高能光子探测为研究中高能重离子碰撞的许多重要问题如核物质性质、韧致辐射、阈下和阈上中性介子产生等提供了机遇. 简要回顾了近几年国外开展的中能与相对论重离子碰撞高能光子实验概况, 并简要介绍了欧洲合作研制的高能光子探测器TAPS的基本构造. 另外, 用GEANT程序模拟计算了50-1 000 MeV光子在TAPS标准8×8阵列中的能量响应.
参考文献
[1] | Migneco E, Agodi C, Alba R, et al. MEDEA: A multi element detector array for gamma ray and light charged particle detection at the LNS-Catania[J]. Nucl Instr and Meth (in Phys Res), 1992, A314: 31. |
[2] | Novotny R. Performance of the BaF2-calorimeter TAPS[J]. Nucl Phys (Proc Suppl), 1998, B61: 137. |
[3] | Speth J. Ed. Electric and Magnetic Giant Resonances in Nuclei[M]. Singapore: World Scientific, 1991. |
[4] | 张保国, 王素芳, 段利敏等. 高激发213Fr 核的形变研究[J]. 高能物理与核物理, 2001, 25(7): 636. |
[5] | 文万信, 靳根明, 王素芳. HIRFL能区与CSR能区高能γ实验[J]. 原子核物理评论, 1999, 16(4): 237. |
[6] | Schutz Y. Thermalizing Nuclear Matter Probed by Hard Photons[J]. Nucl Phys, 1998, A630: 126c. |
[7] | Sapienza P, Coniglione R, Migneco E, et al. Hard Photon and Energetic Proton Emission in Heavy Ion Collisions at Intermediate Energy[J]. Nucl Phys, 1998, A630: 215c. |
[8] | Schutz Y. The Role of Nuclear Incompressibility in the Production of Hard Photons in Heavy-ion Collisions[J]. Nucl Phys, 1996, A599: 97c. |
[9] | Huisman R, Bacelar J C B, van Goethem M J, et al. Probing Few-body Systems with Bremsstrahlung[J]. Nucl Phys, 1999, A654: 949c. |
[10] | Novotny R. Production of Neutral Mesonin Relativistic Heavy-ion Collisions[J]. Nucl Phys, 1998, A630: 231c. |
[11] | Holzmann R, Appenheimer M, Averbeck R, et al. Contribution of π0 and η Dalitz Decays to the Dilepton Invariant-mass Spectrum in 1 A GeV Heavy-ion Collisions[J]. Phys Rev, 1997, C56: R2 920. |
[12] | 文万信, 靳根明. 复合式高能γ探测器优化设计Monte Carlo模拟计算[J]. 高能物理与核物理, 2002, 26 (in press). |
[13] | Brun R, Carminati F. GEANT Detector Description and Simulation Tool, CERN Program Library, Long Writeup W5013 ed, CERN, Geneva, 1994. |
[14] | 文万信, 靳根明. BGO高能γ探测器性能测定与效率模拟[J]. 高能物理与核物理, 2002, 26: (in press). |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%