M, Cerutti, F, Clerbaux, B, Drevermann, H, Forty, RW, Frank, M, Gianotti, F, Greening, TC, Hansen, JB, Harvey, J, Hutchcroft, DE, Janot, P, Jost, B, Kado, M, Mato, P, Moutoussi, A, Ranjard, F, Rolandi, L, Schlatter, D, Sguazzoni, G, Tejessy, W, Teubert, F, Valassi, A, Videau, I, Ward, JJ, Badaud, F, Dessagne, S, Falvard, A, Fayolle, D, Gay, P, Jousset, J, Michel, B, Monteil, S, Pallin, D, Pascolo, JM, Perret, P & Hansen, JD 2002, 'Search for single top production in e⁺e^- collisions at √s up to 209 GeV', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 543, no. 3-4, pp. 173-182. https://doi.org/10.1016/S0370-2693(02)02307-9

TY - JOUR

T1 - Search for single top production in e+e- collisions at √s up to 209 GeV

AU - Heister, A.

AU - Schael, S.

AU - Barate, R.

AU - Brunelière, R.

AU - De Bonis, I.

AU - Decamp, D.

AU - Goy, C.

AU - Jezequel, S.

AU - Lees, J. P.

AU - Martin, F.

AU - Merle, E.

AU - Minard, M. N.

AU - Pietrzyk, B.

AU - Trocmé, B.

AU - Boix, G.

AU - Bravo, S.

AU - Casado, M. P.

AU - Chmeissani, M.

AU - Crespo, J. M.

AU - Fernandez, E.

AU - Fernandez-Bosman, M.

AU - Garrido, L.

AU - Graugés, E.

AU - Lopez, J.

AU - Martinez, M.

AU - Merino, G.

AU - Pacheco, A.

AU - Paneque, D.

AU - Ruiz, H.

AU - Colaleo, A.

AU - Creanza, D.

AU - De Filippis, N.

AU - De Palma, M.

AU - Iaselli, G.

AU - Maggi, G.

AU - Maggi, M.

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 - Abbaneo, D.

AU - Azzurri, P.

AU - Barklow, T.

AU - Buchmüller, O.

AU - Cattaneo, M.

AU - Cerutti, F.

AU - Clerbaux, B.

AU - Drevermann, H.

AU - Forty, R. W.

AU - Frank, M.

AU - Gianotti, F.

AU - Greening, T. C.

AU - Hansen, J. B.

AU - Harvey, J.

AU - Hutchcroft, D. E.

AU - Janot, P.

AU - Jost, B.

AU - Kado, M.

AU - Mato, P.

AU - Moutoussi, A.

AU - Ranjard, F.

AU - Rolandi, L.

AU - Schlatter, D.

AU - Sguazzoni, G.

AU - Tejessy, W.

AU - Teubert, F.

AU - Valassi, A.

AU - Videau, I.

AU - Ward, J. J.

AU - Badaud, F.

AU - Dessagne, S.

AU - Falvard, A.

AU - Fayolle, D.

AU - Gay, P.

AU - Jousset, J.

AU - Michel, B.

AU - Monteil, S.

AU - Pallin, D.

AU - Pascolo, J. M.

AU - Perret, P.

AU - Hansen, J. D.

PY - 2002/9/12

Y1 - 2002/9/12

N2 - Single top production via the flavour changing neutral current reactions e+e- → t̄c, t̄u is searched for within the 214 pb-1 of data collected by ALEPH at centre-of-mass energies between 204 and 209 GeV. No deviation from the Standard Model expectation is observed and upper limits on the single top production cross sections are derived. The combination with data collected at lower centre-of-mass energies yields an upper limit on the branching ratio BR(t → Zc) + BR(t → Zu) < 14%, for BR(t → γc) + BR(t → γu) = 0 and mt = 174 GeV/c2. © 2002 Elsevier Science B.V. All rights reserved.

AB - Single top production via the flavour changing neutral current reactions e+e- → t̄c, t̄u is searched for within the 214 pb-1 of data collected by ALEPH at centre-of-mass energies between 204 and 209 GeV. No deviation from the Standard Model expectation is observed and upper limits on the single top production cross sections are derived. The combination with data collected at lower centre-of-mass energies yields an upper limit on the branching ratio BR(t → Zc) + BR(t → Zu) < 14%, for BR(t → γc) + BR(t → γu) = 0 and mt = 174 GeV/c2. © 2002 Elsevier Science B.V. All rights reserved.

U2 - 10.1016/S0370-2693(02)02307-9

DO - 10.1016/S0370-2693(02)02307-9

M3 - Article

SN - 0370-2693

VL - 543

SP - 173

EP - 182

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

IS - 3-4

ER -

Search for single top production in e+e- collisions at √s up to 209 GeV

Abstract

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Search for single top production in e⁺e^- collisions at √s up to 209 GeV