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BlackHat

swMATH ID: 10450
Software Authors: C. F. Berger, Z. Bern, L. J. Dixon, F. Febres Cordero, D. Forde, H. Ita, D. A. Kosower, D. Maître
Description: Automated implementation of on-shell methods for one-loop amplitudes. We present the first results from BlackHat, an automated C++ program for calculating one-loop amplitudes. The program implements the unitarity method and on-shell recursion to construct amplitudes. As input to the calculation, it uses compact analytic formulæ for tree amplitudes for four-dimensional helicity states. The program performs all related computations numerically. We make use of recently developed on-shell methods for evaluating coefficients of loop integrals, introducing a discrete Fourier projection as a means of improving efficiency and numerical stability. We illustrate the numerical stability of our approach by computing and analyzing six-, seven-, and eight-gluon amplitudes in QCD and comparing against previously obtained analytic results.
Homepage: http://arxiv.org/abs/arxiv:0807.3705
Related Software: CutTools; SAMURAI; Golem95; GoSam; HELAC-1LOOP; PHEGAS; NGluon; MadFKS; LoopTools; SHERPA; WHIZARD; HELAC; AutoDipole; MadGraph; FormCalc; ALPGEN; FeynArts; CompHep; MC@NLO; FORM
Referenced in: 73 Publications
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Referenced by 138 Authors

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6 Bourjaily, Jacob L.
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4 Pittau, Roberto
3 Arkani-Hamed, Nima
3 Bjerrum-Bohr, Niels Emil Jannik
3 Cachazo, Freddy
3 Denner, Ansgar
3 Dittmaier, Stefan
3 Dixon, Lance J.
3 Frederix, Rikkert
3 Frellesvig, Hjalte
3 Greiner, Nicolas
3 Ita, Harald
3 Mirabella, Edoardo
3 Oleari, Carlo
3 Ossola, Giovanni
3 Trnka, Jaroslav
3 Zhang, Yang
2 Alioli, Simone
2 Bailey, David Harold
2 Bern, Zvi
2 Binoth, T.
2 Borwein, Jonathan Michael
2 Britto, Ruth
2 Bullimore, Mathew Richard
2 Gehrmann, Thomas
2 Giele, Walter T.
2 Guillet, J.-Ph.
2 Herrmann, Enrico
2 Hirschi, Valentin
2 Johansson, Henrik
2 Kaplan, Jared
2 Langer, Cameron K.
2 Maître, Daniel
2 Maltoni, Fabio
2 Nason, Paolo
2 Nigel Glover, E. W.
2 Pozzorini, Stefano
2 Re, Emanuele
2 Roiban, Radu
2 Søgaard, Mads
2 Tramontano, Francesco
2 Vanhove, Pierre
2 Winter, Jan-Christopher
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1 Alwall, Johan
1 Anastasiou, Charalampos
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1 Biedermann, B.
1 Boels, Rutger H.
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1 Boughezal, Radja
1 Bredenstein, A.
1 Brønnum-Hansen, Christian
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1 Caron-Huot, Simon
1 Carrasco, John Joseph M.
1 Cheung, Clifford
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1 Damgaard, Poul Henrik
1 de Doncker, Elise
1 De Laurentis, Giuseppe
1 Dissertori, Günther
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1 Donoghue, John F.
1 Dormans, J.
1 Dubovsky, Sergei L.
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1 Dunbar, David C.
1 Ettle, James H.
1 Febres Cordero, F.
1 Franco, Sebastián
1 Freitas, Ayres
1 Frixione, Stefano
1 Fujimoto, Junpei
1 Gehrmann-De Ridder, Aude
1 Gerwick, Erik
1 Gleisberg, Tanju
1 Hamaguchi, Naoki
1 Hartanto, Heribertus Bayu
1 Henn, Johannes M.
1 Herzog, Franz
1 Höche, Stefan
1 Holstein, Barry R.
1 Huang, Yicheng
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