CMS pythia 8 colour reconnection tunes based on underlying-event data

The European Physical Journal C, vol. 83, pp. 587

Abstract

Abstract New sets of parameter tunes for two of the colour reconnection models, quantum chromodynamics-inspired and gluon-move, implemented in the pythia 8 event generator, are obtained based on the default CMS pythia 8 underlying-event tune, CP5. Measurements sensitive to the underlying event performed by the CMS experiment at centre-of-mass energies $$\sqrt{s}=7$$ s = 7 and 13 $$\,\text {Te\hspace{-.08em}V}$$ Te V , and by the CDF experiment at 1.96 $$\,\text {Te\hspace{-.08em}V}$$ Te V are used to constrain the parameters of colour reconnection models and multiple-parton interactions simultaneously. The new colour reconnection tunes are compared with various measurements at 1.96, 7, 8, and 13 $$\,\text {Te\hspace{-.08em}V}$$ Te V including measurements of the underlying-event, strange-particle multiplicities, jet substructure observables, jet shapes, and colour flow in top quark pair ( $${{\text {t}} {}{\bar{\text {t}}}}$$ t t ¯ ) events. The new tunes are also used to estimate the uncertainty related to colour reconnection modelling in the top quark mass measurement using the decay products of $${{\text {t}} {}{\bar{\text {t}}}}$$ t t ¯ events in the semileptonic channel at 13 $$\,\text {Te\hspace{-.08em}V}$$ Te V .

Authors 100

1. A. Tumasyan

   A. Alikhanyan National Laboratory · Yerevan State University

   Affiliation as printed

   Yerevan Physics Institute, Yerevan, Armenia

   Yerevan State University, Yerevan, Armenia

2. W. Adam

   Institute of High Energy Physics

   Affiliation as printed

   Institut für Hochenergiephysik, Vienna, Austria

3. Janik Walter Andrejkovic

   Institute of High Energy Physics

   Affiliation as printed

   Institut für Hochenergiephysik, Vienna, Austria

4. T. Bergauer

   Institute of High Energy Physics

   Affiliation as printed

   Institut für Hochenergiephysik, Vienna, Austria

5. S. Chatterjee

   Institute of High Energy Physics

   Affiliation as printed

   Institut für Hochenergiephysik, Vienna, Austria

6. K. Damanakis

   Institute of High Energy Physics

   Affiliation as printed

   Institut für Hochenergiephysik, Vienna, Austria

7. M. Dragicevic

   Institute of High Energy Physics

   Affiliation as printed

   Institut für Hochenergiephysik, Vienna, Austria

8. A. Escalante Del Valle

   Institute of High Energy Physics

   Affiliation as printed

   Institut für Hochenergiephysik, Vienna, Austria

9. Rudolf Konrad Fruhwirth

   TU Wien · Institute of High Energy Physics

   Affiliation as printed

   Institut für Hochenergiephysik, Vienna, Austria

   TU Wien, Vienna, Austria

10. M. Jeitler

    TU Wien · Institute of High Energy Physics

    Affiliation as printed

    Institut für Hochenergiephysik, Vienna, Austria

    TU Wien, Vienna, Austria

11. Natascha Krammer

    Institute of High Energy Physics

    Affiliation as printed

    Institut für Hochenergiephysik, Vienna, Austria

12. L. Lechner

    Institute of High Energy Physics

    Affiliation as printed

    Institut für Hochenergiephysik, Vienna, Austria

13. Dietrich Liko

    Institute of High Energy Physics

    Affiliation as printed

    Institut für Hochenergiephysik, Vienna, Austria

14. I. Mikulec

    Institute of High Energy Physics

    Affiliation as printed

    Institut für Hochenergiephysik, Vienna, Austria

15. P. Paulitsch

    Institute of High Energy Physics

    Affiliation as printed

    Institut für Hochenergiephysik, Vienna, Austria

16. F. M. Pitters

    Institute of High Energy Physics

    Affiliation as printed

    Institut für Hochenergiephysik, Vienna, Austria

17. J. Schieck

    TU Wien · Institute of High Energy Physics

    Affiliation as printed

    Institut für Hochenergiephysik, Vienna, Austria

    TU Wien, Vienna, Austria

18. R. Schöfbeck

    Institute of High Energy Physics

    Affiliation as printed

    Institut für Hochenergiephysik, Vienna, Austria

19. Dennis Schwarz

    Institute of High Energy Physics

    Affiliation as printed

    Institut für Hochenergiephysik, Vienna, Austria

20. S. Templ

    Institute of High Energy Physics

    Affiliation as printed

    Institut für Hochenergiephysik, Vienna, Austria

21. W. Waltenberger

    Institute of High Energy Physics

    Affiliation as printed

    Institut für Hochenergiephysik, Vienna, Austria

22. C.-E. Wulz

    TU Wien · Institute of High Energy Physics

    Affiliation as printed

    Institut für Hochenergiephysik, Vienna, Austria

    TU Wien, Vienna, Austria

23. M. R. Darwish

    University of Antwerp · Arab Academy for Science, Technology, and Maritime Transport

    Affiliation as printed

    Institute of Basic and Applied Sciences, Faculty of Engineering, Arab Academy for Science, Technology and Maritime Transport, Alexandria, Egypt

    Universiteit Antwerpen, Antwerpen, Belgium

24. E. A. De Wolf

    University of Antwerp

    Affiliation as printed

    Universiteit Antwerpen, Antwerpen, Belgium

25. X. Janssen

    University of Antwerp

    Affiliation as printed

    Universiteit Antwerpen, Antwerpen, Belgium

26. T. Kello

    Université Libre de Bruxelles · University of Antwerp

    Affiliation as printed

    Universiteit Antwerpen, Antwerpen, Belgium

    Université Libre de Bruxelles, Brussels, Belgium

27. A. Lelek

    University of Antwerp

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    Universiteit Antwerpen, Antwerpen, Belgium

28. H. Rejeb Sfar

    University of Antwerp

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    Universiteit Antwerpen, Antwerpen, Belgium

29. P. Van Mechelen

    University of Antwerp

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    Universiteit Antwerpen, Antwerpen, Belgium

30. Senne Van Putte

    University of Antwerp

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    Universiteit Antwerpen, Antwerpen, Belgium

31. N. Van Remortel

    University of Antwerp

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    Universiteit Antwerpen, Antwerpen, Belgium

32. E. S. Bols

    Vrije Universiteit Brussel

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    Vrije Universiteit Brussel, Brussels, Belgium

33. J. D’Hondt

    Vrije Universiteit Brussel

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    Vrije Universiteit Brussel, Brussels, Belgium

34. M. Delcourt

    Vrije Universiteit Brussel

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    Vrije Universiteit Brussel, Brussels, Belgium

35. H. El Faham

    Vrije Universiteit Brussel

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    Vrije Universiteit Brussel, Brussels, Belgium

36. S. Lowette

    Vrije Universiteit Brussel

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    Vrije Universiteit Brussel, Brussels, Belgium

37. S. Moortgat

    Vrije Universiteit Brussel

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    Vrije Universiteit Brussel, Brussels, Belgium

38. A. Morton

    Vrije Universiteit Brussel

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    Vrije Universiteit Brussel, Brussels, Belgium

39. D. Müller

    Vrije Universiteit Brussel

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    Vrije Universiteit Brussel, Brussels, Belgium

40. Abanti Ranadhir Sahasransu

    Vrije Universiteit Brussel

    Affiliation as printed

    Vrije Universiteit Brussel, Brussels, Belgium

41. S. Tavernier

    Vrije Universiteit Brussel

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    Vrije Universiteit Brussel, Brussels, Belgium

42. W. Van Doninck

    Vrije Universiteit Brussel

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    Vrije Universiteit Brussel, Brussels, Belgium

43. David Vannerom

    Vrije Universiteit Brussel

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    Vrije Universiteit Brussel, Brussels, Belgium

44. D. Beghin

    Université Libre de Bruxelles

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    Université Libre de Bruxelles, Brussels, Belgium

45. B. Bilin

    Université Libre de Bruxelles

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    Université Libre de Bruxelles, Brussels, Belgium

46. B. Clerbaux

    Université Libre de Bruxelles

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    Université Libre de Bruxelles, Brussels, Belgium

47. G. De Lentdecker

    Université Libre de Bruxelles

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    Université Libre de Bruxelles, Brussels, Belgium

48. L. Favart

    Université Libre de Bruxelles

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    Université Libre de Bruxelles, Brussels, Belgium

49. A. K. Kalsi

    Université Libre de Bruxelles

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    Université Libre de Bruxelles, Brussels, Belgium

50. Kyeongpil Lee

    Université Libre de Bruxelles · Korea University

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    Korea University, Seoul, Korea

    Université Libre de Bruxelles, Brussels, Belgium

51. M. Mahdavikhorrami

    Université Libre de Bruxelles

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    Université Libre de Bruxelles, Brussels, Belgium

52. Inna Makarenko

    Université Libre de Bruxelles

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    Université Libre de Bruxelles, Brussels, Belgium

53. L. Moureaux

    Université Libre de Bruxelles

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    Université Libre de Bruxelles, Brussels, Belgium

54. S. Paredes

    Université Libre de Bruxelles

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    Université Libre de Bruxelles, Brussels, Belgium

55. L. Pétré

    Université Libre de Bruxelles

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    Université Libre de Bruxelles, Brussels, Belgium

56. A. Popov

    Université Libre de Bruxelles

    Affiliation as printed

    Université Libre de Bruxelles, Brussels, Belgium

57. Nicolas Postiau

    Université Libre de Bruxelles

    Affiliation as printed

    Université Libre de Bruxelles, Brussels, Belgium

58. Elizabeth Rose Starling

    Université Libre de Bruxelles

    Affiliation as printed

    Université Libre de Bruxelles, Brussels, Belgium

59. Laurent Thomas

    Université Libre de Bruxelles

    Affiliation as printed

    Université Libre de Bruxelles, Brussels, Belgium

60. M. Vanden Bemden

    Université Libre de Bruxelles

    Affiliation as printed

    Université Libre de Bruxelles, Brussels, Belgium

61. Catherine Vander Velde

    Université Libre de Bruxelles

    Affiliation as printed

    Université Libre de Bruxelles, Brussels, Belgium

62. Pascal Vanlaer

    Université Libre de Bruxelles

    Affiliation as printed

    Université Libre de Bruxelles, Brussels, Belgium

63. T. Cornelis

    Ghent University

    Affiliation as printed

    Ghent University, Ghent, Belgium

64. D. Dobur

    Ghent University

    Affiliation as printed

    Ghent University, Ghent, Belgium

65. J. Knolle

    Ghent University

    Affiliation as printed

    Ghent University, Ghent, Belgium

66. Luka Lambrecht

    Ghent University

    Affiliation as printed

    Ghent University, Ghent, Belgium

67. G. Mestdach

    Ghent University

    Affiliation as printed

    Ghent University, Ghent, Belgium

68. M. Niedziela

    Ghent University

    Affiliation as printed

    Ghent University, Ghent, Belgium

69. César Rendón

    Ghent University

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    Ghent University, Ghent, Belgium

70. C. Roskas

    Ghent University

    Affiliation as printed

    Ghent University, Ghent, Belgium

71. A. Samalan

    Ghent University

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    Ghent University, Ghent, Belgium

72. K. Skovpen

    Ghent University

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    Ghent University, Ghent, Belgium

73. M. Tytgat

    Ghent University

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    Ghent University, Ghent, Belgium

74. B. Vermassen

    Ghent University

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    Ghent University, Ghent, Belgium

75. Liam Wezenbeek

    Ghent University

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    Ghent University, Ghent, Belgium

76. A. Benecke

    UCLouvain

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    Université Catholique de Louvain, Louvain-la-Neuve, Belgium

77. Agni Bethani

    UCLouvain

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    Université Catholique de Louvain, Louvain-la-Neuve, Belgium

78. G. Bruno

    UCLouvain

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    Université Catholique de Louvain, Louvain-la-Neuve, Belgium

79. F. Bury

    UCLouvain

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    Université Catholique de Louvain, Louvain-la-Neuve, Belgium

80. C. Caputo

    UCLouvain

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    Université Catholique de Louvain, Louvain-la-Neuve, Belgium

81. P. David

    UCLouvain

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    Université Catholique de Louvain, Louvain-la-Neuve, Belgium

82. Christophe Delaere

    UCLouvain

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    Université Catholique de Louvain, Louvain-la-Neuve, Belgium

83. I. S. Donertas

    UCLouvain

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    Université Catholique de Louvain, Louvain-la-Neuve, Belgium

84. ANDREA GIAMMANCO

    UCLouvain

    Affiliation as printed

    Université Catholique de Louvain, Louvain-la-Neuve, Belgium

85. K. Jaffel

    UCLouvain

    Affiliation as printed

    Université Catholique de Louvain, Louvain-la-Neuve, Belgium

86. Sandhya Jain

    UCLouvain

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    Université Catholique de Louvain, Louvain-la-Neuve, Belgium

87. V. Lemaı̂tre

    UCLouvain

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    Université Catholique de Louvain, Louvain-la-Neuve, Belgium

88. K. Mondal

    UCLouvain

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    Université Catholique de Louvain, Louvain-la-Neuve, Belgium

89. J. Prisciandaro

    UCLouvain

    Affiliation as printed

    Université Catholique de Louvain, Louvain-la-Neuve, Belgium

90. Angela Taliercio

    UCLouvain

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    Université Catholique de Louvain, Louvain-la-Neuve, Belgium

91. M. Teklishyn

    UCLouvain

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    Université Catholique de Louvain, Louvain-la-Neuve, Belgium

92. T. T. Tran

    UCLouvain

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    Université Catholique de Louvain, Louvain-la-Neuve, Belgium

93. P. Vischia

    UCLouvain

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    Université Catholique de Louvain, Louvain-la-Neuve, Belgium

94. S. Wertz

    UCLouvain

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    Université Catholique de Louvain, Louvain-la-Neuve, Belgium

95. Gilvan Augusto Alves

    Centro Brasileiro de Pesquisas Físicas

    Affiliation as printed

    Centro Brasileiro de Pesquisas Fisicas, Rio de Janeiro, Brazil

96. C. Hensel

    Centro Brasileiro de Pesquisas Físicas

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    Centro Brasileiro de Pesquisas Fisicas, Rio de Janeiro, Brazil

97. Arthur M. Moraes

    Centro Brasileiro de Pesquisas Físicas

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    Centro Brasileiro de Pesquisas Fisicas, Rio de Janeiro, Brazil

98. P. Rebello Teles

    Centro Brasileiro de Pesquisas Físicas

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    Centro Brasileiro de Pesquisas Fisicas, Rio de Janeiro, Brazil

99. W. L. Aldá Júnior

    Universidade do Estado do Rio de Janeiro

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    Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil

100. M. Alves Gallo Pereira

     Universidade do Estado do Rio de Janeiro

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     Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil