Chinese Physics C > 1982, Vol. 6 > Issue(6): 657-664

CLUSTER PHENOMENA OBSERVED IN EMULSION CHAMBER EXPERIMENTS IN ENERGY REGION OF 10¹⁵—10¹⁶eV AND HADRON JETS WITH LARGE TRANSVERSE MOMENTA

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Abstract：
Introducing hard quark scattering mechanism in hadron-hadron interactions of10 ¹⁵--10 ¹⁶eV region, the propagation of cosmic rays through atmosphere is simulatedby using Monte-Carlo method. The results show that the qualitative features of "two-cluster" events observed in emulsion chamber experiments can be described qualitativelyby the large pr hadron jets produced in quark-quark scattering. But compared with theexperiments, the event rate obtained by us is rather small and the distance between twoclusters is too narrow. Some discussions for the characteristic of largs transverse mo-mentum phenomena in ultrahigh energy region and for improving model are given.

References

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DING LIN-KAI, ZHU QING-QI and GUO KE-ZHUN. CLUSTER PHENOMENA OBSERVED IN EMULSION CHAMBER EXPERIMENTS IN ENERGY REGION OF 10 ¹⁵—10 ¹⁶eV AND HADRON JETS WITH LARGE TRANSVERSE MOMENTA[J]. Chinese Physics C, 1982, 6(6): 657-664.

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Received: 1981-03-30
Revised: 1900-01-01

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