Direct evidence for the emergence of jets in events triggered on large transverse energy in pp collisions at s = 63 GeV
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Direct evidence for the emergence of jets in events triggered on large transverse energy in pp collisions at s = 63 GeV

T. Åkesson,M.G. Albrow,S. Almehed,R. Batley,O. Benary,H. Bøggild,O. Botner,H. Brody,V. Burkert,A. Di Ciaccio,D. Cockerill,S. Dagan,E. Dahl-Jensen,G. Damgaard,W.M. Evans,C.W. Fabjan,P. Frandsen,S. Frankel,W. Frati,H. Gordon,A. Hallgren,K.H. Hansen,B. Heck,H.J. Hilke,J.E. Hooper,G. Jarlskog,P. Jeffreys,T. Jensen,G. Kesseler,T. Killian,J.V.D. Lans,D. Lissauer,B. Lörstad,T. Ludlam,N.A. McCubbin,U. Mjornmark,R. Møller,W. Molzon,B.S. Nielsen,A. Nilsson,L.H. Olsen,Y. Oren,L. Rosselet,E. Rosso,R.H. Schindler,B. Schistad,I. Stumer,E. Vella,W.J. Willis,M. Winik,W. Witzeling,C. Woody,I. Dahl-Jensen;T. Åkesson;M.G. Albrow;S. Almehed;R. Batley;O. Benary;H. Bøggild;O. Botner;H. Brody;V. Burkert;A. Di Ciaccio;D. Cockerill;S. Dagan;E. Dahl-Jensen;G. Damgaard;W.M. Evans;C.W. Fabjan;P. Frandsen;S. Frankel;W. Frati;H. Gordon;A. Hallgren;K.H. Hansen;B. Heck;H.J. Hilke;J.E. Hooper;G. Jarlskog;P. Jeffreys;T. Jensen;G. Kesseler;T. Killian;J.V.D. Lans;D. Lissauer;B. Lörstad;T. Ludlam;N.A. McCubbin;U. Mjornmark;R. Møller;W. Molzon;B.S. Nielsen;A. Nilsson;L.H. Olsen;Y. Oren;L. Rosselet;E. Rosso;R.H. Schindler;B. Schistad;I. Stumer;E. Vella;W.J. Willis;M. Winik;W. Witzeling;C. Woody;I. Dahl-Jensen;
physics letters b 1982 Vol. 118 pp. 185-192
141
dahl-jensen1982physicsdirect

Abstract

We present data obtained from a 1.7 sr hadron calorimeter, triggered on transverse energy, in pp collisions at at the CERN-ISR. From the change in the distribution of energy in the calorimeter, we extract the cross section for two-constituent hard scattering for pT between 6 and 14 GeV at y = 0. The decrease of this jet cross section over this pT range is consistent with exp (−bpT), with b = (1.02 ± 0.09) GeV−1. The slope and normalization of the cross section agree well with a QCD motivated Monte Carlo model. The ratio between jet and single particle cross sections [dσJET/dpT)/(dσπ0/dpT)]| y = 0 changes from about 200 at 6 GeV to about 1500 at 14 GeV.

Keywords

Monte Carlo cross section particle physics

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DOI:
10.1016/0370-2693(82)90626-8
URL:
https://sciprofiles.com/publication/view/773b683e9...

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