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HIGH PT HADRON-PRODUCTION IN PHOTON-PHOTON COLLISIONS

Abstract:

We have studied the properties of hadron production in photon-photon scattering with tagged photons at the e+e- storage ring PETRA. A tail in the pT distribution of particles consistent with pT-4 has been observed. We show that this tail cannot be due to the hadronic part of the photon. Selected events with high pT particles are found to be consistent with a two-jet structure as expected from a point-like coupling of the photons to quarks. The lowest-order cross section predicted for γγ → qq,...

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Publication status:
Published

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Publisher copy:
10.1016/0370-2693(81)90833-9

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Journal:
Physics Letters B More from this journal
Volume:
107
Issue:
4
Pages:
290-296
Publication date:
1981-01-01
DOI:
ISSN:
0370-2693
Language:
English
Pubs id:
pubs:27117
UUID:
uuid:290be2c9-2f2a-40a2-9f1f-9fd8180241fb
Local pid:
pubs:27117
Source identifiers:
27117
Deposit date:
2012-12-19

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