Chinese Physics C > 1980, Vol. 4 > Issue(6): 735-740

MONTE-CARLO SIMULATION OF COSMIC RAY ANTIPROTON INTENSITY

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Abstract：
Using Monte-Carlo method, the propagation of cosmic ray hadrons throughatmosphere is simulated. The aim is to study. the production of N Nin strong interac-tions beyond the accelerator energy range and to see whether there is certain fractionof antiprotons by means of comparing the calculated and measured cosmic ray anti-proton intensity at 3200m above sea level. The calculated spectra of cosmic ray p, π ^±, μat mountain altitude and at sea level are shown to agree with the measured ones.Some discussions on the results are given.

References

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P. Capiluppi et al., Nucl. Phys., B79(1974), 189.[2] R. H. Vatcha et. al., J. Phys., A6(1973), 1612.[3] Japan,Brasil Collaboration, 13th International Cosmic Rah Conference, Denver, 3(1873), 2227.[4] 袁余奎等,高能物理与核物理,2(1978),478.[5] 覃克宇(待发表).[6] R. A. Nam et al., 15th InterNational Cosmic Ray Conference, Plovdiv, 7(1977), 104.[7] J. Whitmore, Phys. Reports 27C(1876), 187.[8] J. R. Hook e4 al.. J. Phys., A7(1974), 765.[9] R. Slansky, Phys. Reports, 11C(1974), 100.[10] P. Slattery, Phys. Rev., D7(1973), 2073.[11] G. Cocconi. Nucl. Phys.. B28(1971). 341.[12] S. Hayakawa, Consmic Ray Physics, 1969, John Wiley and Sons, p. 568[13] O. C. Allkofer et al., Phys. Lett., 36B(1971), 425.[14] G. Brooke et al., Proc. Phys. Soc., 83(1964), 843.[15] G. Brooke et ad., Proo. Phys. Soc., 83(1964), 871.[16] O. C. Allkofer, Habil-Schr. giel., 1964.[17] N.M.Kocharian et al., J. Exp. Theo. Phys., (USSR), 35(1959), 933.[18] O. G. Allkafer et al., Nuo. Cim., 39(1965), 1051.[19] G. Yekutieli, Nucl. Phys., B47(1972),621.

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Ding Lin-kai and Zhu Qing-qi. MONTE-CARLO SIMULATION OF COSMIC RAY ANTIPROTON INTENSITY[J]. Chinese Physics C, 1980, 4(6): 735-740.

Ding Lin-kai and Zhu Qing-qi. MONTE-CARLO SIMULATION OF COSMIC RAY ANTIPROTON INTENSITY[J]. Chinese Physics C, 1980, 4(6): 735-740. shu

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Received: 1979-10-07
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

MONTE-CARLO SIMULATION OF COSMIC RAY ANTIPROTON INTENSITY

Ding Lin-kai
Zhu Qing-qi

Received Date:1979-10-07
Accepted Date:1900-01-01
Available Online:1980-12-05

Abstract:Using Monte-Carlo method, the propagation of cosmic ray hadrons throughatmosphere is simulated. The aim is to study. the production of NNin strong interac-tions beyond the accelerator energy range and to see whether there is certain fractionof antiprotons by means of comparing the calculated and measured cosmic ray anti-proton intensity at 3200m above sea level. The calculated spectra of cosmic rayp,π^±,μat mountain altitude and at sea level are shown to agree with the measured ones.Some discussions on the results are given.