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Isotopic equilibrium constants for very low-density and low-temperature nuclear matter
J. B. Natowitz, H. Pais, G. Roepke +4
Yields of equatorially emitted light isotopes, , observed in ternary fission in the reaction Pu(,f) are employed to determine apparent chemical eq…
Searching for states analogous to the 12C Hoyle state in heavier nuclei using the thick target inverse kinematics technique
M. Barbui, K. Hagel, J. Gauthier +8
Identification of alpha cluster states analogous to the 12C Hoyle state in heavier alpha- conjugate nuclei can provide tests of the existence of alpha condensates in nuclei. Such s…
A nucleation model analysis of neck emission yields in 124Sn+112,124Sn reactions at 26 MeV/nucleon
J. Gauthier, M. Barbui, X. Cao +4
A recent analysis of experimental ternary fission fragment yields using a nucleation moderated statistical equilibrium model reproduced observed yields with fairly good accuracy. I…
An experimental survey of the production of alpha decaying heavy elements in the reactions of U +Th at 7.5-6.1 MeV/nucleon
S. Wuenschel, K. Hagel, M. Barbui +14
The production of alpha particle decaying heavy nuclei in reactions of 7.5-6.1 MeV/nucleon U +Th has been explored using an in-beam detection array composed of YAP…
Evidence for high excitation energy resonances in the 7 alpha disassembly of Si
X. G. Cao, E. J. Kim, K. Schmidt +19
The excitation function for the 7 alpha de-excitation of Si nuclei excited to high excitation energies in the collisions of 35 MeV/nucleon Si with C reveals re…
Alpha Conjugate Neck Structures in the Collisions of 35 MeV/nucleon 40Ca with 40Ca
K. Schmidt, X. Cao, E. J. Kim +24
The de-excitation of alpha-conjugate nuclei produced in reactions of 35 MeV/nucleon 40Ca with 40Ca has been investigated. Particular emphasis is placed on examining the dynamics of…
Charge-changing-cross-section measurements of C at around MeV and development of a Glauber model for incident energies MeV
D. T. Tran, H. J. Ong, T. T. Nguyen +26
We have measured for the first time the charge-changing cross sections () of C on a C target at energies below MeV. To analyze these low-ener…
Rapidity and centrality dependence of particle production for identified hadrons in Cu+Cu collisions at GeV
BRAHMS Collaboration, I. C. Arsene, I. G. Bearden +41
The BRAHMS collaboration has measured transverse momentum spectra of pions, kaons, protons and antiprotons at rapidities 0 and 3 for Cu+Cu collisions at GeV.…
Rapidity dependence of deuteron production in Au+Au collisions at = 200 GeV
BRAHMS Collaboration, I. Arsene, I. G. Bearden +42
We have measured the distributions of protons and deuterons produced in high energy heavy ion Au+Au collisions at RHIC over a very wide range of transverse and longitudinal momentu…
Kaon and Pion Production in Central Au+Au Collisions at \sqrt{s_{NN}}=62.4 GeV
BRAHMS Collaboration, I. C. Arsene
Invariant pT spectra and rapidity densities covering a large rapidity range(-0.1 < y < 3.5) are presented for and mesons from central Au+Au collisions at $\sqrt…
Rapidity dependence of the proton-to-pion ratio in Au+Au and p+p collisions at sqrt(s_NN) = 62.4 and 200 GeV
BRAHMS Collaboration
The proton-to-pion ratios measured in the BRAHMS experiment for Au+Au and p+p collisions at = 62.4 and 200 GeV are presented as a function of transverse momentum an…
Particle Identification in the NIMROD-ISiS Detector Array
S. Wuenschel, K. Hagel, L. W. May +2
Interest in the influence of the neutron-to-proton (N/Z) ratio on multifragmenting nuclei has demanded an improvement in the capabilities of multi-detector arrays as well as the co…
Nuclear Modification Factor for Charged Pions and Protons at Forward Rapidity in Central Au+Au Collisions at 200 GeV
I. Arsene et al.
We present spectra of charged pions and protons in 0-10% central Au+Au collisions at GeV at mid-rapidity () and forward pseudorapidity () measured w…
Properties of the Initial Participant Matter Interaction Zone in Near Fermi-Energy Heavy Ion Collisions
J. Wang, T. Keutgen, R. Wada +34
The sizes, temperatures and free neutron to proton ratios of the initial interaction zones produced in the collisions of 40 MeV/nucleon Ar + Sn and 55 MeV/nucleon$^{…
Rapidity dependence of high p_T suppression at sqrt{s_{NN}}=62.4{GeV}
I. Arsene, I. G. Bearden, D. Beavis +49
We present measurements of charged hadron p_T spectra from Au+Au collisions at sqrt(snn)=62.4 GeV for pseudorapidities eta=0, eta=1 and eta=3.2. Around midrapidity (eta=0, eta=1) w…
Centrality Dependent Particle Production at and in Au+Au Collisions at sqrt(sNN)=200GeV
BRAHMS Collaboration, I. Arsene
Particle production of identified charged hadrons, , , , and in Au+Au collisions at 200 GeV has been studied as a function of transver…
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…
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…
Quark Gluon Plasma an Color Glass Condensate at RHIC? The perspective from the BRAHMS experiment
I. Arsene
We review the main results obtained by the BRAHMS collaboration on the properties of hot and dense hadronic and partonic matter produced in ultrarelativistic heavy ion collisions a…
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 + $^{…
Evolution of the nuclear modification factors with rapidity and centrality in d+Au collisions at $\sqrt{s_{NN}} = 200 GeV
I. Arsene
We report on a study of the transverse momentum dependence of nuclear modification factors for charged hadrons produced in deuteron + gold collisions at $\sqrt{s_{NN}}= 2…
The New Physics at RHIC. From Transparency to High p Suppression
Jens Jorgen Gaardhoje
Heavy ion collisions at RHIC energies (Au+Au collisions at GeV) exhibit significant new features as compared to earlier experiments at lower energies. The react…
Centrality dependence of charged-particle pseudorapidity distributions from d+Au collisions at sqrt(s_{NN})=200 GeV
BRAHMS Collaboration, I. Arsene
Charged-particle pseudorapidity densities are presented for the d+Au reaction at sqrt{s_{NN}}=200 GeV with -4.2 <= eta <= 4.2$. The results, from the BRAHMS experiment at RHIC, are…
Nuclear Stopping in Au+Au Collisions at sqrt(sNN) = 200 GeV
BRAHMS Collaboration
Transverse momentum spectra and rapidity densities, dN/dy, of protons, anti-protons, and net--protons (p-pbar) from central (0-5%) Au+Au collisions at sqrt(sNN) = 200 GeV were meas…