One-loop weak corrections to the bb̄ cross section at TeV energy hadron colliders
One-loop weak corrections to the bb̄ cross section at TeV energy hadron colliders
We investigate one-loop weak corrections to the production cross section of two b-jets at Tevatron and Large Hadron Collider (LHC). We establish that they are small at inclusive level but dominant in exclusive observables that have a non-trivial dependence on the helicity structure of the hard subprocesses. Such effects can serve as a test of the Standard Model (SM) and, conversely, they should be taken into account in future experimental analyses aiming at extracting possible signals of new physics.
electro-weak effects, loop calculations, bottom quarks, hadron colliders
205-214
Maina, E.
1405095b-0ff6-40e7-8be6-96cc78f746d4
Moretti, S.
b57cf0f0-4bc3-4e02-96e3-071255366614
Nolten, M.R.
4f2ad5b9-777d-4337-ab8c-0de1605b4ea2
Ross, D.A.
eb79bbfe-fb97-4bb3-813c-98f278e5a55f
25 September 2003
Maina, E.
1405095b-0ff6-40e7-8be6-96cc78f746d4
Moretti, S.
b57cf0f0-4bc3-4e02-96e3-071255366614
Nolten, M.R.
4f2ad5b9-777d-4337-ab8c-0de1605b4ea2
Ross, D.A.
eb79bbfe-fb97-4bb3-813c-98f278e5a55f
Maina, E., Moretti, S., Nolten, M.R. and Ross, D.A.
(2003)
One-loop weak corrections to the bb̄ cross section at TeV energy hadron colliders.
Physics Letters B, 570 (3-4), .
(doi:10.1016/j.physletb.2003.07.057).
Abstract
We investigate one-loop weak corrections to the production cross section of two b-jets at Tevatron and Large Hadron Collider (LHC). We establish that they are small at inclusive level but dominant in exclusive observables that have a non-trivial dependence on the helicity structure of the hard subprocesses. Such effects can serve as a test of the Standard Model (SM) and, conversely, they should be taken into account in future experimental analyses aiming at extracting possible signals of new physics.
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Published date: 25 September 2003
Keywords:
electro-weak effects, loop calculations, bottom quarks, hadron colliders
Organisations:
Physics & Astronomy, Theory Group
Identifiers
Local EPrints ID: 37996
URI: http://eprints.soton.ac.uk/id/eprint/37996
ISSN: 0370-2693
PURE UUID: 42267af4-3eef-4288-b8a7-d58e57b63071
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Date deposited: 30 May 2006
Last modified: 16 Mar 2024 03:34
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Author:
E. Maina
Author:
M.R. Nolten
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