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Absorption of \(\omega\) and \(\phi\) mesons in the inclusive photonuclear reaction

  • Swapan DasEmail author
Regular Article - Theoretical Physics

Abstract.

The \(\omega\) and \(\phi\) mesons dominantly decay outside the nucleus because their decay length is much larger than the dimension of the nucleus. Therefore, the medium modification of the above mesons is studied through their absorption in the nucleus. CLAS Collaboration at Jefferson Laboratory (Jlab) has investigated the absorption of the \(\omega\) and \( \phi\) mesons by measuring the nuclear transparency ratios for them in the \(\gamma A \rightarrow \omega (\phi) X \rightarrow e^{+}e^{-}X\) reaction. The nuclear transparency ratios for both \(\omega\) and \(\phi\) mesons in the above reactions have been calculated and compared with the experimental findings, reported from Jlab, to estimate the \(\omega\) meson nucleon and \(\phi\) meson nucleon cross sections in the nucleus.

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Copyright information

© Società Italiana di Fisica and Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Nuclear Physics DivisionBhabha Atomic Research CentreTrombay, MumbaiIndia
  2. 2.Homi Bhabha National InstituteAnushakti Nagar, MumbaiIndia

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