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Suggesting a di-omega dibaryon search in heavy ion collision experiments
Zhang ZY(张宗烨); Yu YW(余友文); Zhang, ZY; Yu, YW; Ching, CR; Ho, TH; Lu, ZD
2000
发表期刊PHYSICAL REVIEW C
卷号61期号:6页码:65204
通讯作者Inst High Energy Phys, Beijing 100039, Peoples R China ; Inst Theoret Phys, Beijing 100080, Peoples R China ; China Inst Atom Energy, Beijing 102143, Peoples R China
摘要The structure of a new dibaryon (Ohm Ohm)(0+) is studied theoretically in the framework of the chiral SU(3) quark model by solving a resonating group method equation. The binding energy of this dibaryon is predicted to be around 100 MeV, the mean-square root of the distance between two Ohm's is 0.84 fm, and the preliminary estimated mean lifetime is about two times that of the free Ohm's. All these interesting properties, as well as the two negative charge units it carries, could make it easily identifiable experimentally in the heavy ion collision process. The production probability of this new dibaryon in a 158 GeV Pb + Pb collision is estimated using the thermal model. The rate is of the order of 10(-6) to 10(-5) per event. It is expected that, with the increase of the temperature, the production rate will also be increased.
文章类型Article
学科领域Physics
DOI10.1103/PhysRevC.61.065204
研究领域[WOS]Physics
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语种英语
WOS类目Physics, Nuclear
WOS记录号WOS:000087575000074
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/240736
专题院士
作者单位中国科学院高能物理研究所
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Zhang ZY,Yu YW,Zhang, ZY,et al. Suggesting a di-omega dibaryon search in heavy ion collision experiments[J]. PHYSICAL REVIEW C,2000,61(6):65204.
APA 张宗烨.,余友文.,Zhang, ZY.,Yu, YW.,Ching, CR.,...&Lu, ZD.(2000).Suggesting a di-omega dibaryon search in heavy ion collision experiments.PHYSICAL REVIEW C,61(6),65204.
MLA 张宗烨,et al."Suggesting a di-omega dibaryon search in heavy ion collision experiments".PHYSICAL REVIEW C 61.6(2000):65204.
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