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| Hauptseite > Publikationsdatenbank > Density-dependent effective baryon–baryon interaction from chiral three-baryon forces > print |
| Hauptseite > Publikationsdatenbank > Density-dependent effective baryon–baryon interaction from chiral three-baryon forces > print |
| 001 | 820958 | ||
| 005 | 20240610121034.0 | ||
| 024 | 7 | _ | |a 10.1016/j.nuclphysa.2016.09.010 |2 doi |
| 024 | 7 | _ | |a 0375-9474 |2 ISSN |
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| 100 | 1 | _ | |a Petschauer, Stefan |0 P:(DE-HGF)0 |b 0 |e Corresponding author |
| 245 | _ | _ | |a Density-dependent effective baryon–baryon interaction from chiral three-baryon forces |
| 260 | _ | _ | |a Amsterdam |c 2017 |b North-Holland Publ. Co. |
| 336 | 7 | _ | |a article |2 DRIVER |
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| 520 | _ | _ | |a A density-dependent effective potential for the baryon–baryon interaction in the presence of the (hyper)nuclear medium is constructed, based on the leading (irreducible) three-baryon forces derived within SU(3) chiral effective field theory. We evaluate the contributions from three classes: contact terms, one-pion exchange and two-pion exchange. In the strangeness-zero sector we recover the known result for the in-medium nucleon–nucleon interaction. Explicit expressions for the ΛN in-medium potential in (asymmetric) nuclear matter are presented. Our results are suitable for implementation into calculations of (hyper)nuclear matter. In order to estimate the low-energy constants of the leading three-baryon forces we introduce the decuplet baryons as explicit degrees of freedom and construct the relevant terms in the minimal non-relativistic Lagrangian. With these, the constants are estimated through decuplet saturation. Utilizing this approximation we provide numerical results for the effect of the three-body force in symmetric nuclear matter and pure neutron matter on the ΛN interaction. A moderate repulsion that increases with density is found in comparison to the free ΛN interaction. |
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| 700 | 1 | _ | |a Haidenbauer, Johann |0 P:(DE-Juel1)131179 |b 1 |e Corresponding author |
| 700 | 1 | _ | |a Kaiser, Norbert |0 P:(DE-HGF)0 |b 2 |
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| 700 | 1 | _ | |a Weise, Wolfram |0 P:(DE-HGF)0 |b 4 |
| 773 | _ | _ | |a 10.1016/j.nuclphysa.2016.09.010 |g Vol. 957, p. 347 - 378 |0 PERI:(DE-600)1466542-6 |p 347 - 378 |t Nuclear physics |v 957 |y 2017 |x 0375-9474 |
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| 856 | 4 | _ | |y Published on 2017-01-31. Available in OpenAccess from 2019-01-31. |u https://juser.fz-juelich.de/record/820958/files/1607.04307.pdf |
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