A  Longitudinal  Field  Multiple  Sampling  Ionization  Chamber  for  RIBLL2

TANG  Shu-wen; DUAN  Li-min; SUN  Zhi-yu; MA  Peng; LU  Chen-gui; YANG  He-run; ZHANG  Jin-xia; HU  Zheng-guo; XU Hu-shan

doi:10.11804/NuclPhysRev.29.01.072

TANG Shu-wen, DUAN Li-min, SUN Zhi-yu, MA Peng, LU Chen-gui, YANG He-run, ZHANG Jin-xia, HU Zheng-guo, XU Hu-shan. A Longitudinal Field Multiple Sampling Ionization Chamber for RIBLL2[J]. Nuclear Physics Review, 2012, 29(1): 72-76. DOI: 10.11804/NuclPhysRev.29.01.072

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A Longitudinal Field Multiple Sampling Ionization Chamber for RIBLL2

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A longitudinal field MUltiple Sampling Ionization Chamber (MUSIC)， which makes multiple measurements of energy loss for very high energy heavy ions at RIBLL2， has been constructed and tested with 3 constituent α source （²³⁹Pu: 3.435 MeV， ²⁴¹Am: 3.913 MeV， ²⁴⁴Cm: 4.356 MeV）. The voltage plateau curve has been plotted and －500 V is determined as a proper work voltage. The energy resolution is 271.4 keV FWHM for the sampling unit when 3.435 MeV energy deposited. A Geant4 Monte Carlo simulation is made and it indicates the detector can provide unique particle identification for ions Z≥4.

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A Longitudinal Field Multiple Sampling Ionization Chamber for RIBLL2

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