Publisher's Note: Fragment yield distribution and the influence of neutron composition and excitation energy in multifragmentation reactions [Phys. Rev. C 71, 024602 (2005)]

Shetty, D. V.; Botvina, A. S.; Yennello, S. J.; Souliotis, G. A.; Bell, Erin; Keksis, A.

doi:10.1103/physrevc.71.029903

Cited by 29 publications

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“…It has been observed experimentally and also theoretically in many types of reactions that the ratio R 21 (N, Z) of the yields of a fragment with proton number Z and neutron number N from two reactions reaching about the same temperature T satisfies an exponential relation R 21 (N, Z) ∝ exp(αN) [37,45,52,61,[372][373][374][375][376][377][378][379][380][381][382][383][384][385][386]. In particular, several statistical and dynamical models [45,52,372,381] have shown, under some assumptions, that the scaling coefficient α is related to the symmetry energy C sym (ρ, T ) via…”

Section: Evolution Of the Symmetry Energy Observed In The Isoscaling mentioning

confidence: 99%

Recent progress and new challenges in isospin physics with heavy-ion reactions

2008

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The ultimate goal of studying isospin physics via heavy-ion reactions with neutron-rich, stable and/or radioactive nuclei is to explore the isospin dependence of in-medium nuclear effective interactions and the equation of state of neutron-rich nuclear matter, particularly the isospin-dependent term in the equation of state, i.e., the density dependence of the symmetry energy. Because of its great importance for understanding many phenomena in both nuclear physics and astrophysics, the study of the density dependence of the nuclear symmetry energy has been the main focus of the intermediate-energy heavy-ion physics community during the last decade, and significant progress has been achieved both experimentally and theoretically. In particular, a number of phenomena or observables have been identified as sensitive probes to the density dependence of the nuclear symmetry energy. Experimental studies have confirmed some of these interesting isospin-dependent effects and allowed us to constrain relatively stringently the symmetry energy at sub-saturation densities. The impacts of this constrained density dependence of the symmetry energy on the properties of neutron stars have also been studied, and they were found to be very useful for the astrophysical community. With new opportunities provided by the various radioactive beam facilities being constructed around the world, the study of isospin physics is expected to remain one of the forefront research areas in nuclear physics. In this report, we review the major progress achieved during the last decade in isospin physics with heavy ion reactions and discuss future challenges to the most important issues in this field.Key words: Equation of state of asymmetric nuclear matter, Nuclear symmetry energy, Heavy-ion reactions with neutron-rich nuclei, Neutron skin thickness of heavy nuclei, Neutron stars Constraining the Skyrme effective interactions and the neutron skin thickness of heavy nuclei using terrestrial nuclear laboratory data 216 8

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Section: Evolution Of the Symmetry Energy Observed In The Isoscaling mentioning

confidence: 99%

Recent progress and new challenges in isospin physics with heavy-ion reactions

2008

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“…[50] possible changes in symmetry energy of hot fragments can be extracted from the isoscaling data. The experimental evidences have been found that the symmetry energy of hot fragments in the freeze-out volume decreases noticeably as compared with cold nuclei [56,57].…”

Section: Fragments In the Statistical Approachmentioning

confidence: 99%

Statistical description of nuclear break-up

Botvina

Mishustin

2006

Eur. Phys. J. A

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We present an overview of concepts and results obtained with statistical models in study of nuclear multifragmentation. Conceptual differences between statistical and dynamical approaches, and selection of experimental observables for identification of these processes, are outlined. New and perspective developments, like inclusion of in-medium modifications of the properties of hot primary fragments, are discussed. We list important applications of statistical multifragmentation in other fields of research. : 25.70.Pq , 21.65.+f PACS

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“…This is probably due to the decay toward stability of exotic isotopes. Therefore, within the SMM framework, experimental values of or close to 14 MeV, recently reported in [6,[28][29][30], should be interpreted as the lower limit for the real C in sym value, especially if heavy fragments are included in the analysis. The stronger dependence between C in sym and C out sym when only light fragments are considered indicates that a better understanding of heavier fragment production should be sought.…”

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Systematic study of the symmetry energy within the approach of the statistical multifragmentation model

et al. 2013

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A systematic study on the effect of secondary decay on the symmetry energy coefficient extracted by isoscaling and the recently proposed isobaric yield ratio methods within the Statistical Multifragmentation Model is performed. The correlations between the input symmetry energy coefficients and the calculated ones from both primary and secondary fragment yields are analysed. Results for secondary fragments show that the best estimation of the input symmetry energy coefficient within SMM is obtained by the isoscaling method, using the yields of light fragments. A comparison to experimental results is also presented.

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Publisher's Note: Fragment yield distribution and the influence of neutron composition and excitation energy in multifragmentation reactions [Phys. Rev. C 71, 024602 (2005)]

Cited by 29 publications

References 0 publications

Recent progress and new challenges in isospin physics with heavy-ion reactions

Recent progress and new challenges in isospin physics with heavy-ion reactions

Statistical description of nuclear break-up

Systematic study of the symmetry energy within the approach of the statistical multifragmentation model

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