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

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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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Authors and Affiliations

  1. Nuclear Physics Division, Bhabha Atomic Research Centre, 400085, Trombay, Mumbai, India

    Swapan Das

  2. Homi Bhabha National Institute, 400094, Anushakti Nagar, Mumbai, India

    Swapan Das

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  1. Swapan Das
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Correspondence to Swapan Das.

Additional information

Communicated by R. Rapp

Data Availability Statement

This manuscript has no associated data or the data will not be deposited. [Author’s comment: The experimental data are not generated in this study. They are taken from the references quoted in the text.]

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Das, S. Absorption of \(\omega\) and \(\phi\) mesons in the inclusive photonuclear reaction. Eur. Phys. J. A 55, 186 (2019). https://doi.org/10.1140/epja/i2019-12875-2

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