SCATTERING AMPLITUDE WITH LARGE MOMENTUM TRANSFER CALCULATED FROM THE BAKAMJIAN-THOMAS EQUATION AND THE REPULSIVE CORE OF NUCLEAR FORCE

PAN JI-ZHI; WANG WEI-WEI; ZHAO WEI-QIN; BAO CHENG-GUANG

Chinese Physics C> 1981, Vol. 5> Issue(4) : 465-471

SCATTERING AMPLITUDE WITH LARGE MOMENTUM TRANSFER CALCULATED FROM THE BAKAMJIAN-THOMAS EQUATION AND THE REPULSIVE CORE OF NUCLEAR FORCE

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Abstract：
Using Born expansion of Elkonal wave function, a scattering amplitude with large momentum transfer is obtained for B-T equation. Comparing with the experimental data of p-p scattering at √<span style="border-top: 1px solid; padding-top: 0px;">s</span>=6.15 GeV, it is determined that the height of the repulsive core is about 0.37 GeV for a combined Gaussian potential, thus it is proved that an infinite hard repulsive core does not exist in the nuclear force. Beaides, this method can be used to investigate the strong interaction and its variation with energy for other high energy particles.

References

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鲍诚光、赵维勤,高能物理与株物理,2(l978), 336;3(1979), 183;3(1979),333.[2] P. A. M. Dirac, Rev. Mod. Phys., 21(1949), 392;B. Bakamjian, L.H.Thomas, Phys. Rev.,92(1953), 1300; L. L. Foldy, Phys. Rev.,122(1961), 275; F.Coester Helv. Phys. Acta., 38(1965), 7.[3] 卢世琪、朱熙泉、赵维勤、鲍诚光,高能物理与核物理,5(1981), 121.[4] T. V. Allaby et al., Phys. Lett., 28B. 1(1968),67.[5] D. I. Abarbanel, Rev. Mod. Phys., 48(1978), 435.[6] A.D. Kriach, Review Talk at 1977 Meeting of American Physical Society Division Particlca and Fields, October 7, 1977, Argonne.

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PAN JI-ZHI, WANG WEI-WEI, ZHAO WEI-QIN and BAO CHENG-GUANG. SCATTERING AMPLITUDE WITH LARGE MOMENTUM TRANSFER CALCULATED FROM THE BAKAMJIAN-THOMAS EQUATION AND THE REPULSIVE CORE OF NUCLEAR FORCE[J]. Chinese Physics C, 1981, 5(4): 465-471.

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Received: 1980-04-07
Revised: 1900-01-01

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