Saturation and s-channel helicity nonconservation in diffractive DIS

Ivanov IP; Nikolaev NN; Schafer W

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Saturation and s-channel helicity nonconservation in diffractive DIS

机译：饱和度饱和度和S沟道螺旋不应过度

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摘要

The s-channel helicity conservation (SCHC) in diffractive DIS is known to break down despite the exact conservation of the s-channel helicity of quarks in high-energy QCD. Here, we demonstrate that the s-channel helicity nonconservation (SCHNC) in diffractive vector meson production survives strong absorption effects in nuclear targets. This must be contrasted with the classic 1959 result of Glauber, who showed that the spin-flip phenomena caused by the conventional spin-orbit interaction do vanish in scattering off heavy, strongly absorbing nuclei. The intranuclear absorption often discussed in terms of saturation effects introduces a new large-scale Q(A)(2) into the calculation of diffractive vector meson production amplitudes. Based on the color dipole approach, we show how the impact of the saturation scale Q(A)(2) changes from coherent to incoherent (quasi-free) diffractive vector mesons.

机译：尽管在高能量QCD中Quarks的S沟道螺旋确切地保护了衍射DIS的S沟道螺旋保护（SCHC）。在这里，我们证明了衍射载体中的S沟道螺旋非经常性（SCHNC）在核目标中存活了强烈的吸收效应。这必须与Glauber的经典成果形成鲜明对比，他们表明传统的旋转轨道互动引起的旋转翻转现象确实消失在散射重，强烈地吸收的核。通常在饱和效应方面讨论的核内吸收将新的大规模Q（a）（2）引入衍射载体衍生幅度的计算中。基于彩色偶极方法，我们展示了饱和度Q（a）（2）的影响如何从相干到非连贯（准无）衍射载体侧秒。

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来源
《Physics of particles and nuclei》 |2004年第1期|共8页
作者
Ivanov IP; Nikolaev NN; Schafer W;
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作者单位

Sobolev Inst Math Novosibirsk 630090 Russia;

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原文格式 PDF
正文语种 eng
中图分类分子物理学、原子物理学;
关键词
DEEP-INELASTIC-SCATTERING; TRANSVERSE SPIN ASYMMETRIES; VECTOR-MESONS; QUANTUM CHROMODYNAMICS; COLOR TRANSPARENCY; SUM-RULES; SMALL X; HERA; ELECTROPRODUCTION; POLARIZATION;

机译：深入弹性散射;横向旋转不对称;载体介子;量子色动力学;颜色透明度;总和规则;小x;英雄;电力;极化;

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专利

1. Saturation and s-channel helicity nonconservation in diffractive DIS [J] . Ivanov IP, Nikolaev NN, Schafer W Physics of particles and nuclei . 2004,第Suppla1期

机译：饱和度饱和度和S沟道螺旋不应过度
2. Diffractive dissociation and saturation scale from non-linear evolution in high energy DIS [J] . E. Levin, M. Lublinsky The European physical journal, C. Particles and fields . 2002,第4期

机译：高能DIS中非线性演化的衍射解离和饱和尺度
3. Diffractive dissociation and saturation scale from non-linear evolution in high energy DIS [J] . E.?Levin, M.?Lublinsky European physical journal . 2002,第4期

机译：高能DIS中非线性演化的衍射解离和饱和尺度
4. Diffraction patterns from holographic masks generated using combined axicon and helical phase distributions [C] . M. Mihailescu, L. Preda, C. Kusko, SPIE Conference on Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies . 2015

机译：来自使用组合轴和螺旋相分布产生的全息掩模的衍射图案
5. TWO TOPICS IN PARTICLE PHYSICS: I. TESTS FOR HELICITY CONSERVATION AND SPIN-PARITY SELECTION RULES IN DIFFRACTION DISSOCIAITON. II. INDEPENDENT PRODUCTION OF PIONS. [D] . SILVER, RICHARD NEIL. 1971

机译：特定物理学中的两个主题：I.衍射分离中的守恒性和自旋选择规则的测试。二。独立生产的小桩。
6. X-ray diffraction from intraneuronal paired helical filaments and extraneuronal amyloid fibers in Alzheimer disease indicates cross-beta conformation. [O] . D A Kirschner, C Abraham, D J Selkoe 1986

机译：在阿尔茨海默氏病中来自神经内成对的螺旋细丝和神经外淀粉样纤维的X射线衍射显示了交叉β构象。
7. Impact of saturation on s-channel helicity nonconservation for diffractive vector mesons [O] . Ivanov, I. P., Nikolaev, N. N., Schäfer, W. 2003

机译：饱和度对s通道螺旋非保守性的影响衍射矢量介子

Saturation and s-channel helicity nonconservation in diffractive DIS

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