Practical improvements and merging of POWHEG simulations for vector boson production

Journal of High Energy Physics

Volumn 2011, Issue 9, 2011, Pages

  Alioli, Simone ^a   Hamilton, Keith ^b   Re, Emanuele ^c  

^a DESY   (Germany)

^b UNIVERSITY OF MILANO BICOCCA   (Italy)

^c DURHAM UNIVERSITY   (United Kingdom)

Author keywords

Hadronic colliders; Jets; Phenomenological models

Indexed keywords

EID: 85007036310     PISSN: 11266708     EISSN: 10298479     Source Type: Journal    
DOI: 10.1007/JHEP09(2011)104     Document Type: Article

References (54)

1. S. Catani, F. Krauss, R. Kuhn and B.R. Webber, QCD matrix elements + parton showers, JHEP 11 (2001) 063 [hep-ph/0109231] [SPIRES].
2. M.L. Mangano, M. Moretti and R. Pittau, Multijet matrix elements and shower evolution in hadronic collisions: Wb(Formula Present) + n jets as a case study, Nucl. Phys. B 632 (2002) 343 [hep-ph/0108069] [SPIRES].
3. L. Lönnblad, Correcting the colour-dipole cascade model with fixed order matrix elements, JHEP 05 (2002) 046 [hep-ph/0112284] [SPIRES].
4. F. Krauss, Matrix elements and parton showers in hadronic interactions, JHEP 08 (2002) 015 [hep-ph/0205283] [SPIRES].
5. S. Mrenna and P. Richardson, Matching matrix elements and parton showers with HERWIG and PYTHIA, JHEP 05 (2004) 040 [hep-ph/0312274] [SPIRES].
6. S. Frixione and B.R. Webber, Matching NLO QCD computations and parton shower simulations, JHEP 06 (2002) 029 [hep-ph/0204244] [SPIRES].
7. P. Nason, A new method for combining NLO QCD with shower Monte Carlo algorithms, JHEP 11 (2004) 040 [hep-ph/0409146] [SPIRES].
8. S. Frixione, P. Nason and C. Oleari, Matching NLO QCD computations with parton shower simulations: the Powheg method, JHEP 11 (2007) 070 [arXiv:0709.2092] [SPIRES].
9. S. Alioli, P. Nason, C. Oleari and E. Re, A general framework for implementing NLO calculations in shower Monte Carlo programs: the Powheg BOX, JHEP 06 (2010) 043 [arXiv:1002.2581] [SPIRES].
10. S. Hoche, F. Krauss, M. Schonherr and F. Siegert, Automating the Powheg method in Sherpa, JHEP 04 (2011) 024 [arXiv:1008.5399] [SPIRES].
11. R. Frederix et al., Scalar and pseudoscalar Higgs production in association with a top-antitop pair, Phys. Lett. B 701 (2011) 427 [arXiv:1104.5613] [SPIRES].
12. R. Frederix et al., W and Z=γ* boson production in association with a bottom-antibottom pair, JHEP 09 (2011) 061 [arXiv:1106.6019] [SPIRES].
13. S. Alioli, K. Hamilton, P. Nason, C. Oleari and E. Re, Jet pair production in Powheg, JHEP 04 (2011) 081 [arXiv:1012.3380] [SPIRES].
14. S. Alioli, P. Nason, C. Oleari and E. Re, Vector boson plus one jet production in Powheg, JHEP 01 (2011) 095 [arXiv:1009.5594] [SPIRES].
15. A. Kardos, C. Papadopoulos and Z. Trócsányi, Top quark pair production in association with a jet with NLO parton showering, arXiv:1101.2672 [SPIRES].
16. T. Melia, P. Nason, R. Rontsch and G. Zanderighi, W+W+ plus dijet production in the Powheg BOX, Eur. Phys. J. C 71 (2011) 1670 [arXiv:1102.4846] [SPIRES].
17. C. Oleari and L. Reina, Wbb production in Powheg, arXiv:1105.4488 [SPIRES].
18. Z. Nagy and D.E. Soper, Matching parton showers to NLO computations, JHEP 10 (2005) 024 [hep-ph/0503053] [SPIRES].
19. W.T. Giele, D.A. Kosower and P.Z. Skands, A simple shower and matching algorithm, Phys. Rev. D 78 (2008) 014026 [arXiv:0707.3652] [SPIRES].
20. N. Lavesson and L. Lönnblad, Extending CKKW-merging to one-loop matrix elements, JHEP 12 (2008) 070 [arXiv:0811.2912] [SPIRES].
21. C.W. Bauer, F.J. Tackmann and J. Thaler, GenEvA. I. A new framework for event generation, JHEP 12 (2008) 010 [arXiv:0801.4026] [SPIRES].
22. C.W. Bauer, F.J. Tackmann and J. Thaler, GenEvA (II): a phase space generator from a reweighted parton shower, JHEP 12 (2008) 011 [arXiv:0801.4028] [SPIRES].
23. W.T. Giele, D.A. Kosower and P.Z. Skands, Higher-order corrections to timelike jets, arXiv:1102.2126 [SPIRES].
24. K. Hamilton and P. Nason, Improving NLO-parton shower matched simulations with higher order matrix elements, JHEP 06 (2010) 039 [arXiv:1004.1764] [SPIRES].
25. S. Hoche, F. Krauss, M. Schonherr and F. Siegert, NLO matrix elements and truncated showers, JHEP 08 (2011) 123 [arXiv:1009.1127] [SPIRES].
26. P. Nason and G. Ridolf, A positive-weight next-to-leading-order Monte Carlo for Z pair hadroproduction, JHEP 08 (2006) 077 [hep-ph/0606275] [SPIRES].
27. J. Pumplin et al., New generation of parton distributions with uncertainties from global QCD analysis, JHEP 07 (2002) 012 [hep-ph/0201195] [SPIRES].
28. M. R. Whalley, D. Bourilkov and R.C. Group The Les Houches Accord PDFs (LHAPDF) and Lhaglue, hep-ph/0508110 [SPIRES].
29. A. Buckley et al., Rivet user manual, arXiv:1003.0694 [SPIRES].
30. t jet-finder, Phys. Lett. B 641 (2006) 57 [hep-ph/0512210] [SPIRES].
31. R. Corke and T. Sjöstrand, Improved parton showers at large transverse momenta, Eur. Phys. J. C 69 (2010) 1 [arXiv:1003.2384] [SPIRES].
32. R. Corke and T. Sjöstrand, Interleaved parton showers and tuning prospects, JHEP 03 (2011) 032 [arXiv:1011.1759] [SPIRES].
33. R. Corke and T. Sjöstrand, Multiparton interactions with an x-dependent proton size, JHEP 05 (2011) 009 [arXiv:1101.5953] [SPIRES].
34. M.H. Seymour, A simple prescription for _rst order corrections to quark scattering and annihilation processes, Nucl. Phys. B 436 (1995) 443 [hep-ph/9410244] [SPIRES].
35. M.H. Seymour, Matrix element corrections to parton shower algorithms, Comp. Phys. Commun. 90 (1995) 95 [hep-ph/9410414] [SPIRES].
36. G. Miu and T. Sjöstrand, W production in an improved parton shower approach, Phys. Lett. B 449 (1999) 313 [hep-ph/9812455] [SPIRES].
37. G. Corcella and M.H. Seymour, Initial state radiation in simulations of vector boson production at hadron colliders, Nucl. Phys. B 565 (2000) 227 [hep-ph/9908388] [SPIRES].
38. G. Bozzi, S. Catani, G. Ferrera, D. de Florian and M. Grazzini, Production of Drell-Yan lepton pairs in hadron collisions: transverse-momentum resummation at next-to-next-to-leading logarithmic accuracy, Phys. Lett. B 696 (2011) 207 [arXiv:1007.2351] [SPIRES].
39. M. Rubin, G.P. Salam and S. Sapeta, Giant QCD K-factors beyond NLO, JHEP 09 (2010) 084 [arXiv:1006.2144] [SPIRES].
40. K. Hamilton, P. Richardson and J. Tully, A positive-weight next-to-leading order Monte Carlo simulation of Drell-Yan vector boson production, JHEP 10 (2008) 015 [arXiv:0806.0290] [SPIRES].
41. K. Hamilton, P. Richardson and J. Tully, A positive-weight next-to-leading order Monte Carlo simulation for Higgs boson production, JHEP 04 (2009) 116 [arXiv:0903.4345] [SPIRES].
42. K. Hamilton, A positive-weight next-to-leading order simulation of weak boson pair production, JHEP 01 (2011) 009 [arXiv:1009.5391] [SPIRES].
43. K. Hamilton, P. Richardson and J. Tully, A modified CKKW matrix element merging approach to angular-ordered parton showers, JHEP 11 (2009) 038 [arXiv:0905.3072] [SPIRES].
44. R.K. Ellis and S. Veseli, W and Z transverse momentum distributions: resummation in qT space, Nucl. Phys. B 511 (1998) 649 [hep-ph/9706526] [SPIRES].
45. Y.L. Dokshitzer, D. Diakonov and S.I. Troian, Hard processes in quantum chromodynamics, Phys. Rept. 58 (1980) 269 [SPIRES].
46. P. Nason, MINT: a computer program for adaptive Monte Carlo integration and generation of unweighted distributions, arXiv:0709.2085 [SPIRES].
47. M. Dobbs and J.B. Hansen, The HepMC C++ Monte Carlo event record for high energy physics, Comput. Phys. Commun. 134 (2001) 41 [SPIRES].
48. - pairs in the Z mass region from p(Formula Present) collisions at (Formula Present) = 1:96TeV, Phys. Lett. B 692 (2010) 232 [arXiv:0908.3914] [SPIRES].
49. DØ collaboration, V.M. Abazov et al., Precise study of the Z/γ* boson transverse momentum distribution in ppbar collisions using a novel technique, Phys. Rev. Lett. 106 (2011) 122001 [arXiv:1010.0262] [SPIRES].
50. DØ collaboration, B. Abbott et al., Differential cross-section for W boson production as a function of transverse momentum in p(Formula Present) collisions at (Formula Present)= 1:8TeV, Phys. Lett. B 513 (2001) 292 [hep-ex/0010026] [SPIRES].
51. - transverse momentum distribution in p(Formula Present) collisions at (Formula Present) = 1:96TeV, Phys. Lett. B 693 (2010) 522 [arXiv:1006.0618] [SPIRES].
52. -) + jets production in p(Formula Present) collisions at (Formula Present)= 1:96TeV, Phys. Rev. Lett. 100 (2008) 102001 [arXiv:0711.3717] [SPIRES].
53. DØ collaboration, V.M. Abazov et al., Measurement of Z/γ* + jet + X angular distributions in p(Formula Present) collisions at (Formula Present) = 1:96TeV, Phys. Lett. B 682 (2010) 370 [arXiv:0907.4286] [SPIRES].
54. ATLAS collaboration, G. Aad et al., Measurement of the production cross section for W-bosons in association with jets in pp collisions at sqrts = 7TeV with the ATLAS detector, Phys. Lett. B 698 (2011) 325 [arXiv:1012.5382] [SPIRES].