Observation of hard processes in collisions of two quasi-real photons

M. Althoff, W. Braunschweig, F. J. Kirschfink, K. Lübelsmeyer, H. U. Martyn, G. Peise, J. Rimkus, P. Rosskamp, H. G. Sander, D. Schmitz, H. Siebke, W. Wallraff, H. M. Fischer, H. Hartmann, W. Hillen, A. Jocksch, G. Knop, L. Köpke, H. Kolanoski, H. KückV. Mertens, R. Wedemeyer, N. Wermes, M. Wollstadt, Y. Eisenberg, K. Gather, H. Hultschig, P. Joos, W. Koch, U. Kötz, H. Kowalsi, A. Ladage, B. Löhr, D. Lüke, P. Mättig, D. Notz, R. J. Nowak, J. Pyrlik, D. R. Quarrie, M. Rushton, W. Schütte, D. Trines, G. Wolf, Ch Xiao, R. Fohrmann, E. Hilger, T. Kracht, H. L. Krasemann, P. Leu, E. Lohrmann, D. Pandoulas, G. Poelz, B. H. Wiik, R. Beuselinck, D. M. Binnie, A. L. Campbell, P. J. Dornan, B. Foster, D. A. Garbutt, C. Jenkins, T. D. Jones, W. G. Jones, J. McCardle, J. K. Sedgbeer, J. Thomas, W. A T Wan Abdullah, K. W. Bell, M. G. Bowler, P. Bull, R. J. Cashmore, P. E L Clarke, R. Devenish, P. Grossmann, C. M. Hawkes, S. L. Lloyd, G. L. Salmon, T. R. Wyatt, C. Youngman, G. E. Forden, J. C. Hart, J. Harvey, D. K. Hasell, J. Proudfoot, D. H. Saxon, P. L. Woodworth, F. Barreiro, M. Dittmar, M. Holder, B. Neumann, E. Duchovni, U. Karshon, G. Mikenberg, R. Mir, D. Revel, E. Ronat, A. Shapira, G. Yekutieli, T. Barklow, A. Caldwell, Michael G. Cherney, J. M. Izen, M. Mermikides, G. Rudolph, D. Strom, H. Venkataramania, E. Wicklund, Sau Lan Wu, G. Zobernig

Research output: Contribution to journal › Article

10 Citations (Scopus)

Abstract

Hard processes in photon-photon collisions are studied using high statistics data without requiring an electron tag. A high yield of hadrons with pt in the range 1.5-3.0 GeV/c is observed. This yield exceeds the expectation of the Born term by a factor of four.

Original languageEnglish
Pages (from-to)219-224
Number of pages6
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume138
Issue number1-3
DOIs
StatePublished - Apr 12 1984
Externally publishedYes

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collisions
photons
hadrons
statistics
electrons

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

Cite this

Althoff, M., Braunschweig, W., Kirschfink, F. J., Lübelsmeyer, K., Martyn, H. U., Peise, G., ... Zobernig, G. (1984). Observation of hard processes in collisions of two quasi-real photons. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 138(1-3), 219-224. https://doi.org/10.1016/0370-2693(84)91904-X

Observation of hard processes in collisions of two quasi-real photons. / Althoff, M.; Braunschweig, W.; Kirschfink, F. J.; Lübelsmeyer, K.; Martyn, H. U.; Peise, G.; Rimkus, J.; Rosskamp, P.; Sander, H. G.; Schmitz, D.; Siebke, H.; Wallraff, W.; Fischer, H. M.; Hartmann, H.; Hillen, W.; Jocksch, A.; Knop, G.; Köpke, L.; Kolanoski, H.; Kück, H.; Mertens, V.; Wedemeyer, R.; Wermes, N.; Wollstadt, M.; Eisenberg, Y.; Gather, K.; Hultschig, H.; Joos, P.; Koch, W.; Kötz, U.; Kowalsi, H.; Ladage, A.; Löhr, B.; Lüke, D.; Mättig, P.; Notz, D.; Nowak, R. J.; Pyrlik, J.; Quarrie, D. R.; Rushton, M.; Schütte, W.; Trines, D.; Wolf, G.; Xiao, Ch; Fohrmann, R.; Hilger, E.; Kracht, T.; Krasemann, H. L.; Leu, P.; Lohrmann, E.; Pandoulas, D.; Poelz, G.; Wiik, B. H.; Beuselinck, R.; Binnie, D. M.; Campbell, A. L.; Dornan, P. J.; Foster, B.; Garbutt, D. A.; Jenkins, C.; Jones, T. D.; Jones, W. G.; McCardle, J.; Sedgbeer, J. K.; Thomas, J.; Wan Abdullah, W. A T; Bell, K. W.; Bowler, M. G.; Bull, P.; Cashmore, R. J.; Clarke, P. E L; Devenish, R.; Grossmann, P.; Hawkes, C. M.; Lloyd, S. L.; Salmon, G. L.; Wyatt, T. R.; Youngman, C.; Forden, G. E.; Hart, J. C.; Harvey, J.; Hasell, D. K.; Proudfoot, J.; Saxon, D. H.; Woodworth, P. L.; Barreiro, F.; Dittmar, M.; Holder, M.; Neumann, B.; Duchovni, E.; Karshon, U.; Mikenberg, G.; Mir, R.; Revel, D.; Ronat, E.; Shapira, A.; Yekutieli, G.; Barklow, T.; Caldwell, A.; Cherney, Michael G.; Izen, J. M.; Mermikides, M.; Rudolph, G.; Strom, D.; Venkataramania, H.; Wicklund, E.; Wu, Sau Lan; Zobernig, G.

In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 138, No. 1-3, 12.04.1984, p. 219-224.

Research output: Contribution to journal › Article

Althoff, M, Braunschweig, W, Kirschfink, FJ, Lübelsmeyer, K, Martyn, HU, Peise, G, Rimkus, J, Rosskamp, P, Sander, HG, Schmitz, D, Siebke, H, Wallraff, W, Fischer, HM, Hartmann, H, Hillen, W, Jocksch, A, Knop, G, Köpke, L, Kolanoski, H, Kück, H, Mertens, V, Wedemeyer, R, Wermes, N, Wollstadt, M, Eisenberg, Y, Gather, K, Hultschig, H, Joos, P, Koch, W, Kötz, U, Kowalsi, H, Ladage, A, Löhr, B, Lüke, D, Mättig, P, Notz, D, Nowak, RJ, Pyrlik, J, Quarrie, DR, Rushton, M, Schütte, W, Trines, D, Wolf, G, Xiao, C, Fohrmann, R, Hilger, E, Kracht, T, Krasemann, HL, Leu, P, Lohrmann, E, Pandoulas, D, Poelz, G, Wiik, BH, Beuselinck, R, Binnie, DM, Campbell, AL, Dornan, PJ, Foster, B, Garbutt, DA, Jenkins, C, Jones, TD, Jones, WG, McCardle, J, Sedgbeer, JK, Thomas, J, Wan Abdullah, WAT, Bell, KW, Bowler, MG, Bull, P, Cashmore, RJ, Clarke, PEL, Devenish, R, Grossmann, P, Hawkes, CM, Lloyd, SL, Salmon, GL, Wyatt, TR, Youngman, C, Forden, GE, Hart, JC, Harvey, J, Hasell, DK, Proudfoot, J, Saxon, DH, Woodworth, PL, Barreiro, F, Dittmar, M, Holder, M, Neumann, B, Duchovni, E, Karshon, U, Mikenberg, G, Mir, R, Revel, D, Ronat, E, Shapira, A, Yekutieli, G, Barklow, T, Caldwell, A, Cherney, MG, Izen, JM, Mermikides, M, Rudolph, G, Strom, D, Venkataramania, H, Wicklund, E, Wu, SL & Zobernig, G 1984, 'Observation of hard processes in collisions of two quasi-real photons', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 138, no. 1-3, pp. 219-224. https://doi.org/10.1016/0370-2693(84)91904-X
Althoff M, Braunschweig W, Kirschfink FJ, Lübelsmeyer K, Martyn HU, Peise G et al. Observation of hard processes in collisions of two quasi-real photons. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 1984 Apr 12;138(1-3):219-224. https://doi.org/10.1016/0370-2693(84)91904-X
Althoff, M. ; Braunschweig, W. ; Kirschfink, F. J. ; Lübelsmeyer, K. ; Martyn, H. U. ; Peise, G. ; Rimkus, J. ; Rosskamp, P. ; Sander, H. G. ; Schmitz, D. ; Siebke, H. ; Wallraff, W. ; Fischer, H. M. ; Hartmann, H. ; Hillen, W. ; Jocksch, A. ; Knop, G. ; Köpke, L. ; Kolanoski, H. ; Kück, H. ; Mertens, V. ; Wedemeyer, R. ; Wermes, N. ; Wollstadt, M. ; Eisenberg, Y. ; Gather, K. ; Hultschig, H. ; Joos, P. ; Koch, W. ; Kötz, U. ; Kowalsi, H. ; Ladage, A. ; Löhr, B. ; Lüke, D. ; Mättig, P. ; Notz, D. ; Nowak, R. J. ; Pyrlik, J. ; Quarrie, D. R. ; Rushton, M. ; Schütte, W. ; Trines, D. ; Wolf, G. ; Xiao, Ch ; Fohrmann, R. ; Hilger, E. ; Kracht, T. ; Krasemann, H. L. ; Leu, P. ; Lohrmann, E. ; Pandoulas, D. ; Poelz, G. ; Wiik, B. H. ; Beuselinck, R. ; Binnie, D. M. ; Campbell, A. L. ; Dornan, P. J. ; Foster, B. ; Garbutt, D. A. ; Jenkins, C. ; Jones, T. D. ; Jones, W. G. ; McCardle, J. ; Sedgbeer, J. K. ; Thomas, J. ; Wan Abdullah, W. A T ; Bell, K. W. ; Bowler, M. G. ; Bull, P. ; Cashmore, R. J. ; Clarke, P. E L ; Devenish, R. ; Grossmann, P. ; Hawkes, C. M. ; Lloyd, S. L. ; Salmon, G. L. ; Wyatt, T. R. ; Youngman, C. ; Forden, G. E. ; Hart, J. C. ; Harvey, J. ; Hasell, D. K. ; Proudfoot, J. ; Saxon, D. H. ; Woodworth, P. L. ; Barreiro, F. ; Dittmar, M. ; Holder, M. ; Neumann, B. ; Duchovni, E. ; Karshon, U. ; Mikenberg, G. ; Mir, R. ; Revel, D. ; Ronat, E. ; Shapira, A. ; Yekutieli, G. ; Barklow, T. ; Caldwell, A. ; Cherney, Michael G. ; Izen, J. M. ; Mermikides, M. ; Rudolph, G. ; Strom, D. ; Venkataramania, H. ; Wicklund, E. ; Wu, Sau Lan ; Zobernig, G. / Observation of hard processes in collisions of two quasi-real photons. In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 1984 ; Vol. 138, No. 1-3. pp. 219-224.
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TY - JOUR

T1 - Observation of hard processes in collisions of two quasi-real photons

AU - Althoff, M.

AU - Braunschweig, W.

AU - Kirschfink, F. J.

AU - Lübelsmeyer, K.

AU - Martyn, H. U.

AU - Peise, G.

AU - Rimkus, J.

AU - Rosskamp, P.

AU - Sander, H. G.

AU - Schmitz, D.

AU - Siebke, H.

AU - Wallraff, W.

AU - Fischer, H. M.

AU - Hartmann, H.

AU - Hillen, W.

AU - Jocksch, A.

AU - Knop, G.

AU - Köpke, L.

AU - Kolanoski, H.

AU - Kück, H.

AU - Mertens, V.

AU - Wedemeyer, R.

AU - Wermes, N.

AU - Wollstadt, M.

AU - Eisenberg, Y.

AU - Gather, K.

AU - Hultschig, H.

AU - Joos, P.

AU - Koch, W.

AU - Kötz, U.

AU - Kowalsi, H.

AU - Ladage, A.

AU - Löhr, B.

AU - Lüke, D.

AU - Mättig, P.

AU - Notz, D.

AU - Nowak, R. J.

AU - Pyrlik, J.

AU - Quarrie, D. R.

AU - Rushton, M.

AU - Schütte, W.

AU - Trines, D.

AU - Wolf, G.

AU - Xiao, Ch

AU - Fohrmann, R.

AU - Hilger, E.

AU - Kracht, T.

AU - Krasemann, H. L.

AU - Leu, P.

AU - Lohrmann, E.

AU - Pandoulas, D.

AU - Poelz, G.

AU - Wiik, B. H.

AU - Beuselinck, R.

AU - Binnie, D. M.

AU - Campbell, A. L.

AU - Dornan, P. J.

AU - Foster, B.

AU - Garbutt, D. A.

AU - Jenkins, C.

AU - Jones, T. D.

AU - Jones, W. G.

AU - McCardle, J.

AU - Sedgbeer, J. K.

AU - Thomas, J.

AU - Wan Abdullah, W. A T

AU - Bell, K. W.

AU - Bowler, M. G.

AU - Bull, P.

AU - Cashmore, R. J.

AU - Clarke, P. E L

AU - Devenish, R.

AU - Grossmann, P.

AU - Hawkes, C. M.

AU - Lloyd, S. L.

AU - Salmon, G. L.

AU - Wyatt, T. R.

AU - Youngman, C.

AU - Forden, G. E.

AU - Hart, J. C.

AU - Harvey, J.

AU - Hasell, D. K.

AU - Proudfoot, J.

AU - Saxon, D. H.

AU - Woodworth, P. L.

AU - Barreiro, F.

AU - Dittmar, M.

AU - Holder, M.

AU - Neumann, B.

AU - Duchovni, E.

AU - Karshon, U.

AU - Mikenberg, G.

AU - Mir, R.

AU - Revel, D.

AU - Ronat, E.

AU - Shapira, A.

AU - Yekutieli, G.

AU - Barklow, T.

AU - Caldwell, A.

AU - Cherney, Michael G.

AU - Izen, J. M.

AU - Mermikides, M.

AU - Rudolph, G.

AU - Strom, D.

AU - Venkataramania, H.

AU - Wicklund, E.

AU - Wu, Sau Lan

AU - Zobernig, G.

PY - 1984/4/12

Y1 - 1984/4/12

N2 - Hard processes in photon-photon collisions are studied using high statistics data without requiring an electron tag. A high yield of hadrons with pt in the range 1.5-3.0 GeV/c is observed. This yield exceeds the expectation of the Born term by a factor of four.

AB - Hard processes in photon-photon collisions are studied using high statistics data without requiring an electron tag. A high yield of hadrons with pt in the range 1.5-3.0 GeV/c is observed. This yield exceeds the expectation of the Born term by a factor of four.

UR - http://www.scopus.com/inward/record.url?scp=25744472174&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=25744472174&partnerID=8YFLogxK

U2 - 10.1016/0370-2693(84)91904-X

DO - 10.1016/0370-2693(84)91904-X

M3 - Article

AN - SCOPUS:25744472174

VL - 138

SP - 219

EP - 224

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

SN - 0370-2693

IS - 1-3

ER -

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