Showing 2008 · nucl-exShow all

22 papers · 2 filters

nucl-ex2008★ 59 cited

Bimodal behavior of the heaviest fragment distribution in projectile fragmentation

Eric Bonnet, Damien Mercier, Bernard Borderie +19

The charge distribution of the heaviest fragment detected in the decay of quasi-projectiles produced in intermediate energy heavy-ion collisions has been observed to be bimodal. Th…

nucl-ex2008

Virtual Compton Scattering and Neutral Pion Electroproduction in the Resonance Region up to the Deep Inelastic Region at Backward Angles

G. Laveissière

We have made the first measurements of the virtual Compton scattering (VCS) process via the H exclusive reaction in the nucleon resonance region, at backward angles. Resu…

nucl-ex2008★ 67 cited

Reaction mechanisms in the 6Li+59Co system

F. A . Souza, C. Beck, N. Carlin +8

The reactions induced by the weakly bound 6Li projectile interacting with the intermediate mass target 59Co were investigated. Light charged particles singles and - coinciden…

nucl-ex2008★ 103 cited

A Precise Measurement of the Neutron Magnetic Form Factor GMn in the Few-GeV2 Region

J. Lachniet, A. Afanasev, H. Arenhövel +5

The neutron elastic magnetic form factor GMn has been extracted from quasielastic electron scattering data on deuterium with the CEBAF Large Acceptance Spectrometer (CLAS) at Jeffe…

nucl-ex2008★ 25 cited

Fragment properties of fragmenting heavy nuclei produced in central and semi-peripheral collisions

Eric Bonnet, Bernard Borderie, Nicolas Le Neindre +18

Fragment properties of hot fragmenting sources of similar sizes produced in central and semi-peripheral collisions are compared in the excitation energy range 5-10 AMeV. For semi-p…

nucl-ex2008★ 25 cited

Multi-particle correlation function to study short-lived nuclei

F. Grenier, A. Chbihi, R. Roy +21

Unstable 10C nuclei are produced as quasi-projectiles in 12C+24Mg collisions at E/A = 53 and 95 MeV. The decay of their short-lived states is studied with the INDRA multidetector a…

nucl-ex2008★ 128 cited

Charged pion form factor between =0.60 and 2.45 GeV. I. Measurements of the cross section for the H() reaction

H. P. Blok, T. Horn, G. M. Huber +84

Cross sections for the reaction H() were measured in Hall C at Thomas Jefferson National Accelerator Facility (JLab) using the CEBAF high-intensity, continous ele…

nucl-ex2008★ 258 cited

Charged pion form factor between Q^2=0.60 and 2.45 GeV^2. II. Determination of, and results for, the pion form factor

G. M. Huber, H. P. Blok, T. Horn +83

The charged pion form factor, Fpi(Q^2), is an important quantity which can be used to advance our knowledge of hadronic structure. However, the extraction of Fpi from data requires…

nucl-ex2008★ 38 cited

Electroproduction of p π^{+} π^{-} off protons at 0.2<Q^{2}<0.6 GeV^{2} and 1.3<W<1.57 GeV with CLAS

G. V. Fedotov, V. I. Mokeev, V. D. Burkert +5

This paper reports on the most comprehensive data set obtained on differential and fully integrated cross sections for the process . The data were collec…

nucl-ex2008★ 18 cited

Influence of Neutron Enrichment on Disintegration Modes of Compound Nuclei

E. Bonnet, J. P. Wieleczko, A. Chbihi +27

Cross sections, kinetic energy and angular distributions of fragments with charge 6Z28 emitted in 78,82Kr+40C at 5.5 MeV/A reactions were measured at the GANIL facility u…

nucl-ex2008★ 2 cited

First Measurement of the J/psi Azimuthal Anisotropy in PHENIX at Forward Rapidity in Au+Au Collisions at sqrt s(NN) = 200 GeV

Catherine Silvestre

The PHENIX experiment has shown that J/psis are suppressed in central Au+Au collisions at a center of mass energy per nucleon-nucleon collision sqrt s(NN) = 200 GeV, and that the s…

nucl-ex2008★ 10 cited

Gamow-Teller strengths in 24Na using the 24Mg(t,3He) reaction at 115 AMeV

M. E. Howard, R. G. T. Zegers, Sam M. Austin +16

Gamow-Teller transitions from 24Mg to 24Na were studied via the (t,3He) reaction at 115 AMeV using a secondary triton beam produced via fast fragmentation of 150 AMeV 16O ions. Com…

nucl-ex2008★ 6 cited

Nucleon charge exchange on the deuteron: A critical review

Francois Lehar, Colin Wilkin

The existing experimental data on the d(n,p)nn and d(p,n)pp cross sections in the forward direction are reviewed in terms of the Dean sum rule. It is shown that the measurement of…

nucl-ex2008★ 78 cited

Charged hadron multiplicity fluctuations in Au+Au and Cu+Cu collisions from sqrt(s_NN) = 22.5 to 200 GeV

A. Adare

A comprehensive survey of event-by-event fluctuations of charged hadron multiplicity in relativistic heavy ions is presented. The survey covers Au+Au collisions at sqrt(s_NN) = 62.…

nucl-ex2008★ 401 cited

Enhanced production of direct photons in Au+Au collisions at sqrt(s_NN)=200 GeV and implications for the initial temperature

The PHENIX Collaboration, A. Adare

The production of low mass e+e- pairs for m_{e+e-} < 300 MeV/c^2 and 1 < p_T <5 GeV/c is measured in p+p and Au+Au collisions at sqrt(s_NN)=200 GeV. Enhanced yield above hadronic s…

nucl-ex2008★ 26 cited

Quark-Hadron Duality in Neutron (3He) Spin Structure

P. Solvignon, N. Liyanage, J. -P. Chen +59

We present experimental results of the first high-precision test of quark-hadron duality in the spin-structure function g_1 of the neutron and He using a polarized 3He target i…

nucl-ex2008★ 24 cited

3He Spin-Dependent Cross Sections and Sum Rules

E94010 Collaboration, K. Slifer, M. Amarian +110

We present a measurement of the spin-dependent cross sections for the \vec{^3He}(\vec{e},e')X} reaction in the quasielastic and resonance regions at four-momentum transfer 0.1 < Q^…

nucl-ex2008★ 54 cited

Moments of the Spin Structure Functions g_1^p and g_1^d for 0.05 < Q^2 < 3.0 GeV^2

Y. Prok, P. Bosted, V. D. Burkert +7

The spin structure functions g_1 for the proton and the deuteron have been measured over a wide kinematic range in x and Q2 using 1.6 and 5.7 GeV longitudinally polarized electrons…

nucl-ex2008★ 325 cited

Dihadron azimuthal correlations in Au+Au collisions at sqrt(s_NN)=200 GeV

PHENIX Collaboration, A. Adare

Azimuthal angle (Delta phi) correlations are presented for a broad range of transverse momentum (0.4 < pT < 10 GeV/c) and centrality (0-92%) selections for charged hadrons from di-…

nucl-ex2008★ 319 cited

Suppression pattern of neutral pions at high transverse momentum in Au+Au collisions at sqrt(s_NN) = 200 GeV and constraints on medium transport coefficients

PHENIX Collaboration, A. Adare

For Au + Au collisions at 200 GeV we measure neutral pion production with good statistics for transverse momentum, p_T, up to 20 GeV/c. A fivefold suppression is found, which is es…

nucl-ex2008★ 56 cited

Experimental investigation of the residues produced in the 136Xe+Pb and 124Xe+Pb fragmentation reactions at 1 A GeV

D. Henzlova, K. -H. Schmidt, M. V. Ricciardi +26

This paper presents the nuclide cross sections and the longitudinal velocity distributions of residues produced in the reactions of 136Xe and 124Xe at 1 A GeV in a lead target, mea…

nucl-ex2008★ 114 cited

Quantitative Constraints on the Transport Properties of Hot Partonic Matter from Semi-Inclusive Single High Transverse Momentum Pion Suppression in Au+Au collisions at sqrt(s_NN) = 200 GeV

PHENIX Collaboration, A. Adare

The PHENIX experiment has measured the suppression of semi-inclusive single high transverse momentum pi^0's in Au+Au collisions at sqrt(s_NN) = 200 GeV. The present understanding o…