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Di-Omega (Omega Omega)(J pi=0+) production cross section calculation
Yu YW(余友文); 王平(理); Zhang ZY(张宗烨); Yu, YW; Wang, P; Zhang, ZY; Ching, CR; Ho, TH; Chu, LY
2002
发表期刊PHYSICAL REVIEW C
卷号66期号:1页码:15205
通讯作者Inst High Energy Phys, Beijing 100039, Peoples R China ; Inst Theoret Phys, Beijing 100080, Peoples R China ; Chinese Inst Atom Energy, Beijing 102413, Peoples R China
文章类型Article
摘要Cross sections of baryon+baryon-->(OmegaOmega)(J)(pi)=0(+)+X are studied using an effective Hamiltonian method. For low energy region, the gamma production process dominates; its cross sections are of order of 0.3-1.6 mub for p(Omega)=100-400 MeV. There are also some strong interaction processes for forming di-Omega such as Omega+Omega-->(OmegaOmega)(0)(+)+eta(eta('),phi) and Omega+Xi-->(OmegaOmega)(0)(+)+K(K-star). But these processes only make contributions in the high momentum region, because their threshold energies are around (or greater than) 1 GeV. The cross sections for the pseudoscalar meson production processes are about 2.0-4.5 mub, and for the vector meson production processes the cross sections are one order larger than those of the pseudoscalar meson production cases. Besides the above processes, a two-step process is also discussed, in which the first step is Omega+N-->(NOmega)(J)(pi)=2(+)+pi (or gamma) and the second step is Omega+(NOmega)(2)(+)-->(OmegaOmega)(0)(+)+N. The result shows that the cross sections are quite large for both steps. It seems that some two-step processes might also be important.
学科领域Physics
研究领域[WOS]Physics ; Physics
DOI10.1103/PhysRevC.66.015205
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语种英语
研究领域[WOS]Physics ; Physics
WOS类目Physics, Nuclear
WOS记录号WOS:000177529700053
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被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/240463
专题院士
作者单位中国科学院高能物理研究所
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GB/T 7714
Yu YW,Wang P,Zhang ZY,et al. Di-Omega (Omega Omega)(J pi=0+) production cross section calculation[J]. PHYSICAL REVIEW C,2002,66(1):15205.
APA 余友文.,王平.,张宗烨.,Yu, YW.,Wang, P.,...&Chu, LY.(2002).Di-Omega (Omega Omega)(J pi=0+) production cross section calculation.PHYSICAL REVIEW C,66(1),15205.
MLA 余友文,et al."Di-Omega (Omega Omega)(J pi=0+) production cross section calculation".PHYSICAL REVIEW C 66.1(2002):15205.
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