Influence of Interference Terms on Probability of Color Connections among Partons in e<SUP>+</SUP>e<SUP>－</SUP>→qq+ng Process

JIN Yi; XIE Qu-Bing; LI Shi-Yuan

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《中国物理C》（英文）编辑部

2024年10月30日

Chinese Physics C> 2003, Vol. 27> Issue(4) : 282-287

Influence of Interference Terms on Probability of Color Connections among Partons in e⁺e^－→qq+ng Process

School of Physics and Microelectronics, Shandong University, Ji'nan 250100,China

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Large N_c approximation is adopted in popular e⁺e^－ event generators where the production probability of singlet chain states is 100% and that of color separate states is 0. In the real world N_c=3, we investigate the origin and character of color and kinematics aspects in interference terms. We find that the production probability of color singlet chain states decreases from 83%, 77% to 67%, 58% for qq+2g and qq+3g system respectively after considering the interference terms. Especially, the production probability of color separate states increases to twice of that without interference terms for qq+2g. Hence when n is larger, we can expect that the production probability of singlet chain states will be far less than 1 and that of color separate states will significantly increase when n is larger.

References

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JIN Yi, XIE Qu-Bing and LI Shi-Yuan. Influence of Interference Terms on Probability of Color Connections among Partons in e⁺e^－→qq+ng Process[J]. Chinese Physics C, 2003, 27(4): 282-287.

JIN Yi, XIE Qu-Bing and LI Shi-Yuan. Influence of Interference Terms on Probability of Color Connections among Partons in e⁺e^－→qq+ng Process[J]. Chinese Physics C, 2003, 27(4): 282-287. shu

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Received: 2002-10-14
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

Influence of Interference Terms on Probability of Color Connections among Partons in e⁺e^－→qq+ng Process

Corresponding author: JIN Yi,

School of Physics and Microelectronics, Shandong University, Ji'nan 250100,China

Received Date: 2002-10-14
Accepted Date: 1900-01-01
Available Online: 2003-04-05

Abstract: Large N_c approximation is adopted in popular e⁺e^－ event generators where the production probability of singlet chain states is 100% and that of color separate states is 0. In the real world N_c=3, we investigate the origin and character of color and kinematics aspects in interference terms. We find that the production probability of color singlet chain states decreases from 83%, 77% to 67%, 58% for qq+2g and qq+3g system respectively after considering the interference terms. Especially, the production probability of color separate states increases to twice of that without interference terms for qq+2g. Hence when n is larger, we can expect that the production probability of singlet chain states will be far less than 1 and that of color separate states will significantly increase when n is larger.

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