Fast calibration methods using cosmic rays for a neutron detection array

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YANG Zai-Hong, YE Yan-Lin, XIAO Jun, YOU Hai-Bo, LIU HONG-Na, SUN Ye-Lei, WANG Zi-Heng and CHEN Jie. Fast calibration methods using cosmic rays for a neutron detection array[J]. Chinese Physics C, 2012, 36(3): 222-227. doi: 10.1088/1674-1137/36/3/006
YANG Zai-Hong, YE Yan-Lin, XIAO Jun, YOU Hai-Bo, LIU HONG-Na, SUN Ye-Lei, WANG Zi-Heng and CHEN Jie. Fast calibration methods using cosmic rays for a neutron detection array[J]. Chinese Physics C, 2012, 36(3): 222-227.  doi: 10.1088/1674-1137/36/3/006 shu
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Received: 2011-07-05
Revised: 1900-01-01
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Fast calibration methods using cosmic rays for a neutron detection array

    Corresponding author: YE Yan-Lin,

Abstract: An overall irradiation and calibration technique was introduced and applied to a test scintillation detector array. An integral conversion method was used to reduce the nonlinearity of the time difference spectrum, and to improve the position determination especially for positions close to the two ends of a long scintillation bar. An overall position resolution of about 3.0 cm (FWHM) was extracted from the residual analysis method and verified by a direct measurement. Energy calibration was also realized by selecting cosmic rays at different incident angles. The bulk light attenuation lengths for the four test bars were also determined. It is demonstrated that these methods are especially efficient for calibrating large and complex detector arrays.

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