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19972026
most citedObservation of resonances consistent with pentaquark states in decays

1.3k citations

Showing 2005Show all

22 papers · 1 filter

hep-ph2005

Principle of minimum complexity as a new principle in hadronic scattering

D. B. Ion, M. L. D. Ion

In this paper a measure of complexity of the system of angle-angular momentum quantum states produced in hadronic scattering is introduced in terms of the scattering entropies. We…

physics.ins-det2005★ 10 cited

Position Reconstruction in Drift Chambers operated with Xe, CO2 (15%)

C. Adler

We present measurements of position and angular resolution of drift chambers operated with a Xe,CO(15%) mixture. The results are compared to Monte Carlo simulations and importa…

physics.ins-det2005★ 11 cited

Transition Radiation Spectra of Electrons from 1 to 10 GeV/c in Regular and Irregular Radiators

A. Andronic

We present measurements of the spectral distribution of transition radiation generated by electrons of momentum 1 to 10 GeV/c in different radiator types. We investigate periodic f…

astro-ph2005★ 11 cited

Results from the KASCADE, KASCADE-Grande, and LOPES experiments

J. R. Hoerandel

The origin of high-energy cosmic rays in the energy range from 10^14 to 10^18 eV is explored with the KASCADE and KASCADE-Grande experiments. Radio signals from air showers are mea…

astro-ph2005★ 2 cited

Absolute calibration of the LOPES antenna system

S. Nehls, LOPES Collaboration

Radio emission in extensive air showers arises from an interaction with the geomagnetic field and is subject of theoretical studies. This radio emission has advantages for the dete…

astro-ph2005

Combined LOPES and KASCADE-Grande Data Analysis

A. Haungs, LOPES Collaboration

First analyses of coincident data of the LOPES (LOfar PrototypE Station) radio antennas with the particle air shower experiment KASCADE-Grande show basic correlations in the observ…

nucl-th2005★ 5 cited

Break-up fragments excitation and the freeze-out volume

Ad. R. Raduta, E. Bonnet, B. Borderie +2

We investigate, in microcanonical multifragmentation models, the influence of the amount of energy dissipated in break-up fragments excitation on freeze-out volume determination. A…

nucl-th2005★ 21 cited

Potential energy surfaces for cluster emitting nuclei

Dorin N. Poenaru, Radu A. Gherghescu, Walter Greiner

Potential energy surfaces are calculated by using the most advanced asymmetric two-center shell model allowing to obtain shell and pairing corrections which are added to the Yukawa…

nucl-ex2005★ 31 cited

Multifragmentation of very heavy nuclear systems (III): fragment velocity correlations and event topology at freeze-out

G. Tãbãcaru, M. -F. Rivet, B. Borderie +6

Kinetic energy spectra and fragment velocity correlations, simulated by means of stochastic mean-field calculations, are successfully confronted with experimental data for single m…

nucl-ex2005★ 4 cited

Breakup of loosely bound nuclei as indirect method in nuclear astrophysics: 8B, 9C, 23Al

L. Trache, F. Carstoiu, C. A. Gagliardi +1

We discuss the use of one-nucleon breakup reactions of loosely bound nuclei at intermediate energies as an indirect method in nuclear astrophysics. These are peripheral processes,…

nucl-ex2005★ 46 cited

Scattering of Be and B and the astrophysical S factor

G. Tabacaru, A. Azhari, J. Brinkley +10

Measurements of scattering of Be at 87 MeV on a melamine (CNH) target and of B at 95 MeV on C were performed. For Be the angular range was exte…

nucl-ex2005★ 41 cited

Reaction and proton-removal cross sections of Li, Be, B, C, $^{12$N, O and Ne on Si at 15 to 53 MeV/nucleon

R. E. Warner, F. Carstoiu, J. A. Brown +12

Excitation functions for total reaction cross sections, , were measured for the light, mainly proton-rich nuclei Li, Be, B, C, N, O…

nlin.PS2005★ 40 cited

Stable three-dimensional solitons in attractive Bose-Einstein condensates loaded in an optical lattice

D. Mihalache, D. Mazilu, F. Lederer +4

The existence and stability of solitons in Bose-Einstein condensates with attractive inter-atomic interactions, described by the Gross-Pitaevskii equation with a three-dimensional…

nucl-th2005★ 72 cited

Isospin Transport at Fermi Energies

V. Baran, M. Colonna, M. Di Toro +2

In this paper we investigate isospin transport mechanisms in semi-peripheral collisions at Fermi energies. The effects of the formation of a low density region (neck) between the t…

hep-th2005

Quantum Strings and Superstrings

Dan-Radu Grigore

In the first sections of this paper we give an elementary but rigorous approach to the construction of the quantum Bosonic and supersymmetric string system continuing the analysis…

hep-ex2005★ 106 cited

First measurement of the atom lifetime

The DIRAC collaboration

The goal of the DIRAC experiment at CERN (PS212) is to measure the atom lifetime with 10% precision. Such a measurement would yield a precision of 5% on the value of the $…

hep-ph2005

An Analytical Description of Spin Effects in Hadron-Hadron Scattering via PMD-SQS Optimum Principle

D. B. Ion, M. L. D. Ion, Adriana I. Sandru

In this paper an analytical description of spin-effects in hadron-hadron scattering is presented by using PMD-SQS-optimum principle in which the differential cross sections in the…

math-ph2005★ 16 cited

Lower Spectral Branches of a Particle Coupled to a Bose Field

Nicolae Angelescu, Robert Minlos, Valentin Zagrebnov

The structure of the lower part (i.e. -away below the two-boson threshold) spectrum of Fröhlich's polaron Hamiltonian in the weak coupling regime is obtained in spatial dimensio…

hep-ph2005★ 23 cited

Bounds on the slope and the curvature of the scalar Kπform factor at zero momentum transfer

Claude Bourrely, Irinel Caprini

We derive and calculate unitarity bounds on the slope and curvature of the strangeness-changing scalar form factor at zero momentum transfer, using low-energy constraints and Watso…

nucl-th2005★ 14 cited

Kinetic energy spectra for fragments and break-up density in multifragmentation

Ad. R. Raduta, B. Borderie, E. Bonnet +3

We investigate the possibility, in nuclear fragmentation, to extract information on nuclear density at break-up from fragment kinetic energy spectra using a simultaneous scenario f…

hep-ph2005★ 1 cited

A New Optimal Bound on Logarithmic Slope of Elastic Hadron-Hadron Scattering

D. B. Ion, M. L. D. Ion

In this paper we prove a new optimal bound on the logarithmic slope of the elastic slope when: elastic cross section and differential cross sections in forward and backward directi…

physics.plasm-ph2005★ 17 cited

The asymptotic quasi-stationary states of the two-dimensional magnetically confined plasma and of the planetary atmosphere

F. Spineanu, M. Vlad

We derive the differential equation governing the asymptotic quasi-stationary states of the two dimensional plasma immersed in a strong confining magnetic field and of the planetar…