Level structures of 113In

Y., K.; Lu, Jingbin; Yang, Dong; Wang, Huidong; Liu, Y. Z.; Li, J.; Zhu, Lei; Wu, X. G.; Zheng, Y.; He, Chun

doi:10.1140/epja/i2012-12082-9

Cited by 22 publications

(17 citation statements)

References 34 publications

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“…The isobaric yield ratio (IYR) is used to study the symmetry energy of the fragment at finite temperatures [6,8,[27][28][29]. When using IYR to study the µ n and µ p , the analysis method should be reconstructed.…”

Section: Model Descriptionmentioning

confidence: 99%

“…The isoscaling phenomena are systemically studied experimentally, and extensively examined in theories from dynamical models to statistical models [5,[11][12][13][14][15][16][17][18][19][20][21], The effects of the secondary decay, which significantly influence the results, are also investigated [13,[22][23][24][25]. Besides the isoscaling method, the isobaric yield ratio is promoted to determine the symmetry energy of the fragments produced in HICs in a modified Fisher model [6,[26][27][28][29]. At the same time, the isotopic ratio and the isobaric ratio are also used to study the temperatures of the colliding sources [1,[30][31][32][33][34][35][36][37] or the heavy fragments in HICs [8,37,38].…”

Section: Introductionmentioning

confidence: 99%

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Isobaric yield ratio difference in heavy-ion collisions, and comparison to isoscaling

Wang

Zhang

et al. 2013

Phys. Rev. C

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An isobaric yield ratio difference (IBD) method is proposed to study the ratio of the difference between the chemical potential of neutron and proton to temperature (∆µ/T ) in heavy-ion collisions. The ∆µ/T determined by the IBD method (IB-∆µ/T ) is compared to the results of the isoscaling method (IS-∆µ/T ), which uses the isotopic or the isotonic yield ratio. Similar distributions of the IB-and IS-∆µ/T are found in the measured 140A MeV 40,48 Ca + 9 Be and the 58,64 Ni + 9 Be reactions. The IB-and IS-∆µ/T both have a distribution with a plateau in the small mass fragments plus an increasing part in the fragments of relatively larger mass. The IB-and IS-∆µ/T plateaus show dependence on the n/p ratio of the projectile. It is suggested that the height of the plateau is decided by the difference between the neutron density (ρn) and the proton density (ρp) distributions of the projectiles, and the width shows the overlapping volume of the projectiles in which ρn and ρp change very little. The difference between the IB-and IS-∆µ/T is explained by the isoscaling parameters being constrained by the many isotopes and isotones, while the IBD method only uses the yields of two isobars. It is suggested that the IB-∆µ/T is more reasonable than the IS-∆µ/T , especially when the isotopic or isotonic ratio disobeys the isoscaling. As to the question whether the ∆µ/T depends on the density or the temperature, the density dependence is preferred since the low density can result in low temperature in the peripheral reactions.

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Section: Model Descriptionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Isobaric yield ratio difference in heavy-ion collisions, and comparison to isoscaling

Wang

Zhang

et al. 2013

Phys. Rev. C

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“…This also has significant influence in deciding the structure of neutron-rich and neutron-deficient nuclei. The study of nuclear multifragmentation in heavyion reactions is an important tool for extracting information about the symmetry energy term, and this has created much interest in the nuclear physics community in recent years [7][8][9][10][11][12][13][14][15][16][17]. In nuclear multifragmentation reactions, the neutronproton composition of the break-up fragments is dictated by the asymmetry term of the equation of state and hence the study of the multifragmentation process allows one to obtain information about the symmetry term.…”

mentioning

confidence: 99%

“…According to the isobaric yield ratio method [14][15][16][17]39], obtained from the grand canonical expression for cluster yields, C sym can be expressed as…”

mentioning

confidence: 99%

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Symmetry energy from nuclear multifragmentation

Mallik

Chaudhuri

2013

Phys. Rev. C

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The ratio of symmetry energy coefficient to temperature Csym/T is extracted from different prescriptions using the isotopic as well as the isobaric yield distributions obtained in different projectile fragmentation reactions. It is found that the values extracted from our theoretical calculation agree with those extracted from the experimental data but they differ very much from the input value of the symmetry energy used. The best possible way to deduce the value of the symmetry energy coefficient is to use the fragment yield at the breakup stage of the reaction and it is better to use the grand canonical model for the fragmentation analysis. This is because the formulas that are used for the deduction of the symmetry energy coefficient are all derived in the framework of the grand canonical ensemble which is valid only at the break-up (equilibrium) condition. The yield of "cold" fragments either from the theoretical models or from experiments when used for extraction of the symmetry energy coefficient using these prescriptions might lead to the wrong conclusion.PACS numbers: 25.70Mn, 25.70PqIntroduction:-Isospin-dependent phenomena in nuclear physics has been an active area of research [1,2] in recent years with the aim of enriching our knowledge about the symmetry term of the nuclear equation of state. The study of this quantity at different regimes of density and temperature is a hot topic [3][4][5] in the nuclear physics community. This term plays an important role in areas of astrophysical interest such as the study of supernova explosions and the properties of neutron stars [6]. This also has significant influence in deciding the structure of neutron-rich and neutron-deficient nuclei. The study of nuclear multifragmentation in heavyion reactions is an important tool for extracting information about the symmetry energy term, and this has created much interest in the nuclear physics community in recent years [7][8][9][10][11][12][13][14][15][16][17]. In nuclear multifragmentation reactions, the neutronproton composition of the break-up fragments is dictated by the asymmetry term of the equation of state and hence the study of the multifragmentation process allows one to obtain information about the symmetry term. Statistical models [18][19][20] that are simple and economic are very successful in predicting the outcome of nuclear multifragmentation reactions. Different formulas [14,[21][22][23] have been proposed in the literature that connect the measurable fragment isotopic and isobaric observables of multifragmentation reactions to the symmetry energy of excited nuclei and these have been applied to the analysis of heavy-ion collision data. These formulas have all been deduced using the grand canonical version of the nuclear multifragmentation model assuming an equilibrium scenario for the break-up stage of the disintegrating system. They have been used to analyze experimental data from different projectile fragmentation as well as central collision reactions and the extracted values for the symmetry ener...

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Excited Nuclear States for In-113 (Indium)

Sukhoruchkin¹,

Soroko²

2015

Supplement to I/25 a-E

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Level structures of 113In

Cited by 22 publications

References 34 publications

Isobaric yield ratio difference in heavy-ion collisions, and comparison to isoscaling

Isobaric yield ratio difference in heavy-ion collisions, and comparison to isoscaling

Symmetry energy from nuclear multifragmentation

Excited Nuclear States for In-113 (Indium)

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