Catalogo Articoli (Spogli Riviste)

OPAC HELP

Titolo:
Low mass dimuon production in proton and ion induced interactions at the SPS
Autore:
Abreu, MC; Alessandro, B; Alexa, C; Arnaldi, R; Astruc, J; Atayan, M; Baglin, C; Baldisseri, A; Baldit, A; Bedjidian, M; Bellaiche, F; Beole, S; Boldea, V; Bordalo, P; Bussiere, A; Capony, V; Casagrande, L; Castor, J; Chambon, T; Chaurand, B; Chevrot, I; Cheynis, B; Chiavassa, E; Cicalo, C; Comets, MP; Constans, N; Constantinescu, S; Contardo, D; De Falco, A; Dellacasa, G; De Marco, N; Descroix, E; Devaux, A; Dita, S; Drapier, O; Espagnon, B; Fargeix, J; Ferreira, R; Filippov, SN; Fleuret, F; Force, P; Gallio, M; Gavrilov, YK; Gerschel, C; Giubellino, P; Golubeva, MB; Gonin, M; Gorodetzky, P; Grigorian, AA; Grossiord, JY; Guber, FF; Guichard, A; Guillaud, JP; Gulkanyan, H; Hakobyan, R; Haroutunian, R; Idzik, M; Jouan, D; Karavitcheva, TL; Kluberg, L; Kossakowski, R; Kurepin, AB; Le Bornec, Y; Liaud, P; Lourenco, C; Mac Cormick, M; Macciotta, P; Marzari-Chiesa, A; Masera, M; Masoni, A; Mehrabyan, S; Monteno, M; Mourgues, S; Musso, A; Ohlsson-Malek, F; Petiau, P; Piccotti, A; Pizzi, JR; Prino, F; Puddu, G; Quintans, C; Racca, C; Scomparin, E; Serci, S; Shahoyan, R; Silva, S; Sitta, M; Soave, C; Sonderegger, P; Staley, F; Tarrago, X; Topilskaya, NS; Usai, GL; Varela, J; Vercellin, E; Willis, N;
Indirizzi:
CERN, Geneva, Switzerland CERN Geneva SwitzerlandCERN, Geneva, Switzerland Ist Nazl Fis Nucl, I-10125 Turin, Italy Ist Nazl Fis Nucl Turin Italy I-10125 azl Fis Nucl, I-10125 Turin, Italy LAPP, CNRS, IN2P3, Annecy Le Vieux, France LAPP Annecy Le Vieux FranceLAPP, CNRS, IN2P3, Annecy Le Vieux, France Univ Blaise Pascal, IN2P3 CNRS, LPC, Aubiere, France Univ Blaise Pascal Aubiere France cal, IN2P3 CNRS, LPC, Aubiere, France IFA, Inst Atom Phys, Bucharest, Romania IFA Bucharest RomaniaIFA, Inst Atom Phys, Bucharest, Romania Univ Cagliari, Ist Nazl Fis Nucl, Cagliari, Italy Univ Cagliari CagliariItaly gliari, Ist Nazl Fis Nucl, Cagliari, Italy LIP, Lab Instrumentacao & Fis Expt Particulas, P-1000 Lisbon, Portugal LIP Lisbon Portugal P-1000 Fis Expt Particulas, P-1000 Lisbon, Portugal INR, Moscow, Russia INR Moscow RussiaINR, Moscow, Russia Univ Paris 11, IN2P3 CNRS, IPNO, Orsay, France Univ Paris 11 Orsay France iv Paris 11, IN2P3 CNRS, IPNO, Orsay, France Ecole Polytech, IN2P3 CNRS, LPNHE, Palaiseau, France Ecole Polytech Palaiseau France h, IN2P3 CNRS, LPNHE, Palaiseau, France Univ Strasbourg 1, IN2P3 CNRS, Ctr Rech Nucl, Strasbourg, France Univ Strasbourg 1 Strasbourg France , Ctr Rech Nucl, Strasbourg, France Univ Toronto, Ist Nazl Fis Nucl, Turin, Italy Univ Toronto Turin ItalyUniv Toronto, Ist Nazl Fis Nucl, Turin, Italy Univ Lyon 1, IN2P3 CNRS, IPNL, Villeurbanne, France Univ Lyon 1 Villeurbanne France IN2P3 CNRS, IPNL, Villeurbanne, France YerPhI, Yerevan, Armenia YerPhI Yerevan ArmeniaYerPhI, Yerevan, Armenia
Titolo Testata:
EUROPEAN PHYSICAL JOURNAL C
fascicolo: 1, volume: 13, anno: 2000,
pagine: 69 - 78
SICI:
1434-6044(200003)13:1<69:LMDPIP>2.0.ZU;2-0
Fonte:
ISI
Lingua:
ENG
Soggetto:
ELECTRON-PAIR PRODUCTION; PB-PB INTERACTIONS; AU COLLISIONS; NUCLEAR COLLISIONS; PARTON DISTRIBUTIONS; TRANSVERSE-MOMENTUM; MUON PAIRS; 158 GEV/C; 450 GEV/C; ENERGY;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
41
Recensione:
Indirizzi per estratti:
Indirizzo: Abreu, MC CERN, Geneva, Switzerland CERN Geneva SwitzerlandCERN, Geneva, Switzerland
Citazione:
M.C. Abreu et al., "Low mass dimuon production in proton and ion induced interactions at the SPS", EUR PHY J C, 13(1), 2000, pp. 69-78

Abstract

The low mass dimuon spectra collected in p-U collisions by the NA38 experiment significantly exceeds the total cross section expected from previous analysis, done by other experiments. The 'excess' events have a harder p(T) distribution than the muon pairs from eta and omega Dalitz decays, expectedto dominate the mass window 0.4-0.65 GeV/c(2). We conjecture that the excess events may be due to q (q) over bar annihilations, negligible at low p(T) but made visible by the m(T) cut applied in the NA38 data. Taking this assumption to parametrise the p-U spectra, we proceed with the corresponding analysis of the S-Cu, S-U and Pb-Pb data, collected by the NA38 and NA50 experiments, comparing the measured low mass dimuon spectra with the 'expected cocktail'.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 28/11/20 alle ore 21:33:48