All particle spectrum and average mass obtained by RUNJOB experiment

L. G. Sveshnikova, V. A. Derbina, V. I. Galkin, M. Hareyama, Y. Hirakawa, Y. Horiuchi, M. Ichimura, N. Inoue, Eiji Kamioka, T. Kobayashi, V. V. Kopenkin, S. Kuramata, A. K. Managadze, H. Matsutani, N. P. Misnikova, R. A. Mukhamedshin, S. Nagasawa, R. Nakano, M. Namiki, M. Nakazawa & 23 others H. Nanjo, S. N. Nazarov, S. Ohata, H. Ohtomo, V. I. Osedlo, D. S. Oshuev, P. A. Publichenko, I. V. Rakobolskaya, T. M. Roganova, C. Saito, G. P. Sazhina, H. Semba, T. Shibatae, D. Shuto, H. Sugimoto, R. Suzuki, V. M. Taran, N. Yajima, T. Yamagami, I. V. Yashin, E. A. Zamchalova, G. T. Zatsepin, I. S. Zayarnaya

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

We report the final results on all particle spectrum and on average mass coming from full data obtained by ten RUNJOB campaigns performed from 1995 up to 1999. We show the all-particle spectrum and the average mass of primary cosmic rays in the energy region 20-1000 TeV/particle. In this report we compare our results to those obtained by other direct measurements and also indirect measurements. The intensity of the RUNJOB all-particle spectrum is 40-50% less than those obtained by JACEE and SOKOL, while the slopes of the spectrum seem to be in agreement in energy range more than 100 TeV/particle. Comparing to indirect measurements, our intensity is similar to lower intensity group such as CASA-MIA, not KASCADE. The average mass remains almost constant up to ̃ 1 PeV, whereas the JACEE data suggest a rapid increase with primary energy beyond 100 TeV/particle. In EAS data there is also a considerable disagreement in the indirect data between KASCADE and CASA-MIA, with the former connecting smoothly to the RUNJOB data, and the latter connecting to the JACEE data around 2 PeV.

Original languageEnglish
Title of host publication29th International Cosmic Ray Conference, ICRC 2005
PublisherTata Institute of Fundamental Research
Pages49-52
Number of pages4
Volume3
Publication statusPublished - 2005
Externally publishedYes
Event29th International Cosmic Ray Conference, ICRC 2005 - Pune
Duration: 2005 Aug 32005 Aug 10

Other

Other29th International Cosmic Ray Conference, ICRC 2005
CityPune
Period05/8/305/8/10

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primary cosmic rays
energy
slopes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

Sveshnikova, L. G., Derbina, V. A., Galkin, V. I., Hareyama, M., Hirakawa, Y., Horiuchi, Y., ... Zayarnaya, I. S. (2005). All particle spectrum and average mass obtained by RUNJOB experiment. In 29th International Cosmic Ray Conference, ICRC 2005 (Vol. 3, pp. 49-52). Tata Institute of Fundamental Research.

All particle spectrum and average mass obtained by RUNJOB experiment. / Sveshnikova, L. G.; Derbina, V. A.; Galkin, V. I.; Hareyama, M.; Hirakawa, Y.; Horiuchi, Y.; Ichimura, M.; Inoue, N.; Kamioka, Eiji; Kobayashi, T.; Kopenkin, V. V.; Kuramata, S.; Managadze, A. K.; Matsutani, H.; Misnikova, N. P.; Mukhamedshin, R. A.; Nagasawa, S.; Nakano, R.; Namiki, M.; Nakazawa, M.; Nanjo, H.; Nazarov, S. N.; Ohata, S.; Ohtomo, H.; Osedlo, V. I.; Oshuev, D. S.; Publichenko, P. A.; Rakobolskaya, I. V.; Roganova, T. M.; Saito, C.; Sazhina, G. P.; Semba, H.; Shibatae, T.; Shuto, D.; Sugimoto, H.; Suzuki, R.; Taran, V. M.; Yajima, N.; Yamagami, T.; Yashin, I. V.; Zamchalova, E. A.; Zatsepin, G. T.; Zayarnaya, I. S.

29th International Cosmic Ray Conference, ICRC 2005. Vol. 3 Tata Institute of Fundamental Research, 2005. p. 49-52.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Sveshnikova, LG, Derbina, VA, Galkin, VI, Hareyama, M, Hirakawa, Y, Horiuchi, Y, Ichimura, M, Inoue, N, Kamioka, E, Kobayashi, T, Kopenkin, VV, Kuramata, S, Managadze, AK, Matsutani, H, Misnikova, NP, Mukhamedshin, RA, Nagasawa, S, Nakano, R, Namiki, M, Nakazawa, M, Nanjo, H, Nazarov, SN, Ohata, S, Ohtomo, H, Osedlo, VI, Oshuev, DS, Publichenko, PA, Rakobolskaya, IV, Roganova, TM, Saito, C, Sazhina, GP, Semba, H, Shibatae, T, Shuto, D, Sugimoto, H, Suzuki, R, Taran, VM, Yajima, N, Yamagami, T, Yashin, IV, Zamchalova, EA, Zatsepin, GT & Zayarnaya, IS 2005, All particle spectrum and average mass obtained by RUNJOB experiment. in 29th International Cosmic Ray Conference, ICRC 2005. vol. 3, Tata Institute of Fundamental Research, pp. 49-52, 29th International Cosmic Ray Conference, ICRC 2005, Pune, 05/8/3.
Sveshnikova LG, Derbina VA, Galkin VI, Hareyama M, Hirakawa Y, Horiuchi Y et al. All particle spectrum and average mass obtained by RUNJOB experiment. In 29th International Cosmic Ray Conference, ICRC 2005. Vol. 3. Tata Institute of Fundamental Research. 2005. p. 49-52
Sveshnikova, L. G. ; Derbina, V. A. ; Galkin, V. I. ; Hareyama, M. ; Hirakawa, Y. ; Horiuchi, Y. ; Ichimura, M. ; Inoue, N. ; Kamioka, Eiji ; Kobayashi, T. ; Kopenkin, V. V. ; Kuramata, S. ; Managadze, A. K. ; Matsutani, H. ; Misnikova, N. P. ; Mukhamedshin, R. A. ; Nagasawa, S. ; Nakano, R. ; Namiki, M. ; Nakazawa, M. ; Nanjo, H. ; Nazarov, S. N. ; Ohata, S. ; Ohtomo, H. ; Osedlo, V. I. ; Oshuev, D. S. ; Publichenko, P. A. ; Rakobolskaya, I. V. ; Roganova, T. M. ; Saito, C. ; Sazhina, G. P. ; Semba, H. ; Shibatae, T. ; Shuto, D. ; Sugimoto, H. ; Suzuki, R. ; Taran, V. M. ; Yajima, N. ; Yamagami, T. ; Yashin, I. V. ; Zamchalova, E. A. ; Zatsepin, G. T. ; Zayarnaya, I. S. / All particle spectrum and average mass obtained by RUNJOB experiment. 29th International Cosmic Ray Conference, ICRC 2005. Vol. 3 Tata Institute of Fundamental Research, 2005. pp. 49-52
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abstract = "We report the final results on all particle spectrum and on average mass coming from full data obtained by ten RUNJOB campaigns performed from 1995 up to 1999. We show the all-particle spectrum and the average mass of primary cosmic rays in the energy region 20-1000 TeV/particle. In this report we compare our results to those obtained by other direct measurements and also indirect measurements. The intensity of the RUNJOB all-particle spectrum is 40-50{\%} less than those obtained by JACEE and SOKOL, while the slopes of the spectrum seem to be in agreement in energy range more than 100 TeV/particle. Comparing to indirect measurements, our intensity is similar to lower intensity group such as CASA-MIA, not KASCADE. The average mass remains almost constant up to ̃ 1 PeV, whereas the JACEE data suggest a rapid increase with primary energy beyond 100 TeV/particle. In EAS data there is also a considerable disagreement in the indirect data between KASCADE and CASA-MIA, with the former connecting smoothly to the RUNJOB data, and the latter connecting to the JACEE data around 2 PeV.",
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TY - GEN

T1 - All particle spectrum and average mass obtained by RUNJOB experiment

AU - Sveshnikova, L. G.

AU - Derbina, V. A.

AU - Galkin, V. I.

AU - Hareyama, M.

AU - Hirakawa, Y.

AU - Horiuchi, Y.

AU - Ichimura, M.

AU - Inoue, N.

AU - Kamioka, Eiji

AU - Kobayashi, T.

AU - Kopenkin, V. V.

AU - Kuramata, S.

AU - Managadze, A. K.

AU - Matsutani, H.

AU - Misnikova, N. P.

AU - Mukhamedshin, R. A.

AU - Nagasawa, S.

AU - Nakano, R.

AU - Namiki, M.

AU - Nakazawa, M.

AU - Nanjo, H.

AU - Nazarov, S. N.

AU - Ohata, S.

AU - Ohtomo, H.

AU - Osedlo, V. I.

AU - Oshuev, D. S.

AU - Publichenko, P. A.

AU - Rakobolskaya, I. V.

AU - Roganova, T. M.

AU - Saito, C.

AU - Sazhina, G. P.

AU - Semba, H.

AU - Shibatae, T.

AU - Shuto, D.

AU - Sugimoto, H.

AU - Suzuki, R.

AU - Taran, V. M.

AU - Yajima, N.

AU - Yamagami, T.

AU - Yashin, I. V.

AU - Zamchalova, E. A.

AU - Zatsepin, G. T.

AU - Zayarnaya, I. S.

PY - 2005

Y1 - 2005

N2 - We report the final results on all particle spectrum and on average mass coming from full data obtained by ten RUNJOB campaigns performed from 1995 up to 1999. We show the all-particle spectrum and the average mass of primary cosmic rays in the energy region 20-1000 TeV/particle. In this report we compare our results to those obtained by other direct measurements and also indirect measurements. The intensity of the RUNJOB all-particle spectrum is 40-50% less than those obtained by JACEE and SOKOL, while the slopes of the spectrum seem to be in agreement in energy range more than 100 TeV/particle. Comparing to indirect measurements, our intensity is similar to lower intensity group such as CASA-MIA, not KASCADE. The average mass remains almost constant up to ̃ 1 PeV, whereas the JACEE data suggest a rapid increase with primary energy beyond 100 TeV/particle. In EAS data there is also a considerable disagreement in the indirect data between KASCADE and CASA-MIA, with the former connecting smoothly to the RUNJOB data, and the latter connecting to the JACEE data around 2 PeV.

AB - We report the final results on all particle spectrum and on average mass coming from full data obtained by ten RUNJOB campaigns performed from 1995 up to 1999. We show the all-particle spectrum and the average mass of primary cosmic rays in the energy region 20-1000 TeV/particle. In this report we compare our results to those obtained by other direct measurements and also indirect measurements. The intensity of the RUNJOB all-particle spectrum is 40-50% less than those obtained by JACEE and SOKOL, while the slopes of the spectrum seem to be in agreement in energy range more than 100 TeV/particle. Comparing to indirect measurements, our intensity is similar to lower intensity group such as CASA-MIA, not KASCADE. The average mass remains almost constant up to ̃ 1 PeV, whereas the JACEE data suggest a rapid increase with primary energy beyond 100 TeV/particle. In EAS data there is also a considerable disagreement in the indirect data between KASCADE and CASA-MIA, with the former connecting smoothly to the RUNJOB data, and the latter connecting to the JACEE data around 2 PeV.

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M3 - Conference contribution

VL - 3

SP - 49

EP - 52

BT - 29th International Cosmic Ray Conference, ICRC 2005

PB - Tata Institute of Fundamental Research

ER -