NSR Query Results
Output year order : Descending NSR database version of May 2, 2024. Search: Author = M.C.Abreu Found 26 matches. 2002AB07 Phys.Lett. 530B, 33 (2002) M.C.Abreu, and the NA50 Collaboration Pseudorapidity Distributions of Charged Particles as a Function of Centrality in Pb-Pb Collisions at 158 and 40 GeV per Nucleon Incident Energy NUCLEAR REACTIONS Pb(Pb, X), E=40, 158 GeV/nucleon; measured charged-particle pseudorapidity distributions and average pseudorapidities as a function of the centrality of the collision, using a Zero degree calorimeter and a transverse energy measurement.
doi: 10.1016/S0370-2693(02)01352-7
2002AB08 Phys.Lett. 530B, 43 (2002) M.C.Abreu, and the NA50 Collaboration Scaling of Charged Particle Multiplicity in Pb-Pb Collisions ar SPS Energies NUCLEAR REACTIONS Pb(Pb, X), E=40, 158 GeV/nucleon; measured charged particle pseudorapidity distributions as a function of the centrality of the collision; deduced parameters of pseudorapidity distributions and pseudorapidity density per participant pair vs center of mass energy. Comparison with other data.
doi: 10.1016/S0370-2693(02)01353-9
2001AB04 Phys.Lett. 499B, 85 (2001) M.C.Abreu, and the NA50 Collaboration Transverse Momentum Distributions of J/ψ, ψ', Drell-Yan and Continuum Dimuons Produced in Pb-Pb Interactions at the SPS NUCLEAR REACTIONS Pb(Pb, X), E at 158 GeV/c/nucleon; measured dimuon, J/ψ, ψ', and Drell-Yan invariant mass spectra, transverse momentum distributions vs centrality.
doi: 10.1016/S0370-2693(01)00019-3
2001AB35 Phys.Lett. 521B, 195 (2001) M.C.Abreu, and the NA50 Collaboration The Dependence of the Anomalous J/ψ Suppression on the Number of Participant Nucleons NUCLEAR REACTIONS Pb(Pb, X), E=high; analyzed J/ψ yields vs forward hadronic energy; deduced steep onset of anamolous supression.
doi: 10.1016/S0370-2693(01)01225-4
2000AB12 Phys.Lett. 477B, 28 (2000) M.C.Abreu, and the NA50 Collaboration Evidence for Deconfinement of Quarks and Gluons from the J/ψ Suppression Pattern Measured in Pb-Pb Collisions at the CERN-SPS NUCLEAR REACTIONS Pb(Pb, X), E=158 GeV/nucleon; measured relative J/ψ production σ; deduced no saturation features in supression, possible quark, gluon deconfinement.
doi: 10.1016/S0370-2693(00)00237-9
2000AB17 Eur.Phys.J. C 13, 69 (2000) M.C.Abreu, and the NA38 and NA50 Collaborations Low Mass Dimuon Production in Proton and Ion Induced Interactions at the SPS NUCLEAR REACTIONS U(p, X), U, Cu(S, X), E=200 GeV/nucleon; Pb(Pb, X), E=158 GeV/nucleon; measured dimuon mass spectra; deduced low-mass excess from q(q-bar) annihilations.
doi: 10.1007/s100520000288
2000AB33 Eur.Phys.J. C 14, 443 (2000) M.C.Abreu, and the NA38 and NA50 Collaborations Dimuon and Charm Production in Nucleus-Nucleus Collisions at the CERN-SPS NUCLEAR REACTIONS U(S, X), Pb(Pb, X), 27Al, Cu, Ag, W(p, X), E=high; analyzed dimuon production data; deduced excess for nucleus-nucleus data.
doi: 10.1007/s100520000373
1999AB05 Phys.Rev. C59, 876 (1999) M.C.Abreu, and the NA50 Collaboration Observation of Fission in Pb-Pb Interactions at 158A GeV NUCLEAR REACTIONS Pb(208Pb, X), E=158 GeV/nucleon; measured projectile-like fragments charge distribution; deduced projectile fission.
doi: 10.1103/PhysRevC.59.876
1999AB10 Phys.Lett. 449B, 128 (1999) M.C.Abreu, and the NA38 Collaboration J/ψ, ψ' and Drell-Yan Production in S-U Interactions at 200 GeV Per Nucleon NUCLEAR REACTIONS U(S, X), E=200 GeV/nucleon; measured J/ψ, ψ', Drell-Yan production σ, centrality dependence.
doi: 10.1016/S0370-2693(99)00057-X
1999AB32 Phys.Lett. 450B, 456 (1999) M.C.Abreu, and the NA50 Collaboration Observation of a Threshold Effect in the Anomalous J/ψ Suppression NUCLEAR REACTIONS Pb(Pb, X), E at 158 GeV/c/nucleon; measured muon pair invariant mass spectra; deduced anomalous J/ψ suppression, threshold effect.
doi: 10.1016/S0370-2693(99)00178-1
1999AB41 Phys.Lett. 466B, 408 (1999) M.C.Abreu, and the NA38 Collaboration J/ψ and ψ' Production in p, O and S Induced Reactions at SPS Energies NUCLEAR REACTIONS Cu, W, U(p, X), E=200 GeV; 1,2H, C, 27Al, Cu, W(p, X), E=450 GeV; Cu, U(O, X), E=200 GeV/nucleon; U(S, X), E=200 GeV/nucleon; measured J/ψ, ψ' yields vs centrality; deduced mass dependence, related features.
doi: 10.1016/S0370-2693(99)01108-9
1998AB17 Phys.Lett. 423B, 207 (1998) M.C.Abreu, and the NA38 Collaboration Transverse Momentum of J/ψ, ψ' and Mass Continuum Muon Pairs Produced in 32S-U Collisions at 200 GeV/c per Nucleon NUCLEAR REACTIONS U(S, X), E at 200 GeV/c/nucleon; measured muon pair mass, transverse momentum distributions; deduced J/ψ, ψ' transverse momentum.
doi: 10.1016/S0370-2693(98)00088-4
1998AB37 Phys.Lett. 438B, 35 (1998) M.C.Abreu, and the NA51 Collaboration J/ψ, ψ' and Drell-Yan Production in pp and pd Interactions at 450 GeV/c NUCLEAR REACTIONS 1,2H(p, X), E at 450 GeV/c; measured muon pairs invariant mass spectra; deduced J/ψ, ψ', Drell-Yan events yields.
doi: 10.1016/S0370-2693(98)01014-4
1998AB47 Phys.Lett. 444B, 516 (1998) M.C.Abreu, C.Baglin, A.Baldit, M.Bedjidian, P.Bordalo, A.Bussiere, P.Busson, J.Castor, T.Chambon, C.Charlot, B.Chaurand, D.Contardo, E.Descroix, A.Devaux, O.Drapier, B.Espagnon, J.Fargeix, R.Ferreira, F.Fleuret, P.Force, L.Fredj, J.Gago, C.Gerschel, P.Gorodetzky, J.Y.Grossiord, A.Guichard, J.P.Guillaud, R.Haroutunian, D.Jouan, L.Kluberg, R.Kossakowski, G.Landaud, C.Lourenco, R.Mandry, F.Ohlsson-Malek, J.R.Pizzi, C.Racca, S.Ramos, A.Romana, P.Saturnini, S.Silva, P.Sonderegger, X.Tarrago, J.Varela, F.Vazeille, and the NA38 Collaboration Charmonia Production in 450 GeV/c Proton Induced Reactions NUCLEAR REACTIONS C, 27Al, Cu, W(p, X), E at 450 GeV/c; measured dimuon mass, transverse momentum, rapidity spectra; deduced J/ψ, ψ' production σ.
doi: 10.1016/S0370-2693(98)01398-7
1998AB48 Nuovo Cim. 111A, 963 (1998) M.C.Abreu, and the NA50 Collaboration A Possible Evidence of Coulomb Fission in Lead-Lead Collisions at the CERN SPS NUCLEAR REACTIONS Pb(208Pb, X), E=158 GeV/nucleon; measured fragments charge distribution; deduced Coulomb-induced projectile fission in peripheral collisions.
doi: 10.1007/BF03035983
1997AB39 Phys.Lett. 410B, 327 (1997) M.C.Abreu, and the NA50 Collaboration J/Ψ and Drell-Yan Cross-Sections in Pb-Pb Interactions at 158 GeV/c Per Nucleon NUCLEAR REACTIONS Pb(Pb, X), E at 158 GeV/c/nucleon; measured J/ψ, Drell-Yan yield ratios; deduced impact parameter dependence.
doi: 10.1016/S0370-2693(97)00914-3
1996AB04 Phys.Lett. 368B, 230 (1996) M.C.Abreu, and the NA38 Collaboration Muon Pair and Vector Meson Cross-Sections in p-W and S-U Collisions at 200 GeV/nucleon NUCLEAR REACTIONS W(p, X), U(S, X), E=200 GeV/nucleon; measured muon pair production vs transverse momentum; deduced φ production reaction dependence.
doi: 10.1016/0370-2693(95)01501-9
1996AB05 Phys.Lett. 368B, 239 (1996) M.C.Abreu, and the NA38 Collaboration Production of ρ + ω and φ in p-W and S-U Collisions at 200 MeV/nucleon NUCLEAR REACTIONS W(p, X), U(S, X), E=200 GeV/nucleon; measured φ, ρ+ω resonances associated differential σ; deduced reaction dependence.
doi: 10.1016/0370-2693(95)01502-7
1996OM01 Nucl.Instrum.Methods Phys.Res. A368, 403 (1996) J.Oms, M.C.Abreu, C.Bourgeois, F.Braganca Gil Lifetime Measurements by Delayed Coincidences with and without a Complete Knowledge of the Prompt Curve. Application to Levels in 184Ir and 185,187Pt RADIOACTIVITY 184Pt(EC)(β+) [from 194Hg(decay) produced by 197Au(p, 14n), E=200 MeV]; measured electron spectra, (e-)(e-)(t). 185,187Au(EC)(β+) [from Pt(p, xn)]; measured (e-)γ-coin. 184Ir, 185,187Pt levels deduced T1/2.
doi: 10.1016/0168-9002(95)00764-4
1987FR10 Nucl.Phys. A469, 323 (1987) Transition Probabilities in Neutron Deficient Odd Cesium and Xenon Nuclei RADIOACTIVITY 125,127,129Ba, 123,125Cs(β+), (EC)[from Ce(3He, X), E=270 MeV; mass-separation]; measured I(ce) ratios, ceγ(t). 125,127,129Cs, 123,125Xe deduced levels, T1/2, δ, B(λ), J, π. Plastic scintillators, magnetic spectrometer.
doi: 10.1016/0375-9474(87)90113-8
1985AB03 Nucl.Phys. A437, 324 (1985) M.C.Abreu, V.Berg, K.Fransson, A.Hoglund, J.Oms, M.G.Porquet, and the ISOCELE Collaboration Half-Life Measurements in Doubly-Odd 186,188,190Au Nuclei and the 188Hg → Au Decay RADIOACTIVITY 188Hg(EC), (β+) [from Au(p, xn), E=200 MeV]; measured Eγ, Iγ, I(ce), γγ-, X-rayγ-coin, (ce)(ce)(t), (ce)γ(t); deduced log ft. 188Au deduced levels, J, π, T1/2, ICC, γ multipolarity, B(λ). 185,186,187Hg(EC), (β+), (α); 190Hg(EC) [from Au(p, xn), E=200 MeV]; 189,191Tl(EC), (β+) [from Au(3He, xn)]; measured I(ce), (ce)(ce)(t), (ce)γ(t). 185,186,187,190Au, 189,191Hg levels deduced T1/2, γ multipolarity, B(λ). Hyperpure Ge, Ge(Li), Si-Li, plastic scintillator detectors, magnetic spectrometer, spectograph.
doi: 10.1016/0375-9474(85)90093-4
1984MA41 Nucl.Phys. A427, 205 (1984) M.I.Macias-Marques, C.Bourgeois, P.Kilcher, B.Roussiere, J.Sauvage, M.C.Abreu, M.G.Porquet Decays of 183Hg and 183Au RADIOACTIVITY 183Hg(β+), (EC), (α); 183Au(α) [from Au, Pt(p, xn), E=200 MeV; Pt(3He, xn), E=270 MeV]; measured Eγ, Iγ, I(ce), γγ-, γX(ray)-coin. 183Au deduced levels. 183Pt deduced levels, J, π, ICC, γ-multipolarity. Hyperpure Ge detector, magnetic spectrograph.
doi: 10.1016/0375-9474(84)90082-4
1983BE17 Nucl.Phys. A399, 119 (1983) V.Berg, J.Oms, M.C.Abreu, K.Fransson, H.Zhaomin, and the ISOCELE Collaboration Half-Life Measurements of Excited Levels in 157,159,161Er RADIOACTIVITY 157,159,161Tm [from Er(p, xn), E=200 MeV, mass sepration]; measured (ce)(ce)(t), ceγ(t). 157,159,161Er levels deduced T1/2, B(M1), B(E1), B(E2). Plastic scintillators, magnetic spectrometer.
doi: 10.1016/0375-9474(83)90597-3
1980AB10 Nucl.Phys. A349, 301 (1980) M.C.Abreu, V.Berg, J.Oms, K.Heyde, M.Waroquier, P.Van Isacker, G.Wenes, and the ISOCELE Collaboration Transition Probabilities between the First Excited State and the Ground State in the N=81 Nuclei 139Ce, 141Nd, 143Sm and 145Gd RADIOACTIVITY 143Eu [from Gd(p, xn2p); mass separation]; measured I(ce), ceγ(t). 143Sm level deduced T1/2, γ-multipolarity, δ, B(M1), B(E2). Natural target, magnetic spectrometer, scintillation detector. Intermediate coupling calculations, N=81 systematics.
doi: 10.1016/0375-9474(80)90289-4
1976AB01 J.Phys.(London) G2, 51 (1976) Half-Life of the 3/2+ Level of 119Sn RADIOACTIVITY 119mSn; measured γce(t). 119Sn level deduced T1/2.
doi: 10.1088/0305-4616/2/1/007
1975AB03 Phys.Rev. C11, 2103 (1975) M.C.Abreu, M.M.Godinho, F.B.Gil K Internal-Conversion Coefficient of the M4 65-keV Transition in 119Sn RADIOACTIVITY 119mSn; measured I(X-ray), Iγ; deduced ICC.
doi: 10.1103/PhysRevC.11.2103
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