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First measurement of isoscalar giant resonances in a stored-beam experiment

文献类型:期刊论文

作者Uesaka, T.5; Weick, H.3; Winfield, J. S.3; Winters, D.3; Woods, P. J.4; Yamaguchi, T.13; Yue, K.3,6,7; Zenihiro, J.5; Eremin, V.10; Furuno, T.11
刊名PHYSICS LETTERS B
出版日期2016-12-10
卷号763页码:16-19
关键词Storage ring Inverse kinematics Isoscalar giant resonances
ISSN号0370-2693
DOI10.1016/j.physletb.2016.10.015
英文摘要A new technique developed for measuring nuclear reactions at low momentum transfer with stored beams in inverse kinematics was successfully used to study isoscalar giant resonances. The experiment was carried out at the experimental heavy-ion storage ring (ESR) at the GSI facility using a stored Ni-58 beam at 100 MeV/u and an internal helium gas-jet target. In these measurements, inelastically scattered a-recoils at very forward center-of-mass angles (theta(cm) <= 1.5 degrees) were detected with a dedicated setup, including ultra-high vacuum compatible detectors. Experimental results indicate a dominant contribution of the isoscalar giant monopole resonance at this very forward angular range. It was found that the monopole contribution exhausts 79(-11)(+12)% of the energy-weighted sum rule (EWSR), which agrees with measurements performed in normal kinematics. This opens up the opportunity to investigate the giant resonances in a large domain of unstable and exotic nuclei in the near future. It is a fundamental milestone towards new nuclear reaction studies with stored ion beams. (C) 2016 The Authors. Published by Elsevier B.V.
WOS关键词INELASTIC ALPHA-SCATTERING ; INVERSE KINEMATICS ; MONOPOLE STRENGTH ; DIPOLE RESONANCE ; NUCLEI ; EXCITATION ; NEUTRON ; NI-58 ; ENERGY ; PARTICLES
资助项目German BMBF[06DA9040I] ; German BMBF[05P15RDFN8] ; German BMBF[05P15RDFN1] ; European Commission[RII3-CT-2010-262010] ; Hungarian OTKA Foundation[K106035] ; Sumitomo Foundation ; National Natural Science Foundation of China[11575269] ; HGF through the Helmholtz-CAS Joint Research Group[HCJRG-108] ; HIC for FAIR ; GSI-RUG/KVI ; TU Darmstadt-GSI ; STIBET Doctoral program of the DAAD
WOS研究方向Astronomy & Astrophysics ; Physics
语种英语
WOS记录号WOS:000390126600003
出版者ELSEVIER SCIENCE BV
资助机构German BMBF ; European Commission ; Hungarian OTKA Foundation ; Sumitomo Foundation ; National Natural Science Foundation of China ; HGF through the Helmholtz-CAS Joint Research Group ; HIC for FAIR ; GSI-RUG/KVI ; TU Darmstadt-GSI ; STIBET Doctoral program of the DAAD
源URL[http://119.78.100.186/handle/113462/44348]  
专题近代物理研究所_实验物理中心
通讯作者Zamora, J. C.
作者单位1.Univ Tehran, Dept Phys, POB 14395-547, Tehran, Iran
2.Univ Tsukuba, Dept Phys, Tsukuba, Ibaraki 3058577, Japan
3.GSI Helmholtzzentrum Schwerionenforsch GmbH, D-64291 Darmstadt, Germany
4.Univ Edinburgh, Inst Particle & Nucl Phys, Edinburgh EH93JZ, Midlothian, Scotland
5.RIKEN Nishina Ctr, Wako, Saitama 3510198, Japan
6.Tech Univ Darmstadt, Inst Kernphys, D-64289 Darmstadt, Germany
7.Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China
8.Univ Groningen, KVI CART, NL-9747 AA Groningen, Netherlands
9.Hungarian Acad Sci, Inst Nucl Res, ATOMKI, H-4026 Debrecen, Hungary
10.Russian Acad Sci, Ioffe Physicotech Inst, St Petersburg 194021, Russia
推荐引用方式
GB/T 7714
Uesaka, T.,Weick, H.,Winfield, J. S.,et al. First measurement of isoscalar giant resonances in a stored-beam experiment[J]. PHYSICS LETTERS B,2016,763:16-19.
APA Uesaka, T..,Weick, H..,Winfield, J. S..,Winters, D..,Woods, P. J..,...&Thuerauf, M..(2016).First measurement of isoscalar giant resonances in a stored-beam experiment.PHYSICS LETTERS B,763,16-19.
MLA Uesaka, T.,et al."First measurement of isoscalar giant resonances in a stored-beam experiment".PHYSICS LETTERS B 763(2016):16-19.

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来源:近代物理研究所

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