Measurement of the mass and width of the Z0-particle from multihadronic final states produced in e+e− annihilations

Aarnio, P.; Abreu, P.; Adam, W.; Adrianos, P.; Adye, T.; Akopdzhanov, G. A.; Alekseev, G. D.; Allaby, J.; Allen, P.; Allport, P. P.; Almehed, S.; Alvsvaag, S. J.; Amaldi, U.; Anassontzis, E.; Antilogus, P.; Apel, W. D.; Aria, E.; Åsman, B.; Astesan, F.; Ferreres, C. Astor; Aubret, C.; Augustin, J. E.; Augustinus, A.; Baillon, P.; Barão, F.; Barbiellini, G.; Bardin, D. Y.; Barlag, S.; Barlow, J.; Baroncelli, A.; Barranco-Luque, M.; Barreira, G.; Bärring, O.; Bartl, W.; Bates, M. J.; Baubillier, M.; Becks, K. H.; Beeston, C.; Bell, W. H.; Belokopytov, I.; Beltran, P.; Benedic, D.; Benlloch, J.; Berggren, M.; Berst, J.D.; Bertrand, Daniel; Biagi, S.; Bianchi, F.; Bibby, J.H.; Bilenky, M. S.; Billoir, P.; Bingefors, N.; Bjarne, J.; Blöch, D.; Bogolubov, P. N.; Bollini, D.; Bolognese, T.; Bonapart, M.; Booth, P.S.L.; Boratav, M.; Borgeaud, P.; Borner, H.; Bosio, C.; Botner, O.; Bouquet, B.; Bozzo, M.; Braibant, S.; Branchini, P.; Brand, C.; Brand, K. D.; Bricman, C.; Brown, R. M.; Brümmer, N.; Brunet, J. M.; Bugge, L.; Buran, T.; Burmeister, H.; Buttar, C. M.; Buytaert, J.; Cabras, G.; Caccia, M.; Cairanti, S.; Calvi, M.; Rozas, A. Camacho; Campagne, J. E.; Campion, A.; Camporesi, T.; Canale, V.; Cao, F.; Carroll, L.; Caso, C.; Castelli, E.; Gimenez, V. Castillo; Cattai, A.; Cavallo, F. R.; Cerrito, L.; Chadwick, G. B.; Charpentier, Ph.; Checchia, P.; Chelkov, G. A.; Chevalier, L.; Chiccoli, C.; Chliapnikov, P.; Chorowicz, V.; Christophel, E.; Cirio, R.; Clara, M.P.; Contreras, J. L.; Contri, R.; Couchot, F.; Courty, P.; Crawley, H. B.; Crennell, D.; Cresti, M.; Croissiaux, M.; Crosetti, G.; Crosland, N.; Crozon, M.; Maestro, J. Cuevas; Curwen, L.S.; Czellár, S.; Dahl‐Jensen, E.; Dalmagne, B.; Dam, M.; Damgaard, G.; Darbo, G.; Daubie, E.; Davenport, M.; Deangelis, A.; Debeer, M.; Clercq, C. De; DeGroot, N.; Dejode, M.; Delavaissiere, C.; Delikaris, D.; Delpierre, P.; DiCiaccio, L.; Diddens, A.N.; Dijkstra, H.; Dimitriou, Nikos; Djama, F.; Dolbeau, J.; Doroba, K.; Downs, R.; Dracos, M.; Drees, J.; Dris, M.; Du, S. X.; Dulinski, W.; Dzhelyadin, R.; Edwards, David; Eek, L. O.; Eerola, P.; Ekelöf, T.; Ekspong, G.; Ellila, M.; Engel, J. P.; Falaleev, V.; Fenyuk, A. B.; Alonso, M. Fernández; Ferrer, A.; Ferroni, S.; Filippas, T. A.; Firestone, A.; Fischer, H. G.; Fjeld, Bente; Flinn, M.; Foeth, H.; Fokitis, E.; Folegati, P.; Fontanelli, F.; Forsbach, H.; Fraissard, D.; Franek, B.; Fransson, K.; Frenkiel, P.; Fries, D. C.; Froberger, J.P.; Frodesen, A. G.; Frühwirth, R.; Fulda-Quenzer, F.; Fuster, J.; Gago, J.; Gaillard, Mary K.; Galeazzi, G.; Gamba, D.; Garat, C.; Gaspar, C.; Gasparini, U.; Gavillet, Ph.; Gawne, S.; Gazis, E. N.; Genat, J.F.; Gerber, J.; Glitza, K. W.; Gokieli, R.; Golovatyuk, V.; Gomes, Pedro S.; Goobar, A.; Gopal, G. P.; Gorbics, M.; Goret, B.; Górski, M.; Goujon, G.; Gracco, V.; Grant, A.; Grard, F.; Graziani, E.; Grillet, J.P.; Gros, M. H.; Grosdidier, G.; Grossetete, B.; Grung, Bjørn; Guglielmi, L.; Gumenyuk, S.; Guy, J.; Hahn, F.; Haider, S.; Haïssinski, J.; Hajduk, Z.; Hakansson, A.; Hallgren, A.; Hamacher, K.; Demonchenault, G. H.; Harris, F. J.; Heck, B.; Herbst, I.; Hernández, J. J.; Herquet, P.; Herr, H.; Higón, E.; Hilke, H. J.; Hofmann, H.; Hofmokl, T.; Holmgren, S. O.; Hooper, J. E.; Horisberger, R.; Houlden, M.; Hrisoho, A.; Hrubec, J.; Huitu, Katri; Hulth, P. O.; Hultqvist, K.; Husson, D.; Hyams, B.; Imbault, D.; Innocente, M.; Ioannou, P.; Iversen, P. S.; Jackson, J. N.; Jałocha, P.; Jarlskog, G.; Jarry, P.; Jean‐Marie, B.; Joensuu, Johanna; Johansson, Erik; Johansson, H.; Johansson, S.; Jonker, M.; Juillot, P.; Kadyrov, R.B.; Kadyshevsky, V. G.; Kalkanis, G.; Kalmus, G.; Kantardjian, G.; Katsanevas, S.; Katsoufis, E.; Keränen, R.; Kesteman, J.; Khomenko, B. A.; Khovanski, N. N.; King, B. T.; Kisielewski, B.; Klein, H.; Klempt, W.; Klovning, A.; Kluit, P.; Koene, B.; Kokkinias, P.; Kontaxis, T.; Kopf, M.; Koratzinos, M.; Korcyl, K.; Korytov, A.; Korzen, B.; Kostarakis, P.; Kourkoumelis, C.; Kremizis, P.; Kreuzberger, T.; Królikowski, J.; Krstić, J.; Kucewicz, W.; Kuhn, George F.; Kurvinen, K.; Laakso, Mikko; Lambropoulos, C.; Lanceri, L.; Langerveld, D.; Lapin, V.; Laugier, J. P.; Lauhakangas, R.; Laurikainen, P.; Lavigne, B.; Legrand, Julie; Lebbolo, H.; Lebreton, E.; Leder, G.; Lemonne, J.; Lenzen, G.; Lepeltier, V.; Lidbury, J.; Lieb, E.; Lillestøl, Egil; Lillethun, E.; Lippi, I.; Llosá, R.; Loerstad, B.; Loken, J.; Aguera, M. Lopez; Lorenz, P.; Loukas, D.; Lucock, R.; Lund‐Jensen, B.; Lutz, P.; Lyons, L.; Mæhlum, G.; Maeland, O.A.; Maillard, J.; Makoussis, A.; Maltezos, A.; Mandl, F.; Marco, J.; Marin, J. C.; Μάρκου, Α.; Mathis, L.; Matteuzzi, C.; Matthiae, G.; Mattsson, Lars; Mayet, N.; Mazzucato, M.; McCubbin, M.; McKay, R.; Menichetti, E.; Meroni, C.; Meyer, W. T.; Michael, M.; Michałowski, J.; Mitaroff, W.; Mitselmakher, G.; Mjoernmark, U.; Moa, T.; Moeller, R.; Mönig, K.; Monge, R.; Montalbano, Gabriele; Morettini, P.; Mueller, H.; Müller, H.; Mur, Marieke; Muryn, B.; Myatt, G.; Navarria, F. L.; Negri, P.; Nielsen, B. S.; Nigro, M.; Nikolaenko, V.; Noppe, J.M.; Nordberg, M.; Nounos, S.; Obraztsov, V.; Orava, R.; Ouraou, A.; Pagot, J.; Pain, R.; Pakonski, K.; Pałka, H.; Lopes, S. Palma; Papadopoulou, Th. D.; Pape, L.; Pasini, Patrizia; Passeneau, J.; Passeneau, M.; Passeri, A.; Pattison, J.B.M.; Pegoraro, M.; Perevozchikov, V.; Perez, J. A. Coarasa; Pernicka, M.; Perrotta, A.; Petrucci, Guido; Pettersen, T.E.; Pimenta, M.; Pingot, O.; Pinori, C.; Pinsent, Andrew; Poiret, C.; Pol, M. E.; Poliakov, B.; Polok, G.; Poropat, P.; Privitera, P.; Pullia, A.; Pyyhtia, J.; Quéru, P.; Quinton, S.; Rademakers, A.; Radojičić, D.; Ragazzi, S.; Ragazzon, R.; Range, W.H.; Raoul, J.C.; Ratoff, P. N.; Read, A. L.; Redaelli, N.; Regler, M.; Reid, D.; Reis, Marcos Vinícius de Freitas; Renton, P.; Resvanis, L. K.; Richard, F.; Řídký, J.; Rinaudo, G.; Romaya, A.M.; Romero, A.; Roncagliolo, I.; Ronchese, P.; Rongved, R.; Rosenberg, E. I.; Rossel, F.; Rosso, E.; Roudeau, P.; Rovelli, T.; Ruhlmann, V.; Ruiz, A.; Rybicki, K.; Saarikko, H.; Sacco, D.; Sacquin, Y.; Sadovsky, A.; Salgado, C.W.; Salt, J.; Samarin, A.; Sánchez, E.; Sanchís, E.; Sannino, M.; Schaeffer, M.; Schneider, H.; Scuri, F.; Sebastiá, A.; Segar, A. M.; Sekulin, R.; Sessa, M.; Sette, G.; Seufert, R.; Shellard, R. C.; Siegrist, P.; Simonetti, S.; Simonetto, F.; Skaali, T. B.; Skeens, J.; Skjevling, G.; Smadja, G.; Smith, G. R.; Sosnowski, R.; Spang, Katrine Søborg; Spassov, T.; Spentzouris, P.; Spiriti, E.; Squarcia, S.; Staeck, H.; Stănescu, C.; Stavropoulos, G.; Stichelbaut, F.; Stocchi, A.; Strauss, J.; Strub, R.; Sundell, E.; Szczekowski, M.; Szeptycka, M.; Szymański, P.; Tavernier, S.; Theodosiou, G.; Tilquin, A.; Timmermans, J.; Ткачев, Л.; Toet, D. Z.; Topp-Jørgensen, S.; Topphol, A.K.; Tortora, L.; Treille, D.; Trevisan, U.; Tristram, G.; Troncon, C.; Truong, T.K.; Tsyganov, E. N.; Turała, M.; Turchetta, R.; Turlot, J.P.; Turluer, M. L.; Tuuva, T.; Tyapkin, I. A.; Tyndel, M.; Tyurin, N.; Udo, F.; Ueberschaer, S.; Ullaland, O.; Valenti, G.; Vanapeldoorn, G.; Vandam, P.; Vandoninck, W; Vaneijk, B.; Vaneijndhoven, N.; Vandervelde, C.; Vanuxem, J.P.; Varela, J.; Vaz, P.; Vegni, G.; Veitch, M. E.; Vela, E.; Velasco, J.; Ventura, L.; Vénus, W.; Verbeure, F.; Vergezac, P.; Vilanova, D.; Melo, L.V.; Vlasov, E.; Vlassopoulos, S.; Vodopianov, A.; Vollmer, M.; Volponi, S.; Voulgaris, G.; Voutilainen, M.; Vrba, V.; Wahlen, H.; Walck, C.; Waldner, F.; Wayne, M.; Weilhammer, P.; Werner, John S.; Wetherell, A. M.; Wickens, J.; Williams, W. S. C.; Winter, M.; Witecki, B.; Wormser, G.; Woschnagg, K.; Yamdagni, N.; Yelton, J.; Zaitsev, A.; Zalewska, A.; Zalewski, P.; Zevgolatakos, E.; Zhang, G.; Zimin, N. I.; Zinchenko, A.; Zito, M.; Zitoun, R.; Funchal, R. Zukanovich; Zumerle, G.

doi:10.1016/0370-2693(89)90706-5

Cited by 207 publications

(17 citation statements)

References 11 publications

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“…The LEP collaborations performed the first Z line shape analyzes. We were closely related to the L3 collaboration [151,152,153,154,155,156,157,158] and to DELPHI [159,160,161,162,163]. A review of the latter is [164].…”

Section: Competition and Cooperation 51 1989 -First Lep Publicationsmentioning

confidence: 99%

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The ZFITTER project

Akhundov

Arbuzov

Riemann³

et al. 2014

Phys. Part. Nuclei

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Section: Competition and Cooperation 51 1989 -First Lep Publicationsmentioning

confidence: 99%

“…A review of the latter is [164]. Among the first DELPHI papers was [159]. From the ZFITTER group, D. Bardin and G. Mitselmakher were DELPHI authors.…”

Section: Competition and Cooperation 51 1989 -First Lep Publicationsmentioning

confidence: 99%

The ZFITTER project

Akhundov

Arbuzov

Riemann³

et al. 2014

Phys. Part. Nuclei

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“…Running resumed on 20 September with superconducting quadrupoles and in just three weeks, until 9 October, 3000 Zs were collected in each of the experiments. By 13 October, a seminar was organized at CERN where the four collaborations presented their first results, [5][6][7][8][9] shown in Table 1. The day before, SLC had organized a public conference where updated results had been presented, 9 based on 480 events.…”

Section: Determination Of the Number Of Light Neutrino Species At Lepmentioning

confidence: 99%

The number of neutrinos and the Z line shape

Blondel

2002

Comptes Rendus. Physique

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The Standard Theory can fit any number of fermion families, as long as the number of leptons and quark families are the same. At the time of the conception of LEP, the number of such families was unknown, and it was feared that the Z resonance would be washed out by decaying into so many families of neutrinos! It took only a few weeks in the fall of 1989 to determine that the number is three. The next six years (from 1990 to 1995) were largely devoted to the accurate determination of the Z line shape, with a precision that outperformed the most optimistic expectations by a factor of 10. The tale of these measurements is a bona fide mystery novel, the precession of electrons being strangely perturbed by natural phenomena, such as tides, rain, hydroelectric power, fast trains, not to mention vertical electrostatic separators. The number hidden in the loops of this treasure hunt was 179, the first estimate of the mass of the top quark; then, once that was found, where predicted, the next number was close to zero: the logarithm of Higgs mass divided by that of the Z. Twenty years later, the quality of these measurements remains, but what they tell us is different: it is no longer about unknown parameters of the Standard Theory, it is about what lies beyond it. This is so acutely relevant, that CERN has launched the design study of a powerful Z, W, H and top factory.

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“…In 1989, after only a few months of data taking with the new LEP accelerator, studies of the Z boson lifetime revealed that there are three neutrino families [19,20,21,22]. It wasn't until 2001 however that the third neutrino, the ν τ , was directly observed by the DONUT [23] experiment.…”

Section: Neutrino Oscillationsmentioning

confidence: 99%

A study of neutrino oscillations in MINOS

Raufer¹

2007

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MINOS is a long-baseline neutrino oscillations experiment located at Fermi National Accelerator Laboratory (FNAL), USA. It makes use of the NuMI neutrino beamline and two functionally identical detectors located at distances of ∼1 km and ∼735 km from the neutrino production target respectively. The Near Detector measures the composition and energy spectrum of the neutrino beam with high precision while the Far Detector looks for evidence of neutrino oscillations.This thesis presents work conducted in two distinct areas of the MINOS experiment: analysis of neutral current and charged current interactions. While charged current events are only sensitive to muon neutrino disappearance, neutral current events can be used to distinguish oscillations into sterile neutrinos from those involving only active neutrino species.A complete, preliminary neutral current study is performed on simulated data. This is followed by a more detailed investigation of neutral current neutrino interactions in the MINOS Near Detector. A procedure identifying neutral current interactions and rejecting backgrounds due to reconstruction failures is developed. Two distinct event classification methods are investigated. The selected neutral current events in the Near Detector are used to extract corrections to the neutral current cross-section in the MINOS Monte Carlo simulation as a function of energy. The resulting correction factors are consistent with unity.The main MINOS charged current neutrino disappearance analysis is described. We present the Monte Carlo tuning procedure, event selection, extrapolation from Near to Far Detector and fit for neutrino oscillations. Systematic errors on this measurement are evaluated and discussed in detail. The data are consistent with neutrino oscillations with the following parameters: 2.74

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Measurement of the mass and width of the Z0-particle from multihadronic final states produced in e+e− annihilations

Cited by 207 publications

References 11 publications

The ZFITTER project

The ZFITTER project

The number of neutrinos and the Z line shape

A study of neutrino oscillations in MINOS

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