A Two Step Mechanism for Forming Dibaryon(ΩΩ)Jπ=0+

YU You-Wen; WANG Ping; ZHANG Zong-Ye; CHING Cheng-Rui; CHU Lian-Yuan

Chinese Physics C> 2002, Vol. 26> Issue(1) : 46-51

A Two Step Mechanism for Forming Dibaryon(ΩΩ)Jπ=0+

Institute of High Energy Physics,CAS, Beijing 100039, China2 Institute of Theoretical Physics,CAS, Beijing 100080, China3 China Institute of Atomic Energy, Beijing 102413, China

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Abstract：
A two-step process for forming dibaryon (ΩΩ)0+ is studied. The first step is N+Ω→(NΩ)₀₂₂+γ, or N+Ω→(NΩ)₀₂₂+π,and the second step is an exchange reaction as:Ω+(NΩ)₀₂₂→(ΩΩ)₀₀₀+N. The results show that the cross sections of both steps are quite large,therefore this might be an important approach for producing (ΩΩ)0+.

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. ZHANG Z Y, YU Y W, DAI L R. HEP NP, 1996, 20: 363(张宗烨, 余友文, 戴连荣. 高能物理与核物理, 1996, 20: 363) 2. ZHANG Z Y, YU Y W, SHEN P N et al. Nucl. Phys., 1997, A625: 593. YU Y W, ZHAN Z Y, YUAN X Q. Commun. Theor. Phys., 1999, 31: 1; ZHANG Z Y, YU Y W, YUAN X Q. Nucl. Phys., 2000, A670: 178c 4. ZHANG Z Y, YU Y W, CHING C R et al. Phys. Rev., 2000, C61: 0652045. YU Y W, WANG P, ZHANG Z Y et al. Commun. Theor. Phys., 2001, 35: 553 6. Alt E O, Grassberger P, Sandhas W. Nucl. Phys., 1967, B2: 167

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YU You-Wen, WANG Ping, ZHANG Zong-Ye, CHING Cheng-Rui, CHU Lian-Yuan and A Two Step Mechanism for Forming Dibaryon(ΩΩ)Jπ=0+[J]. Chinese Physics C, 2002, 26(1): 46-51.

YU You-Wen, WANG Ping, ZHANG Zong-Ye, CHING Cheng-Rui, CHU Lian-Yuan and A Two Step Mechanism for Forming Dibaryon(ΩΩ)Jπ=0+[J]. Chinese Physics C, 2002, 26(1): 46-51. shu

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Received: 2001-06-22
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

A Two Step Mechanism for Forming Dibaryon(ΩΩ)Jπ=0+

Corresponding author: YU You-Wen,

Institute of High Energy Physics,CAS, Beijing 100039, China2 Institute of Theoretical Physics,CAS, Beijing 100080, China3 China Institute of Atomic Energy, Beijing 102413, China

Received Date: 2001-06-22
Accepted Date: 1900-01-01
Available Online: 2002-01-05

Abstract: A two-step process for forming dibaryon (ΩΩ)0+ is studied. The first step is N+Ω→(NΩ)₀₂₂+γ, or N+Ω→(NΩ)₀₂₂+π,and the second step is an exchange reaction as:Ω+(NΩ)₀₂₂→(ΩΩ)₀₀₀+N. The results show that the cross sections of both steps are quite large,therefore this might be an important approach for producing (ΩΩ)0+.