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Sun, BX; Lu, XF; Shen, PN; Zhao, EG; Sun, BX , Lab Phys Subatom & Cosmol, 53 Ave Martyrs, F-38026 Grenoble, France.
Effective photon mass in nuclear matter and finite nuclei
发表期刊MODERN PHYSICS LETTERS A
关键词Heavy-ion Collisions Positron
摘要Electromagnetic field in nuclear matter and nuclei are studied. In the nuclear matter, because the expectation value of the electric charge density operator is not zero, different in vacuum, the U(l) local gauge symmetry of electric charge is spontaneously broken, and consequently, the photon gains an effective mass through the Higgs mechanism. An alternative way to study the effective mass of photon is to calculate the self-energy of photon perturbatively. It shows that the effective mass of photon is about 5.42 MeV in the symmetric nuclear matter at the saturation density rho(0) = 0.16 fm(-3) and about 2.0 MeV at the surface of U-238. It Seems that the two-body decay of a massive photon causes the sharp lines of electron-positron pairs in the low energy heavy ion collision experiments of U-238 + Th-232.
2003
ISSN0217-7323
卷号18期号:21页码:1485-1492
学科领域Physics
收录类别SCI
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被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/13265
专题理论物理所科研产出_SCI论文
通讯作者Sun, BX , Lab Phys Subatom & Cosmol, 53 Ave Martyrs, F-38026 Grenoble, France.
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GB/T 7714
Sun, BX,Lu, XF,Shen, PN,et al. Effective photon mass in nuclear matter and finite nuclei[J]. MODERN PHYSICS LETTERS A,2003,18(21):1485-1492.
APA Sun, BX,Lu, XF,Shen, PN,Zhao, EG,&Sun, BX , Lab Phys Subatom & Cosmol, 53 Ave Martyrs, F-38026 Grenoble, France..(2003).Effective photon mass in nuclear matter and finite nuclei.MODERN PHYSICS LETTERS A,18(21),1485-1492.
MLA Sun, BX,et al."Effective photon mass in nuclear matter and finite nuclei".MODERN PHYSICS LETTERS A 18.21(2003):1485-1492.
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