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Title: Soft Expansion of Double-Real-Virtual Corrections to Higgs Production at N$^3$LO

Abstract

We present methods to compute higher orders in the threshold expansion for the one-loop production of a Higgs boson in association with two partons at hadron colliders. This process contributes to the N 3LO Higgs production cross section beyond the soft-virtual approximation. We use reverse unitarity to expand the phase-space integrals in the small kinematic parameters and to reduce the coefficients of the expansion to a small set of master integrals. We describe two methods for the calculation of the master integrals. The first was introduced for the calculation of the soft triple-real radiation relevant to N 3LO Higgs production. The second uses a particular factorization of the three body phase-space measure and the knowledge of the scaling properties of the integral itself. Our result is presented as a Laurent expansion in the dimensional regulator, although some of the master integrals are computed to all orders in this parameter.

Authors:
 [1];  [2];  [1];  [3];  [4];  [1]
  1. ETH Zurich (Switzerland). Inst. for Theoretical Physics
  2. CERN Theory Div., Geneva (Switzerland); Univ. Catholique de Louvain, Louvain-la-Neuve (Belgium). Center for Cosmology
  3. Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
  4. NIKHEF, Amsterdam (Netherlands)
Publication Date:
Research Org.:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP)
OSTI Identifier:
1212724
Report Number(s):
FERMILAB-PUB-15-089-T; NIKHEF-2015-016; CERN-PH-TH-2015-092
Journal ID: ISSN 1029-8479; arXiv eprint number arXiv:1505.04110
Grant/Contract Number:  
AC02-07CH11359
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Journal of High Energy Physics (Online)
Additional Journal Information:
Journal Volume: 2015; Journal Issue: 8; Journal ID: ISSN 1029-8479
Publisher:
Springer Berlin
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Anastasiou, Charalampos, Duhr, Claude, Dulat, Falko, Furlan, Elisabetta, Herzog, Franz, and Mistlberger, Bernhard. Soft Expansion of Double-Real-Virtual Corrections to Higgs Production at N$^3$LO. United States: N. p., 2015. Web. doi:10.1007/JHEP08(2015)051.
Anastasiou, Charalampos, Duhr, Claude, Dulat, Falko, Furlan, Elisabetta, Herzog, Franz, & Mistlberger, Bernhard. Soft Expansion of Double-Real-Virtual Corrections to Higgs Production at N$^3$LO. United States. doi:10.1007/JHEP08(2015)051.
Anastasiou, Charalampos, Duhr, Claude, Dulat, Falko, Furlan, Elisabetta, Herzog, Franz, and Mistlberger, Bernhard. Fri . "Soft Expansion of Double-Real-Virtual Corrections to Higgs Production at N$^3$LO". United States. doi:10.1007/JHEP08(2015)051. https://www.osti.gov/servlets/purl/1212724.
@article{osti_1212724,
title = {Soft Expansion of Double-Real-Virtual Corrections to Higgs Production at N$^3$LO},
author = {Anastasiou, Charalampos and Duhr, Claude and Dulat, Falko and Furlan, Elisabetta and Herzog, Franz and Mistlberger, Bernhard},
abstractNote = {We present methods to compute higher orders in the threshold expansion for the one-loop production of a Higgs boson in association with two partons at hadron colliders. This process contributes to the N3LO Higgs production cross section beyond the soft-virtual approximation. We use reverse unitarity to expand the phase-space integrals in the small kinematic parameters and to reduce the coefficients of the expansion to a small set of master integrals. We describe two methods for the calculation of the master integrals. The first was introduced for the calculation of the soft triple-real radiation relevant to N3LO Higgs production. The second uses a particular factorization of the three body phase-space measure and the knowledge of the scaling properties of the integral itself. Our result is presented as a Laurent expansion in the dimensional regulator, although some of the master integrals are computed to all orders in this parameter.},
doi = {10.1007/JHEP08(2015)051},
journal = {Journal of High Energy Physics (Online)},
issn = {1029-8479},
number = 8,
volume = 2015,
place = {United States},
year = {2015},
month = {5}
}

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Free Publicly Available Full Text
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Cited by: 8 works
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