Hypernuclei production with a modified coalescence model in BUU transport calculations
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arXiv
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| Format: | Preprint |
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2024
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| _version_ | 1866913577189769216 |
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| author | Balassa, Gabor Wolf, Gyorgy |
| author_facet | Balassa, Gabor Wolf, Gyorgy |
| contents | In this paper, the usual momentum- and coordinate-space distance criteria for creating nuclear clusters in transport simulations are addressed by using a dynamical, covariant description in an off-shell Boltzmann-Uehling-Uhlenbeck transport approach. The free parameter of this clustering scheme is the cluster formation time, which is fitted through the FOPI data of low energy charged cluster multiplicities in Au+Au collisions at 150 A MeV and 400 A MeV incident energies. The coalescence model is used to estimate the yields of the 3H(Lambda), 5H(2Lambda), 6He(2Lambda) single and double strange hypernuclei in central Au+Au collisions between 2, and 20 A GeV incident energies, giving comparable results to estimations from other methods. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2411_08379 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Hypernuclei production with a modified coalescence model in BUU transport calculations Balassa, Gabor Wolf, Gyorgy High Energy Physics - Phenomenology Nuclear Theory In this paper, the usual momentum- and coordinate-space distance criteria for creating nuclear clusters in transport simulations are addressed by using a dynamical, covariant description in an off-shell Boltzmann-Uehling-Uhlenbeck transport approach. The free parameter of this clustering scheme is the cluster formation time, which is fitted through the FOPI data of low energy charged cluster multiplicities in Au+Au collisions at 150 A MeV and 400 A MeV incident energies. The coalescence model is used to estimate the yields of the 3H(Lambda), 5H(2Lambda), 6He(2Lambda) single and double strange hypernuclei in central Au+Au collisions between 2, and 20 A GeV incident energies, giving comparable results to estimations from other methods. |
| title | Hypernuclei production with a modified coalescence model in BUU transport calculations |
| topic | High Energy Physics - Phenomenology Nuclear Theory |
| url | https://arxiv.org/abs/2411.08379 |