搜索结果: 31-45 共查到“知识库 重离子核物理学”相关记录506条 . 查询时间(2.625 秒)
The ALICE detector recorded Pb-Pb collisions at sqrtsNN = 2.76 TeV at the LHC in November-December 2010. We present the results of the measurements that provide a first characterization of the hot and...
Semi-inclusive Deep Inelastic Scattering off Few-Nucleon Systems: Tagging the EMC Effect and Hadronization Mechanisms by with Detection of Slow Recoiling Nuclei
Semi-inclusive Deep Inelastic Scattering off Few-Nucleon Systems EMC Effect Hadronization Mechanisms by with Detection of Slow Recoiling Nuclei
2011/1/7
The semi-inclusive deep inelastic scattering of electrons off the deuteron (2H D) and 3He with de-tection of slow protons and deuterons, respectively, i.e. the processes D(e, e′p)X and 3He(e, e′D)X,...
Antiproton-to-Proton Ratios for ALICE Heavy-Ion Collisions
Antiproton-to-Proton Ratios ALICE Heavy-Ion Collisions
2011/1/10
Assuming that the final state of hadronization takes place along the freezeout line, which is defined by a constant entropy density, the antiproton-to-proton ratios produced in heavy-ion collisions ar...
Theoretical Modeling of J/psi Yield Modifications in Proton (Deuteron) - Nucleus Collisions at High Energy
J/psi Yield Modifications Proton (Deuteron) - Nucleus Collisions High Energy
2011/1/6
Understanding the detailed production and hadronization mechanisms for heavy quarkonia and
their modi cation in a nuclear environment presents one of the major challenges in QCD. Calcula-tions includ...
A~110核区手征双重带寻找
能级纲图 手征性 转动惯量 旋称
2011/8/22
用重离子熔合蒸发反应布居A～110核区缺中子奇奇核106,108Ag的高自旋态，分别在这两个核中找到了类似104Rh中基于πg9/2 νh11/2组态的手征双带结构。它们的能级能量、旋称及B(M1)/B(E2)随角动量的变化关系符合手征带的特征。然而，进一步分析发现，106Ag、108Ag双带之间的转动惯量及准粒子角动量顺排存在较大差别，说明两者的晕带和伴带所基于的核芯形变与角动量耦合模式并不一致...
Heavy Ion Initial Conditions and Correlations Between Higher Moments in the Spatial Anisotropy
Heavy Ion Initial Conditions Correlations Higher Moments Spatial Anisotropy
2011/1/7
Fluctuations in the initial conditions for relativistic heavy ion collisions are proving to be crucial to understanding final state flow and jet quenching observables. The initial geometry has been pa...
基于ACEX1K50的HIRFL-CSR同步处理器设计
事例 同步处理器 SDRAM
2011/8/25
同步处理器是兰州重离子加速器冷却储存环（HIRFL-CSR）同步系统的核心部件，是HIRFL-CSR控制系统的最高指令单元和定时单元，对定时的精确性要求在ns级，且对运行的稳定性要求也非常高。本文详细介绍了在ACEX1K50芯片上采用硬件描述语言（VHDL）实现同步处理器的主要功能模块的方法及采用的关键技术，给出了事例发送测试结果和实际应用情况。
Baryonic Bound State of Vortices in Multicomponent Superconductors
Baryonic Bound State of Vortices Multicomponent Superconductors
2011/1/7
We construct a bound state of three 1/3-quantized vortices in three-component su-perconductors with intrinsic Josephson couplings, which may be relevant with regard to iron-based superconductors.
Flavor structure of the baryon-baryon interaction from lattice QCD
Flavor structure baryon-baryon interaction lattice QCD
2011/1/7
We investigate baryon-baryon (BB) interactions in the 3-flavor full QCD simulations with degenerate quark masses for all flavors. The BB potentials in the orbital S-wave are extracted from the Nambu-B...
Directed flow at midrapidity in heavy-ion collisions
Directed flow midrapidity heavy-ion collisions
2011/1/10
It was recently shown by Teaney and Yan that fluctuations in the initial geometry of a heavy
ion collision generally result in a dipole asymmetry of the distribution of outgoing particles.
Radiative decays of dynamically generated charmed baryons
Radiative decays of dynamically charmed baryons
2011/1/10
In this work we study the radiative decay of dynamically generated JP = 12 − charm baryons into the ground state JP = 1 2 + baryons. Since different theoretical interpretations of these baryonic...
重力分离空间均匀流中液滴行为问题研究
汽水分离器 液滴 重力分离
2011/8/18
本文针对汽水分离器均匀流场中单个液滴的运动机理进行研究，分析了液滴在蒸汽流中所受的力；建立了单个液滴运动模型，并进行了数值求解；分析了其主要参数对液滴运动轨迹的影响，包括蒸汽流速、液滴直径和初速度等。定性描述了蒸汽流场中液滴重力分离之机理，为单液滴动力学模型定量分析奠定了基础。
贮氢金属多层膜制备技术及吸氢性能研究
贮氢金属 镀膜 复合膜 吸氢
2011/8/19
研究了用电子束蒸发方法在Mo底衬上制备Ti-Ni复合膜和在SiO2底衬上制备Mo-Ti-Ni复合膜的方法，用离子束分析方法测量了各膜层的厚度，并对样品的吸氢性能进行了分析。研究发现，Ti膜表面镀Ni后，其吸氢温度降低，吸氢总量增加，表明其吸氢活性增强；Mo-Ti-Ni复合膜在Ti氢化后与SiO2底衬结合良好，并具有较高的强度，但这种膜对底衬的清洁度要求更高；50 nm的Ti膜难以吸氢，原因可能是膜...
In the framework of the constituent quark model, the possible S-wave heavy dibaryon states with the c flavor are investigated. The factors which are responsible for the binding behavior of the dibaryo...