THE “UNIRARY ENERGY BAND” STRUCTURE IN THE BARYON-ANTIBARYON SYSTEN

  • In the present paper a picture of the baryon-antibaryon system is proposed. If proton, neutron and A hyperon with spin 1/2 form the SU(6) basic particles, then the baryon-antibaryon system must be classified by the SU(6) group (It can be classified into pseudoscalar BB system and vector BB system). The spectrum of the BB system has two characteristics: The "Unitary energy band" and the "strangeness analogy state". In this paper the experimental spectrum of the Pp systemwith spin 1/2 and the calculation show that there exist the SU(6) "Unitary energy band" in the Pp system and exist the "strangeness analogy state" between the Pp system and other BB systems such as np system or BB systems which have strangeness S=±1.
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  • [1] E. Fermi and C. M. Yang, Phys. Rev., 76(1949), 1739;S. Sakate, Prog. Theor. Phys, 16(1958), 686,M. Gell-Mann and Y. Neeman. The Eieht fold Way. 1964.[2] B. Sakita, Phys. Rev., 136B(19d4), 1756; F.Glirsey and L. A. Radicati, Phys. Rev. Lett., 13 (1964), 173.[3] 陈晓天、阮图南、张禹顺、李扬国,高能物理与核物理,4(1980), 445,[4] 张禹顺、王潍潍、李扬国、陈晓天、阮图南,高能物理与核物理5 (1980),149,[5] 曹徽文,1979年私人通信.[6] P. G. Pavlopoulus et al.,Phys. Lett.,72B(1978), 415.[7] L. Gray et al., Phys. Rev. Lett., 34(1975), 1491.[8] T. galogeropoulas et al., Phys. Rev. Lett., 34(1975), 1047.[9] Ambroeio Fraecati LNF-77/24 (P) Preprint (1977).[10] A. S. Carroll et al., Phys. Rev. Lett., 32(1974), 247.[11] Y. Chalonpka et al., Phys. Lett., 61B(1976), 487.[12] L. Montanet in Proc. of V International Conf. on Experimental Meson Spectroscopy, Boston 29-30 April, (1977);CEBN/EP/Phys., 77-22 (1977).[13] S. Ozaki, Proc. 19th International Conf. on High Energy Phyeice, A5 Hadron Spectroscopy, p.101, 1978. Tokyo.[14] A. Benvennti et al., Phys. Rev. Lett.,27(1971),183.[15] A. Carter et al., Phys. Lett., 67B(1977), 117; Rutherford Lab. Preprint RL/78/032(1978), IV Eurnperan Antiproton Symp. Straebonrg, June (1978).[16] P. Benkeiri et al., Phys. Lett., 68B(1977), 483.[17] O. Braun et ai., Phys. Lett., 60B(1976),481.[18] O. Avaugelieta et al., Phys. Lett., 72B(1977), 139.[19] A. Apoetolakie et al., Phys. Lett., 66B(1977), 185.[20] O. Baloehin, Proc. 19th International Conf. on High Energy Physics, 1978, Tokyo, p. 1049.
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WANG WEI-WEI, ZHANG YU-SHUN, LI YANG-GUO, CHEN XIAO-TIAN and RUAN TU-NAN. THE “UNIRARY ENERGY BAND” STRUCTURE IN THE BARYON-ANTIBARYON SYSTEN[J]. Chinese Physics C, 1981, 5(4): 441-451.
WANG WEI-WEI, ZHANG YU-SHUN, LI YANG-GUO, CHEN XIAO-TIAN and RUAN TU-NAN. THE “UNIRARY ENERGY BAND” STRUCTURE IN THE BARYON-ANTIBARYON SYSTEN[J]. Chinese Physics C, 1981, 5(4): 441-451. shu
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Received: 1979-11-26
Revised: 1900-01-01
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THE “UNIRARY ENERGY BAND” STRUCTURE IN THE BARYON-ANTIBARYON SYSTEN

Abstract: In the present paper a picture of the baryon-antibaryon system is proposed. If proton, neutron and A hyperon with spin 1/2 form the SU(6) basic particles, then the baryon-antibaryon system must be classified by the SU(6) group (It can be classified into pseudoscalar BB system and vector BB system). The spectrum of the BB system has two characteristics: The "Unitary energy band" and the "strangeness analogy state". In this paper the experimental spectrum of the Pp systemwith spin 1/2 and the calculation show that there exist the SU(6) "Unitary energy band" in the Pp system and exist the "strangeness analogy state" between the Pp system and other BB systems such as np system or BB systems which have strangeness S=±1.

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