搜索结果: 46-60 共查到“理学 High-energy”相关记录117条 . 查询时间(0.16 秒)
Shifted loops and coercivity from field imprinted high energy barriers in ferritin and ferrihydrite nanoparticles
Shifted loops coercivity from field ferrihydrite nanoparticles
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2010/11/25
We show that the coercive field in ferritin depends on the maximum magnetic field in a ysteresis loop and that coercivity and loop shifts depend both on the maximum and cooling fields. The time depend...
Theoretical Modeling of J/psi Yield Modifications in Proton (Deuteron) - Nucleus Collisions at High Energy
Theoretical Modeling J/psi Yield Modifications Proton (Deuteron) Nucleus Collisions High Energy
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2010/12/29
Understanding the detailed production and hadronization mechanisms for heavy quarkonia and their modification in a nuclear environment presents one of the major challenges in QCD. Calculations includi...
A new facility for High energy PIXE at the ARRONAX Facility
new facility High energy PIXE the ARRONAX Facility
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2010/12/29
Proton Induced X-ray Emission (PIXE) using high energy protons is a non destructive multi elemental technique that can analyze medium and heavy trace elements on thick samples. A new experimental setu...
The effect of the pseudogap on suppressing high energy inelastic neutron scattering in superconducting YBa2Cu3O6.5
pseudogap high energy inelastic neutron
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2010/11/18
We have measured the spin fluctuations in the YBa2Cu3O6.5 (YBCO6.5, Tc=59 K) superconductor
at high-energy transfers above 100 meV.Within experimental error, the momentum dependence is
isotropic a...
Double -- photon exclusive processes with heavy quark -- heavy antiquark pairs in high-energy Pb-Pb collisions at LHC
Double -- photon exclusive processes heavy quark -- heavy antiquark pairs high-energy Pb-Pb collisions
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2011/1/6
The cross section for exclusive heavy quark and heavy antiquark pair (Q¯Q) production in periph-eral ultrarelativistic heavy ion collisions is calculated for the LHC energy √sNN = 5.5 TeV. Here w...
Transverse-Spin and Transverse-Momentum Effects in High-Energy Processes
Transverse-Spin Transverse-Momentum Effects High-Energy Processes
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2011/1/5
The state of the art concerning transverse-spin and transverse-momentum phenomena in hard
hadronic reactions is reviewed. An account is given of single-spin and azimuthal asymmetries in
semiinclusiv...
The metallicity of gamma-ray burst environments from high energy observations
Gamma-ray burst general – Gamma-ray burst individual GRB050904 – early Universe – dark ages
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2010/11/10
Context. Gamma-ray bursts (GRBs) and their early afterglows ionise their circumburst material. Only high-energy spectroscopy therefore, allows examination of the matter close to the burst itself. Soft...
On the Implications of Late Internal Dissipation for Shallow-Decay Afterglow Emission and Associated High-Energy Gamma-Ray Signals
gamma-rays burst general— gamma rays theory— radiation mechanisms non-thermal
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2010/11/10
The origin of the shallow-decay emission during early X-ray afterglows has been an open issue since the launch of the Swift satellite. One of the appealing models is the late internal dissipation mode...
How nucleons lose their identity at high energy
nucleons identity at high energy
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2011/1/7
We compute cross sections for incoherent di ractive J= production in lepton-nucleus deep in-elastic scattering.
Fermi Gamma-ray Space Telescope: High-Energy Results from the First Year
Fermi Gamma-ray Space Telescope High-Energy Results
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2010/11/9
The Fermi Gamma-ray Space Telescope (Fermi) was launched on June 11, 2008 and began its
first year sky survey on August 11, 2008. The Large Area Telescope (LAT), a wide field-ofview
pair-conversion ...
Progress towards fabrication of Th:229-doped high energy band-gap crystals for use as a solid-state optical frequency reference
Th:229-doped high energy band-gap crystals solid-state optical frequency
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2010/11/12
We have recently described a novel method for the construction of a solid-state optical frequency reference based on doping $^{229}$Th into high energy band-gap crystals. Since nuclear transitions ar...
Nucleon-Nucleon Correlations and Gribov Inelastic Shadowing in High Energy Collisions
short-range correlations Gribov inelastic shadowing high-energy collisions
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2011/1/7
The effects of nucleon-nucleon (NN) short range correlations (SRC) and Gribov inelastic
shadowing (IS) in high energy collisions are illustrated.
Fermi Gamma-ray Space Telescope: High-Energy Results from the First Year
Gamma-ray Space Telescope High-Energy Results First Year
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2011/1/5
The Fermi Gamma-ray Space Telescope (Fermi) was launched on June 11, 2008 and began its
first year sky survey on August 11, 2008. The Large Area Telescope (LAT), a wide field-ofview
pair-conversion ...
Ultra high energy cosmic rays: A review
gh energy cosmic rays review
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2010/11/12
We present the main results on the energy spectrum and compo-sition of the highest energy cosmic rays of energy exceeding 1018 eV obtained by the High Resolution Fly’s Eye and the Southern Auger Ob-se...
Jets, Mach cone, hot spots, ridges, harmonic flow, dihadron and $\gamma$-hadron correlation in high-energy heavy-ion collisions
Jets Mach cone hot spots ridges harmonic flow dihadron $\gamma$-hadron correlation high-energy heavy-ion collisions
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2011/1/7
Within the AMPT Monte Carlo model, hot spots in the initial transverse parton density are
shown to lead to harmonic flows which all contribute to dihadron azimuthal correlation.