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Article: Constraining the symmetry energy with heavy-ion collisions and Bayesian analyses

TitleConstraining the symmetry energy with heavy-ion collisions and Bayesian analyses
Authors
KeywordsSymmetry energy
Heavy-ion collisions
Bayesian analysis
Issue Date2019
PublisherElsevier: SCOAP3. The Journal's web site is located at http://www.elsevier.com/locate/physletb
Citation
Physics Letters B, 2019, v. 799, p. article no. 135045 How to Cite?
AbstractEfficiency corrected single ratios of neutron and proton spectra in central Sn112+112Sn and Sn124+124Sn collisions at 120 MeV/u are combined with double ratios to provide constraints on the density and momentum dependencies of the isovector mean-field potential. Bayesian analyses of these data reveal that the isoscalar and isovector nucleon effective masses, ms ⁎−mv ⁎ are strongly correlated. The linear correlation observed in ms ⁎−mv ⁎ yields a nearly independent constraint on the effective mass splitting Δmnp ⁎=(mn ⁎−mp ⁎)/mN=−0.05−0.09 +0.09δ. The correlated constraint on the standard symmetry energy, S0 and the slope, L at saturation density yields the values of symmetry energy S(ρs)=16.8−1.2 +1.2 MeV at a sensitive density of ρs/ρ0=0.43−0.05 +0.05. © 2019 The Authors
Persistent Identifierhttp://hdl.handle.net/10722/280122
ISSN
2019 Impact Factor: 4.384
2015 SCImago Journal Rankings: 3.186

 

DC FieldValueLanguage
dc.contributor.authorMorfouace, P-
dc.contributor.authorTsang, CY-
dc.contributor.authorZhang, Y-
dc.contributor.authorLynch, WG-
dc.contributor.authorTsang, MB-
dc.contributor.authorCoupland, DDS-
dc.contributor.authorYoungs, M-
dc.contributor.authorChajecki, Z-
dc.contributor.authorFamiano, MA-
dc.contributor.authorGhosh, TK-
dc.contributor.authorJhang, G-
dc.contributor.authorLee, J-
dc.contributor.authorLiu, H-
dc.contributor.authorSanetullaev, A-
dc.contributor.authorShowalter, R-
dc.contributor.authorWinkelbauer, J-
dc.date.accessioned2020-01-06T02:01:17Z-
dc.date.available2020-01-06T02:01:17Z-
dc.date.issued2019-
dc.identifier.citationPhysics Letters B, 2019, v. 799, p. article no. 135045-
dc.identifier.issn0370-2693-
dc.identifier.urihttp://hdl.handle.net/10722/280122-
dc.description.abstractEfficiency corrected single ratios of neutron and proton spectra in central Sn112+112Sn and Sn124+124Sn collisions at 120 MeV/u are combined with double ratios to provide constraints on the density and momentum dependencies of the isovector mean-field potential. Bayesian analyses of these data reveal that the isoscalar and isovector nucleon effective masses, ms ⁎−mv ⁎ are strongly correlated. The linear correlation observed in ms ⁎−mv ⁎ yields a nearly independent constraint on the effective mass splitting Δmnp ⁎=(mn ⁎−mp ⁎)/mN=−0.05−0.09 +0.09δ. The correlated constraint on the standard symmetry energy, S0 and the slope, L at saturation density yields the values of symmetry energy S(ρs)=16.8−1.2 +1.2 MeV at a sensitive density of ρs/ρ0=0.43−0.05 +0.05. © 2019 The Authors-
dc.languageeng-
dc.publisherElsevier: SCOAP3. The Journal's web site is located at http://www.elsevier.com/locate/physletb-
dc.relation.ispartofPhysics Letters B-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.subjectSymmetry energy-
dc.subjectHeavy-ion collisions-
dc.subjectBayesian analysis-
dc.titleConstraining the symmetry energy with heavy-ion collisions and Bayesian analyses-
dc.typeArticle-
dc.identifier.emailLee, J: jleehc@hku.hk-
dc.identifier.authorityLee, J=rp01902-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1016/j.physletb.2019.135045-
dc.identifier.scopuseid_2-s2.0-85074352584-
dc.identifier.hkuros308865-
dc.identifier.volume799-
dc.identifier.spagearticle no. 135045-
dc.identifier.epagearticle no. 135045-
dc.publisher.placeNetherlands-

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