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19972026
most citedObservation of resonances consistent with pentaquark states in decays

1.3k citations

Showing 2007Show all

31 papers · 1 filter

nucl-th2007★ 1 cited

Investigation of Low-Density Symmetry Energy via Nucleon and Fragment Observables

H. H. Wolter, J. Rizzo, M. Colonna +4

With stochastic transport simulations we study in detail central and peripheral collisions at Fermi energies and suggest new observables, sensitive to the symmetry energy below nor…

nucl-ex2007★ 20 cited

Fast-neutron induced pre-equilibrium reactions on 55Mn and 63,65Cu at energies up to 40 MeV

M. Avrigeanu, S. V. Chuvaev, A. A. Filatenkov +6

Excitation functions were measured for the Mn(n,2n)Mn, Mn(n,)V, Cu(n,)Co, Cu(n,2n)Cu, and Cu(n,p)Ni reac…

hep-ex2007★ 24 cited

Measurement of Isolated Photon Production in Deep-Inelastic Scattering at HERA

H1 Collaboration

The production of isolated photons in deep-inelastic scattering is measured with the H1 detector at HERA. The measurement is performed in the kinematic range of negati…

hep-th2007★ 19 cited

Cohomological Aspects of Gauge Invariance in the Causal Approach

D. R. Grigore

Quantum theory of the gauge models in the causal approach leads to some cohomology problems. We investigate these problems in detail.

cond-mat.stat-mech2007★ 29 cited

The thermodynamic limit for fractional exclusion statistics

Dragoş-Victor Anghel

I discuss Haldane's concept of generalised exclusion statistics (Phys. Rev. Lett. {\bf 67}, 937, 1991) and I show that it leads to inconsistencies in the calculation of the particl…

nucl-th2007★ 8 cited

Constraining the Symmetry Energy: A Journey in the Isospin Physics from Coulomb Barrier to Deconfinement

M. Di Toro, M. Colonna, V. Greco +8

Heavy Ion Collisions (HIC) represent a unique tool to probe the in-medium nuclear interaction in regions away from saturation. In this work we present a selection of reaction obser…

nucl-th2007★ 6 cited

The Dynamical Dipole Radiation in Dissipative Collisions with Exotic Beams

M. Di Toro, M. Colonna, C. Rizzo +1

Heavy Ion Collisions (HIC) represent a unique tool to probe the in-medium nuclear interaction in regions away from saturation. In this work we present a selection of reaction obser…

hep-ex2007★ 4 cited

Three- and Four-jet Production at Low x at HERA

H1-Collaboration

Three- and four-jet production is measured in deep-inelastic scattering at low and with the H1 detector using an integrated luminosity of . Sev…

nucl-th2007★ 61 cited

Isospin Dynamics in Peripheral Heavy Ion Collisions at Fermi Energies

J. Rizzo, M. Colonna, V. Baran +3

We present a detailed study of isospin dynamics in peripheral collisions at Fermi energies. We consider symmetric and mixed collisions of (124,112)Sn isotopes at 35 and 50 AMeV to…

nucl-ex2007★ 31 cited

Prompt dipole radiation in fusion reactions

Brunella Martin, Dimitra Pierroutsakou, Concetta Agodi +23

The prompt gamma ray emission was investigated in the 16A MeV energy region by means of the 36,40Ar+96,92Zr fusion reactions leading to a compound nucleus in the vicinity of 132Ce.…

cond-mat.dis-nn2007★ 4 cited

The tensor of interaction of a two-level system with an arbitrary strain field

D. V. Anghel, T. Kühn, Y. M. Galperin +1

The interaction between two-level systems (TLS) and strain fields in a solid is contained in the diagonal matrix element of the interaction hamiltonian, , which, in general, has…

cond-mat.stat-mech2007★ 23 cited

Fractional exclusion statistics in general systems with interaction

Dragoş-Victor Anghel

I show that fractional exclusion statistics (FES) is manifested in general interacting systems and I calculate the exclusion statistics parameters. Most importantly, I show that th…

cond-mat.stat-mech2007

Exact thermodynamics of a planar array of Ginzburg-Landau chains with nn and nnn interactions

Victor Barsan

The exact expression of the free energy of a planar array of a Ginzburg-Landau chains with nn and nnn interaction is obtained. The critical behaviour of the specific heat is not qu…

hep-ex2007★ 138 cited

Measurement of Deeply Virtual Compton Scattering and its t-dependence at HERA

H1 Collaboration

A measurement of elastic deeply virtual Compton scattering gamma* p -> gamma p using e-p collision data recorded with the H1 detector at HERA is presented. The analysed data sample…

hep-th2007★ 75 cited

Vacuum configurations for renormalizable non-commutative scalar models

A. de Goursac, A. Tanasa, J-C. Wallet

In this paper we find non-trivial vacuum states for the renormalizable non-commutative model. An associated linear sigma model is then considered. We further investigate the…

hep-th2007★ 10 cited

A path integral leading to higher-order Lagrangians

Ciprian Sorin Acatrinei

We consider a simple modification of standard phase-space path integrals and show that it leads in configuration space to Lagrangians depending also on accelerations.

math-ph2007★ 2 cited

A two-parameter generalization of the complete elliptic integral of second kind

Victor Barsan

A two-parameter generalization of the complete elliptic integral of second kind is expressed in terms of the Appell function . This function is further reduced to a quite si…

nucl-th2007★ 17 cited

Threshold Resonant Structure of the 232Th Neutron-Induced Fission Cross Section

M. Mirea, L. Tassan-Got, C. Stephan +2

The structures observed in the sub-threshold neutron-induced fission of ^{232}Th were investigated employing a recent developed model. Theoretical single-particle excitations of a…

nucl-th2007★ 12 cited

Searching for statistical equilibrium in a dynamical multifragmentation path

A. H. Raduta, M. Colonna, M. Di Toro

A method for identifying statistical equilibrium stages in dynamical multifragmentation paths as provided by transport models, already successfully tested for for the reaction ^{12…

nucl-th2007★ 35 cited

Isospin Distillation with Radial Flow: a Test of the Nuclear Symmetry Energy

M. Colonna, V. Baran, M. Di Toro +1

We discuss mechanisms related to isospin transport in central collisions between neutron-rich systems at Fermi energies. A fully consistent study of the isospin distillation and ex…

nucl-ex2007★ 135 cited

Multinucleon transfer reactions in closed-shell nuclei

S. Szilner, C. A. Ur, L. Corradi +29

Multinucleon transfer reactions in 40Ca+96Zr and 90Zr+208Pb have been measured at energies close to the Coulomb barrier in a high resolution gamma-particle coincidence experiment.…

hep-ex2007★ 72 cited

Measurement of Inclusive Jet Production in Deep-Inelastic Scattering at High Q^2 and Determination of the Strong Coupling

H1 Collaboration

Inclusive jet production is studied in neutral current deep-inelastic positron-proton scattering at large four momentum transfer squared Q^2>150 GeV^2 with the H1 detector at HERA.…

hep-ex2007★ 23 cited

Charged Particle Production in High Q2 Deep-Inelastic Scattering at HERA

H1 Collaboration

The average charged track multiplicity and the normalised distribution of the scaled momentum, $\xp$, of charged final state hadrons are measured in deep-inelastic $\ep$ scattering…

nucl-th2007★ 35 cited

IBM-1 description of the fission products Ru

I. Stefanescu, A. Gelberg, J. Jolie +8

IBM-1} calculations for the fission products Ru have been carried out. The even-even isotopes of Ru can be described as transitional nuclei situated between the U(5…