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Manuscript Title: HAWK 2.0: A Monte Carlo program for Higgs production in vector-boson fusion and Higgs strahlung at hadron colliders
Authors: Ansgar Denner, Stefan Dittmaier, Stefan Kallweit, Alexander Mück
Program title: HAWK, version 2.0
Catalogue identifier: AEWT_v1_0
Distribution format: tar.gz
Journal reference: Comput. Phys. Commun. 195(2015)161
Programming language: Fortran 77, Fortran 90.
Computer: Any computer with a Fortran 90 compiler.
Operating system: Linux, Mac OS.
RAM: Less than 1 GB
Keywords: Higgs physics, Radiative corrections, Monte Carlo integration.
Classification: 4.4, 11.1, 11.2.

External routines: HAPDF (https://www.hepforge.org/downloads/lhapdf).

Nature of problem:
Precision calculation of cross sections and differential distributions for Higgs-boson production in vector-boson fusion and Higgs strahlung at the LHC as described in Refs. [1-3].

Solution method:
Multi-channel Monte Carlo integration of perturbative matrix elements including higher-order QCD and electroweak corrections which are based on a Feynman-diagrammatic calculation.

Restrictions:
For vector-boson fusion, only the Higgs-boson decay into a pair of massless singlets is supported. For Higgs strahlung, decay products are not supported, while the Higgs boson can be off shell.

Running time:
Meaningful results can be obtained within a few hours on a single core. The statistical uncertainty of the results typically improves with the square root of the run time.

References:
[1] M. Ciccolini, A. Denner, S. Dittmaier, Phys. Rev. Lett. 99 (2007) 161803 [arXiv:0707.0381 [hep-ph]].
[2] M. Ciccolini, A. Denner, S. Dittmaier, Phys. Rev. D77 [arXiv:0710.4749 [hep-ph]]. (2008) 013002
[3] A. Denner, S. Dittmaier, S. Kallweit and A. Mück, JHEP 1203 (2012) 075 [arXiv:1112.5142 [hep-ph]].