Measurement of the Λb polarization in Z decays

D. Buskulic; D. Casper; I. de Bonis; D. Decamp; P. Ghez; C. Goy; J. P. Lees; A. Lucotte; M. N. Minard; P. Odier; B. Pietrzyk; M. Chmeissani; J. M. Crespo; I. Efthymiopoulos; E. Fernandez; M. Fernandez-Bosman; LI Garrido; A. Juste; M. Martinez; S. Orteu; A. Pacheco; C. Padilla; F. Palla; A. Pascual; J. A. Perlas; I. Riu; F. Sanchez; F. Teubert; A. Colaleo; D. Creanza; M. de Palma; A. Farilla; G. Gelao; M. Girone; G. Iaselli; G. Maggi; M. Maggi; N. Marinelli; S. Natali; S. Nuzzo; A. Ranieri; G. Raso; F. Romano; 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; G. Bonvicini; M. Cattaneo; P. Comas; P. Coyle; H. Drevermann; R. W. Forty; M. Frank; R. Hagelberg; J. Harvey; R. Jacobsen; P. Janot; B. Jost; E. Kneringer; J. Knobloch; I. Lehraus; E. B. Martin; P. Mato; A. Minten; R. Miquel; L. M. Mir; L. Moneta; T. Oest; P. Palazzi; J. R. Pater; J. F. Pusztaszeri; F. Ranjard; P. Rensing; L. Rolandi; D. Schlatter; M. Schmelling; O. Schneider; W. Tejessy; I. R. Tomalin; A. Venturi; H. Wachsmuth; T. Wildish; W. Witzeling; J. Wotschack; Z. Ajaltouni; M. Bardadin-Otwinowska; A. Barres; C. Boyer; A. Falvard; P. Gay; C. Guicheney; P. Henrard; J. Jousset; B. Michel; S. Monteil; J. C. Montret; D. Pallin; P. Perret; F. Podlyski; J. Proriol; J. M. Rossignol; F. Saadi; T. Fearnley; J. B. Hansen; J. D. Hansen; J. R. Hansen; P. H. Hansen; B. S. Nilsson; A. Kyriakis; C. Markou; E. Simopoulou; I. Siotis; A. Vayaki; K. Zachariadou; A. Blondel; G. Bonneaud; J. C. Brient; P. Bourdon; A. Rougé; M. Rumpf; R. Tanaka; A. Valassi; M. Verderi; H. Videau; DJ Candlin; M. I. Parsons; E. Focardi; G. Parrini; M. Corden; M. Delfino; C. Georgiopoulos; D. E. Jaffe; A. Antonelli; G. Bencivenni; G. Bologna; F. Bossi; P. Campana; G. Capon; V. Chiarella; G. Felici; P. Laurelli; G. Mannocchi; F. Murtas; G. P. Murtas; L. Passalacqua; M. Pepe-Altarelli; L. Curtis; S. J. Dorris; A. W. Halley; I. G. Knowles; J. G. Lynch; V. O'Shea; C. Raine; P. Reeves; J. M. Scarr; K. Smith; A. S. Thompson; F. Thomson; S. Thorn; R. M. Turnbul; U. Becker; O. Braun; C. Geweniger; G. Graefe; P. Hanke; V. Hepp; E. E. Kluge; A. Putzer; B. Rensch; M. Schmidt; J. Sommer; H. Stenzel; K. Tittel; S. Werner; M. Wunsch; D. Abbaneo; R. Beuselinck; D. M. Binnie; W. Cameron; D. J. Colling; RJ Dornan; N. Konstantinidis; A. Moutoussi; J. Nash; G. San Martin; J. K. Sedgbeer; A. M. Stacey; G. Dissertori; P. Girtler; D. Kuhn; G. Rudolph; C. K. Bowdery; T. J. Brodbeck; P. Colrain; G. Crawford; A. J. Finch; F. Foster; G. Hughes; T. Sloan; E. P. Whelan; M. I. Williams; A. Galla; A. M. Greene; K. Kleinknecht; G. Quast; J. Raab; B. Renk; H. G. Sander; R. Wanke; P. van Gemmeren; C. Zeitnitz; J. J. Aubert; A. M. Bencheikh; C. Benchouk; A. Bonissent; G. Bujosa; D. Calvet; J. Carr; C. Diaconu; F. Etienne; M. Thulasidas; D. Nicod; P. Payre; D. Rousseau; M. Talby; I. Abt; R. Assmann; C. Bauer; W. Blum; D. Brown; H. Dietl; F. Dydak; G. Ganis; C. Gotzhein; K. Jakobs; H. Kroha; G. Lütjens; G. Lutz; W. Manner; H. G. Moser; R. Richter; A. Rosado-Schlosser; S. Schael; R. Settles; H. Seywerd; R. S. Denis; W. Wiedenmann; G. Wolf; J. Boucrot; O. Callot; A. Cordier; F. Courault; M. Davier; L. Duflot; J. F. Grivaz; P. Heusse; M. Jacquet; D. W. Kim; F. Le Diberder; J. Lefrançois; A. M. Lutz; I. Nikolic; H. J. Park; I. C. Park; M. H. Schune; S. Simion; J. J. Veillet; I. Videau; P. Azzurri; G. Bagliesi; G. Batignani; S. Bettarini; C. Bozzi; G. Calderini; M. Capinelli; M. A. Ciocci; V. Ciulli; R. Dell'Orso; R. Fantechi; I. Ferrante; L. Foà; F. Forti; A. Giassi; M. A. Giorgi; A. Gregorio; F. Ligabue; A. Lusiani; P. S. Marrocchesi; A. Messineo; G. Rizzo; G. Sanguinetti; A. Sciabà; P. Spagnolo; J. Steinberger; R. Tenchini; G. Tonelli; C. Vannini; P. G. Verdini; J. Walsh; A. P. Betteridge; G. A. Blair; L. M. Bryant; Y. Gao; M. G. Green; D. L. Johnson; T. Medcalf; P. Perrodo; J. A. Strong; J. H. von Wimmersperg-Toeller; D. R. Botterill; R. W. Clifft; T. R. Edgecock; S. Haywood; M. Edwards; P. Maley; P. R. Norton; J. C. Thompson; B. Bloch-Devaux; P. Colas; S. Emery; W. Kozanecki; E. Lançon; M. C. Lemaire; E. Locci; B. Marx; P. Perez; J. Rander; J. F. Renardy; A. Roussarie; J. P. Schuller; J. Schwindling; A. Trabelsi; B. Vallage; R. P. Johnson; H. Y. Kim; A. M. Litke; M. A. McNeil; G. Taylor; A. Beddall; C. N. Booth; R. Boswell; C. A.J. Brew; S. Cartwright; F. Combley; A. Koksal; M. Letho; W. M. Newton; C. Rankin; J. Reeve; L. F. Thompson; A. Böhrer; S. Brandt; G. Cowan; E. Feigl; C. Grupen; G. Lutters; J. Minguet-Rodriguez; F. Rivera; P. Saraiva; L. Smolik; F. Stephan; M. Apollonio; L. Bosisio; R. Delia Marina; G. Giannini; B. Gobbo; G. Musolino; F. Ragusa; J. Rothberg; S. Wasserbaech; S. R. Armstronga; L. Bellantoni; P. Elmer; Z. Feng; D. P.S. Ferguson; Y. S. Gao; S. Gonzalez; J. Grahl; T. C. Greening; J. L. Harton; O. J. Hayes; H. Hu; P. A. McNamara; J. M. Nachtman; W. Orejudos; Y. B. Pan; Y. Saadi; M. Schmitt; I. J. Scott; V. Sharma; J. D. Turk; A. M. Walsh; W. Sau Lan; X. Wu; J. M. Yamartino; M. Zheng; G. Zobernig

doi:10.1016/0370-2693(95)01433-0

Measurement of the Λ_b polarization in Z decays

D. Buskulic
, D. Casper
, I. de Bonis
, D. Decamp
, P. Ghez
, C. Goy
, J. P. Lees
, A. Lucotte
, M. N. Minard
, P. Odier
, B. Pietrzyk
, M. Chmeissani
, J. M. Crespo
, I. Efthymiopoulos
, E. Fernandez
, M. Fernandez-Bosman
, LI Garrido
, A. Juste
, M. Martinez
, S. Orteu

A. Pacheco, C. Padilla, F. Palla, A. Pascual, J. A. Perlas, I. Riu, F. Sanchez, F. Teubert, A. Colaleo, D. Creanza, M. de Palma, A. Farilla, G. Gelao, M. Girone, G. Iaselli, G. Maggi, M. Maggi, N. Marinelli, S. Natali, S. Nuzzo, A. Ranieri, G. Raso, F. Romano, 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, G. Bonvicini, M. Cattaneo, P. Comas, P. Coyle, H. Drevermann, R. W. Forty, M. Frank, R. Hagelberg, J. Harvey, R. Jacobsen, P. Janot, B. Jost, E. Kneringer, J. Knobloch, I. Lehraus, E. B. Martin, P. Mato, A. Minten, R. Miquel, L. M. Mir, L. Moneta, T. Oest, P. Palazzi, J. R. Pater, J. F. Pusztaszeri, F. Ranjard, P. Rensing, L. Rolandi, D. Schlatter, M. Schmelling, O. Schneider, W. Tejessy, I. R. Tomalin, A. Venturi, H. Wachsmuth, T. Wildish, W. Witzeling, J. Wotschack, Z. Ajaltouni, M. Bardadin-Otwinowska, A. Barres, C. Boyer, A. Falvard, P. Gay, C. Guicheney, P. Henrard, J. Jousset, B. Michel, S. Monteil, J. C. Montret, D. Pallin, P. Perret, F. Podlyski, J. Proriol, J. M. Rossignol, F. Saadi, T. Fearnley, J. B. Hansen, J. D. Hansen, J. R. Hansen, P. H. Hansen, B. S. Nilsson, A. Kyriakis, C. Markou, E. Simopoulou, I. Siotis, A. Vayaki, K. Zachariadou, A. Blondel, G. Bonneaud, J. C. Brient, P. Bourdon, A. Rougé, M. Rumpf, R. Tanaka, A. Valassi, M. Verderi, H. Videau, DJ Candlin, M. I. Parsons, E. Focardi, G. Parrini, M. Corden, M. Delfino, C. Georgiopoulos, D. E. Jaffe, A. Antonelli, G. Bencivenni, G. Bologna, F. Bossi, P. Campana, G. Capon, V. Chiarella, G. Felici, P. Laurelli, G. Mannocchi, F. Murtas, G. P. Murtas, L. Passalacqua, M. Pepe-Altarelli, L. Curtis, S. J. Dorris, A. W. Halley, I. G. Knowles, J. G. Lynch, V. O'Shea, C. Raine, P. Reeves, J. M. Scarr, K. Smith, A. S. Thompson, F. Thomson, S. Thorn, R. M. Turnbul, U. Becker, O. Braun, C. Geweniger, G. Graefe, P. Hanke, V. Hepp, E. E. Kluge, A. Putzer, B. Rensch, M. Schmidt, J. Sommer, H. Stenzel, K. Tittel, S. Werner, M. Wunsch, D. Abbaneo, R. Beuselinck, D. M. Binnie, W. Cameron, D. J. Colling, RJ Dornan, N. Konstantinidis, A. Moutoussi, J. Nash, G. San Martin, J. K. Sedgbeer, A. M. Stacey, G. Dissertori, P. Girtler, D. Kuhn, G. Rudolph, C. K. Bowdery, T. J. Brodbeck, P. Colrain, G. Crawford, A. J. Finch, F. Foster, G. Hughes, T. Sloan, E. P. Whelan, M. I. Williams, A. Galla, A. M. Greene, K. Kleinknecht, G. Quast, J. Raab, B. Renk, H. G. Sander, R. Wanke, P. van Gemmeren, C. Zeitnitz, J. J. Aubert, A. M. Bencheikh, C. Benchouk, A. Bonissent, G. Bujosa, D. Calvet, J. Carr, C. Diaconu, F. Etienne, M. Thulasidas, D. Nicod, P. Payre, D. Rousseau, M. Talby, I. Abt, R. Assmann, C. Bauer, W. Blum, D. Brown, H. Dietl, F. Dydak, G. Ganis, C. Gotzhein, K. Jakobs, H. Kroha, G. Lütjens, G. Lutz, W. Manner, H. G. Moser, R. Richter, A. Rosado-Schlosser, S. Schael, R. Settles, H. Seywerd, R. S. Denis, W. Wiedenmann, G. Wolf, J. Boucrot, O. Callot, A. Cordier, F. Courault, M. Davier, L. Duflot, J. F. Grivaz, P. Heusse, M. Jacquet, D. W. Kim, F. Le Diberder, J. Lefrançois, A. M. Lutz, I. Nikolic, H. J. Park, I. C. Park, M. H. Schune, S. Simion, J. J. Veillet, I. Videau, P. Azzurri, G. Bagliesi, G. Batignani, S. Bettarini, C. Bozzi, G. Calderini, M. Capinelli, M. A. Ciocci, V. Ciulli, R. Dell'Orso, R. Fantechi, I. Ferrante, L. Foà, F. Forti, A. Giassi, M. A. Giorgi, A. Gregorio, F. Ligabue, A. Lusiani, P. S. Marrocchesi, A. Messineo, G. Rizzo, G. Sanguinetti, A. Sciabà, P. Spagnolo, J. Steinberger, R. Tenchini, G. Tonelli, C. Vannini, P. G. Verdini, J. Walsh, A. P. Betteridge, G. A. Blair, L. M. Bryant, Y. Gao, M. G. Green, D. L. Johnson, T. Medcalf, P. Perrodo, J. A. Strong, J. H. von Wimmersperg-Toeller, D. R. Botterill, R. W. Clifft, T. R. Edgecock, S. Haywood, M. Edwards, P. Maley, P. R. Norton, J. C. Thompson, B. Bloch-Devaux, P. Colas, S. Emery, W. Kozanecki, E. Lançon, M. C. Lemaire, E. Locci, B. Marx, P. Perez, J. Rander, J. F. Renardy, A. Roussarie, J. P. Schuller, J. Schwindling, A. Trabelsi, B. Vallage, R. P. Johnson, H. Y. Kim, A. M. Litke, M. A. McNeil, G. Taylor, A. Beddall, C. N. Booth, R. Boswell, C. A.J. Brew, S. Cartwright, F. Combley, A. Koksal, M. Letho, W. M. Newton, C. Rankin, J. Reeve, L. F. Thompson, A. Böhrer, S. Brandt, G. Cowan, E. Feigl, C. Grupen, G. Lutters, J. Minguet-Rodriguez, F. Rivera, P. Saraiva, L. Smolik, F. Stephan, M. Apollonio, L. Bosisio, R. Delia Marina, G. Giannini, B. Gobbo, G. Musolino, F. Ragusa, J. Rothberg, S. Wasserbaech, S. R. Armstronga, L. Bellantoni, P. Elmer, Z. Feng, D. P.S. Ferguson, Y. S. Gao, S. Gonzalez, J. Grahl, T. C. Greening, J. L. Harton, O. J. Hayes, H. Hu, P. A. McNamara, J. M. Nachtman, W. Orejudos, Y. B. Pan, Y. Saadi, M. Schmitt, I. J. Scott, V. Sharma, J. D. Turk, A. M. Walsh, W. Sau Lan, X. Wu, J. M. Yamartino, M. Zheng, G. Zobernig

Université Paris-Sud
The Barcelona Institute of Science and Technology
University of Barcelona
INFN Sezione di Bari
University of Salento
Institute of High Energy Physics, Chinese Academy of Sciences
European Organization for Nuclear Research
Wayne State University
Ernest Orlando Lawrence Berkeley National Laboratory
University of Manchester
Université Blaise Pascal
Niels Bohr Institutet
NCSR Demokritos
University of Edinburgh
University of Florence
Florida State University
LNF-INFN
University of Turin
Ev-K2-CNR Committee
University of Glasgow
University of Heidelberg
Imperial College London
University of Innsbruck
Lancaster University
Johannes Gutenberg University
Max-Planck-Institut für Physik
Laboratoire de l'Accélérateur Linéaire
Kangwon National University
University of Pisa
Dipartimento di Scienze Biomediche
Royal Holloway University of London
Rutherford Appleton Laboratory
CEA/UVSQ/CNRS
University of California at Santa Cruz
The University of Sheffield
Universität Siegen
University of Trieste
University of Milano
University of Washington
University of Wisconsin-Madison
Fermi National Accelerator Laboratory
Cooperative Institute for Research in the Atmosphere
University of California, San Diego

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

69 Citations (Scopus)

Abstract

The Λ_b polarization in hadronic Z decays is measured in semileptonic decays from the average energies of the charged lepton and the neutrino. In a data sample of approximately 3 million hadronic Z decays collected by the ALEPH detector at LEP between 1991 and 1994, 462 ± 31 Λ_b candidates are selected using (Λπ⁺)-lepton correlations. From this event sample, the Λ_b polarization is measured to be PΛ_b = -0.23^+0.24_-0.20 (stat.)^+0.08_-0.07(syst.).

Original language	English
Pages (from-to)	437-447
Number of pages	11
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	365
Issue number	1-4
DOIs	https://doi.org/10.1016/0370-2693(95)01433-0
Publication status	Published - 4 Jan 1996

Access to Document

10.1016/0370-2693(95)01433-0

Cite this

Buskulic, D., Casper, D., de Bonis, I., Decamp, D., Ghez, P., Goy, C., Lees, J. P., Lucotte, A., Minard, M. N., Odier, P., Pietrzyk, B., Chmeissani, M., Crespo, J. M., Efthymiopoulos, I., Fernandez, E., Fernandez-Bosman, M., Garrido, LI., Juste, A., Martinez, M., ... Zobernig, G. (1996). Measurement of the Λ_b polarization in Z decays. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 365(1-4), 437-447. https://doi.org/10.1016/0370-2693(95)01433-0

@article{31141125aad240fc8f2b5a08a1a0cb62,

title = "Measurement of the Λb polarization in Z decays",

abstract = "The Λb polarization in hadronic Z decays is measured in semileptonic decays from the average energies of the charged lepton and the neutrino. In a data sample of approximately 3 million hadronic Z decays collected by the ALEPH detector at LEP between 1991 and 1994, 462 ± 31 Λb candidates are selected using (Λπ+)-lepton correlations. From this event sample, the Λb polarization is measured to be PΛb = -0.23+0.24-0.20 (stat.)+0.08-0.07(syst.).",

author = "D. Buskulic and D. Casper 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 P. Odier and B. Pietrzyk and M. Chmeissani and Crespo, \{J. M.\} and I. Efthymiopoulos and E. Fernandez and M. Fernandez-Bosman and LI Garrido and A. Juste and M. Martinez and S. Orteu and A. Pacheco and C. Padilla and F. Palla 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 A. Farilla and G. Gelao and M. Girone and G. Iaselli and G. Maggi and M. Maggi and N. Marinelli and S. Natali and S. Nuzzo and A. Ranieri and G. Raso and F. Romano 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 G. Bonvicini 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 R. Jacobsen and P. Janot and B. Jost and E. Kneringer and J. Knobloch and I. Lehraus and Martin, \{E. B.\} and P. Mato and A. Minten and R. Miquel and Mir, \{L. M.\} and L. Moneta and T. Oest and P. Palazzi and Pater, \{J. R.\} and Pusztaszeri, \{J. F.\} and F. Ranjard and P. Rensing and L. Rolandi and D. Schlatter and M. Schmelling and O. Schneider and W. Tejessy and Tomalin, \{I. R.\} and A. Venturi and H. Wachsmuth and T. Wildish and W. Witzeling and J. Wotschack and Z. Ajaltouni and M. Bardadin-Otwinowska and A. Barres and C. Boyer and A. Falvard and P. Gay and C. Guicheney and P. Henrard and J. Jousset and B. Michel and S. Monteil and Montret, \{J. C.\} and D. Pallin and P. Perret and F. Podlyski and J. Proriol and Rossignol, \{J. M.\} and F. Saadi and T. Fearnley and Hansen, \{J. B.\} and Hansen, \{J. D.\} and Hansen, \{J. R.\} and Hansen, \{P. H.\} and Nilsson, \{B. S.\} and A. Kyriakis and C. Markou and E. Simopoulou and I. Siotis and A. Vayaki and K. Zachariadou and A. Blondel and G. Bonneaud and Brient, \{J. C.\} and P. Bourdon and A. Roug{\'e} and M. Rumpf and R. Tanaka and A. Valassi and M. Verderi and H. Videau and DJ Candlin and Parsons, \{M. I.\} and E. Focardi and G. Parrini and M. Corden and M. Delfino and C. Georgiopoulos and Jaffe, \{D. E.\} and A. Antonelli and G. Bencivenni and G. Bologna and F. Bossi and P. Campana and G. Capon and V. Chiarella and G. Felici and P. Laurelli and G. Mannocchi and F. Murtas and Murtas, \{G. P.\} and L. Passalacqua and M. Pepe-Altarelli and L. Curtis and Dorris, \{S. J.\} and Halley, \{A. W.\} and Knowles, \{I. G.\} and Lynch, \{J. G.\} and V. O'Shea and C. Raine and P. Reeves and Scarr, \{J. M.\} and K. Smith and Thompson, \{A. S.\} and F. Thomson and S. Thorn and Turnbul, \{R. M.\} and U. Becker and O. Braun and C. Geweniger and G. Graefe and P. Hanke and V. Hepp and Kluge, \{E. E.\} and A. Putzer and B. Rensch and M. Schmidt and J. Sommer and H. Stenzel and K. Tittel and S. Werner and M. Wunsch and D. Abbaneo and R. Beuselinck and Binnie, \{D. M.\} and W. Cameron and Colling, \{D. J.\} and RJ Dornan and N. Konstantinidis and A. Moutoussi and J. Nash and \{San Martin\}, G. and Sedgbeer, \{J. K.\} and Stacey, \{A. M.\} and G. Dissertori and P. Girtler and D. Kuhn and G. Rudolph and Bowdery, \{C. K.\} and Brodbeck, \{T. J.\} and P. Colrain and G. Crawford and Finch, \{A. J.\} and F. Foster and G. Hughes and T. Sloan and Whelan, \{E. P.\} and Williams, \{M. I.\} and A. Galla and Greene, \{A. M.\} and K. Kleinknecht and G. Quast and J. Raab and B. Renk and Sander, \{H. G.\} and R. Wanke and \{van Gemmeren\}, P. and C. Zeitnitz and Aubert, \{J. J.\} and Bencheikh, \{A. M.\} and C. Benchouk and A. Bonissent and G. Bujosa and D. Calvet and J. Carr and C. Diaconu and F. Etienne and M. Thulasidas and D. Nicod and P. Payre and D. Rousseau and M. Talby and I. Abt and R. Assmann and C. Bauer and W. Blum and D. Brown and H. Dietl and F. Dydak and G. Ganis and C. Gotzhein and K. Jakobs and H. Kroha and G. L{\"u}tjens and G. Lutz and W. Manner and Moser, \{H. G.\} and R. Richter and A. Rosado-Schlosser and S. Schael and R. Settles and H. Seywerd and Denis, \{R. S.\} and W. Wiedenmann and G. Wolf and J. Boucrot and O. Callot and A. Cordier and F. Courault and M. Davier and L. Duflot and Grivaz, \{J. F.\} and P. Heusse and M. Jacquet and Kim, \{D. W.\} and \{Le Diberder\}, F. and J. Lefran{\c c}ois and Lutz, \{A. M.\} and I. Nikolic and Park, \{H. J.\} and Park, \{I. C.\} and Schune, \{M. H.\} and S. Simion and Veillet, \{J. J.\} and I. Videau and P. Azzurri and G. Bagliesi and G. Batignani and S. Bettarini and C. Bozzi and G. Calderini and M. Capinelli and Ciocci, \{M. A.\} and V. Ciulli and R. Dell'Orso and R. Fantechi and I. Ferrante and L. Fo{\`a} and F. Forti and A. Giassi and Giorgi, \{M. A.\} and A. Gregorio and F. Ligabue and A. Lusiani and Marrocchesi, \{P. S.\} and A. Messineo and G. Rizzo and G. Sanguinetti and A. Sciab{\`a} and P. Spagnolo and J. Steinberger and R. Tenchini and G. Tonelli and C. Vannini and Verdini, \{P. G.\} and J. Walsh and Betteridge, \{A. P.\} and Blair, \{G. A.\} and Bryant, \{L. M.\} and Y. Gao and Green, \{M. G.\} and Johnson, \{D. L.\} and T. Medcalf and P. Perrodo and Strong, \{J. A.\} and \{von Wimmersperg-Toeller\}, \{J. H.\} and Botterill, \{D. R.\} and Clifft, \{R. W.\} and Edgecock, \{T. R.\} and S. Haywood and M. Edwards and P. Maley and Norton, \{P. R.\} and Thompson, \{J. C.\} and B. Bloch-Devaux and P. Colas and S. Emery and W. Kozanecki and E. Lan{\c c}on and Lemaire, \{M. C.\} and E. Locci and B. Marx and P. Perez and J. Rander and Renardy, \{J. F.\} and A. Roussarie and Schuller, \{J. P.\} and J. Schwindling and A. Trabelsi and B. Vallage and Johnson, \{R. P.\} and Kim, \{H. Y.\} and Litke, \{A. M.\} and McNeil, \{M. A.\} and G. Taylor and A. Beddall and Booth, \{C. N.\} and R. Boswell and Brew, \{C. A.J.\} and S. Cartwright and F. Combley and A. Koksal and M. Letho and Newton, \{W. M.\} and C. Rankin and J. Reeve and Thompson, \{L. F.\} and A. B{\"o}hrer and S. Brandt and G. Cowan and E. Feigl and C. Grupen and G. Lutters and J. Minguet-Rodriguez and F. Rivera and P. Saraiva and L. Smolik and F. Stephan and M. Apollonio and L. Bosisio and \{Delia Marina\}, R. and G. Giannini and B. Gobbo and G. Musolino and F. Ragusa and J. Rothberg and S. Wasserbaech and Armstronga, \{S. R.\} and L. Bellantoni and P. Elmer and Z. Feng and Ferguson, \{D. P.S.\} and Gao, \{Y. S.\} and S. Gonzalez and J. Grahl and Greening, \{T. C.\} and Harton, \{J. L.\} and Hayes, \{O. J.\} and H. Hu and McNamara, \{P. A.\} and Nachtman, \{J. M.\} and W. Orejudos and Pan, \{Y. B.\} and Y. Saadi and M. Schmitt and Scott, \{I. J.\} and V. Sharma and Turk, \{J. D.\} and Walsh, \{A. M.\} and \{Sau Lan\}, W. and X. Wu and Yamartino, \{J. M.\} and M. Zheng and G. Zobernig",

year = "1996",

month = jan,

day = "4",

doi = "10.1016/0370-2693(95)01433-0",

language = "English",

volume = "365",

pages = "437--447",

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

issn = "0370-2693",

publisher = "Elsevier B.V.",

number = "1-4",

}

Buskulic, D, Casper, D, de Bonis, I, Decamp, D, Ghez, P, Goy, C, Lees, JP, Lucotte, A, Minard, MN, Odier, P, Pietrzyk, B, Chmeissani, M, Crespo, JM, Efthymiopoulos, I, Fernandez, E, Fernandez-Bosman, M, Garrido, LI, Juste, A, Martinez, M, Orteu, S, Pacheco, A, Padilla, C, Palla, F, Pascual, A, Perlas, JA, Riu, I, Sanchez, F, Teubert, F, Colaleo, A, Creanza, D, de Palma, M, Farilla, A, Gelao, G, Girone, M, Iaselli, G, Maggi, G, Maggi, M, Marinelli, N, Natali, S, Nuzzo, S, Ranieri, A, Raso, G, Romano, F, 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, Bonvicini, G, Cattaneo, M, Comas, P, Coyle, P, Drevermann, H, Forty, RW, Frank, M, Hagelberg, R, Harvey, J, Jacobsen, R, Janot, P, Jost, B, Kneringer, E, Knobloch, J, Lehraus, I, Martin, EB, Mato, P, Minten, A, Miquel, R, Mir, LM, Moneta, L, Oest, T, Palazzi, P, Pater, JR, Pusztaszeri, JF, Ranjard, F, Rensing, P, Rolandi, L, Schlatter, D, Schmelling, M, Schneider, O, Tejessy, W, Tomalin, IR, Venturi, A, Wachsmuth, H, Wildish, T, Witzeling, W, Wotschack, J, Ajaltouni, Z, Bardadin-Otwinowska, M, Barres, A, Boyer, C, Falvard, A, Gay, P, Guicheney, C, Henrard, P, Jousset, J, Michel, B, Monteil, S, Montret, JC, Pallin, D, Perret, P, Podlyski, F, Proriol, J, Rossignol, JM, Saadi, F, Fearnley, T, Hansen, JB, Hansen, JD, Hansen, JR, Hansen, PH, Nilsson, BS, Kyriakis, A, Markou, C, Simopoulou, E, Siotis, I, Vayaki, A, Zachariadou, K, Blondel, A, Bonneaud, G, Brient, JC, Bourdon, P, Rougé, A, Rumpf, M, Tanaka, R, Valassi, A, Verderi, M, Videau, H, Candlin, DJ, Parsons, MI, Focardi, E, Parrini, G, Corden, M, Delfino, M, Georgiopoulos, C, Jaffe, DE, Antonelli, A, Bencivenni, G, Bologna, G, Bossi, F, Campana, P, Capon, G, Chiarella, V, Felici, G, Laurelli, P, Mannocchi, G, Murtas, F, Murtas, GP, Passalacqua, L, Pepe-Altarelli, M, Curtis, L, Dorris, SJ, Halley, AW, Knowles, IG, Lynch, JG, O'Shea, V, Raine, C, Reeves, P, Scarr, JM, Smith, K, Thompson, AS, Thomson, F, Thorn, S, Turnbul, RM, Becker, U, Braun, O, Geweniger, C, Graefe, G, Hanke, P, Hepp, V, Kluge, EE, Putzer, A, Rensch, B, Schmidt, M, Sommer, J, Stenzel, H, Tittel, K, Werner, S, Wunsch, M, Abbaneo, D, Beuselinck, R, Binnie, DM, Cameron, W, Colling, DJ, Dornan, RJ, Konstantinidis, N, Moutoussi, A, Nash, J, San Martin, G, Sedgbeer, JK, Stacey, AM, Dissertori, G, Girtler, P, Kuhn, D, Rudolph, G, Bowdery, CK, Brodbeck, TJ, Colrain, P, Crawford, G, Finch, AJ, Foster, F, Hughes, G, Sloan, T, Whelan, EP, Williams, MI, Galla, A, Greene, AM, Kleinknecht, K, Quast, G, Raab, J, Renk, B, Sander, HG, Wanke, R, van Gemmeren, P, Zeitnitz, C, Aubert, JJ, Bencheikh, AM, Benchouk, C, Bonissent, A, Bujosa, G, Calvet, D, Carr, J, Diaconu, C, Etienne, F, Thulasidas, M, Nicod, D, Payre, P, Rousseau, D, Talby, M, Abt, I, Assmann, R, Bauer, C, Blum, W, Brown, D, Dietl, H, Dydak, F, Ganis, G, Gotzhein, C, Jakobs, K, Kroha, H, Lütjens, G, Lutz, G, Manner, W, Moser, HG, Richter, R, Rosado-Schlosser, A, Schael, S, Settles, R, Seywerd, H, Denis, RS, Wiedenmann, W, Wolf, G, Boucrot, J, Callot, O, Cordier, A, Courault, F, Davier, M, Duflot, L, Grivaz, JF, Heusse, P, Jacquet, M, Kim, DW, Le Diberder, F, Lefrançois, J, Lutz, AM, Nikolic, I, Park, HJ, Park, IC, Schune, MH, Simion, S, Veillet, JJ, Videau, I, Azzurri, P, Bagliesi, G, Batignani, G, Bettarini, S, Bozzi, C, Calderini, G, Capinelli, M, Ciocci, MA, Ciulli, V, Dell'Orso, R, Fantechi, R, Ferrante, I, Foà, L, Forti, F, Giassi, A, Giorgi, MA, Gregorio, A, Ligabue, F, Lusiani, A, Marrocchesi, PS, Messineo, A, Rizzo, G, Sanguinetti, G, Sciabà, A, Spagnolo, P, Steinberger, J, Tenchini, R, Tonelli, G, Vannini, C, Verdini, PG, Walsh, J, Betteridge, AP, Blair, GA, Bryant, LM, Gao, Y, Green, MG, Johnson, DL, Medcalf, T, Perrodo, P, Strong, JA, von Wimmersperg-Toeller, JH, Botterill, DR, Clifft, RW, Edgecock, TR, Haywood, S, Edwards, M, Maley, P, Norton, PR, Thompson, JC, Bloch-Devaux, B, Colas, P, Emery, S, Kozanecki, W, Lançon, E, Lemaire, MC, Locci, E, Marx, B, Perez, P, Rander, J, Renardy, JF, Roussarie, A, Schuller, JP, Schwindling, J, Trabelsi, A, Vallage, B, Johnson, RP, Kim, HY, Litke, AM, McNeil, MA, Taylor, G, Beddall, A, Booth, CN, Boswell, R, Brew, CAJ, Cartwright, S, Combley, F, Koksal, A, Letho, M, Newton, WM, Rankin, C, Reeve, J, Thompson, LF, Böhrer, A, Brandt, S, Cowan, G, Feigl, E, Grupen, C, Lutters, G, Minguet-Rodriguez, J, Rivera, F, Saraiva, P, Smolik, L, Stephan, F, Apollonio, M, Bosisio, L, Delia Marina, R, Giannini, G, Gobbo, B, Musolino, G, Ragusa, F, Rothberg, J, Wasserbaech, S, Armstronga, SR, Bellantoni, L, Elmer, P, Feng, Z, Ferguson, DPS, Gao, YS, Gonzalez, S, Grahl, J, Greening, TC, Harton, JL, Hayes, OJ, Hu, H, McNamara, PA, Nachtman, JM, Orejudos, W, Pan, YB, Saadi, Y, Schmitt, M, Scott, IJ, Sharma, V, Turk, JD, Walsh, AM, Sau Lan, W, Wu, X, Yamartino, JM, Zheng, M & Zobernig, G 1996, 'Measurement of the Λ_b polarization in Z decays', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 365, no. 1-4, pp. 437-447. https://doi.org/10.1016/0370-2693(95)01433-0

TY - JOUR

T1 - Measurement of the Λb polarization in Z decays

AU - Buskulic, D.

AU - Casper, 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 - Odier, P.

AU - Pietrzyk, B.

AU - Chmeissani, M.

AU - Crespo, J. M.

AU - Efthymiopoulos, I.

AU - Fernandez, E.

AU - Fernandez-Bosman, M.

AU - Garrido, LI

AU - Juste, A.

AU - Martinez, M.

AU - Orteu, S.

AU - Pacheco, A.

AU - Padilla, C.

AU - Palla, F.

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 - Farilla, A.

AU - Gelao, G.

AU - Girone, M.

AU - Iaselli, G.

AU - Maggi, G.

AU - Maggi, M.

AU - Marinelli, N.

AU - Natali, S.

AU - Nuzzo, S.

AU - Ranieri, A.

AU - Raso, G.

AU - Romano, F.

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 - Bonvicini, G.

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 - Jacobsen, R.

AU - Janot, P.

AU - Jost, B.

AU - Kneringer, E.

AU - Knobloch, J.

AU - Lehraus, I.

AU - Martin, E. B.

AU - Mato, P.

AU - Minten, A.

AU - Miquel, R.

AU - Mir, L. M.

AU - Moneta, L.

AU - Oest, T.

AU - Palazzi, P.

AU - Pater, J. R.

AU - Pusztaszeri, J. F.

AU - Ranjard, F.

AU - Rensing, P.

AU - Rolandi, L.

AU - Schlatter, D.

AU - Schmelling, M.

AU - Schneider, O.

AU - Tejessy, W.

AU - Tomalin, I. R.

AU - Venturi, A.

AU - Wachsmuth, H.

AU - Wildish, T.

AU - Witzeling, W.

AU - Wotschack, J.

AU - Ajaltouni, Z.

AU - Bardadin-Otwinowska, M.

AU - Barres, A.

AU - Boyer, C.

AU - Falvard, A.

AU - Gay, P.

AU - Guicheney, C.

AU - Henrard, P.

AU - Jousset, J.

AU - Michel, B.

AU - Monteil, S.

AU - Montret, J. C.

AU - Pallin, D.

AU - Perret, P.

AU - Podlyski, F.

AU - Proriol, J.

AU - Rossignol, J. M.

AU - Saadi, F.

AU - Fearnley, T.

AU - Hansen, J. B.

AU - Hansen, J. D.

AU - Hansen, J. R.

AU - Hansen, P. H.

AU - Nilsson, B. S.

AU - Kyriakis, A.

AU - Markou, C.

AU - Simopoulou, E.

AU - Siotis, I.

AU - Vayaki, A.

AU - Zachariadou, K.

AU - Blondel, A.

AU - Bonneaud, G.

AU - Brient, J. C.

AU - Bourdon, P.

AU - Rougé, A.

AU - Rumpf, M.

AU - Tanaka, R.

AU - Valassi, A.

AU - Verderi, M.

AU - Videau, H.

AU - Candlin, DJ

AU - Parsons, M. I.

AU - Focardi, E.

AU - Parrini, G.

AU - Corden, M.

AU - Delfino, M.

AU - Georgiopoulos, C.

AU - Jaffe, D. E.

AU - Antonelli, A.

AU - Bencivenni, G.

AU - Bologna, G.

AU - Bossi, F.

AU - Campana, P.

AU - Capon, G.

AU - Chiarella, V.

AU - Felici, G.

AU - Laurelli, P.

AU - Mannocchi, G.

AU - Murtas, F.

AU - Murtas, G. P.

AU - Passalacqua, L.

AU - Pepe-Altarelli, M.

AU - Curtis, L.

AU - Dorris, S. J.

AU - Halley, A. W.

AU - Knowles, I. G.

AU - Lynch, J. G.

AU - O'Shea, V.

AU - Raine, C.

AU - Reeves, P.

AU - Scarr, J. M.

AU - Smith, K.

AU - Thompson, A. S.

AU - Thomson, F.

AU - Thorn, S.

AU - Turnbul, R. M.

AU - Becker, U.

AU - Braun, O.

AU - Geweniger, C.

AU - Graefe, G.

AU - Hanke, P.

AU - Hepp, V.

AU - Kluge, E. E.

AU - Putzer, A.

AU - Rensch, B.

AU - Schmidt, M.

AU - Sommer, J.

AU - Stenzel, H.

AU - Tittel, K.

AU - Werner, S.

AU - Wunsch, M.

AU - Abbaneo, D.

AU - Beuselinck, R.

AU - Binnie, D. M.

AU - Cameron, W.

AU - Colling, D. J.

AU - Dornan, RJ

AU - Konstantinidis, N.

AU - Moutoussi, A.

AU - Nash, J.

AU - San Martin, G.

AU - Sedgbeer, J. K.

AU - Stacey, A. M.

AU - Dissertori, G.

AU - Girtler, P.

AU - Kuhn, D.

AU - Rudolph, G.

AU - Bowdery, C. K.

AU - Brodbeck, T. J.

AU - Colrain, P.

AU - Crawford, G.

AU - Finch, A. J.

AU - Foster, F.

AU - Hughes, G.

AU - Sloan, T.

AU - Whelan, E. P.

AU - Williams, M. I.

AU - Galla, A.

AU - Greene, A. M.

AU - Kleinknecht, K.

AU - Quast, G.

AU - Raab, J.

AU - Renk, B.

AU - Sander, H. G.

AU - Wanke, R.

AU - van Gemmeren, P.

AU - Zeitnitz, C.

AU - Aubert, J. J.

AU - Bencheikh, A. M.

AU - Benchouk, C.

AU - Bonissent, A.

AU - Bujosa, G.

AU - Calvet, D.

AU - Carr, J.

AU - Diaconu, C.

AU - Etienne, F.

AU - Thulasidas, M.

AU - Nicod, D.

AU - Payre, P.

AU - Rousseau, D.

AU - Talby, M.

AU - Abt, I.

AU - Assmann, R.

AU - Bauer, C.

AU - Blum, W.

AU - Brown, D.

AU - Dietl, H.

AU - Dydak, F.

AU - Ganis, G.

AU - Gotzhein, C.

AU - Jakobs, K.

AU - Kroha, H.

AU - Lütjens, G.

AU - Lutz, G.

AU - Manner, W.

AU - Moser, H. G.

AU - Richter, R.

AU - Rosado-Schlosser, A.

AU - Schael, S.

AU - Settles, R.

AU - Seywerd, H.

AU - Denis, R. S.

AU - Wiedenmann, W.

AU - Wolf, G.

AU - Boucrot, J.

AU - Callot, O.

AU - Cordier, A.

AU - Courault, F.

AU - Davier, M.

AU - Duflot, L.

AU - Grivaz, J. F.

AU - Heusse, P.

AU - Jacquet, M.

AU - Kim, D. W.

AU - Le Diberder, F.

AU - Lefrançois, J.

AU - Lutz, A. M.

AU - Nikolic, I.

AU - Park, H. J.

AU - Park, I. C.

AU - Schune, M. H.

AU - Simion, S.

AU - Veillet, J. J.

AU - Videau, I.

AU - Azzurri, P.

AU - Bagliesi, G.

AU - Batignani, G.

AU - Bettarini, S.

AU - Bozzi, C.

AU - Calderini, G.

AU - Capinelli, M.

AU - Ciocci, M. A.

AU - Ciulli, V.

AU - Dell'Orso, R.

AU - Fantechi, R.

AU - Ferrante, I.

AU - Foà, L.

AU - Forti, F.

AU - Giassi, A.

AU - Giorgi, M. A.

AU - Gregorio, A.

AU - Ligabue, F.

AU - Lusiani, A.

AU - Marrocchesi, P. S.

AU - Messineo, A.

AU - Rizzo, G.

AU - Sanguinetti, G.

AU - Sciabà, A.

AU - Spagnolo, P.

AU - Steinberger, J.

AU - Tenchini, R.

AU - Tonelli, G.

AU - Vannini, C.

AU - Verdini, P. G.

AU - Walsh, J.

AU - Betteridge, A. P.

AU - Blair, G. A.

AU - Bryant, L. M.

AU - Gao, Y.

AU - Green, M. G.

AU - Johnson, D. L.

AU - Medcalf, T.

AU - Perrodo, P.

AU - Strong, J. A.

AU - von Wimmersperg-Toeller, J. H.

AU - Botterill, D. R.

AU - Clifft, R. W.

AU - Edgecock, T. R.

AU - Haywood, S.

AU - Edwards, M.

AU - Maley, P.

AU - Norton, P. R.

AU - Thompson, J. C.

AU - Bloch-Devaux, B.

AU - Colas, P.

AU - Emery, S.

AU - Kozanecki, W.

AU - Lançon, E.

AU - Lemaire, M. C.

AU - Locci, E.

AU - Marx, B.

AU - Perez, P.

AU - Rander, J.

AU - Renardy, J. F.

AU - Roussarie, A.

AU - Schuller, J. P.

AU - Schwindling, J.

AU - Trabelsi, A.

AU - Vallage, B.

AU - Johnson, R. P.

AU - Kim, H. Y.

AU - Litke, A. M.

AU - McNeil, M. A.

AU - Taylor, G.

AU - Beddall, A.

AU - Booth, C. N.

AU - Boswell, R.

AU - Brew, C. A.J.

AU - Cartwright, S.

AU - Combley, F.

AU - Koksal, A.

AU - Letho, M.

AU - Newton, W. M.

AU - Rankin, C.

AU - Reeve, J.

AU - Thompson, L. F.

AU - Böhrer, A.

AU - Brandt, S.

AU - Cowan, G.

AU - Feigl, E.

AU - Grupen, C.

AU - Lutters, G.

AU - Minguet-Rodriguez, J.

AU - Rivera, F.

AU - Saraiva, P.

AU - Smolik, L.

AU - Stephan, F.

AU - Apollonio, M.

AU - Bosisio, L.

AU - Delia Marina, R.

AU - Giannini, G.

AU - Gobbo, B.

AU - Musolino, G.

AU - Ragusa, F.

AU - Rothberg, J.

AU - Wasserbaech, S.

AU - Armstronga, S. R.

AU - Bellantoni, L.

AU - Elmer, P.

AU - Feng, Z.

AU - Ferguson, D. P.S.

AU - Gao, Y. S.

AU - Gonzalez, S.

AU - Grahl, J.

AU - Greening, T. C.

AU - Harton, J. L.

AU - Hayes, O. J.

AU - Hu, H.

AU - McNamara, P. A.

AU - Nachtman, J. M.

AU - Orejudos, W.

AU - Pan, Y. B.

AU - Saadi, Y.

AU - Schmitt, M.

AU - Scott, I. J.

AU - Sharma, V.

AU - Turk, J. D.

AU - Walsh, A. M.

AU - Sau Lan, W.

AU - Wu, X.

AU - Yamartino, J. M.

AU - Zheng, M.

AU - Zobernig, G.

PY - 1996/1/4

Y1 - 1996/1/4

N2 - The Λb polarization in hadronic Z decays is measured in semileptonic decays from the average energies of the charged lepton and the neutrino. In a data sample of approximately 3 million hadronic Z decays collected by the ALEPH detector at LEP between 1991 and 1994, 462 ± 31 Λb candidates are selected using (Λπ+)-lepton correlations. From this event sample, the Λb polarization is measured to be PΛb = -0.23+0.24-0.20 (stat.)+0.08-0.07(syst.).

AB - The Λb polarization in hadronic Z decays is measured in semileptonic decays from the average energies of the charged lepton and the neutrino. In a data sample of approximately 3 million hadronic Z decays collected by the ALEPH detector at LEP between 1991 and 1994, 462 ± 31 Λb candidates are selected using (Λπ+)-lepton correlations. From this event sample, the Λb polarization is measured to be PΛb = -0.23+0.24-0.20 (stat.)+0.08-0.07(syst.).

U2 - 10.1016/0370-2693(95)01433-0

DO - 10.1016/0370-2693(95)01433-0

M3 - Article

AN - SCOPUS:0348084498

SN - 0370-2693

VL - 365

SP - 437

EP - 447

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 -

Measurement of the Λb polarization in Z decays

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Measurement of the Λ_b polarization in Z decays