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首页> 外文期刊>Physical review, C >Proton-proton momentum correlation function as a probe of the high momentum tail of the nucleon-momentum distribution
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Proton-proton momentum correlation function as a probe of the high momentum tail of the nucleon-momentum distribution

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Within an improved transport model, we examine effects of the high momentum tail of the nucleon momentum distribution induced by short-range correlations on the proton-proton momentum correlation function in Au-197 + Au-197 collisions at 400 MeV/nucleon. It is found that the proton-proton momentum correlation function from preequilibrium emissions responds sensitively to the presence as well as fraction of nucleons in the high momentum tail of the nucleon momentum distribution but is almost robustly insensitive to other factors, including the symmetry energy and the uncertainty of cutoff value of nucleon effective high momentum. In terms of the sensitivity and clearness, we propose that the proton-proton momentum correlation function from preequilibrium emissions can be as an effective probe of the high momentum tail of the nucleon momentum distribution.

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