Publications (19)
Tracing the Evolution of Temperature in Near Fermi Energy Heavy Ion Collisions
J. Wang, R. Wada, T. Keutgen +35
The kinetic energy variation of emitted light clusters has been employed as a clock to explore the time evolution of the temperature for thermalizing composite systems produced in…
Towards the critical behavior for the light nuclei by NIMROD detector
Y. G. Ma, J. B. Natowitz, R. Wada +31
The critical behavior for the light nuclei with A has been investigated experimentally by the NIMROD multi-detectors. The wide variety of observables indicate the critical…
Origin of the high energy proton component below the geomagnetic cutoff in near earth orbit
L. Derome, M. Buenerd, A. Barrau +3
The high flux proton component observed by AMS below the geomagnetic cutoff can be well accounted for by assuming these particles to be secondaries originating from the interaction…
Evidence of Critical Behavior in the Disassembly of Nuclei with A ~ 36
Y. G. Ma, R. Wada, K. Hagel +31
A wide variety of observables indicate that maximal fluctuations in the disassembly of hot nuclei with A ~ 36 occur at an excitation energy of 5.6 +- 0.5 MeV/u and temperature of 8…
Prototype-module of a muon tracker to investigate the Popocatepetl volcano lava dome density-distribution
V. Grabski, F. Velázquez-Carreón, S. Aguilar +3
The study of volcanic inner density distributions using cosmic muons is an innovative method, which is still in a stage of development. This technique can be used to determine the…
The RICH detector of the AMS-02 experiment: status and physics prospects
Rui Pereira, M. Aguilar-Benitez, L. Arruda +37
The Alpha Magnetic Spectrometer (AMS), whose final version AMS-02 is to be installed on the International Space Station (ISS) for at least 3 years, is a detector designed to measur…
Proton and Helium Spectra from the CREAM-III Flight
Y. S. Yoon, T. Anderson, A. Barrau +22
Primary cosmic-ray elemental spectra have been measured with the balloon-borne Cosmic Ray Energetics And Mass (CREAM) experiment since 2004. The third CREAM payload (CREAM-III) fle…
Design and construction of a Cherenkov imager for charge measurement of nuclear cosmic rays
O. Bourrion, Ch. Bernard, D. Bondoux +23
A proximity focusing Cherenkov imager called CHERCAM, has been built for the charge measurement of nuclear cosmic rays with the CREAM instrument. It consists of a silica aerogel ra…
Experimental study of a proximity focusing Cherenkov counter prototype for the AMS experiment
T. Thuillier, F. Malek, G. Boudoul +7
A study prototype of Proximity Focussing Ring Imaging Cherenkov counter has been built and tested with several radiators using separately cosmic-ray particles and 12C beam fragment…
Feasibility study to characterize the production of antineutrons in high energy collisions through charge exchange interactions
F. Lugo-Porras, D. M. Gomez-Coral, A. Menchaca-Rocha
Simulations to evaluate the feasibility of identification and kinematic characterization via the hadronic charge exchange (CEX) interaction $n+\bar{n}\rightarrow p+\bar{p…
The Ring Imaging Cherenkov detector (RICH) of the AMS experiment
F. Barao, M. Aguilar Benitez, J. Alcaraz +37
The Alpha Magnetic Spectrometer (AMS) experiment to be installed on the International Space Station (ISS) will be equipped with a proximity focusing Ring Imaging Cherenkov (RICH) d…
Critical Behavior in Light Nuclear Systems: Experimental Aspects
Y. G. Ma, J. B. Natowitz, R. Wada +31
An extensive experimental survey of the features of the disassembly of a small quasi-projectile system with 36, produced in the reactions of 47 MeV/nucleon Ar + $^{…
Properties of the Initial Participant Matter Interaction Zone in Near Fermi-Energy Heavy Ion Collisions
J. Wang, T. Keutgen, R. Wada +34
The sizes, temperatures and free neutron to proton ratios of the initial interaction zones produced in the collisions of 40 MeV/nucleon Ar + Sn and 55 MeV/nucleon$^{…
A Ghoshal-like Test of Equilibration in Near-Fermi-Energy Heavy Ion Collisions
J. Wang, T. Keutgen, R. Wada +35
Calorimetric and coalescence techniques have been employed to probe equilibration for hot nuclei produced in heavy ion collisions of 35 to 55 MeV/u projectiles with medium mass tar…
The use of cosmic muons in detecting heterogeneities in large volumes
V. Grabski, R. Reche, R. Alfaro +4
The muon intensity attenuation method to detect heterogeneities in large matter volumes is analyzed. Approximate analytical expressions to estimate the collection time and the sign…
The AMS-RICH velocity and charge reconstruction
F. Barao, M. Aguilar-Benitez, L. Arruda +37
The AMS detector, to be installed on the International Space Station, includes a Ring Imaging Cerenkov detector with two different radiators, silica aerogel (n=1.05) and sodium flu…
Reaction Dynamics and Multifragmentation in Fermi Energy Heavy Ion Reactions
R. Wada, T. Keutgen, K. Hagel +32
The reaction systems, 64Zn + 58Ni, 64Zn + 92Mo, 64Zn + 197Au, at 26A, 35A and 47A MeV, have been studied both in experiments with a 4 detector array, NIMROD, and with Antisymme…
Inclusive J/psi production in pp collisions at sqrt(s) = 2.76 TeV
ALICE Collaboration, B. Abelev, J. Adam +966
The ALICE Collaboration has measured inclusive J/psi production in pp collisions at a center of mass energy sqrt(s)=2.76 TeV at the LHC. The results presented in this Letter refer…
The AMS-02 RICH Imager Prototype - In-Beam Tests with 20 GeV/c per Nucleon Ions -
M. Buenerd, P. Aguayo, M. Aguilar Benitez +32
A prototype of the AMS Cherenkov imager (RICH) has been tested at CERN by means of a low intensity 20 GeV/c per nucleon ion beam obtained by fragmentation of a primary beam of Pb i…