Search for heavy lepton pair production in e+e- collisions at centre-of-mass energies of 130 and 136 GeV

D. Buskulic; I. De Bonis; D. Decamp; P. Ghez; C. Goy; J. P. Lees; A. Lucotte; M. N. Minard; J. Y. Nief; P. Odier; B. Pietrzyk; M. P. Casado; M. Chmeissani; J. M. Crespo; M. Delfino; I. Efthymiopoulos; E. Fernandez; M. Fernandez-Bosman; Ll Garrido; A. Juste; M. Martinez; S. Orteu; C. Padilla; I. C. Park; A. Pascual; J. A. Perlas; I. Riu; F. Sanchez; F. Teubert; A. Colaleo; D. Creanza; M. de Palma; G. Gelao; M. Girone; G. Iaselli; G. Maggi; M. Maggi; N. Marinelli; S. Nuzzo; A. Ranieri; G. Raso; F. Ruggieri; G. Selvaggi; L. Silvestris; P. Tempesta; G. Zito; X. Huang; J. Lin; Q. Ouyang; T. Wang; Y. Xie; R. Xu; S. Xue; J. Zhang; L. Zhang; W. Zhao; R. Alemany; A. O. Bazarko; M. Cattaneo; P. Comas; P. Coyle; H. Drevermann; R. W. Forty; M. Frank; R. Hagelberg; J. Harvey; P. Janot; B. Jost; E. Kneringer; J. Knobloch; I. Lehraus; G. Lutters; E. B. Martin; P. Mato; A. Minten; R. Miquel; Ll M. Mir; L. Moneta; T. Oest; A. Pacheco; J. F. Pusztaszeri; F. Ranjard; P. Rensing; L. Rolandi; A. Schlatter; M. Schmelling; M. Schmitt; O. Schneider; W. Tejessy; I. R. Tomalin; A. Venturi; H. Wachsmuth; A. Wagner; Z. Ajaltouni; A. Barrès; C. Boyer; A. Falvard; P. Gay; C. Guicheney; P. Henrard

doi:10.1016/0370-2693(96)00928-8

Search for heavy lepton pair production in e⁺e^- collisions at centre-of-mass energies of 130 and 136 GeV

D. Buskulic, I. De Bonis, D. Decamp, P. Ghez, C. Goy, J. P. Lees, A. Lucotte, M. N. Minard, J. Y. Nief, P. Odier, B. Pietrzyk, M. P. Casado, M. Chmeissani, J. M. Crespo, M. Delfino, I. Efthymiopoulos, E. Fernandez, M. Fernandez-Bosman, Ll Garrido, A. JusteM. Martinez, S. Orteu, C. Padilla, I. C. Park, A. Pascual, J. A. Perlas, I. Riu, F. Sanchez, F. Teubert, A. Colaleo, D. Creanza, M. de Palma, G. Gelao, M. Girone, G. Iaselli, G. Maggi, M. Maggi, N. Marinelli, S. Nuzzo, A. Ranieri, G. Raso, F. Ruggieri, G. Selvaggi, L. Silvestris, P. Tempesta, G. Zito, X. Huang, J. Lin, Q. Ouyang, T. Wang, Y. Xie, R. Xu, S. Xue, J. Zhang, L. Zhang, W. Zhao, R. Alemany, A. O. Bazarko, M. Cattaneo, P. Comas, P. Coyle, H. Drevermann, R. W. Forty, M. Frank, R. Hagelberg, J. Harvey, P. Janot, B. Jost, E. Kneringer, J. Knobloch, I. Lehraus, G. Lutters, E. B. Martin, P. Mato, A. Minten, R. Miquel, Ll M. Mir, L. Moneta, T. Oest, A. Pacheco, J. F. Pusztaszeri, F. Ranjard, P. Rensing, L. Rolandi, A. Schlatter, M. Schmelling, M. Schmitt, O. Schneider, W. Tejessy, I. R. Tomalin, A. Venturi, H. Wachsmuth, A. Wagner, Z. Ajaltouni, A. Barrès, C. Boyer, A. Falvard, P. Gay, C. Guicheney, P. Henrard

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Abstract

A search for pair production of new heavy leptons has been performed assuming different scenarios for the mixing of the new particles with Standard Model leptons. No candidate events were found in a data sample corresponding to an integrated luminosity of 5.6 pb-1 collected by the ALEPH detector at centre-of-mass energies of 130 and 136 GeV. New limits on production cross-sections and on masses of sequential leptons were obtained which significantly extend the mass regions excluded at LEP1. For instance, charged heavy leptons with masses below 63.5 GeV/c2 are excluded at 95% C.L. for mass differences to the associated neutral lepton of more than 7 GeV/c2.

Original language	English
Pages (from-to)	439-448
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	384
Issue number	1-4
DOIs	https://doi.org/10.1016/0370-2693(96)00928-8
Publication status	Published - 19 Sept 1996

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10.1016/0370-2693(96)00928-8

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Buskulic, D., De Bonis, I., Decamp, D., Ghez, P., Goy, C., Lees, J. P., Lucotte, A., Minard, M. N., Nief, J. Y., Odier, P., Pietrzyk, B., Casado, M. P., Chmeissani, M., Crespo, J. M., Delfino, M., Efthymiopoulos, I., Fernandez, E., Fernandez-Bosman, M., Garrido, L., ... Henrard, P. (1996). Search for heavy lepton pair production in e⁺e^- collisions at centre-of-mass energies of 130 and 136 GeV. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 384(1-4), 439-448. https://doi.org/10.1016/0370-2693(96)00928-8

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title = "Search for heavy lepton pair production in e+e- collisions at centre-of-mass energies of 130 and 136 GeV",

abstract = "A search for pair production of new heavy leptons has been performed assuming different scenarios for the mixing of the new particles with Standard Model leptons. No candidate events were found in a data sample corresponding to an integrated luminosity of 5.6 pb-1 collected by the ALEPH detector at centre-of-mass energies of 130 and 136 GeV. New limits on production cross-sections and on masses of sequential leptons were obtained which significantly extend the mass regions excluded at LEP1. For instance, charged heavy leptons with masses below 63.5 GeV/c2 are excluded at 95% C.L. for mass differences to the associated neutral lepton of more than 7 GeV/c2.",

author = "D. Buskulic and {De Bonis}, I. 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 P. Odier and B. Pietrzyk and Casado, {M. P.} and M. Chmeissani and Crespo, {J. M.} and M. Delfino and I. Efthymiopoulos and E. Fernandez and M. Fernandez-Bosman and Ll Garrido and A. Juste and M. Martinez and S. Orteu and C. Padilla and Park, {I. C.} and A. Pascual 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 M. Girone 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 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 R. Alemany and Bazarko, {A. O.} and M. Cattaneo and P. Comas and P. Coyle and H. Drevermann and Forty, {R. W.} and M. Frank and R. Hagelberg and J. Harvey and P. Janot and B. Jost and E. Kneringer and J. Knobloch and I. Lehraus and G. Lutters and Martin, {E. B.} and P. Mato and A. Minten and R. Miquel and Mir, {Ll M.} and L. Moneta and T. Oest and A. Pacheco and Pusztaszeri, {J. F.} and F. Ranjard and P. Rensing and L. Rolandi and A. Schlatter and M. Schmelling and M. Schmitt and O. Schneider and W. Tejessy and Tomalin, {I. R.} and A. Venturi and H. Wachsmuth and A. Wagner and Z. Ajaltouni and A. Barr{\`e}s and C. Boyer and A. Falvard and P. Gay and C. Guicheney and P. Henrard",

year = "1996",

month = sep,

day = "19",

doi = "10.1016/0370-2693(96)00928-8",

language = "English",

volume = "384",

pages = "439--448",

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

issn = "0370-2693",

publisher = "Elsevier",

number = "1-4",

}

Buskulic, D, De Bonis, I, Decamp, D, Ghez, P, Goy, C, Lees, JP, Lucotte, A, Minard, MN, Nief, JY, Odier, P, Pietrzyk, B, Casado, MP, Chmeissani, M, Crespo, JM , Delfino, M, Efthymiopoulos, I, Fernandez, E, Fernandez-Bosman, M, Garrido, L, Juste, A, Martinez, M, Orteu, S, Padilla, C, Park, IC, Pascual, A, Perlas, JA, Riu, I, Sanchez, F, Teubert, F, Colaleo, A, Creanza, D, de Palma, M, Gelao, G, Girone, M, Iaselli, G, Maggi, G, Maggi, M, Marinelli, N, Nuzzo, S, Ranieri, A, Raso, G, Ruggieri, F, Selvaggi, G, Silvestris, L, Tempesta, P, Zito, G, Huang, X, Lin, J, Ouyang, Q, Wang, T, Xie, Y, Xu, R, Xue, S, Zhang, J, Zhang, L, Zhao, W, Alemany, R, Bazarko, AO, Cattaneo, M, Comas, P, Coyle, P, Drevermann, H, Forty, RW, Frank, M, Hagelberg, R, Harvey, J, Janot, P, Jost, B, Kneringer, E, Knobloch, J, Lehraus, I, Lutters, G, Martin, EB, Mato, P, Minten, A, Miquel, R, Mir, LM, Moneta, L, Oest, T, Pacheco, A, Pusztaszeri, JF, Ranjard, F, Rensing, P, Rolandi, L, Schlatter, A, Schmelling, M, Schmitt, M, Schneider, O, Tejessy, W, Tomalin, IR, Venturi, A, Wachsmuth, H, Wagner, A, Ajaltouni, Z, Barrès, A, Boyer, C, Falvard, A, Gay, P, Guicheney, C & Henrard, P 1996, 'Search for heavy lepton pair production in e⁺e^- collisions at centre-of-mass energies of 130 and 136 GeV', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 384, no. 1-4, pp. 439-448. https://doi.org/10.1016/0370-2693(96)00928-8

TY - JOUR

T1 - Search for heavy lepton pair production in e+e- collisions at centre-of-mass energies of 130 and 136 GeV

AU - Buskulic, D.

AU - De Bonis, I.

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 - Odier, P.

AU - Pietrzyk, B.

AU - Casado, M. P.

AU - Chmeissani, M.

AU - Crespo, J. M.

AU - Delfino, M.

AU - Efthymiopoulos, I.

AU - Fernandez, E.

AU - Fernandez-Bosman, M.

AU - Garrido, Ll

AU - Juste, A.

AU - Martinez, M.

AU - Orteu, S.

AU - Padilla, C.

AU - Park, I. C.

AU - Pascual, 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 - Girone, M.

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 - 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 - Alemany, R.

AU - Bazarko, A. O.

AU - Cattaneo, M.

AU - Comas, P.

AU - Coyle, P.

AU - Drevermann, H.

AU - Forty, R. W.

AU - Frank, M.

AU - Hagelberg, R.

AU - Harvey, J.

AU - Janot, P.

AU - Jost, B.

AU - Kneringer, E.

AU - Knobloch, J.

AU - Lehraus, I.

AU - Lutters, G.

AU - Martin, E. B.

AU - Mato, P.

AU - Minten, A.

AU - Miquel, R.

AU - Mir, Ll M.

AU - Moneta, L.

AU - Oest, T.

AU - Pacheco, A.

AU - Pusztaszeri, J. F.

AU - Ranjard, F.

AU - Rensing, P.

AU - Rolandi, L.

AU - Schlatter, A.

AU - Schmelling, M.

AU - Schmitt, M.

AU - Schneider, O.

AU - Tejessy, W.

AU - Tomalin, I. R.

AU - Venturi, A.

AU - Wachsmuth, H.

AU - Wagner, A.

AU - Ajaltouni, Z.

AU - Barrès, A.

AU - Boyer, C.

AU - Falvard, A.

AU - Gay, P.

AU - Guicheney, C.

AU - Henrard, P.

PY - 1996/9/19

Y1 - 1996/9/19

N2 - A search for pair production of new heavy leptons has been performed assuming different scenarios for the mixing of the new particles with Standard Model leptons. No candidate events were found in a data sample corresponding to an integrated luminosity of 5.6 pb-1 collected by the ALEPH detector at centre-of-mass energies of 130 and 136 GeV. New limits on production cross-sections and on masses of sequential leptons were obtained which significantly extend the mass regions excluded at LEP1. For instance, charged heavy leptons with masses below 63.5 GeV/c2 are excluded at 95% C.L. for mass differences to the associated neutral lepton of more than 7 GeV/c2.

AB - A search for pair production of new heavy leptons has been performed assuming different scenarios for the mixing of the new particles with Standard Model leptons. No candidate events were found in a data sample corresponding to an integrated luminosity of 5.6 pb-1 collected by the ALEPH detector at centre-of-mass energies of 130 and 136 GeV. New limits on production cross-sections and on masses of sequential leptons were obtained which significantly extend the mass regions excluded at LEP1. For instance, charged heavy leptons with masses below 63.5 GeV/c2 are excluded at 95% C.L. for mass differences to the associated neutral lepton of more than 7 GeV/c2.

U2 - 10.1016/0370-2693(96)00928-8

DO - 10.1016/0370-2693(96)00928-8

M3 - Article

SN - 0370-2693

VL - 384

SP - 439

EP - 448

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 - 1-4

ER -

Search for heavy lepton pair production in e+e- collisions at centre-of-mass energies of 130 and 136 GeV

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Search for heavy lepton pair production in e⁺e^- collisions at centre-of-mass energies of 130 and 136 GeV