2007 Vol. 31, No. 12
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Abstract:
We show how to obtain the real orthogonal form of [n—1, 1] representation of Sn group by using a trick, representing Sn group in a special representation space. At last, we exemplify one of the applications of the trick.
We show how to obtain the real orthogonal form of [n—1, 1] representation of Sn group by using a trick, representing Sn group in a special representation space. At last, we exemplify one of the applications of the trick.
Abstract:
The neutron-rich nucleus 11Li is separated by the radioactive ion beam line RIBLL at HIRFL from the breakup of 50MeV/u 13C on Be target. The total reaction cross sections for 11Li at energies range from 25 to 45MeV/u on Si target have been measured b...
The neutron-rich nucleus 11Li is separated by the radioactive ion beam line RIBLL at HIRFL from the breakup of 50MeV/u 13C on Be target. The total reaction cross sections for 11Li at energies range from 25 to 45MeV/u on Si target have been measured b...
Abstract:
The ground-state properties of superheavy nuclide 294118 and it's α-decay daughters are investigated in the deformed relativistic mean field (RMF) theory with the TMA effective interaction, where the pairing correlations are treated with the usual BC...
The ground-state properties of superheavy nuclide 294118 and it's α-decay daughters are investigated in the deformed relativistic mean field (RMF) theory with the TMA effective interaction, where the pairing correlations are treated with the usual BC...
Abstract:
Based on the improved nuclear density model and the condition of the nuclear momentum conservation, we derived the formula of the nuclear effect parameter formula for the nuclear gluon distribution function, in which our established connection betwee...
Based on the improved nuclear density model and the condition of the nuclear momentum conservation, we derived the formula of the nuclear effect parameter formula for the nuclear gluon distribution function, in which our established connection betwee...
Abstract:
The dark current, charge collection efficiency and time response properties of CVD diamond film detectors are studied based on experiments and their theoretic analysis. The results shows: No PN or PIN junctions are needed when preparing diamond detec...
The dark current, charge collection efficiency and time response properties of CVD diamond film detectors are studied based on experiments and their theoretic analysis. The results shows: No PN or PIN junctions are needed when preparing diamond detec...
Abstract:
Water-cooling serves two functions in an RFQ. One is to take away the power dissipated on the inside surface of the RFQ by the RF field to maintain the thermal stability and to limit the deformation of RFQ. The other is to be used to tune the RFQ bas...
Water-cooling serves two functions in an RFQ. One is to take away the power dissipated on the inside surface of the RFQ by the RF field to maintain the thermal stability and to limit the deformation of RFQ. The other is to be used to tune the RFQ bas...
Abstract:
According to the operation and development of radiation therapy in the world, in order to further promote the radiation therapy of tumour in China, a design of a special synchrotron with two super-periodicity for hadron therapy is presented, includin...
According to the operation and development of radiation therapy in the world, in order to further promote the radiation therapy of tumour in China, a design of a special synchrotron with two super-periodicity for hadron therapy is presented, includin...
Abstract:
A study of Mach shocks generated by fast partonic jets propagating through the quark-gluon plasma (QGP) is reviewed briefly. We predict a significant deformation of Mach shocks in central Au+Au collisions at RHIC and LHC energies compared to those cr...
A study of Mach shocks generated by fast partonic jets propagating through the quark-gluon plasma (QGP) is reviewed briefly. We predict a significant deformation of Mach shocks in central Au+Au collisions at RHIC and LHC energies compared to those cr...
Abstract:
Particle type dependences of hadron yield and emission patterns, especially its difference between mesons and baryons, at intermediate pT(2—5GeV/c) is one of the findings in heavy ion collisions at RHIC. A systematic study of identified hadron produc...
Particle type dependences of hadron yield and emission patterns, especially its difference between mesons and baryons, at intermediate pT(2—5GeV/c) is one of the findings in heavy ion collisions at RHIC. A systematic study of identified hadron produc...
Abstract:
Recent measurements of event-by-event elliptic flow in Au+Au collisions at sNN=200GeV exhibit large relative fluctuations of about 40%—50%. The data are well described by fluctuations in the shape of the initial collision region, as estimated event-b...
Recent measurements of event-by-event elliptic flow in Au+Au collisions at sNN=200GeV exhibit large relative fluctuations of about 40%—50%. The data are well described by fluctuations in the shape of the initial collision region, as estimated event-b...
Abstract:
Identified particle elliptic flow results are presented for the Au+Au reaction at sNN=200GeV as a function of transverse momentum and pseudorapidity. Data at pseudorapidities η≈0,1, and 3.4 were obtained using the two BRAHMS spectrometers. Differenti...
Identified particle elliptic flow results are presented for the Au+Au reaction at sNN=200GeV as a function of transverse momentum and pseudorapidity. Data at pseudorapidities η≈0,1, and 3.4 were obtained using the two BRAHMS spectrometers. Differenti...
Abstract:
We explore the NJL model with Polyakov loops for a system of three colors and two flavors within the mean-field approximation, where both chiral symmetry and confinement are taken into account. We focus on the phase structure of the model and study t...
We explore the NJL model with Polyakov loops for a system of three colors and two flavors within the mean-field approximation, where both chiral symmetry and confinement are taken into account. We focus on the phase structure of the model and study t...
Abstract:
Integrated two particle correlation functions have been extracted from charge particle multiplicity density fluctuations in pseudorapidity space by analyzing Au+Au collision events at sNN=200GeV taken by RHIC-PHENIX. The correlation lengths as a func...
Integrated two particle correlation functions have been extracted from charge particle multiplicity density fluctuations in pseudorapidity space by analyzing Au+Au collision events at sNN=200GeV taken by RHIC-PHENIX. The correlation lengths as a func...
Abstract:
We report the results on anisotropic flows and their scaling for φ mesons and Ω (Ω-+Ω+) baryons in Au+Au collisions at RHIC, obtained from a dynamical quark coalescence model that uses the quark phase-space information from a multi-phase transport (A...
We report the results on anisotropic flows and their scaling for φ mesons and Ω (Ω-+Ω+) baryons in Au+Au collisions at RHIC, obtained from a dynamical quark coalescence model that uses the quark phase-space information from a multi-phase transport (A...
Abstract:
We present various predictions for the anisotropic collective flow of particles in heavy-ion collisions, in particular scaling laws of the second and fourthharmonics v2 and v4, derived within ideal fluid dynamics. We also discuss qualitatively the de...
We present various predictions for the anisotropic collective flow of particles in heavy-ion collisions, in particular scaling laws of the second and fourthharmonics v2 and v4, derived within ideal fluid dynamics. We also discuss qualitatively the de...
Abstract:
We briefly discuss the phenomenological theory of dissipative fluid. We also present some numerical results for hydrodynamic evolution of QGP fluid with dissipation due to shear viscosity only. Its effect on particle production is also studied.
We briefly discuss the phenomenological theory of dissipative fluid. We also present some numerical results for hydrodynamic evolution of QGP fluid with dissipation due to shear viscosity only. Its effect on particle production is also studied.
Abstract:
We investigate coefficients in the Israel-Stewart's causal hydrodynamics and discuss the way to calculate them microscopic theory. Based on the hadro-molecular simulation based on an event generator URASiMA, we evaluate the coefficients for a hot and...
We investigate coefficients in the Israel-Stewart's causal hydrodynamics and discuss the way to calculate them microscopic theory. Based on the hadro-molecular simulation based on an event generator URASiMA, we evaluate the coefficients for a hot and...
Abstract:
A new method is presented for measuring event-by-event fluctuations of elliptic flow (v2) using first-order event planes. By studying the event-by-event distributions of v2 observables and first-order event-plane observables, average flow 〈v2〉and eve...
A new method is presented for measuring event-by-event fluctuations of elliptic flow (v2) using first-order event planes. By studying the event-by-event distributions of v2 observables and first-order event-plane observables, average flow 〈v2〉and eve...
Abstract:
Elliptic flow is easy to compute in hydrodynamics. However experimentally it is obtained in an indirect way. The question we address in this paper is how comparable are these two approaches. For both cases, our study is done using the hydrodynamical ...
Elliptic flow is easy to compute in hydrodynamics. However experimentally it is obtained in an indirect way. The question we address in this paper is how comparable are these two approaches. For both cases, our study is done using the hydrodynamical ...
Abstract:
Azimuthal anisotropy of direct photon is measured in sNN=200GeV Au+Au collisions at RHIC-PHENIX. Direct photon is one of the most effective probes to study properties of hot dence medium at initial state (also QGP state) of heavy ion collisions becau...
Azimuthal anisotropy of direct photon is measured in sNN=200GeV Au+Au collisions at RHIC-PHENIX. Direct photon is one of the most effective probes to study properties of hot dence medium at initial state (also QGP state) of heavy ion collisions becau...
Abstract:
An internal target experiment at HIRFL-CSRm is planned for hadron physics, which focuses on hadron spectroscopy, polarized strangeness production and medium effect. A conceptual design of Hadron Physics Lanzhou Spectrometer (HPLUS) is discussed. Rela...
An internal target experiment at HIRFL-CSRm is planned for hadron physics, which focuses on hadron spectroscopy, polarized strangeness production and medium effect. A conceptual design of Hadron Physics Lanzhou Spectrometer (HPLUS) is discussed. Rela...
Abstract:
There exists a large local relative orbital angular momentum between produced partons along the direction opposite to the reaction plane in the early stage of non-central heavy-ion collisions. This initial local orbital angular momentum can lead to q...
There exists a large local relative orbital angular momentum between produced partons along the direction opposite to the reaction plane in the early stage of non-central heavy-ion collisions. This initial local orbital angular momentum can lead to q...
Abstract:
We present the Λ-hyperon global polarization in Au+Au collisions at sNN=62GeV and 200GeV measured with the STAR detector at RHIC. The observed Λ-hyperon global polarization is consistent with zero, what is in agreement with recent measurements of Λ g...
We present the Λ-hyperon global polarization in Au+Au collisions at sNN=62GeV and 200GeV measured with the STAR detector at RHIC. The observed Λ-hyperon global polarization is consistent with zero, what is in agreement with recent measurements of Λ g...
Abstract:
We study the polarization of produced Λ in s=200GeV polarized proton-proton collision at RHIC/PHENIX, and also the polarization as a function of its rapidity which may be sensitivity to the quark helicity distributions of the proton and to the polari...
We study the polarization of produced Λ in s=200GeV polarized proton-proton collision at RHIC/PHENIX, and also the polarization as a function of its rapidity which may be sensitivity to the quark helicity distributions of the proton and to the polari...
Abstract:
We present the preliminary results on the spin alignment matrix element ρ00 for vector mesons K*0(892) and φ(1020) in mid-central (20%—60%) Au+Au and p+p collisions at sNN=200GeV. The values of ρ00 with respect to reaction plane in Au+Au collisions a...
We present the preliminary results on the spin alignment matrix element ρ00 for vector mesons K*0(892) and φ(1020) in mid-central (20%—60%) Au+Au and p+p collisions at sNN=200GeV. The values of ρ00 with respect to reaction plane in Au+Au collisions a...
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