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Chiral solitons in nuclei: saturation, EMC effect, and Drell-Yan experiments
Jason R Smith1, Gerald A Miller
1Department of Physics, University of Washington, Seattle, Washington 98195-1560, USA.
Physical Review Letters
|December 20, 2003
Summary
The chiral quark-soliton model explains nucleon interactions and nuclear matter properties. This model successfully describes both the nuclear EMC effect and Drell-Yan experiments, offering insights into quark behavior within nuclear environments.
Area of Science:
- Nuclear Physics
- Quantum Chromodynamics
- Particle Physics
Background:
- The chiral quark-soliton model provides a framework for understanding nucleon structure.
- Nuclear matter properties are crucial for comprehending atomic nuclei.
- Previous models have limitations in describing medium effects on nucleons.
Purpose of the Study:
- To compute the saturation properties of infinite nuclear matter using the chiral quark-soliton model.
- To investigate the effects of the nuclear medium on nucleons, including valence and sea quarks.
- To assess the model's capability in describing the nuclear EMC effect and Drell-Yan experiments.
Main Methods:
- Utilizing a mechanism for attractive interaction between nucleons within the chiral quark-soliton model.
- Incorporating the exchange of vector mesons between nucleons.
- Calculating saturation properties of infinite nuclear matter.
Main Results:
- The model demonstrates an attractive interaction mechanism between nucleons.
- Saturation properties of nuclear matter were computed.
- The model successfully describes the nuclear EMC effect.
- The model also describes related Drell-Yan experiments.
Conclusions:
- The chiral quark-soliton model offers a novel approach to studying nuclear matter.
- The model effectively incorporates the influence of the nuclear medium on nucleon structure.
- Simultaneous description of the nuclear EMC effect and Drell-Yan experiments validates the model's predictive power.