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Titolo:
A possible evidence of Coulomb fission in lead-lead collisions at the CERNSPS
Autore:
Abreu, MC; Alessandro, B; Alexa, C; Arnaldi, R; Astruc, J; Atayan, M; Baglin, C; Baldit, A; Bardi, L; 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; Constantinescu, S; Cruz, J; DeFalco, A; DeMarco, N; Dellacasa, G; Devaux, A; Dita, S; Drapier, O; Espagnon, B; Fargeix, J; Filippov, SN; Fleuret, F; Force, P; Gallio, M; Gavrilov, YK; Gerschel, C; Giubellino, P; Golubeva, MB; Gonin, M; Grigorian, AA; Grossiord, JY; Guber, FF; Guichard, A; Gulkanyan, H; Hakobyan, R; Haroutunian, R; Idzik, M; Jouan, D; Karvitcheva, TL; Kluberg, L; Kurepin, AB; Le Bornec, Y; Lourenco, C; MacCormick, M; Macciotta, P; Marzari-Chiesa, A; Masera, M; Masoni, A; Mehrabyan, S; Mourgues, S; Musso, A; Ohlsson-Malek, F; Petiau, F; Piccotti, A; Pizzi, JR; da Silva, WLP; Puddu, G; Quintans, C; Racca, C; Ramello, L; Ramos, S; Rato-Mendes, P; Riccati, L; Romana, A; Sartori, S; Saturnini, P; Scomparin, E; Serci, S; Shahoyan, R; Silva, S; Soave, C; Sonderegger, P; Tarrago, X; Temnikov, F; Topilskaya, NS; Usai, GL; Vale, C; Vercellini, E; Willis, N;
Indirizzi:
LIP, P-1000 Lisbon, Portugal LIP Lisbon Portugal P-1000LIP, P-1000 Lisbon, Portugal LAPP, CNRS, IN2P3, Annecy Le Vieux, France LAPP Annecy Le Vieux FranceLAPP, CNRS, IN2P3, Annecy Le Vieux, France Univ Blaise Pascal, LPC, Aubiere, France Univ Blaise Pascal Aubiere France v Blaise Pascal, LPC, Aubiere, France CNRS, IN2P3, Aubiere, France CNRS Aubiere FranceCNRS, IN2P3, Aubiere, France IFA, Bucharest, Romania IFA Bucharest RomaniaIFA, Bucharest, Romania Univ Cagliari, Ist Nazl Fis Nucl, Cagliari, Italy Univ Cagliari CagliariItaly gliari, Ist Nazl Fis Nucl, Cagliari, Italy CERN, Geneva, Switzerland CERN Geneva SwitzerlandCERN, Geneva, Switzerland INR, Moscow, Russia INR Moscow RussiaINR, Moscow, Russia Univ Paris 11, Inst Phys Nucl, F-91406 Orsay, France Univ Paris 11 OrsayFrance F-91406 Inst Phys Nucl, F-91406 Orsay, France CNRS, IN2P3, F-91405 Orsay, France CNRS Orsay France F-91405CNRS, IN2P3, F-91405 Orsay, France Ecole Polytech, LPNHE, Palaiseau, France Ecole Polytech Palaiseau France cole Polytech, LPNHE, Palaiseau, France CNRS, IN2P3, F-91128 Palaiseau, France CNRS Palaiseau France F-91128CNRS, IN2P3, F-91128 Palaiseau, France Univ Strasbourg 1, IReS, Strasbourg, France Univ Strasbourg 1 StrasbourgFrance asbourg 1, IReS, Strasbourg, France CNRS, IN2P3, Strasbourg, France CNRS Strasbourg FranceCNRS, IN2P3, Strasbourg, France Univ Turin, Ist Nazl Fis Nucl, Turin, Italy Univ Turin Turin ItalyUniv Turin, Ist Nazl Fis Nucl, Turin, Italy Univ Lyon 1, IPN, F-69622 Villeurbanne, France Univ Lyon 1 Villeurbanne France F-69622 PN, F-69622 Villeurbanne, France CNRS, IN2P3, Villeurbanne, France CNRS Villeurbanne FranceCNRS, IN2P3, Villeurbanne, France YerPhI, Yerevan, Armenia YerPhI Yerevan ArmeniaYerPhI, Yerevan, Armenia
Titolo Testata:
NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA A-NUCLEI PARTICLES AND FIELDS
fascicolo: 8-9, volume: 111, anno: 1998,
pagine: 963 - 969
SICI:
1124-1861(199808/09)111:8-9<963:APEOCF>2.0.ZU;2-U
Fonte:
ISI
Lingua:
ENG
Soggetto:
CROSS-SECTIONS; PB;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
12
Recensione:
Indirizzi per estratti:
Indirizzo: Abreu, MC LIP, P-1000 Lisbon, Portugal LIP Lisbon Portugal P-1000LIP, P-1000 Lisbon, Portugal
Citazione:
M.C. Abreu et al., "A possible evidence of Coulomb fission in lead-lead collisions at the CERNSPS", NUOV CIM A, 111(8-9), 1998, pp. 963-969

Abstract

The NA50 experiment at CERN SPS has been equipped with a quartz Cherenkov detector to-measure the charge of projectile-like fragments emitted in inter actions of the lead beam of 158 A GeV with a lead target. A fission peak has been observed in the light output distribution of the fragment detectorThe information provided by the NA50 zero-degree calorimeter indicates that fission occurs in extremely peripheral collisions, compatible (within theresolution of the detector) with electromagnetic interaction. The expectedyield of Coulomb fission events in our experimental condition has been evaluated and turns out to be about 40% smaller than the observed one.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 05/12/20 alle ore 22:23:07