Showing 2007 · nucl-exShow all

23 papers · 2 filters

nucl-ex2007★ 44 cited

Source breakup dynamics in Au+Au Collisions at sqrt(s_NN)=200 GeV via three-dimensional two-pion source imaging

PHENIX Collaboration, S. Afanasiev

A three-dimensional (3D) correlation function obtained from mid-rapidity, low pT pion pairs in central Au+Au collisions at sqrt(s_NN)=200 GeV is studied. The extracted model-indepe…

nucl-ex2007★ 2 cited

Deuteron frozen spin polarized target for nd experiements at the VdG accelerator of Charles University

N. S. Borisov, N. A. Bazhanov, A. A. Belyaev +19

A frozen spin polarized deuteron target cooled by the 3He/4He dilution refrigerator is described. Fully deuterated 1,2-propanediol was used as a target material. Deuteron vector po…

nucl-ex2007★ 23 cited

N/Z Dependence of Projectile Fragmentation

W. Trautmann, P. Adrich, T. Aumann +53

The N/Z dependence of projectile fragmentation at relativistic energies has been studied in a recent experiment at the GSI laboratory with the ALADiN forward spectrometer coupled t…

nucl-ex2007★ 109 cited

Cold Nuclear Matter Effects on J/Psi as Constrained by Deuteron-Gold Measurements at sqrt(s_NN) = 200 GeV

PHENIX Collaboration, A. Adare

We present a new analysis of J/psi production yields in deuteron-gold collisions at sqrt(s_NN) = 200 GeV using data taken by the PHENIX experiment in 2003 and previously published…

nucl-ex2007★ 5 cited

Source shape determination with directional fragment-fragment velocity correlations

A. Le Fevre, C. Schwarz, G. Auger +37

Correlation functions, constructed from directional projections of the relative velocities of fragments, are used to determine the shape of the breakup volume in coordinate space.…

nucl-ex2007★ 6 cited

Search for Low Mass Exotic mesonic structures. Part II: attempts to understand the experimental results

B. Tatischeff, E. Tomasi-Gustafsson

Our previous paper, part I of the same study, shows the different experimental spectra used to conclude on the genuine existence of narrow, weakly excited mesonic structures, havin…

nucl-ex2007★ 8 cited

Search for Low Mass Exotic mesonic structures. Part I: experimental results

B. Tatischeff, E. Tomasi-Gustafsson

Recently, several papers discussed on the existence of a low mass new structure at a mass close to M=214.3 MeV. It was suggested that the disintegration: pP…

nucl-ex2007★ 23 cited

Yield scaling, size hierarchy and fluctuations of observables in fragmentation of excited heavy nuclei

N. Le Neindre, E. Bonnet, J. P. Wieleczko +26

Multifragmentation properties measured with INDRA are studied for single sources produced in Xe+Sn reactions in the incident energy range 32-50 A MeV and quasiprojectiles from Au+A…

nucl-ex2007★ 25 cited

Centrality dependence of charged hadron production in deuteron+gold and nucleon+gold collisions at sqrt(s_NN)=200 GeV

PHENIX Collaboration, S. S. Adler

We present transverse momentum (p_T) spectra of charged hadrons measured in deuteron-gold and nucleon-gold collisions at \sqrts = 200 GeV for four centrality classes. Nucleon-gold…

nucl-ex2007★ 35 cited

Coincidence measurement of residues and light particles in the reaction 56Fe+p at 1 GeV per nucleon with SPALADIN

E. Le Gentil, T. Aumann, C. O. Bacri +31

The spallation of Fe in collisions with hydrogen at 1 A GeV has been studied in inverse kinematics with the large-aperture setup SPALADIN at GSI. Coincidences of residues wi…

nucl-ex2007★ 76 cited

Search for medium modification of the meson

R. Nasseripour, M. H. Wood, C. Djalali +5

The photoproduction of vector mesons on various nuclei has been studied using the CEBAF Large Acceptance Spectrometer (CLAS) at Jefferson Laboratory. The vector mesons, , , a…

nucl-ex2007★ 587 cited

The Physics of Ultraperipheral Collisions at the LHC

A. J. Baltz, G. Baur, D. d'Enterria +20

We discuss the physics of large impact parameter interactions at the LHC: ultraperipheral collisions (UPCs). The dominant processes in UPCs are photon-nucleon (nucleus) interaction…

nucl-ex2007★ 299 cited

Collapse of the N=28 shell closure in Si

B. Bastin, S. Grévy, D. Sohler +34

The energies of the excited states in very neutron-rich Si and P have been measured using in-beam -ray spectroscopy from the fragmentation of secondary beams of…

nucl-ex2007

Delayed neutrons measurement at the MEGAPIE target

Stefano Panebianco, Pavel Bokov, Diane Dore +4

In the framework of the Neutronic and Nuclear Assessment Task Group of the MEGAPIE experiment we measured the delayed neutron (DN) flux at the top of the target. The measurement wa…

nucl-ex2007★ 64 cited

High Resolution Spectroscopy of 12B_Lambda by Electroproduction

M. Iodice, F. Cusanno, A. Acha +96

An experiment measuring electroproduction of hypernuclei has been performed in Hall A at Jefferson Lab on a C target. In order to increase counting rates and provide unambig…

nucl-ex2007★ 87 cited

Transverse momentum and centrality dependence of dihadron correlations in Au+Au collisions at sqrt(s_NN)=200 GeV: Jet-quenching and the response of partonic matter

PHENIX Collaboration, A. Adare

Azimuthal angle Δϕcorrelations are presented for charged hadrons from dijets for 0.4 < p_T < 10 GeV/c in Au+Au collisions at sqrt(s_NN) = 200 GeV. With increasing p_T, the away-sid…

nucl-ex2007★ 1 cited

Neutronic performances of the MEGAPIE target

S. Panebianco, P. Beauvais, O. Bringer +8

The MEGAPIE project is a key experiment on the road to Accelerator Driven Systems and it provides the scientific community with unique data on the behavior of a liquid lead-bismuth…

nucl-ex2007★ 30 cited

Measurement of density correlations in pseudorapidity via charged particle multiplicity fluctuations in Au+Au collisions at sqrt(s_NN)=200 GeV

PHENIX Collaboration, S. S. Adler

Longitudinal density correlations of produced matter in Au+Au collisions at sqrt(s_NN)=200 GeV have been measured from the inclusive charged particle distributions as a function of…

nucl-ex2007★ 1 cited

Neutrinos and Non-proliferation in Europe

M. Cribier

Triggered by the demand of the IAEA, neutrino physicists in Europe involved with the Double Chooz experiment are studying the potential of neutrino detection to monitor nuclear rea…

nucl-ex2007★ 131 cited

Elliptic flow for phi mesons and (anti)deuterons in Au+Au collisions at sqrt(s_NN) = 200 GeV

PHENIX Collaboration, S. Afanasiev

Differential elliptic flow (v_2) for phi mesons and (anti)deuterons (d^bar)d is measured for Au+Au collisions at sqrt(s_NN) = 200 GeV. The v_2 for phi mesons follows the trend of l…

nucl-ex2007★ 69 cited

First direct observation of two protons in the decay of Fe with a TPC

J. Giovinazzo, B. Blank, C. Borcea +15

The decay of the ground-state two-proton emitter 45Fe was studied with a time-projection chamber and the emission of two protons was unambiguously identified. The total decay energ…

nucl-ex2007★ 19 cited

Evidence for a backward peak in the gamma+d->pi^0+d cross section near the eta threshold

Y. Ilieva, B. L. Berman, A. E. Kudryavtsev +2

High-quality cross sections for the reaction gamma+d->pi^0+d have been measured using the CLAS at Jefferson Lab over a wide energy range near and above the eta-meson photoproductio…

nucl-ex2007★ 36 cited

Cross Sections for the Reaction at GeV

I. Hleiqawi, K. Hicks, D. Carman +1

Differential cross sections for the reaction are presented at nine bins in photon energy in the range from 1.7 to 3.0 GeV. The \kstar was detected by its decay…