The STELLA apparatus for particle-Gamma coincidence fusion measurements with nanosecond timing
The STELLA apparatus for particle-Gamma coincidence fusion measurements with nanosecond timing
复制标题
用于纳秒定时粒子伽马重合融合测量的 STELLA 装置
DOI:
10.1016/j.nima.2018.06.058
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发表时间:
2018
期刊:
影响因子:
--
通讯作者:
Heine M
中科院分区:
文献类型:
--
作者:
Heine M
Abstract The STELLA (STELlar LAboratory) experimental station for the measurement of deep sub-barrier light heavy-ion fusion cross sections has been installed at the Andromède accelerator at the Institut de Physique Nucléaire, Orsay (France). The setup is designed for the direct experimental determination of heavy-ion fusion cross sections as low as tens of picobarn. The detection concept is based on the coincident measurement of emitted gamma rays with the UK FATIMA (FAst TIMing Array) and evaporated charged particles using a silicon detector array. Key developments relevant to reaching the extreme sub-barrier fusion region are a rotating target mechanism to sustain beam intensities above 10 μ A, an ultra-high vacuum of 10− 8 mbar to prevent carbon built-up and gamma charged-particle timing in the order of nanoseconds sufficient to separate proton and alpha particles.
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