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CHEN Jiangbo, YANG Yanyun, WANG Jiansong, WANG Qi, JIN Shilun, MA Peng, MA Junbing, HUANG Meirong, HAN Jianlong, BAI Zhen, HU Qiang, JIN Lei, LI Yong, ZHAO Minghui. A Method of Detector Misalignment Correction for an Elastic Scattering induced by the Radioactive Beams[J]. Nuclear Physics Review, 2014, 31(1): 53-57. DOI: 10.11804/NuclPhysRev.31.01.053
Citation: CHEN Jiangbo, YANG Yanyun, WANG Jiansong, WANG Qi, JIN Shilun, MA Peng, MA Junbing, HUANG Meirong, HAN Jianlong, BAI Zhen, HU Qiang, JIN Lei, LI Yong, ZHAO Minghui. A Method of Detector Misalignment Correction for an Elastic Scattering induced by the Radioactive Beams[J]. Nuclear Physics Review, 2014, 31(1): 53-57. DOI: 10.11804/NuclPhysRev.31.01.053
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A Method of Detector Misalignment Correction for an Elastic Scattering induced by the Radioactive Beams

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  • In a typical nuclear elastic scattering experiment, differential cross section is very sensitive to the scattered angle and therefore the main source of systematic errors come from a millimetric uncertainties in the position measurement of detectors. A method for detector misalignment correction has been successfully applied to the elastic scattering of 7Be on Pb target at Elab=17.9 MeV/u at Radioactive Ion Beam Line in Lanzhou (RIBLL) at Heavy Ion Research Facility in Lanzhou (HIRFL). The correction method is based on the fact that the ratio of elastic scattering and Rutherford cross sections should be independent of scattering angle, and equal to unity for very forward angles. A Monte Carlo simulation was performed to examine the angular distribution of cross sections for a given shift of detector position.
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