Search for point sources of ultrahigh energy rays in the southern sky

W. H. Allen; I. A. Bond; E. Budding; M. J. Conway; A. Daniel; K. B. Fenton; H. Fujii; Z. Fujii; N. Hayashida; K. Hibino; M. Honda; J. E. Humble; S. Kabe; K. Kasahara; T. Kifune; G. D. Lythe; A. Masaike; Y. Matsubara; K. Mitsui; Y. Miura; M. Mori; Y. Muraki; M. Nagano; T. Nakamura; M. Nishizawa; P. M. Morris; S. Ogio; To Saito; M. Sakata; H. Sato; H. M. Shimizu; M. Spencer; J. R. Storey; T. Tanimori; M. Teshima; Shoji Torii; A. Wadsworth; Y. Watase; M. D. Woodhams; Y. Yamamoto; P. C M Yock; T. Yuda

doi:10.1103/PhysRevD.48.466

Search for point sources of ultrahigh energy rays in the southern sky

W. H. Allen^*, I. A. Bond, E. Budding, M. J. Conway, A. Daniel, K. B. Fenton, H. Fujii, Z. Fujii, N. Hayashida, K. Hibino, M. Honda, J. E. Humble, S. Kabe, K. Kasahara, T. Kifune, G. D. Lythe, A. Masaike, Y. Matsubara, K. Mitsui, Y. MiuraM. Mori, Y. Muraki, M. Nagano, T. Nakamura, M. Nishizawa, P. M. Morris, S. Ogio, To Saito, M. Sakata, H. Sato, H. M. Shimizu, M. Spencer, J. R. Storey, T. Tanimori, M. Teshima, Shoji Torii, A. Wadsworth, Y. Watase, M. D. Woodhams, Y. Yamamoto, P. C M Yock, T. Yuda

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

A search for point sources of rays with energies 100 TeV which has been made by the JANZOS Collaboration using an array of plastic scintillators located at Black Birch mountain in New Zealand is reported. The physical characteristics of the array are described, and also the techniques which have been used to analyze the data. Measurements of the angular resolution of the array using the Moon and/or Sun shadowing technique, and also a comparison test with the JANZOS array of erenkov mirrors, are reported. About 80 million events were observed in the period October 1987 to January 1992. Upper limits on the average -ray fluxes at energies 100 TeV from SN 1987A, Vela Pulsar, Vela X-1, LMC X-4, Sco X-1, Cen X-3, SMC X-1, Galactic Center, Cen A, 4U1145-619, 2A1822-371, and PSR1706-44 in this period are reported. The limits are compared with previous measurements which were made at various energies by several groups. Monthly measurements for the flux from SN1987A are also reported, and a search of the southern sky for unknown sources of ultrahigh energy rays is described. Some plans for future observations are given.

Original language	English
Pages (from-to)	466-478
Number of pages	13
Journal	Physical Review D
Volume	48
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevD.48.466
Publication status	Published - 1993
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1103/PhysRevD.48.466

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Allen, W. H., Bond, I. A., Budding, E., Conway, M. J., Daniel, A., Fenton, K. B., Fujii, H., Fujii, Z., Hayashida, N., Hibino, K., Honda, M., Humble, J. E., Kabe, S., Kasahara, K., Kifune, T., Lythe, G. D., Masaike, A., Matsubara, Y., Mitsui, K., ... Yuda, T. (1993). Search for point sources of ultrahigh energy rays in the southern sky. Physical Review D, 48(2), 466-478. https://doi.org/10.1103/PhysRevD.48.466

Allen, WH, Bond, IA, Budding, E, Conway, MJ, Daniel, A, Fenton, KB, Fujii, H, Fujii, Z, Hayashida, N, Hibino, K, Honda, M, Humble, JE, Kabe, S, Kasahara, K, Kifune, T, Lythe, GD, Masaike, A, Matsubara, Y, Mitsui, K, Miura, Y, Mori, M, Muraki, Y, Nagano, M, Nakamura, T, Nishizawa, M, Morris, PM, Ogio, S, Saito, T, Sakata, M, Sato, H, Shimizu, HM, Spencer, M, Storey, JR, Tanimori, T, Teshima, M, Torii, S, Wadsworth, A, Watase, Y, Woodhams, MD, Yamamoto, Y, Yock, PCM & Yuda, T 1993, 'Search for point sources of ultrahigh energy rays in the southern sky', Physical Review D, vol. 48, no. 2, pp. 466-478. https://doi.org/10.1103/PhysRevD.48.466

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title = "Search for point sources of ultrahigh energy rays in the southern sky",

abstract = "A search for point sources of rays with energies 100 TeV which has been made by the JANZOS Collaboration using an array of plastic scintillators located at Black Birch mountain in New Zealand is reported. The physical characteristics of the array are described, and also the techniques which have been used to analyze the data. Measurements of the angular resolution of the array using the Moon and/or Sun shadowing technique, and also a comparison test with the JANZOS array of erenkov mirrors, are reported. About 80 million events were observed in the period October 1987 to January 1992. Upper limits on the average -ray fluxes at energies 100 TeV from SN 1987A, Vela Pulsar, Vela X-1, LMC X-4, Sco X-1, Cen X-3, SMC X-1, Galactic Center, Cen A, 4U1145-619, 2A1822-371, and PSR1706-44 in this period are reported. The limits are compared with previous measurements which were made at various energies by several groups. Monthly measurements for the flux from SN1987A are also reported, and a search of the southern sky for unknown sources of ultrahigh energy rays is described. Some plans for future observations are given.",

author = "Allen, {W. H.} and Bond, {I. A.} and E. Budding and Conway, {M. J.} and A. Daniel and Fenton, {K. B.} and H. Fujii and Z. Fujii and N. Hayashida and K. Hibino and M. Honda and Humble, {J. E.} and S. Kabe and K. Kasahara and T. Kifune and Lythe, {G. D.} and A. Masaike and Y. Matsubara and K. Mitsui and Y. Miura and M. Mori and Y. Muraki and M. Nagano and T. Nakamura and M. Nishizawa and Morris, {P. M.} and S. Ogio and To Saito and M. Sakata and H. Sato and Shimizu, {H. M.} and M. Spencer and Storey, {J. R.} and T. Tanimori and M. Teshima and Shoji Torii and A. Wadsworth and Y. Watase and Woodhams, {M. D.} and Y. Yamamoto and Yock, {P. C M} and T. Yuda",

year = "1993",

doi = "10.1103/PhysRevD.48.466",

language = "English",

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pages = "466--478",

journal = "Physical Review D",

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T1 - Search for point sources of ultrahigh energy rays in the southern sky

AU - Allen, W. H.

AU - Bond, I. A.

AU - Budding, E.

AU - Conway, M. J.

AU - Daniel, A.

AU - Fenton, K. B.

AU - Fujii, H.

AU - Fujii, Z.

AU - Hayashida, N.

AU - Hibino, K.

AU - Honda, M.

AU - Humble, J. E.

AU - Kabe, S.

AU - Kasahara, K.

AU - Kifune, T.

AU - Lythe, G. D.

AU - Masaike, A.

AU - Matsubara, Y.

AU - Mitsui, K.

AU - Miura, Y.

AU - Mori, M.

AU - Muraki, Y.

AU - Nagano, M.

AU - Nakamura, T.

AU - Nishizawa, M.

AU - Morris, P. M.

AU - Ogio, S.

AU - Saito, To

AU - Sakata, M.

AU - Sato, H.

AU - Shimizu, H. M.

AU - Spencer, M.

AU - Storey, J. R.

AU - Tanimori, T.

AU - Teshima, M.

AU - Torii, Shoji

AU - Wadsworth, A.

AU - Watase, Y.

AU - Woodhams, M. D.

AU - Yamamoto, Y.

AU - Yock, P. C M

AU - Yuda, T.

PY - 1993

Y1 - 1993

N2 - A search for point sources of rays with energies 100 TeV which has been made by the JANZOS Collaboration using an array of plastic scintillators located at Black Birch mountain in New Zealand is reported. The physical characteristics of the array are described, and also the techniques which have been used to analyze the data. Measurements of the angular resolution of the array using the Moon and/or Sun shadowing technique, and also a comparison test with the JANZOS array of erenkov mirrors, are reported. About 80 million events were observed in the period October 1987 to January 1992. Upper limits on the average -ray fluxes at energies 100 TeV from SN 1987A, Vela Pulsar, Vela X-1, LMC X-4, Sco X-1, Cen X-3, SMC X-1, Galactic Center, Cen A, 4U1145-619, 2A1822-371, and PSR1706-44 in this period are reported. The limits are compared with previous measurements which were made at various energies by several groups. Monthly measurements for the flux from SN1987A are also reported, and a search of the southern sky for unknown sources of ultrahigh energy rays is described. Some plans for future observations are given.

AB - A search for point sources of rays with energies 100 TeV which has been made by the JANZOS Collaboration using an array of plastic scintillators located at Black Birch mountain in New Zealand is reported. The physical characteristics of the array are described, and also the techniques which have been used to analyze the data. Measurements of the angular resolution of the array using the Moon and/or Sun shadowing technique, and also a comparison test with the JANZOS array of erenkov mirrors, are reported. About 80 million events were observed in the period October 1987 to January 1992. Upper limits on the average -ray fluxes at energies 100 TeV from SN 1987A, Vela Pulsar, Vela X-1, LMC X-4, Sco X-1, Cen X-3, SMC X-1, Galactic Center, Cen A, 4U1145-619, 2A1822-371, and PSR1706-44 in this period are reported. The limits are compared with previous measurements which were made at various energies by several groups. Monthly measurements for the flux from SN1987A are also reported, and a search of the southern sky for unknown sources of ultrahigh energy rays is described. Some plans for future observations are given.

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Search for point sources of ultrahigh energy rays in the southern sky

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