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Nuclear Theory·nucl-th

Thursday·January 18, 2024

7 papers—3 primary·4 cross-listed

All7Primary3Cross-lists4
  1. 01

    Carbon-12 in the generalized Skyrme model

    Christoph Adam🇪🇸 · Carlos Naya🇵🇱 · Andrzej Wereszczyński🇵🇱

    We study properties of the C nucleus within the generalized Skyrme model where, in addition to the standard massive Skyrme model, the sextic term and the pionic potential squared are included. We find that the model continues to accurately describe the rotational bands of the C nucleus. In addition, at variance with the case of the standard Skyrme model, it provides the correct energy ordering of the classical solutions which correspond to the ground state and the Hoyle state, respectively.

    nucl-thhep-th3 citations
  2. 02

    Progress and Challenges in Small Systems

    Jorge Noronha🇺🇸 · Björn Schenke🇺🇸 · Chun Shen🇺🇸 · Wenbin Zhao🇺🇸

    We present a comprehensive review of the theoretical and experimental progress in the investigation of novel high-temperature quantum chromodynamics phenomena in small systems at both the Relativistic Heavy Ion Collider and the Large Hadron Collider. We highlight the challenges and opportunities associated with studying small systems, by which we generally mean collision systems that involve at least one light ion or even a photon projectile. We discuss perspectives on possible future research directions to better understand the underlying physics at work in the collisions of small systems.

    nucl-thhep-phIJMPE(2024)·63 citations
  3. 03

    Deuteron gravitational form factors: exchange currents

    Fangcheng He🇺🇸 · Ismail Zahed🇺🇸

    Following on our recent analysis of the energy momentum tensor (EMT) of light nuclei in the impulse approximation, we evaluate the leading exchange corrections also upto momenta of the order of the nucleon mass. The exchange contributions to the EMT, are composed of the pair interaction, plus the seagull and the pion exchange interactions, modulo the recoil correction. The exchange contributions are shown to satisfy the current conservation requirement. These contributions are small compared to those from the impulse approximation for most of the deuteron gravitational form factors (GFFs), for momenta smaller than half of the nucleon mass. For larger momenta, the exchange contributions are significant for the deuteron A- and D-GFFs. We suggest that the pion GFFs can be extracted from the exchange contributions of select deuteron GFFs.

    nucl-thhep-phPRC(2024)·7 citations

Affiliations

first authorsco-authorsvia INSPIRE