Nuclear transparency

Nuclear transparency is the ratio of cross-sections for exclusive processes from the nuclei to those of the nucleons. Nuclear transparency is the ratio of cross-sections for exclusive processes from the nuclei to those of the nucleons. If a nuclear cross-section is denoted as σ N {displaystyle sigma _{N}} and free nucleon cross-section as σ 0 {displaystyle sigma _{0}} ,then nuclear transparency can be defined as T = σ N / A σ 0 {displaystyle T=sigma _{N}/Asigma _{0}} , where σ N {displaystyle sigma _{N}} can be parameterized in terms of σ 0 {displaystyle sigma _{0}} as σ N = A α σ 0 {displaystyle sigma _{N}=A^{alpha }sigma _{0}} . Therefore, transparency can be expressed as T = A α − 1 {displaystyle T=A^{alpha -1}} .Here, nucleon cross-section can be thought of as a hydrogen cross-section, and nuclei cross-section can be as for other targets.