Built on

A. Cafarella, C. G. Papadopoulos and M. Worek, Comput. Phys. Commun. 180 (2009) 1941,
Original
1941
Earlier work this paper cites.
A. Cafarella, C. G. Papadopoulos, M. Worek, Helac-Phegas: a generator for all parton level processes, Comput. Phys. Commun. 180 (2009) 1941, arXiv:0710.2427
Original
1941
Earlier work this paper cites.
R. Pittau, Testing and improving the numerical accuracy of the NLO predictions, Comput. Phys. Commun. 181 (2010) 1941, arXiv:1006.3773
Original
1941
Earlier work this paper cites.
F. A. Berends, W. T. Giele, Recursive Calculations for Processes with n Gluons, Nucl. Phys. B306 (1988) 759
1988
Earlier work this paper cites.
A. Kanaki and C. G. Papadopoulos, Comput. Phys. Commun. 132 (2000) 306,
2000
Earlier work this paper cites.
A. Kanaki, C. G. Papadopoulos, HELAC: A package to compute electroweak helicity amplitudes, Comput. Phys. Commun. 132 (2000) 306, arXiv:hep-ph/0002082
2000
Earlier work this paper cites.
C. G. Papadopoulos, Comput. Phys. Commun. 137 (2001) 247,
2001
Earlier work this paper cites.
C. G. Papadopoulos, PHEGAS: A phase space generator for automatic cross- section computation, Comput. Phys. Commun. 137 (2001) 247, arXiv:hep-ph/0007335
2001
Earlier work this paper cites.
S. Catani, S. Dittmaier, M. H. Seymour, Z. Trocsanyi, The dipole formalism for next-to-leading order QCD calculations with massive partons, Nucl. Phys. B627 (2002) 189, arXiv:hep-ph/0201036
2002
Earlier work this paper cites.
S. Frixione, B. R. Webber, Matching NLO QCD computations and parton shower simulations, JHEP 06 (2002) 029, arXiv:hep-ph/0204244
2002
Earlier work this paper cites.
P. Nason, A new method for combining NLO QCD with shower Monte Carlo algorithms, JHEP 11 (2004) 040, arXiv:hep-ph/0409146
2004
Earlier work this paper cites.
G. Ossola, C. G. Papadopoulos and R. Pittau, Nucl. Phys. B763 (2007) 147,
2007
Earlier work this paper cites.
G. Ossola, C. G. Papadopoulos, R. Pittau, Reducing full one-loop amplitudes to scalar integrals at the integrand level, Nucl. Phys. B763 (2007) 147, arXiv:hep-ph/0609007
2007
Earlier work this paper cites.
G. Ossola, C. G. Papadopoulos, R. Pittau, Numerical Evaluation of Six-Photon Amplitudes, JHEP 07 (2007) 085, arXiv:0704.1271
Original
2007
Earlier work this paper cites.
A. Lazopoulos, K. Melnikov, F. Petriello, QCD corrections to tri-boson production, Phys. Rev. D76 (2007) 014001, arXiv:hep-ph/0703273
2007
Earlier work this paper cites.
J. Alwall, et al., A standard format for Les Houches event files, Comput. Phys. Commun. 176 (2007) 300, arXiv:hep-ph/0609017
2007
Earlier work this paper cites.

Similar

G. Ossola, C. G. Papadopoulos and R. Pittau, JHEP 0803 (2008) 042,
Original
2008
Cited alongside, same era.
C. F. Berger, et al., An Automated Implementation of On-Shell Methods for One-Loop Amplitudes, Phys. Rev. D78 (2008) 036003, arXiv:0803.4180
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2008
Cited alongside, same era.
G. Ossola, C. G. Papadopoulos, R. Pittau, CutTools: a program implementing the OPP reduction method to compute one-loop amplitudes, JHEP 03 (2008) 042, arXiv:0711.3596
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2008
Cited alongside, same era.
G. Ossola, C. G. Papadopoulos, R. Pittau, On the Rational Terms of the one-loop amplitudes, JHEP 05 (2008) 004, arXiv:0802.1876
Original
2008
Cited alongside, same era.
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Then

G. Bevilacqua, M. Czakon, C. G. Papadopoulos, M. Worek, Dominant QCD Backgrounds in Higgs Boson Analyses at the LHC: A Study of pp -> t anti-t + 2 jets at Next-To-Leading Order, Phys. Rev. Lett. 104 (2010) 162002, arXiv:1002.4009
Original
2010
Later among the works it cites.
K. Melnikov, M. Schulze, NLO QCD corrections to top quark pair production in association with one hard jet at hadron colliders, Nucl. Phys. B840 (2010) 129, arXiv:1004.3284
Original
2010
Later among the works it cites.
A. Bredenstein, A. Denner, S. Dittmaier, S. Pozzorini, NLO QCD corrections to top anti-top bottom anti-bottom production at the LHC: 2. full hadronic results, JHEP 03 (2010) 021, arXiv:1001.4006
Original
2010
Later among the works it cites.
G. P. Salam, Perturbative QCD for the LHC, PoS ICHEP2010 (2010) 556, arXiv:1103.1318
Original
2010
Later among the works it cites.

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2011

Helac-nlo

Bevilacqua, G., Czakon, M., Garzelli, M. V. et al.

Understand

Based on the OPP technique and the HELAC framework, HELAC-1LOOP is a program that is capable of numerically evaluating QCD virtual corrections to scattering amplitudes.

A detailed presentation of the algorithm is given, along with instructions to run the code and benchmark results.
The program is part of the HELAC-NLO framework that allows for a complete evaluation of QCD NLO corrections.

Built on

A. Cafarella, C. G. Papadopoulos and M. Worek, Comput. Phys. Commun. 180 (2009) 1941,
Original
1941
Earlier work this paper cites.
A. Cafarella, C. G. Papadopoulos, M. Worek, Helac-Phegas: a generator for all parton level processes, Comput. Phys. Commun. 180 (2009) 1941, arXiv:0710.2427
Original
1941
Earlier work this paper cites.
R. Pittau, Testing and improving the numerical accuracy of the NLO predictions, Comput. Phys. Commun. 181 (2010) 1941, arXiv:1006.3773
Original
1941
Earlier work this paper cites.
F. A. Berends, W. T. Giele, Recursive Calculations for Processes with n Gluons, Nucl. Phys. B306 (1988) 759
1988
Earlier work this paper cites.
A. Kanaki and C. G. Papadopoulos, Comput. Phys. Commun. 132 (2000) 306,
2000
Earlier work this paper cites.
A. Kanaki, C. G. Papadopoulos, HELAC: A package to compute electroweak helicity amplitudes, Comput. Phys. Commun. 132 (2000) 306, arXiv:hep-ph/0002082
2000
Earlier work this paper cites.
C. G. Papadopoulos, Comput. Phys. Commun. 137 (2001) 247,
2001
Earlier work this paper cites.
C. G. Papadopoulos, PHEGAS: A phase space generator for automatic cross- section computation, Comput. Phys. Commun. 137 (2001) 247, arXiv:hep-ph/0007335
2001
Earlier work this paper cites.
S. Catani, S. Dittmaier, M. H. Seymour, Z. Trocsanyi, The dipole formalism for next-to-leading order QCD calculations with massive partons, Nucl. Phys. B627 (2002) 189, arXiv:hep-ph/0201036
2002
Earlier work this paper cites.
S. Frixione, B. R. Webber, Matching NLO QCD computations and parton shower simulations, JHEP 06 (2002) 029, arXiv:hep-ph/0204244
2002
Earlier work this paper cites.
P. Nason, A new method for combining NLO QCD with shower Monte Carlo algorithms, JHEP 11 (2004) 040, arXiv:hep-ph/0409146
2004
Earlier work this paper cites.
G. Ossola, C. G. Papadopoulos and R. Pittau, Nucl. Phys. B763 (2007) 147,
2007
Earlier work this paper cites.
G. Ossola, C. G. Papadopoulos, R. Pittau, Reducing full one-loop amplitudes to scalar integrals at the integrand level, Nucl. Phys. B763 (2007) 147, arXiv:hep-ph/0609007
2007
Earlier work this paper cites.
G. Ossola, C. G. Papadopoulos, R. Pittau, Numerical Evaluation of Six-Photon Amplitudes, JHEP 07 (2007) 085, arXiv:0704.1271
Original
2007
Earlier work this paper cites.
A. Lazopoulos, K. Melnikov, F. Petriello, QCD corrections to tri-boson production, Phys. Rev. D76 (2007) 014001, arXiv:hep-ph/0703273
2007
Earlier work this paper cites.
J. Alwall, et al., A standard format for Les Houches event files, Comput. Phys. Commun. 176 (2007) 300, arXiv:hep-ph/0609017
2007
Earlier work this paper cites.