2023/10/03 by S. R. Gevorkyan, A. Guskov, Gevorkyan, S. R. +1
Physics and Astronomy · #Nuclear physics research studies #Quantum Chromodynamics and Particle Interactions #Atomic and Subatomic Physics Research
paper · pdf · doi:10.48550/arxiv.2310.02389
The production of unstable particles on different nuclei provides the possibility to determine the total cross section of the interaction of vector mesons V=ρ,ω,φ, K*0(892),J/ψ etc. with nucleons. This interaction is defined by a set of amplitudes that correspond to the transverse (helicity λ=± 1) or longitudinal (λ=0) polarization of the vector meson. The total cross section for the interaction of transversely polarized vector mesons with nucleon σT=σ(VT N) has been extracted from the coherent photoproduction of vector mesons off nuclei, while the vector meson production in charge exchange reactions as π^±(K^±)+A→ V0(K*0)+A' provides the unique opportunity to obtain the not yet measured total cross section for longitudinally polarized vector meson interacting with nucleon σL=σ(VL N). We shortly discuss the importance of the knowledge of σL and possibility to extract its value from experiments on nuclear target.