NUCLEAR COMPONENTS OF PRIMARYS COSMIC RAYS AND CLUSTER PHENOMENA IN EMULSION CHAMBER EXPERIMENTS

DING Lin-Kai; JING Gui-Ru

Chinese Physics C> 1983, Vol. 7> Issue(2) : 129-134

NUCLEAR COMPONENTS OF PRIMARYS COSMIC RAYS AND CLUSTER PHENOMENA IN EMULSION CHAMBER EXPERIMENTS

DING Lin-Kai ^, ,
JING Gui-Ru

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Abstract：
Under the condition of primary nucleus incidence, the ultrahigh energy interactions in the atmosphere are simulated using quark-quark scattering and CKP model of ordinary hadronic interactions. The results show that nuclei can produce more two-cluster events than proton and the distance between the two clusters to nucleus incidence is also wider. Because the energy regions of producing two-cluster events for different primary particles are different the main contribution to two-cluster events is still due to protons and heliums. There is no important effect in forming duster structure from geomagnetic field. Comparing with experimental data it is expected that there might exist some new production process with larger P_T.

References

[1]

Ding Lin-gai et al., 17th ICRC V5 (1981), 324.[2] M. Akashi et al., 17th ICRC V5 (1981), 278.[3] G. Coccon, Nucl. Phys., B28 (1971), 341.[4] M. Akashi et al., ICR-Report-87-81-3; H. gasahara et al., 16th ICRC 13 (1979), 76.[5] K. gasahara et al., 16th ICRC, 13(1979), 70.[6] P. S. Freir et al., Astrophysics and Space Science, 38(1975), 429.[7] P. Slattery, Phys. Rev., D7 (1973), 2073.[8] C. M. G. Lettes et al., Phys. Reports., No. 3(1980), 65.

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DING Lin-Kai and JING Gui-Ru. NUCLEAR COMPONENTS OF PRIMARYS COSMIC RAYS AND CLUSTER PHENOMENA IN EMULSION CHAMBER EXPERIMENTS[J]. Chinese Physics C, 1983, 7(2): 129-134.

DING Lin-Kai and JING Gui-Ru. NUCLEAR COMPONENTS OF PRIMARYS COSMIC RAYS AND CLUSTER PHENOMENA IN EMULSION CHAMBER EXPERIMENTS[J]. Chinese Physics C, 1983, 7(2): 129-134. shu

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Received: 1900-01-01
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

NUCLEAR COMPONENTS OF PRIMARYS COSMIC RAYS AND CLUSTER PHENOMENA IN EMULSION CHAMBER EXPERIMENTS

DING Lin-Kai ^,
JING Gui-Ru

Corresponding author: DING Lin-Kai,

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1983-04-05

Abstract: Under the condition of primary nucleus incidence, the ultrahigh energy interactions in the atmosphere are simulated using quark-quark scattering and CKP model of ordinary hadronic interactions. The results show that nuclei can produce more two-cluster events than proton and the distance between the two clusters to nucleus incidence is also wider. Because the energy regions of producing two-cluster events for different primary particles are different the main contribution to two-cluster events is still due to protons and heliums. There is no important effect in forming duster structure from geomagnetic field. Comparing with experimental data it is expected that there might exist some new production process with larger P_T.