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A study of the reaction ${e^+ e^- \rightarrow \mu^+ \mu^- \gamma_{\sc ISR}}$ at LEP and search for new physics at annihilation energies near 80 GeV

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العنوان:	A study of the reaction ${e^+ e^- \rightarrow \mu^+ \mu^- \gamma_{\sc ISR}}$ at LEP and search for new physics at annihilation energies near 80 GeV
المؤلفون:	Abreu, P, Adam, W, Adye, T, Ajinenko, I, Alekseev, Gd, Alemany, R, Allport, Pp, Almehed, S, Amaldi, U, Amato, S, Andersson, P, Andreazza, A, Antilogus, P, Apel, Wd, Asman, B, Augustin, Je, Augustinus, A, Baillon, P, Bambade, P, Barao, F, Barbi, M, Barbiellini, G, Bardin, Dy, Barker, G, Baroncelli, A, Barring, O, Bates, Mj, Battaglia, M, Baubillier, M, Baudot, J, Becks, Kh, Begalli, M, Beilliere, P, Belokopytov, Y, Belous, K, Benvenuti, Ac, Berggren, M, Bertini, D, Bertrand, D, Besancon, M, Bianchi, F, Bigi, M, Bilenky, Ms, Billoir, P, Bizouard, Ma, Bloch, D, Blume, M, Bonesini, M, Bonivento, W, Booth, Psl, Borgland, Aw, Borisov, G, Bosio, C, Botner, O, Boudinov, E, Bouquet, B, Bourdarios, C, Bowcock, Tjv, Bozovic, I, Bozzo, M, Branchini, P, Brand, Kd, Brenke, T, Brenner, Ra, Bricman, C, Brown, Rca, Bruckman, P, Brunet, Jm, Bugge, L, Buran, T, Burgsmueller, T, Buschmann, P, Cabrera, S, Caccia, M, Calvi, M, Rozas, Ajc, Camporesi, T, Canale, V, Canepa, M, Cao, F, Carena, F, Carroll, L, Caso, C, Gimenez, Mvc, Cattai, A, Cavallo, Fr, Chabaud, V, Charpentier, P, Chaussard, L, Checchia, P, Chelkov, Ga, Chen, M, Chierici, R, Chliapnikov, P, Chochula, P, Chorowicz, V, Chudoba, J, Cindro, V, Collins, P, Contri, R, Cortina, E, Cosme, G, Cossutti, F, Cowell, Jh, Crawley, Hb, Crennell, D, Crosetti, G, Maestro, Jc, Czellar, S, Dahm, J, Dalmagne, B, Dam, M, Damgaard, G, Dauncey, Pd, Davenport, M, Dasilva, W, Deghorain, A, Dellaricca, G, Delpierre, P, Demaria, N, Deangelis, A, Deboer, W, Debrabandere, S, Declercq, C, Delavaissiere, C, DE LOTTO, Barbara, Demin, A, Depaula, L, Dijkstra, K, Diciaccio, L, Didiodato, A, Djannati, A, Dolbeau, J, Doroba, K, Dracos, M, Drees, J, Drees, Ka, Dris, M, Durand, Jd, Edsall, D, Ehret, R, Eigen, G, Ekelof, T, Ekspong, G, Elsing, M, Engel, Jp, Erzen, B, Santo, Me, Falk, E, Fanourakis, G, Fassouliotis, D, Feindt, M, Fenyuk, A, Ferrari, P, Ferrer, A, Fichet, S, Filippas, Ta, Firestone, A, Fischer, Pa, Foeth, H, Fokitis, E, Fontanelli, F, Formenti, F, Franek, B, Frodesen, Ag, Fruhwirth, R, Fuldaquenzer, F, Fuster, J, Galloni, A, Gamba, D, Gandelman, M, Garcia, C, Garcia, J, Gaspar, D, Gasparini, U, Gavillet, P, Gazis, En, Gele, D, Gerber, Jp, Gerdyukov, L, Gokieli, R, Golob, B, Goncalves, P, Gopal, G, Gorn, L, Gorski, M, Gouz, Y, Gracco, V, Graziani, E, Green, C, Grefrath, A, Gris, P, Grosdidier, G, Grzelak, K, Gumenyuk, S, Gunther, M, Guy, J, Hahn, F, Hahn, S, Hajduk, Z, Hallgren, A, Hamacher, K, Harris, Fj, Hedberg, V, Hernandez, Jj, Herquet, P, Herr, H, Hessing, Tl, Heuser, Jm, Higon, E, Hilke, Hj, Holmgren, So, Holt, Pj, Holthuizen, D, Hoorelbeke, S, Houlden, M, Hrubec, J, Huet, K, Hultqvist, K, Jackson, Jn, Jacobsson, R, Jalocha, P, Janik, R, Jarlskog, C, Jarlskog, G, Jarry, P, Jeanmarie, B, Johansson, Ek, Jonsson, L, Jonsson, P, Joram, C, Juillot, P, Kaiser, M, Kapusta, F, Karafasoulis, K, Karlsson, M, Katsanevas, S, Katsoufis, Ec, Keranen, R, Khokhlov, Y, Khomenko, Ba, Khovanski, Nn, King, B, Kjaer, Nj, Klapp, O, Klein, H, Kluit, P, Knoblauch, D, Kokkinias, P, Koratzinos, M, Korcyl, K, Kostioukhine, V, Kourkoumelis, C, Kouznetsov, O, Krammer, M, Kreuter, C, Kronkvist, L, Krumstein, Z, Krupinski, W, Kubinec, P, Kucewicz, W, Kurvinen, K, Lacasta, C, Laktineh, I, Lamsa, Jw, Lanceri, L, Lane, Dw, Langefeld, P, Laugier, Jp, Lauhakangas, R, Leder, G, Ledroit, F, Lefebure, V, Legan, Ck, Leisos, A, Leitner, R, Lemonne, J, Lenzen, G, Lepeltier, V, Lesiak, T, Libby, J, Liko, D, Lipniacka, A, Lippi, I, Loerstad, B, Loken, Jg, Lopez, Jm, Loukas, D, Lutz, P, Lyons, L, Maehlum, G, Mahon, Jr, Maio, A, Malmgren, Tgm, Malychev, V, Mandl, F, Marco, J, Marco, R, Marechal, B, Margoni, M, Marin, Jc, Mariotti, C, Markou, A, Martinezrivero, C, Martinezvidal, F, Garcia, Smi, Masik, J, Matorras, F, Matteuzzi, C, Matthiae, G, Mazzucato, M, Mccubbin, M, Mckay, R, Mcnulty, R, Medbo, J, Meroni, C, Meyer, S, Meyer, Wt, Michelotto, M, Migliore, E, Mirabito, L, Mitaroff, Wa, Mjoernmark, U, Moa, T, Moeller, R, Moenig, K, Monge, Mr, Morettini, P, Mueller, H, Muenich, K, Mulders, M, Mundim, Lm, Murray, Wj, Muryn, B, Myatt, G, Myklebust, T, Naraghi, F, Navarria, Fl, Navas, S, Nawrocki, K, Negri, P, Nemecek, S, Neumann, W, Neumeister, N, Nicolaidou, R, Nielsen, Bs, Nieuwenhuizen, M, Nikolaenko, V, Nikolenko, M, Niss, P, Nomerotski, A, Normand, A, Oberschultebeckmann, W, Obraztsov, V, Olshevski, Ag, Onofre, A, Orava, R, Orazi, G, Osterberg, K, Ouraou, A, Paganini, P, Paganoni, M, Pain, R, Palka, H, Papadopoulou, Td, Papageorgiou, K, Pape, L, Parkes, C, Parodi, F, Passeri, A, Pegoraro, M, Peralta, L, Pernegger, H, Pernicka, M, Perrotta, A, Petridou, C, Petrolini, A, Phillips, Ht, Piana, D, Pierre, F, Pimenta, M, Podobnik, T, Podobrin, O, Pol, Me, Polok, G, Poropat, P, Pozdniakov, V, Privitera, P, Pukhaeva, N, Pullia, A, Regler, M, Radojicic, D, Ragazzi, S, Rahmani, H, Ratoff, Pn, Read, Al, Reale, M, Rebecchi, P, Redaelli, Ng, Reid, D, Reinhardt, R, Renton, Pb, Resvanis, Lk, Richard, F, Richardson, J, Ridky, J, Rinaudo, G, Rohne, O, Romero, A, Ronchese, P, Roos, L, Rosenberg, Ei, Roudeau, P, Rovelli, T, Ruhlmannkleider, V, Ruiz, A, Rybicki, K, Saarikko, H, Sacquin, Y, Sadovsky, A, Sahr, O, Sajot, G, Salt, J, Sannino, M, Schneider, H, Schwickerath, U, Schyns, Mae, Sciolla, G, Scuri, Fabrizio, Seager, P, Sedykh, Y, Segar, Am, Seitz, A, Sekulin, R, Serbelloni, L, Shellard, Rc, Siegrist, P, Silvestre, R, Simonetto, F, Sisakian, An, Sitar, B, Skaali, Tb, Smadja, G, Smirnov, N, Smirnova, O, Smith, Gr, Solovianov, O, Sosnowski, R, Souzasantos, D, Spassov, T, Spiriti, E, Sponholz, P, Squarcia, S, Stampfer, D, Stanescu, C, Stanic, S, Stapnes, S, Stavitski, I, Stevenson, K, Stocchi, A, Strauss, J, Strub, R, Stugu, B, Szczekowski, M, Szeptycka, M, Tabarelli, T, Tavernet, Jp, Tchikilev, O, Tegenfeldt, F, Terranova, F, Thomas, J, Tilquin, A, Timmermans, J, Tkatchev, Lg, Todorov, T, Todorova, S, Toet, Dz, Tomaradze, A, Tome, B, Tonazzo, A, Tortora, L, Transtromer, G, Treille, D, Tristram, G, Trombini, A, Troncon, C, Tsirou, A, Turluer, Ml, Tyapkin, Ia, Tyndel, M, Tzamarias, S, Ueberschaer, B, Ullaland, O, Uvarov, V, Valenti, G, Vallazza, E, Vandervelde, C, Vanapeldoorn, Gw, Vandam, P, Vandoninck, Wk, Vaneldik, J, Vanlysebetten, A, Vassilopoulos, N, Vegni, G, Ventura, L, Venus, W, Verbeure, F, Verlato, M, Vertogradov, Ls, Vilanova, D, Vincent, P, Vitale, L, Vlasov, E, Vodopyanov, As, Vrba, V, Wahlen, H, Walck, C, Weilhammer, P, Weiser, C, Wetherell, Am, Wicke, D, Wickens, Jh, Wielers, M, Wilkinson, Gr, Williams, Wsc, Winter, M, Witek, M, Wlodek, T, Yi, J, Yip, K, Yushchenko, O, Zach, F, Zaitsev, A, Zalewska, A, Zalewski, P, Zavrtanik, D, Zevgolatakos, E, Zimin, Ni, Zucchelli, Gc, Zumerle, G.
المساهمون:	Institut de Physique Nucléaire de Lyon (IPNL), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Laboratoire de l'Accélérateur Linéaire (LAL), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Physique Corpusculaire et Cosmologie - Collège de France (PCC), Collège de France (CdF (institution))-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Institut de Recherches Subatomiques (IReS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Cancéropôle du Grand Est-Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS), Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Joseph Fourier - Grenoble 1 (UJF)-Centre National de la Recherche Scientifique (CNRS), DELPHI, Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Collège de France (CdF)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Aix Marseille Université (AMU), Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA), Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique (CNRS), LEP (IHEF, IoP, FNWI)
المصدر:	Zeitschrift für Physik C Particles and Fields Zeitschrift für Physik C Particles and Fields, Springer Verlag, 1997, 75, pp.581-592 Zeitschrift für Physik C Particles and Fields, 1997, 75, pp.581-592. ⟨10.1007/s002880050504⟩ BASE-Bielefeld Academic Search Engine Zeitschrift für Physik. C, Particles and Fields, 75. Springer Verlag
بيانات النشر:	Springer Science and Business Media LLC, 1997.
سنة النشر:	1997
مصطلحات موضوعية:	Physics, Particle physics, Annihilation, Photon, Muon, Physics and Astronomy (miscellaneous), 010308 nuclear & particles physics, Physics beyond the Standard Model, Electron–positron annihilation, 01 natural sciences, Helicity, Standard Model, Nuclear physics, 0103 physical sciences, Large Electron–Positron Collider, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Experiment, Nuclear Experiment, 010306 general physics, Particle Physics - Experiment
الوصف:	A study of the channel $e^{+}e^{-}~\rightarrow~\mu^{+}\mu^{-}\gamma_{\ sc ISR}$, where $\gamma_{\sc ISR}$ is an initial state radiation photon, is presented using data collected by the DELPHI experiment from 1991 to 1994. The total cross-section at effective annihilation energies ($\sqrt{s'}$) below the $Z^0$ peak is obtained by using the events with relatively hard initial state radiative photon(s) ($E_{\gamma}~ ~$~1~GeV). The differential cross-section as a function of the muon polar production angle is also determined in order to extract t s alhe forward-backward asymmetries for the reaction $e^+ e^- \rightarrow \mu^+ \mu^-$ at energies $\sqrt{s'}$ between 20 and 87~GeV. The ratio of the helicity cross-sections $\frac{\sigma_{LL}+\sigma_{RR}}{\sigma_{RL}+\sigma_{LR}}$, where the two subscripts stand for the helicities of the incoming $e^-$ and outgoing $\mu^-$ respectively, is extracted from the differential cross-sections in order to test the Standard Model and to look for new physics near 80 GeV. No deviations from the Standard Model were found.
وصف الملف:	application/pdf
تدمد:	1431-5858 0170-9739 1434-6052
الوصول الحر:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::32bb82d26e1ba6b0850de29b67c0a0fcTest https://doi.org/10.1007/s002880050504Test
حقوق:	OPEN
رقم الانضمام:	edsair.doi.dedup.....32bb82d26e1ba6b0850de29b67c0a0fc
قاعدة البيانات:	OpenAIRE

الوصف
تدمد:	14315858 01709739 14346052