标题： 质子与中子晕破裂 显示英文标题

标题： Proton vs. neutron halo breakup

摘要： 在本文中，我们展示了如何为质子在结合的核-库仑势中定义有效的参数，如有效结合能，包括目标势，在质子被束缚在作为核反应伙伴的原子核中的情况下。使用这些有效参数，质子的行为类似于中子。通过这种方式，可以解释从由非常弱结合的质子晕核引发的反应的动力学计算中得到的一些意想不到的结果。具体来说，当靶核较重且入射能量中等到高时，剥离主导了核破裂截面，而该截面又超过了库仑破裂截面。我们的解释也有助于澄清为什么从不同类型的数据中提取的质子晕的存在性和特性有时看起来是矛盾的。 显示英文摘要

摘要： In this paper we show how effective parameters such as effective binding energies can be defined for a proton in the combined nuclear-Coulomb potential, including also the target potential, in the case in which the proton is bound in a nucleus which is partner of a nuclear reaction. Using such effective parameters the proton behaves similarly to a neutron. In this way some unexpected results obtained from dynamical calculations for reactions initiated by very weakly bound proton halo nuclei can be interpreted. Namely the fact that stripping dominates the nuclear breakup cross section which in turn dominates over the Coulomb breakup even when the target is heavy at medium to high incident energies. Our interpretation helps also clarifying why the existence and characteristics of a proton halo extracted from different types of data have sometimes appeared contradictory.