The midpoint between dipole and parton showers

European Physical Journal C

Volumn 75, Issue 9, 2015, Pages 1-18

  Höche, Stefan ^a   Prestel, Stefan ^a  

^a SLAC NATIONAL ACCELERATOR LABORATORY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 84957952088     PISSN: 14346044     EISSN: 14346052     Source Type: Journal    
DOI: 10.1140/epjc/s10052-015-3684-2     Document Type: Article

References (98)

1. B. Webber, Monte Carlo simulation of hard hadronic processes. Ann. Rev. Nucl. Part. Sci. 36, 253–286 (1986)
2. A. Buckley et al., General-purpose event generators for LHC physics. Phys. Rept. 504, 145–233 (2011). arXiv:1101.2599 [hep-ph]
3. G. Marchesini, B.R. Webber, Monte Carlo simulation of general hard processes with coherent QCD radiation. Nucl. Phys. B 310, 461 (1988)
4. S. Gieseke, P. Stephens, B. Webber, New formalism for QCD parton showers. JHEP 12, 045 (2003). arXiv:hep-ph/0310083
5. T. Sjöstrand, A model for initial state parton showers. Phys. Lett. B 157, 321 (1985)
6. T. Sjöstrand, P.Z. Skands, Transverse-momentum-ordered showers and interleaved multiple interactions. Eur. Phys. J. C 39, 129–154 (2005). arXiv:hep-ph/0408302
7. R. Kuhn, F. Krauss, B. Ivanyi, G. Soff, APACIC (Formula presented.) 1.0: A PArton Cascade In C (Formula presented.). Comput. Phys. Commun. 134, 223–266 (2001). arXiv:hep-ph/0004270
8. F. Krauss, A. Schälicke, G. Soff, APACIC (Formula presented.) 2.0: A PArton Cascade In C (Formula presented.). Comput. Phys. Commun. 174, 876–902 (2006). arXiv:hep-ph/0503087
9. Z. Nagy, D.E. Soper, A new parton shower algorithm: shower evolution, matching at leading and next-to-leading order level. arXiv:hep-ph/0601021
10. Z. Nagy, D.E. Soper, A parton shower based on factorization of the quantum density matrix. JHEP 06, 097 (2014). arXiv:1401.6364 [hep-ph]
11. S. Schumann, F. Krauss, A parton shower algorithm based on Catani-Seymour dipole factorisation. JHEP 03, 038 (2008). arXiv:0709.1027 [hep-ph]
12. M. Dinsdale, M. Ternick, S. Weinzierl, Parton showers from the dipole formalism. Phys. Rev. D 76, 094003 (2007). arXiv:0709.1026 [hep-ph]
13. J.-C. Winter, F. Krauss, Initial-state showering based on colour dipoles connected to incoming parton lines. JHEP 07, 040 (2008). arXiv:0712.3913 [hep-ph]
14. W.T. Giele, D.A. Kosower, P.Z. Skands, A simple shower and matching algorithm. Phys. Rev. D 78, 014026 (2008). arXiv:0707.3652 [hep-ph]
15. W.T. Giele, D.A. Kosower, P.Z. Skands, Higher-order corrections to timelike jets. Phys. Rev. D 84, 054003 (2011). arXiv:1102.2126 [hep-ph]
16. M. Ritzmann, D. Kosower, P. Skands, Antenna showers with hadronic initial states. Phys. Lett. B 718, 1345–1350 (2013). arXiv:1210.6345 [hep-ph]
17. S. Plätzer, S. Gieseke, Coherent parton showers with local recoils. JHEP 01, 024 (2011). arXiv:0909.5593 [hep-ph]
18. G. Gustafson, Dual description of a confined colour field. Phys. Lett. B 175, 453 (1986)
19. G. Gustafson, U. Pettersson, Dipole formulation of QCD cascades. Nucl. Phys. B 306, 746 (1988)
20. L. Lönnblad, Ariadne version 4: a program for simulation of QCD cascades implementing the colour dipole model. Comput. Phys. Commun. 71, 15–31 (1992)
21. H. Kharraziha, L. Lönnblad, The linked dipole chain Monte Carlo. JHEP 03, 006 (1998). arXiv:hep-ph/9709424
22. J.C. Collins, D.E. Soper, Back-to-back jets in QCD. Nucl. Phys. B 193, 381 (1981)
23. J.C. Collins, D.E. Soper, G.F. Sterman, Transverse momentum distribution in Drell–Yan Pair and (Formula presented.) and (Formula presented.) boson production. Nucl. Phys. B 250, 199 (1985)
24. J.C. Collins, D.E. Soper, G.F. Sterman, Factorization for short distance hadron - hadron scattering. Nucl. Phys. B 261, 104 (1985)
25. G.F. Sterman, Summation of large corrections to short-distance hadronic cross sections. Nucl. Phys. B 281, 310 (1987)
26. J.C. Collins, D.E. Soper, G. Sterman, Soft gluons and factorization. Nucl. Phys. B 308, 833–856 (1988)
27. J.C. Collins, D.E. Soper, G. Sterman, Factorization of hard processes in QCD. Adv. Ser. Direct. High Energy Phys. 5, 1–91 (1988). arXiv:hep-ph/0409313
28. C.W. Bauer, S. Fleming, D. Pirjol, I.W. Stewart, An Effective field theory for collinear and soft gluons: heavy to light decays. Phys. Rev. D 63, 114020 (2001). arXiv:hep-ph/0011336
29. C.W. Bauer, I.W. Stewart, Invariant operators in collinear effective theory. Phys. Lett. B 516, 134–142 (2001). arXiv:hep-ph/0107001
30. C.W. Bauer, D. Pirjol, I.W. Stewart, Soft collinear factorization in effective field theory. Phys. Rev. D 65, 054022 (2002). arXiv:hep-ph/0109045
31. C.W. Bauer, S. Fleming, D. Pirjol, I.Z. Rothstein, I.W. Stewart, Hard scattering factorization from effective field theory. Phys. Rev. D 66, 014017 (2002). arXiv:hep-ph/0202088
32. S. Frixione, B.R. Webber, Matching NLO QCD computations and parton shower simulations. JHEP 06, 029 (2002). arXiv:hep-ph/0204244
33. P. Nason, A new method for combining NLO QCD with shower Monte Carlo algorithms. JHEP 11, 040 (2004). arXiv:hep-ph/0409146
34. S. Frixione, P. Nason, C. Oleari, Matching NLO QCD computations with parton shower simulations: the POWHEG method. JHEP 11, 070 (2007). arXiv:0709.2092 [hep-ph]
35. S. Frixione, F. Stoeckli, P. Torrielli, B.R. Webber, NLO QCD corrections in Herwig (Formula presented.) with MC@NLO. JHEP 01, 053 (2011). arXiv:1010.0568 [hep-ph]
36. P. Torrielli, S. Frixione, Matching NLO QCD computations with PYTHIA using MC@NLO. JHEP 04, 110 (2010). arXiv:1002.4293 [hep-ph]
37. S. Alioli, P. Nason, C. Oleari, E. Re, A general framework for implementing NLO calculations in shower Monte Carlo programs: the POWHEG BOX. JHEP 06, 043 (2010). arXiv:1002.2581 [hep-ph]
38. S. Höche, F. Krauss, M. Schönherr, F. Siegert, Automating the POWHEG method in SHERPA. JHEP 04, 024 (2011). arXiv:1008.5399 [hep-ph]
39. S. Höche, F. Krauss, M. Schönherr, F. Siegert, W (Formula presented.) n-jet predictions with MC@NLO in Sherpa. Phys. Rev. Lett. 110, 052001 (2013). arXiv:1201.5882 [hep-ph]
40. S. Plätzer, S. Gieseke, Dipole showers and automated NLO matching in Herwig (Formula presented.). Eur. Phys. J. C 72, 2187 (2012). arXiv:1109.6256 [hep-ph]
41. J. Alwall, R. Frederix, S. Frixione, V. Hirschi, F. Maltoni, O. Mattelaer, H.-S. Shao, T. Stelzer, P. Torrielli, M. Zaro, The automated computation of tree-level and next-to-leading order differential cross sections, and their matching to parton shower simulations. JHEP 07, 079 (2014). arXiv:1405.0301 [hep-ph]
42. S. Jadach, W. Placzek, S. Sapeta, A. Siodmok, M. Skrzypek, Matching NLO QCD with parton shower in Monte Carlo scheme - the KrkNLO method. arXiv:1503.06849 [hep-ph]
43. S. Höche, F. Krauss, M. Schönherr, F. Siegert, A critical appraisal of NLO (Formula presented.) PS matching methods. JHEP 09, 049 (2012). arXiv:1111.1220 [hep-ph]
44. S. Catani, F. Krauss, R. Kuhn, B.R. Webber, QCD matrix elements (Formula presented.) parton showers. JHEP 11, 063 (2001). arXiv:hep-ph/0109231
45. L. Lönnblad, Correcting the colour-dipole cascade model with fixed order matrix elements. JHEP 05, 046 (2002). arXiv:hep-ph/0112284
46. M.L. Mangano, M. Moretti, R. Pittau, Multijet matrix elements and shower evolution in hadronic collisions: (Formula presented.) -jets as a case study. Nucl. Phys. B 632, 343–362 (2002). arXiv:hep-ph/0108069
47. J. Alwall et al., Comparative study of various algorithms for the merging of parton showers and matrix elements in hadronic collisions. Eur. Phys. J. C 53, 473–500 (2008). arXiv:0706.2569 [hep-ph]
48. N. Lavesson, L. Lönnblad, Merging parton showers and matrix elements - back to basics. JHEP 04, 085 (2008). arXiv:0712.2966 [hep-ph]
49. K. Hamilton, P. Richardson, J. Tully, A modified CKKW matrix element merging approach to angular-ordered parton showers. JHEP 11, 038 (2009). arXiv:0905.3072 [hep-ph]
50. K. Hamilton, P. Nason, Improving NLO-parton shower matched simulations with higher order matrix elements. JHEP 06, 039 (2010). arXiv:1004.1764 [hep-ph]
51. S. Höche, F. Krauss, M. Schönherr, F. Siegert, NLO matrix elements and truncated showers. JHEP 08, 123 (2011). arXiv:1009.1127 [hep-ph]
52. L. Lönnblad, S. Prestel, Unitarising matrix element (Formula presented.) parton shower merging. JHEP 02, 094 (2013). arXiv:1211.4827 [hep-ph]
53. S. Plätzer, Controlling inclusive cross sections in parton shower (Formula presented.) matrix element merging. JHEP 08, 114 (2013). arXiv:1211.5467 [hep-ph]
54. N. Lavesson, L. Lönnblad, Extending CKKW-merging to one-loop matrix elements. JHEP 12, 070 (2008). arXiv:0811.2912 [hep-ph]
55. T. Gehrmann, S. Höche, F. Krauss, M. Schönherr, F. Siegert, NLO QCD matrix elements (Formula presented.) parton showers in (Formula presented.) hadrons. JHEP 01, 144 (2013). arXiv:1207.5031 [hep-ph]
56. S. Höche, F. Krauss, M. Schönherr, F. Siegert, QCD matrix elements (Formula presented.) parton showers: the NLO case. JHEP 04, 027 (2013). arXiv:1207.5030 [hep-ph]
57. L. Lönnblad, S. Prestel, Merging multi-leg NLO matrix elements with parton showers. JHEP 03, 166 (2013). arXiv:1211.7278 [hep-ph]
58. R. Frederix, S. Frixione, Merging meets matching in MC@NLO. JHEP 12, 061 (2012). arXiv:1209.6215 [hep-ph]
59. S. Alioli, C.W. Bauer, C.J. Berggren, A. Hornig, F.J. Tackmann et al., Combining higher-order resummation with multiple NLO calculations and parton showers in GENEVA. JHEP 09, 120 (2013). arXiv:1211.7049 [hep-ph]
60. P. Nason, B. Webber, Next-to-leading-order event generators. Ann. Rev. Nucl. Part. Sci. 62, 187–213 (2012). arXiv:1202.1251 [hep-ph]
61. S. Jadach, A. Kusina, W. Placzek, M. Skrzypek, M. Slawinska, Inclusion of the QCD next-to-leading order corrections in the quark-gluon Monte Carlo shower. Phys. Rev. D 87(3), 034029 (2013). arXiv:1103.5015 [hep-ph]
62. S. Jadach, A. Kusina, W. Placzek, M. Skrzypek, NLO corrections in the initial-state parton shower Monte Carlo. Acta Phys. Polon. B 44(11), 2179–2187 (2013). arXiv:1310.6090 [hep-ph]
63. T. Sjöstrand, S. Ask, J.R. Christiansen, R. Corke, N. Desai, P. Ilten, S. Mrenna, S. Prestel, C.O. Rasmussen, P.Z. Skands, An Introduction to PYTHIA 8.2. Comput. Phys. Commun. 191, 159–177 (2015). arXiv:1410.3012 [hep-ph]
64. T. Gleisberg, S. Höche, F. Krauss, A. Schälicke, S. Schumann, J. Winter, SHERPA 1. (Formula presented.), a proof-of-concept version. JHEP 02, 056 (2004). arXiv:hep-ph/0311263
65. T. Gleisberg, S. Höche, F. Krauss, M. Schönherr, S. Schumann, F. Siegert, J. Winter, Event generation with SHERPA 1.1. JHEP 02, 007 (2009). arXiv:0811.4622 [hep-ph]
66. V.N. Gribov, L.N. Lipatov, Deep inelastic (Formula presented.) scattering in perturbation theory. Sov. J. Nucl. Phys. 15, 438–450 (1972)
67. Y.L. Dokshitzer, Calculation of the structure functions for deep inelastic scattering and (Formula presented.) annihilation by perturbation theory in quantum chromodynamics. Sov. Phys. JETP 46, 641–653 (1977)
68. G. Altarelli, G. Parisi, Asymptotic freedom in parton language. Nucl. Phys. B 126, 298–318 (1977)
69. R.K. Ellis, W.J. Stirling, B.R. Webber, in QCD and Collider Physics, edn 1. Cambridge Monogr. Part. Phys. Nucl. Phys. Cosmol., vol. 8 (Cambridge University Press, Cambridge, 1996)
70. T. Sjöstrand, S. Mrenna, P. Skands, PYTHIA 6.4 physics and manual. JHEP 05, 026 (2006). arXiv:hep-ph/0603175
71. B. Andersson, G. Gustafson, G. Ingelman, T. Sjöstrand, Parton fragmentation and string dynamics. Phys. Rept. 97, 31–145 (1983)
72. A. Bassetto, M. Ciafaloni, G. Marchesini, Jet structure and infrared sensitive quantities in perturbative QCD. Phys. Rept. 100, 201–272 (1983)
73. S. Catani, M.H. Seymour, A general algorithm for calculating jet cross sections in NLO QCD. Nucl. Phys. B 485, 291–419 (1997). arXiv:hep-ph/9605323
74. S. Höche, S. Schumann, F. Siegert, Hard photon production and matrix-element parton-shower merging. Phys. Rev. D 81, 034026 (2010). arXiv:0912.3501 [hep-ph]
75. S. Plätzer, M. Sjödahl, The Sudakov veto algorithm reloaded. Eur. Phys. J. Plus 127, 26 (2012). arXiv:1108.6180 [hep-ph]
76. L. Lönnblad, Fooling around with the Sudakov veto algorithm. Eur. Phys. J. C 73, 2350 (2013). arXiv:1211.7204 [hep-ph]
77. S. Catani, S. Dittmaier, M.H. Seymour, Z. Trocsanyi, The dipole formalism for next-to-leading order QCD calculations with massive partons. Nucl. Phys. B 627, 189–265 (2002). arXiv:hep-ph/0201036
78. V.V. Sudakov, Vertex parts at very high-energies in quantum electrodynamics. Sov. Phys. JETP 3, 65–71 (1956)
79. T. Carli, T. Gehrmann, S. Höche, Hadronic final states in deep-inelastic scattering with SHERPA. Eur. Phys. J. C 67, 73 (2010). arXiv:0912.3715 [hep-ph]
80. H.-L. Lai, M. Guzzi, J. Huston, Z. Li, P.M. Nadolsky et al., New parton distributions for collider physics. Phys. Rev. D 82, 074024 (2010). arXiv:1007.2241 [hep-ph]
81. S. Catani, B.R. Webber, G. Marchesini, QCD coherent branching and semiinclusive processes at large (Formula presented.). Nucl. Phys. B 349, 635–654 (1991)
82. J.R. Ellis, M.K. Gaillard, D.V. Nanopoulos, A phenomenological profile of the Higgs boson. Nucl. Phys. B 106, 292 (1976)
83. F. Wilczek, Decays of heavy vector mesons into Higgs particles. Phys. Rev. Lett. 39, 1304 (1977)
84. M.A. Shifman, A. Vainshtein, M. Voloshin, V.I. Zakharov, Low-energy theorems for Higgs boson couplings to photons. Sov. J. Nucl. Phys. 30, 711–716 (1979)
85. J.R. Ellis, M. Gaillard, D.V. Nanopoulos, C.T. Sachrajda, Is the mass of the Higgs boson about 10-GeV? Phys. Lett. B 83, 339 (1979)
86. M. Schönherr, F. Krauss, Soft photon radiation in particle decays in SHERPA. JHEP 12, 018 (2008). arXiv:0810.5071 [hep-ph]
87. J.-C. Winter, F. Krauss, G. Soff, A modified cluster-hadronisation model. Eur. Phys. J. C 36, 381–395 (2004). arXiv:hep-ph/0311085
88. A. Buckley, J. Butterworth, L. Lönnblad, D. Grellscheid, H. Hoeth et al., Rivet user manual. Comput. Phys. Commun. 184, 2803–2819 (2013). arXiv:1003.0694 [hep-ph]
89. P. Pfeifenschneider et al., The JADE and OPAL collaboration, QCD analyses and determinations of (Formula presented.) annihilation at energies between 35-GeV and 189-GeV, Eur. Phys. J. C 17, 19–51 (2000). arXiv:hep-ex/0001055
90. A. Heister et al., The ALEPH collaboration, Studies of QCD at (Formula presented.) centre-of-mass energies between 91 and 209 GeV. Eur. Phys. J. C 35, 457–486 (2004)
91. G. Aad et al., The ATLAS collaboration, Measurement of angular correlations in Drell-Yan lepton pairs to probe (Formula presented.) boson transverse momentum at (Formula presented.) TeV with the ATLAS detector. Phys. Lett. B 720, 32–51 (2013). arXiv:1211.6899 [hep-ex]
92. G. Aad et al., The ATLAS collaboration, Measurement of the (Formula presented.) boson transverse momentum distribution in (Formula presented.) collisions at (Formula presented.) TeV with the ATLAS detector. JHEP 09, 145 (2014). arXiv:1406.3660 [hep-ex]
93. G. Aad et al., The ATLAS collaboration, Measurement of Dijet Azimuthal Decorrelations in (Formula presented.) Collisions at (Formula presented.) TeV. Phys. Rev. Lett. 106, 172002 (2011). arXiv:1102.2696 [hep-ex]
94. M. Wobisch, K. Rabbertz, Dijet azimuthal decorrelations for (Formula presented.) in perturbative QCD. arXiv:1505.05030 [hep-ph]
95. T. Carli, T. Gehrmann, S. Höche, Hadronic final states in DIS with Sherpa. PoS DIS 2010, 112 (2010). arXiv:1006.5696 [hep-ph]
96. Z. Nagy, D.E. Soper, On the transverse momentum in Z-boson production in a virtuality ordered parton shower. JHEP 03, 097 (2010). arXiv:0912.4534 [hep-ph]
97. G. Parisi, R. Petronzio, Small transverse momentum distributions in hard processes. Nucl. Phys. B 154, 427 (1979)
98. R.K. Ellis, S. Veseli, (Formula presented.) and (Formula presented.) transverse momentum distributions: resummation in (Formula presented.) space. Nucl. Phys. B 511, 649–669 (1998). arXiv:hep-ph/9706526