SW Jiaotong Univ, Inst Modern Phys, Chengdu 610031, Peoples R China
; CAS, Inst High Energy Phys, Beijing 100049, Peoples R China
A method of determining the p-air inelastic cross section by measuring the directly arrived protons at high altitudes is presented. Its feasibility is studied via a Monte Carlo simulation. Assuming a KASCADE-like hadron calorimeter is set up at the center of the Yangbajing ARGO array, selecting events with air shower (AS) cores hitting the calorimeter, using the full-coverage ARGO array as AS anti-coincidence and using the calorimeter to measure energies of the unaccompanied hadrons, the directly arrived primary protons can be registered with a known efficiency. By the obtained event sample of directly arrived protons the p-air inelastic cross section used in the Monte Carlo can be re-produced with a precision of 1%-2% that demonstrates the feasibility of this approach.
Lan, XG,Hou, Y,Zhou, XX,et al. Study of p-air inelastic cross section with directly arrived protons at Yangbajing[J]. HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,2007,31(6):513-517.
Lan, XG.,Hou, Y.,Zhou, XX.,Jia, HY.,Cao, Z.,...&丁林恺.(2007).Study of p-air inelastic cross section with directly arrived protons at Yangbajing.HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,31(6),513-517.
Lan, XG,et al."Study of p-air inelastic cross section with directly arrived protons at Yangbajing".HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION 31.6(2007):513-517.