Isobaric charge-exchange reactions: a tool to study the excitation of baryonic resonances in exotic nuclear matter

被引：0

作者：

Rodriguez-Sanchez, J. L. ^{[1
,2
]}

Benlliure, J. ^{[1
]}

Haettner, E. ^{[2
]}

Scheidenberger, C. ^{[2
,3
]}

Vargas, J. ^{[1
]}

Ayyad, Y. ^{[1
]}

Alvarez-Pol, H. ^{[1
]}

Atkinson, J. ^{[2
]}

Aumann, T. ^{[2
]}

Beceiro-Novo, S. ^{[1
]}

Boretzky, K. ^{[2
]}

Caamano, M. ^{[1
]}

Casarejos, E. ^{[4
]}

Cortina-Gil, D. ^{[1
]}

Fernandez, P. Diaz ^{[1
]}

Estrade, A. ^{[2
]}

Geissel, H. ^{[2
,3
]}

Itahashi, K. ^{[5
]}

Kelic-Heil, A. ^{[2
]}

Lenske, H. ^{[6
]}

Litvinov, Yu A. ^{[2
]}

Paradela, C. ^{[1
]}

Perez-Loureiro, D. ^{[1
]}

Pietri, S. ^{[2
]}

Prochazka, A. ^{[2
]}

Saito, T. R. ^{[2
,5
]}

Takechi, M. ^{[2
]}

Tanaka, Y. K. ^{[2
,3
]}

Vidana, I ^{[7
]}

Weick, H. ^{[2
]}

Winfield, J. S. ^{[2
]}

机构：

[1] Univ Santiago de Compostela, E-15782 Santiago De Compostela, Spain

[2] GSI Helmholtzzentrum Schwerionenforsch GmbH, D-64291 Darmstadt, Germany

[3] Univ Giessen, D-35392 Giessen, Germany

[4] Univ Vigo, E-36200 Vigo, Spain

[5] RIKEN Nishina Ctr, Wako, Saitama 3510198, Japan

[6] Univ Giessen, Inst Theoret Phys, D-35392 Giessen, Germany

[7] Univ Catania, Ist Nazl Fis Nucl, I-95123 Catania, Italy

来源：

27TH INTERNATIONAL NUCLEAR PHYSICS CONFERENCE (INPC2019) | 2020年 / 1643卷

关键词：

D O I：

10.1088/1742-6596/1643/1/012104

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Isobaric charge-exchange reactions induced by beams of Sn-112 have been investigated at the GSI facility using the fragment separator FRS. The high-resolving power of this spectrometer makes it possible to obtain the isobaric charge-exchange cross sections with an uncertainty of 3.5% and to separate quasi-elastic and inelastic contributions in the missing-energy spectra, in which the inelastic component is associated to the in-medium excitation of baryonic resonances such as the Delta resonance. We report on the results obtained for the (p, n) channel excited by using different targets that cover a large range in neutron excess. In addition, we also compare the missing-energy spectra with an intranuclear cascade model coupled to a de-excitation code to investigate the in-medium effects in the production of baryonic resonances.

引用

页数：6

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