N*(1440)Excitation in Proton-Nucleus Reactions at High Energies

YUAN Hong-Kuan; ZOU Bing-Song; CHEN Hong; JIANG Huan-Qing; YANG Yong-Xu

Chinese Physics C> 2004, Vol. 28> Issue(9) : 961-966

N*(1440)Excitation in Proton-Nucleus Reactions at High Energies

School of Physics,Southwest China Normal University,Chongqing 400715,China2 Institute of High Energy Physics,The Chinese Academy of Sciences,Beijing 100039,China3 School of Physics,Guangxi Normal University,Guilin 541000,China4 Nuclear Theory Center,National Laboratory for Heavy Ions,Lanzhou 730000,China

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Abstract：
We discuss p+A→p′+π+A′reactions on spin 0 isospin 0 targets at high energies in the frame work of relativistic theory.We analyse the characters of mechanism of the N(1440) excitation in the projectile.Numerical results are shown for the reaction on ¹²C with the 2.5GeV proton beam by using this mechanism.The effect of the nuclear distortion of the incoming and outgoing waves on the reaction is discussed.The feasibility and the significance of an experimental study of this reaction at CSR in Lanzhou is discussed.

References

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YUAN Hong-Kuan, ZOU Bing-Song, CHEN Hong, JIANG Huan-Qing and YANG Yong-Xu. N*(1440)Excitation in Proton-Nucleus Reactions at High Energies[J]. Chinese Physics C, 2004, 28(9): 961-966.

YUAN Hong-Kuan, ZOU Bing-Song, CHEN Hong, JIANG Huan-Qing and YANG Yong-Xu. N*(1440)Excitation in Proton-Nucleus Reactions at High Energies[J]. Chinese Physics C, 2004, 28(9): 961-966. shu

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Received: 2004-02-09
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

N*(1440)Excitation in Proton-Nucleus Reactions at High Energies

Corresponding author: YUAN Hong-Kuan,

School of Physics,Southwest China Normal University,Chongqing 400715,China2 Institute of High Energy Physics,The Chinese Academy of Sciences,Beijing 100039,China3 School of Physics,Guangxi Normal University,Guilin 541000,China4 Nuclear Theory Center,National Laboratory for Heavy Ions,Lanzhou 730000,China

Received Date: 2004-02-09
Accepted Date: 1900-01-01
Available Online: 2004-09-05

Abstract: We discuss p+A→p′+π+A′reactions on spin 0 isospin 0 targets at high energies in the frame work of relativistic theory.We analyse the characters of mechanism of the N(1440) excitation in the projectile.Numerical results are shown for the reaction on ¹²C with the 2.5GeV proton beam by using this mechanism.The effect of the nuclear distortion of the incoming and outgoing waves on the reaction is discussed.The feasibility and the significance of an experimental study of this reaction at CSR in Lanzhou is discussed.