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Showing 2011 · nucl-exShow all

27 papers · 2 filters

nucl-ex2011★ 38 cited

Q-Value and Half-Lives for the Double-Beta-Decay Nuclide 110Pd

D. Fink, J. Barea, D. Beck +17

The 110Pd double-beta decay Q-value was measured with the Penning-trap mass spectrometer ISOLTRAP to be Q = 2017.85(64) keV. This value shifted by 14 keV compared to the literature…

nucl-ex2011★ 25 cited

Resonances in 19Ne with relevance to the astrophysically important 18F(p,α)15O reaction

D. J. Mountford, A. St J. Murphy, N. L. Achouri +11

The most intense gamma-ray line observable from novae is likely to be from positron annihilation associated with the decay of 18F. The uncertainty in the destruction rate of this n…

nucl-ex2011★ 69 cited

Inclusive dielectron spectra in p+p collisions at 3.5 GeV

G. Agakishiev, A. Balanda, D. Belver +98

We present the inclusive invariant-mass, transverse momentum and rapidity distributions of dielectrons (ee pairs) in p+p interactions at 3.5 GeV beam kinetic energy. In…

nucl-ex2011★ 52 cited

Light vector meson production in pp collisions at = 7 TeV

ALICE Collaboration

The ALICE experiment has measured low-mass dimuon production in pp collisions at TeV in the dimuon rapidity region 2.5<y<4. The observed dimuon mass spectrum is desc…

nucl-ex2011★ 11 cited

Measurement of the parity-violating asymmetry in inclusive electroproduction of near the resonance

G0 Collaboration, D. Androić, D. S. Armstrong +65

The parity-violating (PV) asymmetry of inclusive production in electron scattering from a liquid deuterium target was measured at backward angles. The measurement was conduct…

nucl-ex2011★ 11 cited

Measurement of the nuclear multiplicity ratio for hadronization at CLAS

A. Daniel, K. Hicks, W. K. Brooks +2

The influence of cold nuclear matter on lepto-production of hadrons in semi-inclusive deep inelastic scattering is measured using the CLAS detector in Hall B at Jefferson Lab and a…

nucl-ex2011★ 28 cited

Penning-Trap Mass Measurements of the Neutron-Rich K and Ca Isotopes: Resurgence of the N = 28 Shell Strength

A. Lapierre, M. Brodeur, T. Brunner +9

We present Penning-trap mass measurements of neutron-rich 44,47-50K and 49,50Ca isotopes carried out at the TITAN facility at TRIUMF-ISAC. The 44K mass measurement was performed wi…

nucl-ex2011★ 95 cited

Evidence for -particle condensation in nuclei from the Hoyle state deexcitation

Ad. R. Raduta, B. Borderie, E. Geraci +23

The fragmentation of quasi-projectiles from the nuclear reaction Ca+C at 25 MeV/nucleon was used to produce excited states candidates to -particle condensation. Co…

nucl-ex2011★ 18 cited

Spectroscopy of Na: Bridging the two-proton radioactivity of Mg

M. Assié, F. de Oliveira Santos, T. Davinson +31

The unbound nucleus Na, the intermediate nucleus in the two-proton radioactivity of Mg, was studied by the measurement of the resonant elastic scattering reaction $^{…

nucl-ex2011★ 130 cited

Particle-yield modification in jet-like azimuthal di-hadron correlations in Pb-Pb collisions at = 2.76 TeV

ALICE Collaboration

The yield of charged particles associated with high- trigger particles ( GeV/) is measured with the ALICE detector in Pb-Pb collisions at $\sqrt{s…

nucl-ex2011★ 46 cited

Baryonic resonances close to the Kbar-N threshold: the case of Sigma(1385)^+ in pp collisions

G. Agakishiev, A. Balanda, D. Belver +99

We present results of an exclusive measurement of the first excited state of the Sigma hyperon, Sigma(1385)^+, produced in p+p -> Sigma^+ + K^+ + n at 3.5 GeV beam energy. The extr…

nucl-ex2011★ 10 cited

Polarization components in photoproduction at photon energies up to 5.6 GeV

W. Luo, E. J. Brash, R. Gilman +107

We present new data for the polarization observables of the final state proton in the reaction. These data can be used to test predictions based on hadr…

nucl-ex2011★ 238 cited

Harmonic decomposition of two-particle angular correlations in Pb-Pb collisions at = 2.76 TeV

ALICE Collaboration

Angular correlations between unidentified charged trigger () and associated () particles are measured by the ALICE experiment in Pb-Pb collisions at …

nucl-ex2011★ 78 cited

Measurement of the Double Beta Decay Half-life of 130Te with the NEMO-3 Detector

R. Arnold, C. Augier, J. Baker +67

This Letter reports results from the NEMO-3 experiment based on an exposure of 1275 days with 661g of 130Te in the form of enriched and natural tellurium foils. The double beta dec…

nucl-ex2011★ 47 cited

Production of omega mesons in p+p, d+Au, Cu+Cu, and Au+Au collisions at sqrt(s_NN)=200 GeV

A. Adare, S. Afanasiev, C. Aidala +538

The PHENIX experiment at the Relativistic Heavy Ion Collider (RHIC) has measured omega meson production via leptonic and hadronic decay channels in p+p, d+Au, Cu+Cu, and Au+Au coll…

nucl-ex2011★ 125 cited

Suppression of back-to-back hadron pairs at forward rapidity in d+Au Collisions at sqrt(s_NN)=200 GeV

A. Adare, S. Afanasiev, C. Aidala +377

Back-to-back hadron pair yields in d+Au and p+p collisions at sqrt(s_NN)=200 GeV were measured with the PHENIX detector at the Relativistic Heavy Ion Collider. Rapidity separated h…

nucl-ex2011★ 221 cited

Observation of direct-photon collective flow in sqrt(s_NN)=200 GeV Au+Au collisions

A. Adare, S. Afanasiev, C. Aidala +380

The second Fourier component v_2 of the azimuthal anisotropy with respect to the reaction plane was measured for direct photons at midrapidity and transverse momentum (p_T) of 1--1…

nucl-ex2011★ 18 cited

First direct lifetime measurement of the 2+1 state in 72,74Zn: new evidence for shape transition between N = 40 and N = 42 close to Z = 28

M. Niikura, B. Mouginot, S. Franchoo +45

We report here the first direct lifetime measurement of the 2+1 state in 72,74Zn. The neutron-rich beam was produced by in-flight fragmentation of 76Ge at the Grand Accélérateur Na…

nucl-ex2011★ 358 cited

Measurements of Higher-Order Flow Harmonics in Au+Au Collisions at sqrt(s_NN) = 200 GeV

A. Adare, S. Afanasiev, C. Aidala +381

Flow coefficients v_n for n = 2, 3, 4, characterizing the anisotropic collective flow in Au+Au collisions at sqrt(s_NN) = 200 GeV, are measured relative to event planes Ψ_n determi…

nucl-ex2011★ 643 cited

Higher harmonic anisotropic flow measurements of charged particles in Pb-Pb collisions at 2.76 TeV

ALICE Collaboration

We report on the first measurement of the triangular , quadrangular , and pentagonal charged particle flow in Pb-Pb collisions at 2.76 TeV measured with the ALICE d…

nucl-ex2011★ 64 cited

Decay of excited nuclei produced in Kr + Ca reactions at 5.5 MeV/nucleon

G. Ademard, J. P. Wieleczko, J. Gomez Del Campo +27

Decay modes of excited nuclei are investigated in Kr + Ca reactions at 5.5 MeV/nucleon. Charged products were measured by means of the INDRA array. Kinetic-en…

nucl-ex2011★ 222 cited

J/psi suppression at forward rapidity in Au+Au collisions at sqrt(s_NN)=200 GeV

A. Adare, S. Afanasiev, C. Aidala +381

Heavy quarkonia are observed to be suppressed in relativistic heavy ion collisions relative to their production in p+p collisions scaled by the number of binary collisions. In orde…

nucl-ex2011★ 34 cited

Transverse Beam Spin Asymmetries at Backward Angles in Elastic Electron-Proton and Quasi-elastic Electron-Deuteron Scattering

The G0 Collaboration, D. Androić, D. S. Armstrong +67

We have measured the beam-normal single-spin asymmetries in elastic scattering of transversely polarized electrons from the proton, and performed the first measurement in quasi-ela…

nucl-ex2011★ 99 cited

Dielectron production in Ar+KCl collisions at 1.76A GeV

G. Agakishiev, A. Balanda, D. Belver +98

We present results on dielectron production in Ar+KCl collisions at 1.76A GeV. For the first time mesons could be reconstructed in a heavy-ion reaction at a bombarding energy w…