Direct photon production at the CERN ISR

A. L.S. Angelis; G. Basini; H. J. Besch; R. E. Breedon; L. Camilleri; T. J. Chapin; R. L. Cool; P. T. Cox; C. von Gagern; C. Grosso-Pilcher; D. S. Hanna; B. M. Humphries; J. T. Linnemann; C. Newman-Holmes; R. B. Nickerson; B. S. Nilsen; B. G. Pope; S. H. Pordes; K. J. Powell; R. W. Rusack; C. W. Salgado; A. M. Segar; S. R. Stampke; M. J. Tannenbaum; J. M. Yelton

doi:10.1016/0550-3213(89)90305-2

Direct photon production at the CERN ISR

A. L.S. Angelis, G. Basini, H. J. Besch, R. E. Breedon, L. Camilleri, T. J. Chapin, R. L. Cool, P. T. Cox, C. von Gagern, C. Grosso-Pilcher, D. S. Hanna, B. M. Humphries, J. T. Linnemann, C. Newman-Holmes, R. B. Nickerson, B. S. Nilsen, B. G. Pope, S. H. Pordes, K. J. Powell, R. W. RusackC. W. Salgado, A. M. Segar, S. R. Stampke, M. J. Tannenbaum, J. M. Yelton

Physics and Astronomy (Twin Cities)

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Abstract

A measurement of direct photon production in pp collisions at a center of mass energy ∝s=63 GeV is reported. Arrays of lead-glass calorimeters and multiwire proportional chambers were used as photon detectors. Data are presented in the transverse momentum range from 4.5 to 10 GeV/c and compared with QCD predictions. The event structure of this sample is compared with that of a set dominated by high transverse momentum π^{O ́}'s.

Original language	English (US)
Pages (from-to)	541-568
Number of pages	28
Journal	Nuclear Physics, Section B
Volume	327
Issue number	3
DOIs	https://doi.org/10.1016/0550-3213(89)90305-2
State	Published - Dec 4 1989

Bibliographical note

Funding Information:
We wish to thank the ISR Division for the excellent performance of the ISR, Robert Gros for his technical help, and Marie Anne Huber and Barbara Taylor for expert secretarial assistance. We would also like to thank P. Aurenche, R. Baier, A. Contogouris, T. Ferbel and J. Owens for stimulating and enlightening conversations. We gratefully acknowledge the Physics Department of the University of Rochester for making some computer resources available to this analysis. This research was supported in part by the National Science Foundation under grants PHY-8214679 and PHY-8607988, by the Department of Energy, and by the Science and Engineering Research Council.

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Angelis, A. L. S., Basini, G., Besch, H. J., Breedon, R. E., Camilleri, L., Chapin, T. J., Cool, R. L., Cox, P. T., von Gagern, C., Grosso-Pilcher, C., Hanna, D. S., Humphries, B. M., Linnemann, J. T., Newman-Holmes, C., Nickerson, R. B., Nilsen, B. S., Pope, B. G., Pordes, S. H., Powell, K. J., ... Yelton, J. M. (1989). Direct photon production at the CERN ISR. Nuclear Physics, Section B, 327(3), 541-568. https://doi.org/10.1016/0550-3213(89)90305-2

Angelis, ALS, Basini, G, Besch, HJ, Breedon, RE, Camilleri, L, Chapin, TJ, Cool, RL, Cox, PT, von Gagern, C, Grosso-Pilcher, C, Hanna, DS, Humphries, BM, Linnemann, JT, Newman-Holmes, C, Nickerson, RB, Nilsen, BS, Pope, BG, Pordes, SH, Powell, KJ, Rusack, RW, Salgado, CW, Segar, AM, Stampke, SR, Tannenbaum, MJ & Yelton, JM 1989, 'Direct photon production at the CERN ISR', Nuclear Physics, Section B, vol. 327, no. 3, pp. 541-568. https://doi.org/10.1016/0550-3213(89)90305-2

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title = "Direct photon production at the CERN ISR",

abstract = "A measurement of direct photon production in pp collisions at a center of mass energy ∝s=63 GeV is reported. Arrays of lead-glass calorimeters and multiwire proportional chambers were used as photon detectors. Data are presented in the transverse momentum range from 4.5 to 10 GeV/c and compared with QCD predictions. The event structure of this sample is compared with that of a set dominated by high transverse momentum π O{\' }'s.",

author = "Angelis, {A. L.S.} and G. Basini and Besch, {H. J.} and Breedon, {R. E.} and L. Camilleri and Chapin, {T. J.} and Cool, {R. L.} and Cox, {P. T.} and {von Gagern}, C. and C. Grosso-Pilcher and Hanna, {D. S.} and Humphries, {B. M.} and Linnemann, {J. T.} and C. Newman-Holmes and Nickerson, {R. B.} and Nilsen, {B. S.} and Pope, {B. G.} and Pordes, {S. H.} and Powell, {K. J.} and Rusack, {R. W.} and Salgado, {C. W.} and Segar, {A. M.} and Stampke, {S. R.} and Tannenbaum, {M. J.} and Yelton, {J. M.}",

note = "Funding Information: We wish to thank the ISR Division for the excellent performance of the ISR, Robert Gros for his technical help, and Marie Anne Huber and Barbara Taylor for expert secretarial assistance. We would also like to thank P. Aurenche, R. Baier, A. Contogouris, T. Ferbel and J. Owens for stimulating and enlightening conversations. We gratefully acknowledge the Physics Department of the University of Rochester for making some computer resources available to this analysis. This research was supported in part by the National Science Foundation under grants PHY-8214679 and PHY-8607988, by the Department of Energy, and by the Science and Engineering Research Council.",

year = "1989",

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doi = "10.1016/0550-3213(89)90305-2",

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T1 - Direct photon production at the CERN ISR

AU - Angelis, A. L.S.

AU - Basini, G.

AU - Besch, H. J.

AU - Breedon, R. E.

AU - Camilleri, L.

AU - Chapin, T. J.

AU - Cool, R. L.

AU - Cox, P. T.

AU - von Gagern, C.

AU - Grosso-Pilcher, C.

AU - Hanna, D. S.

AU - Humphries, B. M.

AU - Linnemann, J. T.

AU - Newman-Holmes, C.

AU - Nickerson, R. B.

AU - Nilsen, B. S.

AU - Pope, B. G.

AU - Pordes, S. H.

AU - Powell, K. J.

AU - Rusack, R. W.

AU - Salgado, C. W.

AU - Segar, A. M.

AU - Stampke, S. R.

AU - Tannenbaum, M. J.

AU - Yelton, J. M.

N1 - Funding Information: We wish to thank the ISR Division for the excellent performance of the ISR, Robert Gros for his technical help, and Marie Anne Huber and Barbara Taylor for expert secretarial assistance. We would also like to thank P. Aurenche, R. Baier, A. Contogouris, T. Ferbel and J. Owens for stimulating and enlightening conversations. We gratefully acknowledge the Physics Department of the University of Rochester for making some computer resources available to this analysis. This research was supported in part by the National Science Foundation under grants PHY-8214679 and PHY-8607988, by the Department of Energy, and by the Science and Engineering Research Council.

PY - 1989/12/4

Y1 - 1989/12/4

N2 - A measurement of direct photon production in pp collisions at a center of mass energy ∝s=63 GeV is reported. Arrays of lead-glass calorimeters and multiwire proportional chambers were used as photon detectors. Data are presented in the transverse momentum range from 4.5 to 10 GeV/c and compared with QCD predictions. The event structure of this sample is compared with that of a set dominated by high transverse momentum π O ́'s.

AB - A measurement of direct photon production in pp collisions at a center of mass energy ∝s=63 GeV is reported. Arrays of lead-glass calorimeters and multiwire proportional chambers were used as photon detectors. Data are presented in the transverse momentum range from 4.5 to 10 GeV/c and compared with QCD predictions. The event structure of this sample is compared with that of a set dominated by high transverse momentum π O ́'s.

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Direct photon production at the CERN ISR

Abstract

Bibliographical note

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