Constraints on the relativistic mean field of Δ-isobar in nuclear matter

Kosov, D.S., Fuchs, C., Martemyanov, B.V., and Faessler, Amand (1998) Constraints on the relativistic mean field of Δ-isobar in nuclear matter. Physics Letters B, 421 (1-4). pp. 37-40.

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Abstract

The effects of the presence of Δ-isobars in nuclear matter are studied in the framework of relativistic mean-field theory. The existence of stable nuclei at saturation density imposes constraints on the Δ-isobar self-energy and thereby on the mean-field coupling constants of the scalar and vector mesons with Δ-isobars. The range of possible values for the scalar and vector coupling constants of Δ-isobars with respect to the nucleon coupling is investigated and compared to recent predictions of QCD sum-rule calculations.

Item ID: 27297
Item Type: Article (Research - C1)
ISSN: 1873-2445
Keywords: Δ-isobar; Quantum hadron dynamics; QCD sum-rule
Date Deposited: 05 Jul 2013 03:54
FoR Codes: 02 PHYSICAL SCIENCES > 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics > 020202 Nuclear Physics @ 100%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970102 Expanding Knowledge in the Physical Sciences @ 100%
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