Institut de Physique Nucléaire d’Orsay

output

19922020

most citedElliptic flow of charged particles in Pb-Pb collisions at 2.76 TeV

876 citations

researchers with a paper here

Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

collaborating institutions

Showing 2001Show all

20 papers · 1 filter

nucl-ex2001★ 63 cited

Mass and charge identification of fragments detected with the Chimera Silicon-CsI(Tl) telescopes

N. Le Neindre, for REVERSE collaboration

Mass and charge identification of charged products detected with Silicon-CsI(Tl) telescopes of the Chimera apparatus is presented. An identification function, based on the Bethe-Bl…

nucl-th2001★ 54 cited

Coulomb-Nuclear Coupling and Interference Effects in the Breakup of Halo Nuclei

J. Margueron, A. Bonaccorso, D. M. Brink

Nuclear and Coulomb breakup of halo nuclei have been treated often as incoherent processes and structure information have been extracted from their study. The aim of this paper is…

nucl-ex2001★ 103 cited

Spallation Neutron Production by 0.8, 1.2 and 1.6 GeV Protons on various Targets

S. Leray, F. Borne, A. Boudard +28

Spallation neutron production in proton induced reactions on Al, Fe, Zr, W, Pb and Th targets at 1.2 GeV and on Fe and Pb at 0.8, and 1.6 GeV measured at the SATURNE accelerator in…

hep-ph2001★ 97 cited

Analysis and interpretation of new low-energy Pi-Pi scattering data

S. Descotes, N. H. Fuchs, L. Girlanda +1

The recently published E865 data on charged K_e4 decays and Pi-Pi phases are reanalyzed to extract values of the two S-wave scattering lengths, of the subthreshold parameters alpha…

hep-ph2001

Centrality Behaviour of J/ $ψ$ Production in Na50

SÉRGIO RAMOS

The J/ $ψ$ production in 158 A GeV Pb-Pb interactions is studied, in the dimuon decay channel, as a function of centrality, as measured with the electromagnetic or with the very for…

hep-ph2001

Virtual quarks, vacuum stability and scalar meson physics

B. Moussallam

Results are reviewed, which provide relations between the response (and eventual instability) of the chiral QCD vacuum to an increase of the number of massless quarks in the theory…

nucl-ex2001★ 51 cited

Measurements of sideward flow around the balance energy

INDRA collaboration, D. Cussol, T. Lefort +1

Sideward flow values have been determined with the INDRA multidetector for Ar+Ni, Ni+Ni and Xe+Sn systems studied at GANIL in the 30 to 100 A.MeV incident energy range. The balance…

hep-ex2001★ 21 cited

First Measurement of the Double Spin Asymmetry in $e p \to e^{'} π^{+} n$ in the Resonance Region

CLAS Collaboration, R. De Vita

The double spin asymmetry in the $e p \to e^{'} π^{+} n$ reaction has been measured for the first time in the resonance region for four-momentum transfer $Q^{2} = 0.35 - 1.5$ GeV$^2…

hep-ex2001★ 205 cited

$Q^{2}$ Dependence of Quadrupole Strength in the $γ^{*} p \to Δ^{+} (1232) \to p π^{0}$ Transition

CLAS Collaboration, K. Joo, L. C. Smith

Models of baryon structure predict a small quadrupole deformation of the nucleon due to residual tensor forces between quarks or distortions from the pion cloud. Sensitivity to qua…

hep-ph2001★ 5 cited

Generalized Parton Distributions : Experimental aspects

M. Guidal

After briefly outlining the formalism of the Generalized Parton Distributions (GPDs) in the first sections, we discuss some general considerations for their experimental study : in…

hep-ex2001★ 58 cited

DRAFT: Photoproduction of the $ρ^{0}$ meson on the proton at large momentum transfer

CLAS collaboration, M. Battaglieri

The differential cross section, $d σ / d t$ , for $ρ^{0}$ meson photoproduction on the proton above the resonance region ( $2.6 < W < 2.9$ GeV) was measured up to a momentum transfer $- t = 5$ …

cond-mat.supr-con2001★ 159 cited

A Class of Exactly Solvable Pairing Models

J. Dukelsky, C. Esebbag, P. Schuck

We present three classes of exactly solvable models for fermion and boson systems, based on the pairing interaction. These models are solvable in any dimension. As an example we sh…

hep-ex2001★ 289 cited

Observation of exclusive DVCS in polarized electron beam asymmetry measurements

CLAS Collaboration, S. Stepanyan

We report the first results of the beam spin asymmetry measured in the reaction e + p -> e + p + gamma at a beam energy of 4.25 GeV. A large asymmetry with a sin(phi) modulation is…

nucl-ex2001

Liquid-Gas Coexistence Region in Central Xe+Sn Reactions

B. Borderie, M. F Rivet, G. Tabacaru +4

Charge partitions and distributions of fragments emitted in multifragmentation of fused systems produced in central collisions are studied over the incident energy range 32-50 MeV…

astro-ph2001★ 11 cited

Tests of Galactic Cosmic Ray Source Models

L O'C Drury, D C Ellison, F A Aharonian +9

This report discusses the possibilities for observational tests of current models and ideas regarding the origin of the Galactic Cosmic Rays using facilities which are already avai…

physics.chem-ph2001★ 1 cited

S-matrix poles and the second virial coefficient

A. Amaya-Tapia, S. Y. Larsen, J. Baxter +2

For cutoff potentials, a condition which is not a limitation for the calculation of physical systems, the S-matrix is meromorphic. We can express it in terms of its poles, and then…

hep-ex2001★ 25 cited

Electroproduction of the $Λ (1520)$ hyperon

S. P. Barrow

The reaction $e p \to e^{'} K^{+} Λ (1520)$ with $Λ (1520) \to p^{'} K^{-}$ was studied at electron beam energies of 4.05, 4.25, and 4.46 GeV, using the CLAS detector at the Thomas Jefferson Natio…

nucl-ex2001★ 37 cited

Production of A=6,7 Nuclides in the Alpha + Alpha Reaction and Cosmic Ray Nucleosynthesis

David J. Mercer, Sam M. Austin, J. A. Brown +6

Cross sections for production of 6He, 6Li, 7Li, and 7Be in the alpha+alpha reaction were measured at bombarding energies of 159.3, 279.6, and 619.8 MeV, and are found to decrease r…

nucl-th2001★ 26 cited

Coulomb versus nuclear break-up of 11Be halo nucleus in a non perturbative framework

M. Fallot, J. A. Scarpaci, D. Lacroix +2

The 11Be break-up is calculated using a non perturbative time-dependent quantum calculation. The evolution of the neutron halo wave function shows an emission of neutron at large a…

hep-ex2001★ 18 cited

Exclusive electroproduction of phi mesons at 4.2 GeV

CLAS Collaboration, K. Lukashin, E. S. Smith

We studied the exclusive reaction e p --> e' p' phi using the phi --> K^+ K^- decay mode. The data were collected using a 4.2 GeV incident electron beam and the CLAS detector at Je…