Qualitative Analysis of Low-Lying Resonances of the Dipositronium Emerging from Ps-Ps and Ps-Ps<sup>*</sup> Collisions

Chin. Phys. Lett.

2000, Vol. 17

Issue (5): 346-348 DOI:

Original Articles

Qualitative Analysis of Low-Lying Resonances of the Dipositronium Emerging from Ps-Ps and Ps-Ps^* Collisions

BAO Cheng-Guang^1,2;SHI Ting-Yun³

¹Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator, Lanzhou 730000 ²Department of Physics, Zhongshan University, Guangzhou 510275 (mailing address) ³Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071

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BAO Cheng-Guang, SHI Ting-Yun 2000 Chin. Phys. Lett. 17 346-348

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Abstract An analysis of channel wave functions is made to clarify the types of resonance emerging from the Ps-Ps and Ps-Ps^* collisions. The ordering of the energy levels of the states of the dipositronium is evaluated based on the inherent nodal structures of wave functions and on the existing theoretical results. The existence of a few very probable low-lying narrower resonances, namely the 0₁⁺(A₂), 1₁^-(E) ,..., benefiting from the centrifugal barrier has been suggested.

Keywords: 36.10.Dr 02.20.-a

Published: 01 May 2000

PACS:	36.10.Dr	(Positronium)
	02.20.-a	(Group theory)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2000/V17/I5/0346

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