Attenuation of High Energy Hadrons in Iron

  • The attenuation lengths of hadron fluxes with visible energies higher than 4TeV have been observed in thick type iron emulsion chambers exposed at Mt. Kanbala with high detecting efficiency for hadrons.Uncorrelated hadrons as well as hadrons in family events with visible energies of ΣEγ>500TeV、100TeV≤ΣEγ≤500TeV and 30TeV≤ΣEγ<100TeV are measured.Preliminary results indicate that the attenuation lengths of hadrons in iron in these four cases are different.A brief discussion is given.
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  • [1] J.R.Ren et al.,Phys.Rev.,D38(1988)1417.[2]I.Ohta,宇宙线研究,24(1980)147.[3]任敬儒等,高能物理与核物理,15(1990)961.[4]T.Arisawa et al.,ISSN: 019-8318(1993)
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Ren Jingru, Lu Suiling, Wang Chengrui, He Mao, Zhang Naijian, Cao Peiyuan, Li Jinyu, Wang Sh, Wang izhi and Wang Mingxing. Attenuation of High Energy Hadrons in Iron[J]. Chinese Physics C, 1996, 20(5): 405-408.
Ren Jingru, Lu Suiling, Wang Chengrui, He Mao, Zhang Naijian, Cao Peiyuan, Li Jinyu, Wang Sh, Wang izhi and Wang Mingxing. Attenuation of High Energy Hadrons in Iron[J]. Chinese Physics C, 1996, 20(5): 405-408. shu
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Received: 1900-01-01
Revised: 1900-01-01
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Attenuation of High Energy Hadrons in Iron

    Corresponding author: Ren Jingru,
  • Institute of High Enemy Physics,The Chinese Academy of Sciences,Beijing 1000392 Departmeat Of Physics,Shandong University,Jinan 2501003 Department of Physics,Zhengzhou University,Zhengzhou 450052

Abstract: The attenuation lengths of hadron fluxes with visible energies higher than 4TeV have been observed in thick type iron emulsion chambers exposed at Mt. Kanbala with high detecting efficiency for hadrons.Uncorrelated hadrons as well as hadrons in family events with visible energies of ΣEγ>500TeV、100TeV≤ΣEγ≤500TeV and 30TeV≤ΣEγ<100TeV are measured.Preliminary results indicate that the attenuation lengths of hadrons in iron in these four cases are different.A brief discussion is given.

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