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(Quasi)elastic electron--muon large-angle scattering to a two-loop approximation: vertex contributions
High Energy Physics - Phenomenology · Submitted 14 Mar 2002
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim One of them, so called vertex contribution, is given in logarithmic approximation.
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The abstract, sentence by sentence
We consider a process of quasielastic $e\mu$ large-angle scattering at high energies with radiative corrections up to a two-loop level. A lowest order radiative correction arising both from one-loop virtual photon emission and a real soft emission are presented to a power accuracy. Two-loop level corrections are supposed to be of three gauge-invariant classes. One of them, so called vertex contribution, is given in logarithmic approximation. Relation with the renormalization group approach is discussed.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | We consider a process of quasielastic $e\mu$ large-angle scattering at high energies with radiative corrections up to a two-loop level. | contribution 0.89 | 0.83 | 0.09 | asserted 0.95 |
| s1 | A lowest order radiative correction arising both from one-loop virtual photon emission and a real soft emission are presented to a power accuracy. | result 0.67 | 0.89 | 0.11 | asserted 1.00 |
| s2 | Two-loop level corrections are supposed to be of three gauge-invariant classes. | background 0.42 | 0.30 | 0.11 | hedged possibility 0.58 |
| s3 | One of them, so called vertex contribution, is given in logarithmic approximation. | contribution 0.70 | 0.85 | 0.24 | asserted 1.00 |
| s4 | Relation with the renormalization group approach is discussed. | interpretation 0.62 | 0.61 | 0.06 | asserted 0.75 |
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The paper
Original abstract
We consider a process of quasielastic $e\mu$ large-angle scattering at high energies with radiative corrections up to a two-loop level. A lowest order radiative correction arising both from one-loop virtual photon emission and a real soft emission are presented to a power accuracy. Two-loop level corrections are supposed to be of three gauge-invariant classes. One of them, so called vertex contribution, is given in logarithmic approximation. Relation with the renormalization group approach is discussed.
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