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Nuclear Theory·nucl-th

Friday·February 27, 2015

5 papers—3 primary·2 cross-listed

All5Primary3Cross-lists2
  1. 04

    Examination of the Nature of the ABC Effect

    M. Bashkanov🇬🇧 · H. Clement🇩🇪 · T. Skorodko🇩🇪

    Recently it has been shown by exclusive and kinematically complete experiments that the appearance of a narrow resonance structure in double-pionic fusion reactions is strictly correlated with the appearance of the so-called ABC effect, which denotes a pronounced low-mass enhancement in the -invariant mass spectrum. Whereas the resonance structure got its explanation by the dibaryonic resonance, a satisfactory explanation for the ABC effect is still pending. In this paper we discuss possible explanations of the ABC effect and their consequences for the internal structure of the dibaryon.

    ↳ nucl-exnucl-thNPA(2017)·32 citations
  2. 05

    Long-range pseudorapidity dihadron correlations in +Au collisions at GeV

    L. Adamczyk🇵🇱 · J. K. Adkins🇺🇸 · G. Agakishiev🇷🇺 · M. M. Aggarwal🇮🇳 · Z. Ahammed🇮🇳 · I. Alekseev🇷🇺 · J. Alford🇺🇸 · A. Aparin🇷🇺 · D. Arkhipkin🇺🇸 · E. C. Aschenauer🇺🇸 · G. S. Averichev🇷🇺 · A. Banerjee🇮🇳 and 323 other authors

    Dihadron angular correlations in +Au collisions at GeV are reported as a function of the measured zero-degree calorimeter neutral energy and the forward charged hadron multiplicity in the Au-beam direction. A finite correlated yield is observed at large relative pseudorapidity () on the near side (i.e. relative azimuth ). This correlated yield as a function of appears to scale with the dominant, primarily jet-related, away-side () yield. The Fourier coefficients of the correlation, , have a strong dependence. In addition, it is found that is approximately inversely proportional to the mid-rapidity event multiplicity, while is independent of it with similar magnitude in the forward (-going) and backward (Au-going) directions.

    ↳ nucl-exnucl-thPLB(2015)·145 citations

Affiliations

first authorsco-authorsvia INSPIRE