Showing 2014 · nucl-exShow all

15 papers · 2 filters

nucl-ex2014★ 96 cited

Partial Wave Analysis of the Reaction to Search for the "" Bound State

G. Agakishiev, O. Arnold, D. Belver +93

Employing the Bonn-Gatchina partial wave analysis framework (PWA), we have analyzed HADES data of the reaction . This reaction might contain information abo…

nucl-ex2014★ 50 cited

Shell structure of potassium isotopes deduced from their magnetic moments

J. Papuga, M. L. Bissell, K. Kreim +15

\item[Background] Ground-state spins and magnetic moments are sensitive to the nuclear wave function, thus they are powerful probes to study the nuclear structure of isotopes far f…

nucl-ex2014★ 38 cited

Breakdown of the Isobaric Multiplet Mass Equation for the A = 20 and 21 Multiplets

A. T. Gallant, M. Brodeur, C. Andreoiu +21

Using the Penning trap mass spectrometer TITAN, we performed the first direct mass measurements of 20,21Mg, isotopes that are the most proton-rich members of the A = 20 and A = 21…

nucl-ex2014★ 18 cited

Origin of fine structure of the giant dipole resonance in sd-shell nuclei

R. W. Fearick, B. Erler, H. Matsubara +4

A set of high resolution zero-degree inelastic proton scattering data on 24Mg, 28Si, 32S, and 40Ca provides new insight into the long-standing puzzle of the origin of fragmentation…

nucl-ex2014★ 64 cited

Low-energy dipole strength in 112,120Sn

B. Özel-Tashenov, J. Enders, H. Lenske +8

The 112,120Sn(gamma,gamma') reactions below the neutron separation energies have been studied at the superconducting Darmstadt electron linear accelerator S-DALINAC for different e…

nucl-ex2014★ 30 cited

Experimental cross sections of 165Ho(α,n)168Tm and 166Er(α,n)169Yb for optical potential studies relevant for the astrophysical γ-process

Jan Glorius, Kerstin Sonnabend, Joachim Goerres +10

Background: Optical potentials are crucial ingredients for the prediction of nuclear reaction rates needed in simulations of the astrophysical γ-process. Associated uncertainties a…

nucl-ex2014★ 31 cited

Medium effects in proton-induced production at 3.5 GeV

G. Agakishiev, O. Arnold, D. Belver +94

We present the analysis of the inclusive production in p+p and p+Nb collisions measured with the HADES detector at a beam kinetic energy of 3.5 GeV. Data are compared to th…

nucl-ex2014★ 40 cited

Lambda hyperon production and polarization in collisions of p(3.5 GeV) + Nb

G. Agakishiev, O. Arnold, A. Balanda +95

Results on hyperon production are reported for collisions of p(3.5 GeV) + Nb, studied with the High Acceptance Di-Electron Spectrometer (HADES) at SIS18 at GSI Helmholtzzentrum…

nucl-ex2014★ 39 cited

Baryon resonance production and dielectron decays in proton-proton collisions at 3.5 GeV

G. Agakishiev, A. Balanda, D. Belver +94

We report on baryon resonance production and decay in proton-proton collisions at a kinetic energy of GeV based on data measured with HADES. The exclusive channels $pp \right…

nucl-ex2014★ 19 cited

Associate K^0 production in p+p collisions at 3.5 GeV: The role of Delta(1232)++

G. Agakishiev, O. Arnold, A. Balanda +97

An exclusive analysis of the 4-body final states and measured with HADES for p+p collisions at a beam kinetic e…

nucl-ex2014★ 56 cited

Fine structure of the isovector giant dipole resonance in 208Pb: Characteristic scales and level densities

I. Poltoratska, R. W. Fearick, A. M. Krumbholz +6

The IVGDR in 208Pb has been measured with high energy resolution with the (p,p') reaction under extreme forward angles and shows considerable fine structure. Characteristic scales…

nucl-ex2014★ 6 cited

B(E2) strength ratio of one-phonon 2+ states of 94Zr from electron scattering at low momentum transfer

A. Scheikh Obeid, S. Aslanidou, J. Birkhan +5

Background: The B(E2) transition strength to the 2+_2 state in 94Zr was initially reported to be larger by a factor of 1.63 than the one to the 2+_1 state from lifetime measurement…

nucl-ex2014★ 44 cited

Shape coexistence in neutron-deficient Hg isotopes studied via lifetime measurements in Hg and two-state mixing calculations

L. P. Gaffney, M. Hackstein, R. D. Page +24

The neutron-deficient mercury isotopes, Hg, were studied with the Recoil Distance Doppler Shift (RDDS) method using the Gammasphere array and the Köln Plunger device. T…

nucl-ex2014★ 57 cited

Isospin properties of electric dipole excitations in 48Ca

V. Derya, D. Savran, J. Endres +12

Two different experimental approaches were combined to study the electric dipole strength in the doubly-magic nucleus 48Ca below the neutron threshold. Real-photon scattering exper…

nucl-ex2014★ 254 cited

Production of charged pions, kaons and protons at large transverse momenta in pp and Pb-Pb collisions at = 2.76 TeV

ALICE Collaboration

Transverse momentum spectra of , and p() up to = 20 GeV/ at mid-rapidity in pp and Pb-Pb collisions at 2.76…