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. Kück; V. 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; M. Cherney; J. M. Izen; M. Mermikides; G. Rudolph; D. Strom; H. Venkataramania; E. Wicklund; Sau Lan Wu; G. Zobernig

doi:10.1016/0370-2693(84)91904-X

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, M. Cherney, J. M. Izen, M. Mermikides, G. Rudolph, D. Strom, H. Venkataramania, E. Wicklund, Sau Lan Wu, G. Zobernig

Department of Physics

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

10 Scopus citations

Abstract

Hard processes in photon-photon collisions are studied using high statistics data without requiring an electron tag. A high yield of hadrons with p_t 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 language	English (US)
Pages (from-to)	219-224
Number of pages	6
Journal	Physics Letters B
Volume	138
Issue number	1-3
DOIs	https://doi.org/10.1016/0370-2693(84)91904-X
State	Published - Apr 12 1984

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics

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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., ... Zobernig, G. (1984). Observation of hard processes in collisions of two quasi-real photons. Physics Letters B, 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, M.; Izen, J. M.; Mermikides, M.; Rudolph, G.; Strom, D.; Venkataramania, H.; Wicklund, E.; Wu, Sau Lan; Zobernig, G.

In: Physics Letters B, Vol. 138, No. 1-3, 12.04.1984, p. 219-224.

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

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, M, 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 B, vol. 138, no. 1-3, pp. 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, M. ; 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 B. 1984 ; Vol. 138, No. 1-3. pp. 219-224.

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title = "Observation of hard processes in collisions of two quasi-real photons",

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.",

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

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doi = "10.1016/0370-2693(84)91904-X",

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journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",

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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, M.

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 -