Search for low-lying dipole strength in the Neutron-Rich nucleus 26Ne
Search for low-lying dipole strength in the Neutron-Rich nucleus 26Ne
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DOI：
10.1063/1.2140651
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发表时间：
2005-11
期刊：
影响因子：
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通讯作者：
J. Gibelin;D. Beaumel;T. Motobayashi;N. Aoi;H. Baba;Y. Blumenfeld;Z. Elekes;S. Fortier;N. Frascaria;N. Fukuda;T. Gomi;K. Ishikawa;Y. Kondo;T. Kubo;V. Lima;Takashi Nakamura;A. Saito;Y. Satou;E. Takeshita;S. Takeuchi;T. Teranishi;Y. Togano;A. Vinodkumar;Y. Yanagisawa;K. Yoshida
中科院分区：
文献类型：
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作者：
J. Gibelin;D. Beaumel;T. Motobayashi;N. Aoi;H. Baba;Y. Blumenfeld;Z. Elekes;S. Fortier;N. Frascaria;N. Fukuda;T. Gomi;K. Ishikawa;Y. Kondo;T. Kubo;V. Lima;Takashi Nakamura;A. Saito;Y. Satou;E. Takeshita;S. Takeuchi;T. Teranishi;Y. Togano;A. Vinodkumar;Y. Yanagisawa;K. Yoshida
为了寻找低能电子轰击强度，在RIKEN加速器研究装置上对丰中子核26 Ne的库仑激发进行了研究。用58 MeV/A的~（26）Ne次级束轰击铅靶和铝靶。在这个完整的运动学测量中，我们用硅条/Si（Li）望远镜测量了带电碎片的能量和位置，用多元素塑料壁测量了26 Ne衰变产生的中子。用4π NaI阵列探测激发态发射的光子。分析仍在进行中，但到目前为止，它显示了8至10兆电子伏的激发能量之间的强度，可以与一个侏儒偶极共振。
In order to search for low energy El strength, Coulomb excitation of the neutron rich nucleus 26Ne was studied at RIKEN Accelerator Research Facility. A 58 MeV/A secondary beam of 26Ne impinged on lead and aluminum target. In this complete kinematics measurement, we measured the energy and position of the charged fragments with a silicon strip/Si(Li) telescope, and the neutrons resulting from the decay of 26Ne with a multi‐element plastic wall. The photons which can be emitted from excited states are detected using a 4π NaI array. The analysis is still in progress but it so far shows strength between 8 and 10 MeV excitation energy that can be related to a pygmy dipole resonance.