Analysis reveals photon emission sensitivity to high-momentum tail in neutron-rich nuclei, suggesting deeper insights into nuclear reactions.
The effect of high-momentum tail (HMT) in nucleon momentum distribution of neutron-rich nuclei has been investigated by employing proton-neutron bremsstrahlung photons in the reactions of ¹²⁴Sn +¹²⁴Sn, ¹¹²Sn + ¹¹²Sn and ¹⁹⁷Au + ¹⁹⁷Au at intermediate energies based on the IBUU transport model. With the time evolution of photon multiplicity and the double differential probability of photon production, we show the emission of bremsstrahlung photons is sensitive to the high-momentum component in nucleon momentum distribution of neutron-rich nuclei, and the HMT can lead to an obvious increase of hard photon production from proton-neutron bremsstrahlung collisions. Finally, the ratio of double differential photon production probability is examined as possible probe of the HMT in nucleon momentum distribution of neutron-rich nuclei.
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Zhi Wang (2025) studied this question.
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