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QCD sum rule for nucleon in nuclear matter

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Abstract

We consider the two-point function of nucleon current in nuclear matter and write a QCD sum rule to analyse the residue of the nucleon pole as a function of nuclear density. The nucleon self-energy needed for the sum rule is taken as input from calculations using phenomenological N N potential. Our result shows a decrease in the residue with increasing nuclear density, as is known to be the case with similar quantities.

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Authors and Affiliations

  1. Theory Division, Saha Institute of Nuclear Physics, 1/AF Bidhannagar, Kolkata, 700064, India

    S. Mallik

  2. Variable Energy Cyclotron Centre, 1/AF, Bidhannagar, Kolkata, 700064, India

    Sourav Sarkar

Authors
  1. S. Mallik
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  2. Sourav Sarkar
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Correspondence to S. Mallik.

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Mallik, S., Sarkar, S. QCD sum rule for nucleon in nuclear matter. Eur. Phys. J. C 65, 247–255 (2010). https://doi.org/10.1140/epjc/s10052-009-1182-0

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  • DOI: https://doi.org/10.1140/epjc/s10052-009-1182-0

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