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Effective theory calculation of resonant high-energy scattering

Abstract:

Tests of the standard model and its hypothetical extensions require precise theoretical predictions for processes involving massive, unstable particles. It is well-known that ordinary weak-coupling perturbation theory breaks down due to intermediate singular propagators. Various pragmatic approaches have been developed to deal with this difficulty. In this paper we construct an effective field theory for resonant processes utilizing the hierarchy of scales between the mass of the unstable par...

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Publication status:
Published

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Theoretical Physics
Role:
Author
Journal:
Nucl.Phys. B
Volume:
686
Issue:
1-2
Pages:
205-247
Publication date:
2004-01-05
DOI:
ISSN:
0550-3213
URN:
uuid:b8fc9cfe-cc06-4a8b-8406-cc2c0b5fb452
Source identifiers:
11156
Local pid:
pubs:11156
Language:
English
Keywords:

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