Study of muon-pair production at centre-of-mass energies from 20 to 136 GeV with the ALEPH detector

R. Barate; D. Buskulic; 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; P. Comas; J. M. Crespo; M. Delfino; E. Fernandez; M. Fernandez-Bosman; L. 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; 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. Abbaneo; R. Alemany; A. O. Bazarko; P. Bright-Thomas; M. Cattaneo; F. Cerutti; H. Drevermann; R. W. Forty; M. Frank; R. Hagelberg; J. Harvey; P. Janot; B. Jost; E. Kneringer; J. Knobloch; I. Lehraus; G. Lutters; P. Mato; A. Minten; R. Miquel; L. M. Mir; L. Moneta; T. Oest; A. Pacheco; J. F. Pusztaszeri; F. Ranjard; P. Rensing; G. Rizzo; L. Rolandi; D. 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; C. Ferdi; P. Gay

doi:10.1016/S0370-2693(97)00353-5

Study of muon-pair production at centre-of-mass energies from 20 to 136 GeV with the ALEPH detector

R. Barate, D. Buskulic, 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, P. Comas, J. M. Crespo, M. Delfino, E. Fernandez, M. Fernandez-Bosman, L. 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, 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. Abbaneo, R. Alemany, A. O. Bazarko, P. Bright-Thomas, M. Cattaneo, F. Cerutti, H. Drevermann, R. W. Forty, M. Frank, R. Hagelberg, J. Harvey, P. Janot, B. Jost, E. Kneringer, J. Knobloch, I. Lehraus, G. Lutters, P. Mato, A. Minten, R. Miquel, L. M. Mir, L. Moneta, T. Oest, A. Pacheco, J. F. Pusztaszeri, F. Ranjard, P. Rensing, G. Rizzo, L. Rolandi, D. 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, C. Ferdi, P. Gay

Research output: Contribution to journal › Article › Research › peer-review

18 Citations (Scopus)

Abstract

The total cross section and the forward-backward asymmetry for the process e+e- → μ+μ- (nγ) are measured in the energy range 20-136 GeV by reconstructing the effective centre-of-mass energy after initial state radiation. The analysis is based on the data recorded with the ALEPH detector at LEP between 1990 and 1995, corresponding to a total integrated luminosity of 143.5 pb-1. Two different approaches are used: in the first one an exclusive selection of events with hard initial state radiation in the energy range 20-88 GeV is directly compared with the Standard Model predictions showing good agreement. In the second one, all events are used to obtain a precise measurement of the energy dependence of σ0 and A0FB from a model independent fit, enabling constraints to be placed on models with extra Z bosons. © 1997 Published by Elsevier Science B.V.

Original language	English
Pages (from-to)	329-341
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	399
DOIs	https://doi.org/10.1016/S0370-2693(97)00353-5
Publication status	Published - 1 May 1997

Access to Document

10.1016/S0370-2693(97)00353-5

Study of the muon pair production at center-of-mass energies from 20-GeV to 136-GeV with the ALEPH detector
Barate, R. (Creator), Buskulic, D. (Creator), Decamp, D. (Creator), Ghez, P. (Creator), Goy, C. (Creator), Lees, J.-P. (Creator), Lucotte, A. (Creator), Minard, M.-N. (Creator), Nief, J.-Y. (Creator), Odier, P. (Creator), Pietrzyk, B. (Creator), Casado, M. P. (Creator), Chmeissani, M. (Creator), Comas, P. (Creator), Crespo Vicente, J. M. (Creator), Delfino, M. (Creator), Fernandez, E. (Creator), Fernandez-Bosman, M. (Creator), Garrido, L. (Creator), Juste, A. (Creator), Martinez, M. (Creator), Orteu, S. (Creator), Padilla, C. (Creator), Park, I. C. (Creator), Pascual, A. (Creator), Perlas, J. A. (Creator), Riu, I. (Creator), Sanchez, F. (Creator), Teubert, F. (Creator), Colaleo, A. (Creator), Creanza, D. (Creator), de Palma, P. M. (Contributor), Gelao, G. (Creator), Iaselli, G. (Creator), Maggi, G. (Creator), Maggi, M. (Creator), Marinelli, N. (Creator), Nuzzo, S. (Creator), Ranieri, A. (Creator), Raso, G. (Creator), Ruggieri, F. (Creator), Selvaggi, G. (Creator), Silvestris, L. (Creator), Tempesta, P. (Creator), Tricomi, A. (Creator), Zito, G. (Creator), Huang, X. (Creator), Lin, J. (Creator), Ouyang, Q. (Creator), Wang, T. (Creator), Xie, Y. (Creator), Xu, R. (Creator), Xue, S. (Creator), Zhang, J. (Creator), Zhang, L. (Creator), Zhao, W. (Creator), Abbaneo, D. (Creator), Alemany, R. (Creator), Bazarko, A. O. (Creator), Bright-Thomas, P. (Creator), Cattaneo, M. (Creator), Cerutti, F. (Creator), Drevermann, H. (Creator), Forty, R. W. (Creator), Frank, M. (Creator), Hagelberg, R. (Creator), Harvey, J. (Creator), Janot, P. (Creator), Jost, B. (Creator), Kneringer, E. (Creator), Knobloch, J. (Creator), Lehraus, I. (Creator), Lutters, G. (Creator), Mato, P. (Creator), Minten, A. (Creator), Miquel, R. (Creator), Mir, L. M. (Creator), Moneta, L. (Creator), Oest, T. (Creator), Pacheco, A. (Creator), Pusztaszeri, J.-F. (Creator), Ranjard, F. (Creator), Rensing, P. (Creator), Rizzo, G. (Creator), Schlatter, D. (Creator), Schmelling, M. (Creator), Schmitt, M. (Creator), Schneider, O. (Creator), Tejessy, W. (Creator), Tomalin, I. R. (Creator), Venturi, A. (Creator), Wachsmuth, H. (Creator), Wagner, A. (Creator), Ajaltouni, Z. (Creator), Barrès, A. (Contributor), Boyer, C. (Creator), Falvard, A. (Creator), Ferdi, C. (Creator), Gay, P. (Creator), Guicheney, C. (Creator), Henrard, P. (Creator), Jousset, J. (Creator), Michel, B. (Creator), Monteil, S. (Creator), Montret, J.-C. (Creator), Pallin, D. (Creator), Perret, P. (Creator), Podlyski, F. (Creator), Proriol, J. (Creator), Rosnet, P. (Creator), Rossignol, J.-M. (Creator), Fearnley, T. (Creator), Hansen, J. B. (Creator), Hansen, J. D. (Creator), Hansen, J. R. (Creator), Hansen, P. H. (Creator), Nilsson, B. S. (Creator), Rensch, B. (Creator), Wäänänen, A. (Contributor), Daskalakis, G. (Creator), Kyriakis, A. (Creator), Markou, C. (Creator), Simopoulou, E. (Creator), Vayaki, A. (Creator), Zachariadou, K. (Creator), Blondel, A. (Creator), Brient, J. C. (Creator), Machefert, F. (Contributor), Rouge, A. (Creator), Rurnpf, M. (Contributor), Valassi, A. (Creator), Videau, H. (Creator), Focardi, E. (Creator), Parrini, G. (Creator), Corden, M. (Creator), Georgiopoulos, C. (Creator), Jaffe, D. E. (Creator), Antonelli, A. (Creator), Bencivenni, G. (Creator), Bologna, G. (Creator), Bossi, F. (Creator), Campana, P. (Creator), Capon, G. (Creator), Casper, D. (Creator), Felici, G. (Creator), Laurelli, P. (Creator), Mannocchi, G. (Creator), Murtas, F. (Creator), Murtas, G. P. (Creator), Passalacqua, L. (Creator), Pepe-Altarelli, M. (Creator), Curtis, L. (Creator), Dorris, S. J. (Creator), Halley, A. W. (Creator), Knowles, I. G. (Creator), Lynch, J. G. (Creator), O'Shea, V. (Creator), Raine, C. (Creator), Scarr, J. M. (Creator), Smith, K. (Creator), Teixeira-Dias, P. (Creator), Thompson, A. S. (Creator), Thomson, E. (Creator), Thomson, F. (Creator), Turnbull, R. M. (Creator), Becker, U. (Creator), Geweniger, C. (Creator), Graefe, G. (Creator), Hanke, P. (Creator), Hansper, G. (Creator), Hepp, V. (Creator), Kluge, E. E. (Creator), Putzer, A. (Creator), Schmidt, M. (Creator), Sommer, J. (Creator), Stenzel, H. (Creator), Tittel, K. (Creator), Werner, S. (Creator), Wunsch, M. (Creator), Beuselinck, R. (Creator), Binnie, D. M. (Creator), Cameron, W. (Creator), Girone, M. (Creator), Goodsir, S. (Creator), Martin, E. B. (Creator), Morawitz, P. (Creator), Moutoussi, A. (Creator), Nash, J. (Creator), Sedgbeer, J. K. (Creator), Stacey, A. M. (Creator), Williams, M. D. (Creator), Dissertori, G. (Creator), Girtler, P. (Creator), Kuhn, D. (Creator), Rudolph, G. (Creator), Betteridge, A. P. (Creator), Bowdery, C. K. (Creator), Colrain, P. (Creator), Crawford, G. (Creator), Foster, F. (Creator), Hughes, G. (Creator), Jones, R. W. (Creator), Sloan, T. (Creator), Whelan, E. P. (Creator), Williams, M. I. (Creator), Hoffmann, C. (Creator), Jakobs, K. (Creator), Kleinknecht, K. (Creator), Renk, B. (Creator), Rohne, E. (Creator), Sander, H.-G. 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(Creator), Sciabà, A. (Contributor), Spagnolo, P. (Creator), Steinberger, J. (Creator), Tenchini, R. (Creator), Tonelli, G. (Creator), Vannini, C. (Creator), Verdini, P. G. (Creator), Blair, G. A. (Creator), Bryant, L. M. (Creator), Chambers, J. T. (Creator), Gao, Y. (Creator), Green, M. G. (Creator), Medcalf, T. (Creator), Perrodo, P. (Creator), Strong, J. A. (Creator), von Wimmersperg-Toeller, W.-T. J. H. (Contributor), Botterill, D. R. (Creator), Clifft, R. W. (Creator), Edgecock, T. R. (Creator), Haywood, S. (Creator), Maley, P. (Creator), Norton, P. R. (Creator), Thompson, J. C. (Creator), Wright, A. E. (Creator), Bloch-Devaux, B. (Creator), Colas, P. (Creator), Kozanecki, W. (Creator), Lançon, E. (Contributor), Lemaire, M. C. (Creator), Locci, E. (Creator), Perez, P. (Creator), Rander, J. (Creator), Renardy, J.-F. (Creator), Roussarie, A. (Creator), Schuller, J.-P. (Creator), Schwindling, J. (Creator), Trabelsi, A. (Creator), Vailage, B. (Contributor), Black, S. N. (Creator), Dann, J. H. (Creator), Kim, H. Y. (Creator), Litke, A. M. (Creator), McNeil, M. A. (Creator), Taylor, G. (Creator), Booth, C. N. (Creator), Boswell, R. (Creator), Brew, C. A. J. (Creator), Cartwright, S. (Creator), Combley, F. (Creator), Kelly, M. S. (Creator), Letho, M. (Creator), Newton, W. M. (Creator), Reeve, J. (Creator), Thompson, L. F. (Creator), Affholderbach, K. (Creator), Böhrer, A. (Contributor), Brandt, S. (Creator), Cowan, G. (Creator), Grupen, C. (Creator), Saraiva, P. (Creator), Smolik, L. (Creator), Stephan, F. (Creator), Apollonio, M. (Creator), Bosisio, L. (Creator), Delia Marina, M. R. (Contributor), Giannini, G. (Creator), Gobbo, B. (Creator), Musolino, G. (Creator), Putz, J. (Creator), Rothberg, J. (Creator), Wasserbaech, S. (Creator), Williams, R. W. (Creator), Armstrong, S. R. (Creator), Elmer, P. (Creator), Ferguson, D. P. S. (Creator), Gao, Y. S. (Creator), Gonzalez, S. (Creator), Greening, T. C. (Creator), Hayes, O. J. (Creator), Hu, H. (Creator), McNamara, P. A. (Creator), Nachtman, J. M. (Creator), Orejudos, W. (Creator), Pan, Y. B. (Creator), Saadi, Y. (Creator), Scott, I. J. (Creator), Walsh, J. (Creator), Wu, S. L. (Creator), Wu, X. (Creator), Yamartino, J. M. (Creator), Zheng, M. (Creator) & Zobernig, G. (Creator), HEPData, 30 Mar 1997
DOI: 10.17182/hepdata.47490, https://www.hepdata.net/record/ins440218
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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., Odier, P., Pietrzyk, B., Casado, M. P., Chmeissani, M., Comas, P., Crespo, J. M., Delfino, M., Fernandez, E., Fernandez-Bosman, M., Garrido, L., ... Gay, P. (1997). Study of muon-pair production at centre-of-mass energies from 20 to 136 GeV with the ALEPH detector. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 399, 329-341. https://doi.org/10.1016/S0370-2693(97)00353-5

@article{c8bafc2967b74447a5aced5090c465fa,

title = "Study of muon-pair production at centre-of-mass energies from 20 to 136 GeV with the ALEPH detector",

abstract = "The total cross section and the forward-backward asymmetry for the process e+e- → μ+μ- (nγ) are measured in the energy range 20-136 GeV by reconstructing the effective centre-of-mass energy after initial state radiation. The analysis is based on the data recorded with the ALEPH detector at LEP between 1990 and 1995, corresponding to a total integrated luminosity of 143.5 pb-1. Two different approaches are used: in the first one an exclusive selection of events with hard initial state radiation in the energy range 20-88 GeV is directly compared with the Standard Model predictions showing good agreement. In the second one, all events are used to obtain a precise measurement of the energy dependence of σ0 and A0FB from a model independent fit, enabling constraints to be placed on models with extra Z bosons. {\textcopyright} 1997 Published by Elsevier Science B.V.",

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 P. Odier 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 L. 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 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. Abbaneo and R. Alemany and Bazarko, {A. O.} and P. Bright-Thomas and M. Cattaneo and F. Cerutti 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 P. Mato and A. Minten and R. Miquel and Mir, {L. M.} and L. Moneta and T. Oest and A. Pacheco and Pusztaszeri, {J. F.} and F. Ranjard and P. Rensing and G. Rizzo and L. Rolandi and D. 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 C. Ferdi and P. Gay",

year = "1997",

month = may,

day = "1",

doi = "10.1016/S0370-2693(97)00353-5",

language = "English",

volume = "399",

pages = "329--341",

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

issn = "0370-2693",

publisher = "Elsevier",

}

Barate, R, Buskulic, D, Decamp, D, Ghez, P, Goy, C, Lees, JP, Lucotte, A, Minard, MN, Nief, JY, Odier, P, Pietrzyk, B, Casado, MP, Chmeissani, M, Comas, P, Crespo, JM , Delfino, M , 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, 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, Abbaneo, D, Alemany, R, Bazarko, AO, Bright-Thomas, P, Cattaneo, M, Cerutti, F, Drevermann, H, Forty, RW, Frank, M, Hagelberg, R, Harvey, J, Janot, P, Jost, B, Kneringer, E, Knobloch, J, Lehraus, I, Lutters, G, Mato, P, Minten, A, Miquel, R, Mir, LM, Moneta, L, Oest, T, Pacheco, A, Pusztaszeri, JF, Ranjard, F, Rensing, P, Rizzo, G, Rolandi, L, Schlatter, D, Schmelling, M, Schmitt, M, Schneider, O, Tejessy, W, Tomalin, IR, Venturi, A, Wachsmuth, H, Wagner, A, Ajaltouni, Z, Barrès, A, Boyer, C, Falvard, A, Ferdi, C & Gay, P 1997, 'Study of muon-pair production at centre-of-mass energies from 20 to 136 GeV with the ALEPH detector', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 399, pp. 329-341. https://doi.org/10.1016/S0370-2693(97)00353-5

TY - JOUR

T1 - Study of muon-pair production at centre-of-mass energies from 20 to 136 GeV with the ALEPH detector

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 - Odier, P.

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, L.

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 - 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 - Abbaneo, D.

AU - Alemany, R.

AU - Bazarko, A. O.

AU - Bright-Thomas, P.

AU - Cattaneo, M.

AU - Cerutti, F.

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 - Mato, P.

AU - Minten, A.

AU - Miquel, R.

AU - Mir, L. M.

AU - Moneta, L.

AU - Oest, T.

AU - Pacheco, A.

AU - Pusztaszeri, J. F.

AU - Ranjard, F.

AU - Rensing, P.

AU - Rizzo, G.

AU - Rolandi, L.

AU - Schlatter, D.

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 - Ferdi, C.

AU - Gay, P.

PY - 1997/5/1

Y1 - 1997/5/1

N2 - The total cross section and the forward-backward asymmetry for the process e+e- → μ+μ- (nγ) are measured in the energy range 20-136 GeV by reconstructing the effective centre-of-mass energy after initial state radiation. The analysis is based on the data recorded with the ALEPH detector at LEP between 1990 and 1995, corresponding to a total integrated luminosity of 143.5 pb-1. Two different approaches are used: in the first one an exclusive selection of events with hard initial state radiation in the energy range 20-88 GeV is directly compared with the Standard Model predictions showing good agreement. In the second one, all events are used to obtain a precise measurement of the energy dependence of σ0 and A0FB from a model independent fit, enabling constraints to be placed on models with extra Z bosons. © 1997 Published by Elsevier Science B.V.

AB - The total cross section and the forward-backward asymmetry for the process e+e- → μ+μ- (nγ) are measured in the energy range 20-136 GeV by reconstructing the effective centre-of-mass energy after initial state radiation. The analysis is based on the data recorded with the ALEPH detector at LEP between 1990 and 1995, corresponding to a total integrated luminosity of 143.5 pb-1. Two different approaches are used: in the first one an exclusive selection of events with hard initial state radiation in the energy range 20-88 GeV is directly compared with the Standard Model predictions showing good agreement. In the second one, all events are used to obtain a precise measurement of the energy dependence of σ0 and A0FB from a model independent fit, enabling constraints to be placed on models with extra Z bosons. © 1997 Published by Elsevier Science B.V.

U2 - 10.1016/S0370-2693(97)00353-5

DO - 10.1016/S0370-2693(97)00353-5

M3 - Article

SN - 0370-2693

VL - 399

SP - 329

EP - 341

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

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

ER -

Study of muon-pair production at centre-of-mass energies from 20 to 136 GeV with the ALEPH detector

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Study of the muon pair production at center-of-mass energies from 20-GeV to 136-GeV with the ALEPH detector

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