Coherence effects in deep inelastic scattering from nuclei [electronic resource]
A complete theoretical picture of multiple scattering processes in QCD remains elusive. In deep inelastic scattering experiments (DIS), we hope to find out information about the internal structure of nuclei from inelastically scattering high-energy electrons off them. The electrons interact via virt...
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Online Access |
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| Corporate Author: | |
| Format: | Government Document Electronic eBook |
| Language: | English |
| Published: |
Washington, D.C. : Oak Ridge, Tenn. :
United States. Department of Energy ; distributed by the Office of Scientific and Technical Information, U.S. Department of Energy,
2001.
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| Subjects: |
MARC
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| 245 | 0 | 0 | |a Coherence effects in deep inelastic scattering from nuclei |h [electronic resource] |
| 260 | |a Washington, D.C. : |b United States. Department of Energy ; |a Oak Ridge, Tenn. : |b distributed by the Office of Scientific and Technical Information, U.S. Department of Energy, |c 2001. | ||
| 300 | |a 5 p. : |b digital, PDF file. | ||
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| 500 | |a Published through SciTech Connect. | ||
| 500 | |a 01/01/2001. | ||
| 500 | |a "la-ur-01-4398" | ||
| 500 | |a "Submitted to: 2001 Student Symposium, Santa Fe, NM, August 2001" | ||
| 500 | |a Raufeisen, J.; Ver Steeg, G. L. | ||
| 520 | 3 | |a A complete theoretical picture of multiple scattering processes in QCD remains elusive. In deep inelastic scattering experiments (DIS), we hope to find out information about the internal structure of nuclei from inelastically scattering high-energy electrons off them. The electrons interact via virtual photon exchange with the target. In the target rest frame the virtual photon splits into a quark-antiquark pair which is then scattered off the target color field. At high energies, coherent multiple scattering within the nucleus takes place. We develop a model that uses a parameterization of scattering cross section of the quark-antiquark pair off the proton to predict the cross section suppression known as shadowing in larger nuclei. This model takes the possibility of multiple scattering into account using Glauber high-energy collision theory. In large nuclei we must also move beyond the eikonal approximation by correcting for the finite lifetime of the quark-antiquark pair inside the nucleus. Results and implications of this model in relation to available data will be discussed. Finally, application of this type of model to predicting gluon densities will be considered. Understanding this process can give us insights into the more oomplicated scattering taking place in heavy ion colliders such as RHIC and LHC. | |
| 650 | 7 | |a Color. |2 local. | |
| 650 | 7 | |a Cross Sections. |2 local. | |
| 650 | 7 | |a Deep Inelastic Scattering. |2 local. | |
| 650 | 7 | |a Eikonal Approximation. |2 local. | |
| 650 | 7 | |a Electrons. |2 local. | |
| 650 | 7 | |a Gluons. |2 local. | |
| 650 | 7 | |a Heavy Ions. |2 local. | |
| 650 | 7 | |a Lifetime. |2 local. | |
| 650 | 7 | |a Multiple Scattering. |2 local. | |
| 650 | 7 | |a Nuclei. |2 local. | |
| 650 | 7 | |a Photons. |2 local. | |
| 650 | 7 | |a Protons. |2 local. | |
| 650 | 7 | |a Quantum Chromodynamics. |2 local. | |
| 650 | 7 | |a Scattering. |2 local. | |
| 650 | 7 | |a Targets. |2 local. | |
| 650 | 7 | |a Physics Of Elementary Particles And Fields. |2 edbsc. | |
| 650 | 7 | |a Classical And Quantum Mechanics, General Physics. |2 edbsc. | |
| 650 | 7 | |a Atomic And Molecular Physics. |2 edbsc. | |
| 710 | 2 | |a Los Alamos National Laboratory. |4 res. | |
| 710 | 1 | |a United States. |b Department of Energy. |4 spn. | |
| 710 | 1 | |a United States. |b Department of Energy. |b Office of Scientific and Technical Information. |4 dst. | |
| 856 | 4 | 0 | |u http://www.osti.gov/scitech/biblio/975680 |z Online Access |
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