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首页> 外文期刊>Physical review, C >Experimental measurement of sizes of emission sources for deuterons and alpha particles in O-16-p collisions at 3.25A GeV/c
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Experimental measurement of sizes of emission sources for deuterons and alpha particles in O-16-p collisions at 3.25A GeV/c

机译:在3.25A GEV / C的O-16-P碰撞中氘核和α粒子的发射源大小的实验测量

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摘要

The sizes of emission sources of deuterons and a particles were determined in minimum bias O-16-p collisions at 3.25A GeV/c from the analysis of experimental one-dimensional correlation functions of these particles, based on a theoretical model assuming the simultaneous excitation and decay of sources (of identical particles), whose coordinates are distributed according to a Gaussian function. The peak was observed in the experimental correlation function of the pairs of a particles in the region of q < 25 MeV/c, which was deduced to be due to decays of unstable Be-8 and B-9 nuclei at various kinetic energies. This result does not contradict the popular assumption of other authors about the existence of the alpha-condensate state in the O-16 nucleus since unstable Be-8 and B-9 nuclei themselves can probably be formed from decay of the alpha-condensate state of the oxygen nucleus if such a state does exist.
机译:在3.25A GEV / C的情况下,在3.25A GEV / C的情况下,在3.25A GEV / C的情况下,根据这些颗粒的实验一维相关函数的分析,基于具有同时激励的理论模型,在3.25A GEV / C的情况下测定氘代和颗粒的尺寸。 和衰减的来源(相同的粒子),其坐标根据高斯函数分发。 在Q <25mev / c区域的成对的颗粒的实验相关函数中观察到峰,这被推导出由于在各种动能的不稳定BE-8和B-9核的衰减。 该结果与其他作者对O-16核中的α-缩合状态存在的普遍假设相矛盾,因为不稳定的BE-8和B-9核本身可能由α-缩合状态的衰减形成 氧气核如果确实存在这种状态。

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