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Limits on quark compositeness from high energy jets in p̄p collisions at 1.8 TeV

Abstract:
Events in p̄p collisions at √s= 1.8 TeV with total transverse energy exceeding 500 GeV are used to set limits on quark substructure. The data are consistent with next-to-leading order QCD calculations. We set a lower limit of 2.0 TeV at 95% confidence on the energy scale ΛLL for compositeness in quarks, assuming a model with a left-left isoscalar contact interaction term. The limits on ΛLL are found to be insensitive to the sign of the interference term in the Lagrangian. ©2000 The American Physical Society.

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Authors


Abolins, M More by this author
Abramov, V More by this author
Acharya, BS More by this author
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Journal:
Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume:
62
Issue:
3
Pages:
1-6
Publication date:
2000-08-01
ISSN:
0556-2821
URN:
uuid:100c69d3-41ee-4870-8ecd-c6d3f80c42f8
Source identifiers:
147774
Local pid:
pubs:147774
Language:
English

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