An interferometric study of the χc0(13P0) in the reactions p($)over-bar-p→π0π0, ηη, π0η

被引：0
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作者：
Rosen, JL [1 ]
机构：
[1] Northwestern Univ, Dept Phys & Astron, Evanston, IL 60208 USA
来源：
INTERSECTIONS OF PARTICLE AND NUCLEAR PHYSICS | 2003年 / 698卷
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中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
Fermilab experiment E835 has observed (p) over barp annihilation production of the charmonium state chi(c0) and its subsequent decay into pi(0)pi(0) and etaeta. Although the resonant amplitude is an order of magnitude smaller than that of the non-resonant continuum production of pi(0)pi(0), an enhanced interference signal is evident. A partial wave expansion is used to extract physics parameters. The amplitudes J = 0 and 2, of comparable strength, dominate the expansion.
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页码：571 / 574
页数：4
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