Shuttle Acceleration Mechanism of Nucleons in hi Reactions

HO Yu-Kun; YUAN Zhu-Shu; PAN Zheng-Ying

Chinese Physics C> 1992, Vol. 16> Issue(3) : 285-288

Shuttle Acceleration Mechanism of Nucleons in hi Reactions

Nuclear Science Department,Fudan University,Shanghai 200433

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This paper studies a mechanism of acceleration of high-energy nucleons in intermediate and high energy nucleus-nucleus collisions,where a part of the projectile nucleons undergo alternating shuttle collisions between the target and the rest of the projectile,and successive accelerations.Preliminary calculations based upon a classical picture indicate that an energy boost of 0.33E₀ can be generated after once shuttle collision,E₀ is the mean incident energy per nucleon.The energy spectra and angular distributions of emitted nucleons are evaluated,and the physical significances of the results are discussed.

References

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J. Randrup and R. Vandenbosch, Nucl. Phys., A474, (1987), 219, and references therein.[2] D. Abdouin et al，Nucl. Phys., 1514(1990), 564.[3] S. E. Arnell et al., Z. Phys. r1: Atomic Nuclei, 330, (1988), 69.[4] V. Metag, Nucl. Phys., 1492, (1988), 159.[5] H. Nifenecker, M. K. Njock and J. A. Pinston, Nucl. Phys., 1495(1989), 3c.[6] E. Grosse et al., Europhys. Lett., 2(1986), 9.[7] J. J. Griffin, Phys. Rev. Lett., 17(1966), 478. M. Blann, Phys. Rev. Lett., 21(1968), 1357.[8] J. P. Bondorf et al., Nucl. Phys., 1333(1980), 285.[9] I. S. Bitensky, Ya. S. Gilenko and E. S. Pavilis, Sov. Phys.JETP 67(1988), 470.[10] C. Carraro, B. Q. Chen, S. Schramm and S. E. Koonin, Phys. Rev., 142(1990), 1379.

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HO Yu-Kun, YUAN Zhu-Shu and PAN Zheng-Ying. Shuttle Acceleration Mechanism of Nucleons in hi Reactions[J]. Chinese Physics C, 1992, 16(3): 285-288.

HO Yu-Kun, YUAN Zhu-Shu and PAN Zheng-Ying. Shuttle Acceleration Mechanism of Nucleons in hi Reactions[J]. Chinese Physics C, 1992, 16(3): 285-288. shu

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Received: 1900-01-01
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

Shuttle Acceleration Mechanism of Nucleons in hi Reactions

Corresponding author: HO Yu-Kun,

Nuclear Science Department,Fudan University,Shanghai 200433

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1992-03-05

Abstract: This paper studies a mechanism of acceleration of high-energy nucleons in intermediate and high energy nucleus-nucleus collisions,where a part of the projectile nucleons undergo alternating shuttle collisions between the target and the rest of the projectile,and successive accelerations.Preliminary calculations based upon a classical picture indicate that an energy boost of 0.33E₀ can be generated after once shuttle collision,E₀ is the mean incident energy per nucleon.The energy spectra and angular distributions of emitted nucleons are evaluated,and the physical significances of the results are discussed.