The fragmentation of <SUP>20</SUP>Ne at 400 <I>A</I> MeV

CHENG Jin-Xia; ZHANG Dong-Hai; YAN Shi-Wei; LI Jun-Sheng; WANG Li-Chun; LI Yan-Jing

doi:10.1088/1674-1137/36/1/006

Chinese Physics C> 2012, Vol. 36> Issue(1) : 37-42 DOI: 10.1088/1674-1137/36/1/006

The fragmentation of ²⁰Ne at 400 A MeV

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Abstract：
The total charge-changing cross sections and partial cross sections for the production of projectile fragments are measured in the interactions of 400 A MeV ²⁰Ne with aluminum, carbon and polyethylene targets sandwiched with CR-39 plastic nuclear track detectors. The measured total charge-changing cross sections are compared with the predictions using the Bradt-Peters semi-empirical formula, and the NUCFRAG2 and PHITS models. It is shown that the measured experimental results are in good agreement with the theoretical model prediction and other experimental results, and it can be clearly seen that the partial cross sections for fragment production show obvious odd-even effects.

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CHENG Jin-Xia, ZHANG Dong-Hai, YAN Shi-Wei, LI Jun-Sheng, WANG Li-Chun and LI Yan-Jing. The fragmentation of ²⁰Ne at 400 A MeV[J]. Chinese Physics C, 2012, 36(1): 37-42. doi: 10.1088/1674-1137/36/1/006

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Received: 2011-04-02
Revised: 2011-05-03

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沈阳化工大学材料科学与工程学院沈阳 110142

The fragmentation of ²⁰Ne at 400 A MeV

Corresponding author: ZHANG Dong-Hai,

Received Date: 2011-04-02
Accepted Date: 2011-05-03
Available Online: 2012-01-05

Abstract: The total charge-changing cross sections and partial cross sections for the production of projectile fragments are measured in the interactions of 400 A MeV ²⁰Ne with aluminum, carbon and polyethylene targets sandwiched with CR-39 plastic nuclear track detectors. The measured total charge-changing cross sections are compared with the predictions using the Bradt-Peters semi-empirical formula, and the NUCFRAG2 and PHITS models. It is shown that the measured experimental results are in good agreement with the theoretical model prediction and other experimental results, and it can be clearly seen that the partial cross sections for fragment production show obvious odd-even effects.