Ratios of W and Z cross sections at large boson pT as a constraint on PDFs and background to new physics

Journal of High Energy Physics

Volumn 2014, Issue 2, 2014, Pages

  Malik, Sarah Alam ^a,c   Watt, Graeme ^b,d  

^a ROCKEFELLER UNIVERSITY   (United States)

^b UNIVERSITY OF ZURICH   (Switzerland)

^c IMPERIAL COLLEGE LONDON   (United Kingdom)

^d DURHAM UNIVERSITY   (United Kingdom)

Author keywords

Hadronic Colliders; QCD Phenomenology

Indexed keywords

EID: 84894502838     PISSN: 11266708     EISSN: 10298479     Source Type: Journal    
DOI: 10.1007/JHEP02(2014)025     Document Type: Article

References (104)

1. S. Forte and G. Watt, Progress in the Determination of the Partonic Structure of the Proton, Ann. Rev. Nucl. Part. Sci. 63 (2013) 291 [arXiv:1301.6754] [INSPIRE].
2. ± and Z/γ* cross sections in the electron and muon decay channels in pp collisions at √s = 7 TeV with the ATLAS detector, Phys. Rev. D 85 (2012) 072004 [arXiv:1109.5141] [INSPIRE].
3. CMS collaboration, Measurement of the Inclusive W and Z Production Cross Sections in pp Collisions at √s = 7 TeV, JHEP 10 (2011) 132 [arXiv:1107.4789] [INSPIRE].
4. CMS collaboration, Measurement of the Rapidity and Transverse Momentum Distributions of Z Bosons in pp Collisions at √s = 7 TeV, Phys. Rev. D 85 (2012) 032002 [arXiv:1110.4973] [INSPIRE].
5. LHCb collaboration, Inclusive W and Z production in the forward region at √s = 7 TeV, JHEP 06 (2012) 058 [arXiv:1204.1620] [INSPIRE].
6. - production in pp collisions at √s = 7 TeV, JHEP 02 (2013) 106 [arXiv:1212.4620] [INSPIRE].
7. CMS collaboration, Measurement of the lepton charge asymmetry in inclusive W production in pp collisions at √s = 7 TeV, JHEP 04 (2011) 050 [arXiv:1103.3470] [INSPIRE].
8. CMS collaboration, Measurement of the electron charge asymmetry in inclusive W production in pp collisions at √s = 7 TeV, Phys. Rev. Lett. 109 (2012) 111806 [arXiv:1206.2598] [INSPIRE].
9. ATLAS collaboration, Measurement of the Transverse Momentum Distribution of W Bosons in pp Collisions at √s = 7 TeV with the ATLAS Detector, Phys. Rev. D 85 (2012) 012005 [arXiv:1108.6308] [INSPIRE].
10. ATLAS collaboration, Measurement of the transverse momentum distribution of Z/γ* bosons in proton-proton collisions at √s = 7 TeV with the ATLAS detector, Phys. Lett. B 705 (2011)415 [arXiv:1107.2381] [INSPIRE].
11. ATLAS collaboration, Measurement of the production cross section for W -bosons in association with jets in pp collisions at √s = 7 TeV with the ATLAS detector, Phys. Lett. B 698 (2011)325 [arXiv:1012.5382] [INSPIRE].
12. CMS collaboration, Jet Production Rates in Association with W and Z Bosons in pp Collisions at √s = 7 TeV, JHEP 01 (2012) 010 [arXiv:1110.3226] [INSPIRE].
13. ATLAS collaboration, Measurement of the production cross section for Z/γ* in association with jets in pp collisions at √s = 7 TeV with the ATLAS detector, Phys. Rev. D 85 (2012) 032009 [arXiv:1111.2690] [INSPIRE].
14. ATLAS collaboration, Study of jets produced in association with a W boson in pp collisions at √s = 7 TeV with the ATLAS detector, Phys. Rev. D 85 (2012) 092002 [arXiv:1201.1276] [INSPIRE].
15. ATLAS collaboration, Measurement of the production cross section of jets in association with a Z boson in pp collisions at √s = 7 TeV with the ATLAS detector, JHEP 07 (2013) 032 [arXiv:1304.7098] [INSPIRE].
16. LHCb collaboration, Study of forward Z + jet production in pp collisions at √s = 7 TeV, JHEP 01 (2014) 033 [arXiv:1310.8197] [INSPIRE].
17. ATLAS collaboration, A measurement of the ratio of the W and Z cross sections with exactly one associated jet in pp collisions at √s = 7 TeV with ATLAS, Phys. Lett. B 708 (2012)221 [arXiv:1108.4908] [INSPIRE].
18. CMS collaboration, Search for new physics in monojet events in pp collisions at √s = 8 TeV, Tech. Rep. CMS-PAS-EXO-12-048 (2013).
19. ATLAS collaboration, Search for dark matter candidates and large extra dimensions in events with a jet and missing transverse momentum with the ATLAS detector, JHEP 04 (2013)075 [arXiv:1210.4491] [INSPIRE].
20. -1 of √s =8 TeV proton-proton collision data, Tech. Rep. ATLAS-CONF-2012-109 (2012).
21. CMS collaboration, Search for supersymmetry in hadronic final states using MT2 in pp collisions at √s = 7 TeV, JHEP 10 (2012) 018 [arXiv:1207.1798] [INSPIRE].
22. CMS collaboration, Search for new physics in the multijet and missing transverse momentum final state in proton-proton collisions at √s = 7 TeV, Phys. Rev. Lett. 109 (2012)171803 [arXiv:1207.1898] [INSPIRE].
23. CMS collaboration, Data-Driven Estimation of the Invisible Z Background to the SUSY MET Plus Jets Search, Tech. Rep. CMS-PAS-SUS-08-002 (2009).
24. CMS collaboration, Search for gluino-mediated bottom- and top-squark production in pp collisions at 8 TeV, Tech. Rep. CMS-PAS-SUS-12-024 (2013).
25. T, JHEP 01 (2013)077 [arXiv:1210.8115] [INSPIRE].
26. CMS collaboration, Search for New Physics with Jets and Missing Transverse Momentum in pp collisions at √s = 7 TeV, JHEP 08 (2011) 155 [arXiv:1106.4503] [INSPIRE].
27. 1 of p-p collisions at √s =8 TeV with the ATLAS detector, Tech. Rep. ATLAS-CONF-2013-024 (2013).
28. -1 of pp collisions at √s = 8 TeV with the ATLAS Detector, Tech. Rep. ATLAS-CONF-2012-165 (2012).
29. -1 of √s = 8 TeV proton-proton collisions, Tech. Rep. ATLAS-CONF-2012-103 (2012).
30. -1 of √s = 7 TeV proton-proton collision data, Phys. Rev. D 87 (2013) 012008 [arXiv:1208.0949] [INSPIRE].
31. Particle Data Group collaboration, J. Beringer et al., Review of Particle Physics (RPP), Phys. Rev. D 86 (2012) 010001 [INSPIRE].
32. Z. Bern, G. Diana, L. Dixon, F. Febres Cordero, S. Hoche et al., Driving Missing Data at Next-to-Leading Order, Phys. Rev. D 84 (2011) 114002 [arXiv:1106.1423] [INSPIRE].
33. S. Ask, M. Parker, T. Sandoval, M. Shea and W. Stirling, Using γ + jets Production to Calibrate the Standard Model Z(→ νν̄) + jets Background to New Physics Processes at the LHC, JHEP 10 (2011) 058 [arXiv:1107.2803] [INSPIRE].
34. Z. Bern, G. Diana, L. Dixon, F. Febres Cordero, S. Hoeche et al., Missing Energy and Jets for Supersymmetry Searches, Phys. Rev. D 87 (2013) 034026 [arXiv:1206.6064] [INSPIRE].
35. M.L. Mangano, M. Moretti, F. Piccinini, R. Pittau and A.D. Polosa, ALPGEN, a generator for hard multiparton processes in hadronic collisions, JHEP 07 (2003) 001 [hep-ph/0206293] [INSPIRE].
36. T. Gleisberg, S. Hoeche, F. Krauss, M. Schonherr, S. Schumann et al., Event generation with SHERPA 1.1, JHEP 02 (2009) 007 [arXiv:0811.4622] [INSPIRE].
37. J. Alwall, M. Herquet, F. Maltoni, O. Mattelaer and T. Stelzer, MadGraph 5: Going Beyond, JHEP 06 (2011) 128 [arXiv:1106.0522] [INSPIRE].
38. T. Sjöstrand, S. Mrenna and P.Z. Skands, PYTHIA 6.4 Physics and Manual, JHEP 05 (2006)026 [hep-ph/0603175] [INSPIRE].
39. CMS collaboration, Measurement of the Underlying Event Activity at the LHC with √s = 7 TeV and Comparison with √s = 0.9 TeV, JHEP 09 (2011) 109 [arXiv:1107.0330] [INSPIRE].
40. J. Alwall, S. Hoche, F. Krauss, N. Lavesson, L. Lönnblad et al., Comparative study of various algorithms for the merging of parton showers and matrix elements in hadronic collisions, Eur. Phys. J. C 53 (2008) 473 [arXiv:0706.2569] [INSPIRE].
41. J. Pumplin, D. Stump, J. Huston, H. Lai, P.M. Nadolsky et al., New generation of parton distributions with uncertainties from global QCD analysis, JHEP 07 (2002) 012 [hep-ph/0201195] [INSPIRE].
42. t jet clustering algorithm, JHEP 04 (2008)063 [arXiv:0802.1189] [INSPIRE].
43. M. Klasen and M. Brandt, Parton densities from LHC vector boson production at small and large transverse momenta, Phys. Rev. D 88 (2013) 054002 [arXiv:1305.5677] [INSPIRE].
44. G. Watt, A. Martin and M. Ryskin, Unintegrated parton distributions and electroweak boson production at hadron colliders, Phys. Rev. D 70 (2004) 014012 [Erratum ibid. D 70 (2004) 079902] [hep-ph/0309096] [INSPIRE].
45. J.M. Campbell and R. Ellis, MCFM for the Tevatron and the LHC, Nucl. Phys. Proc. Suppl. 205 (2010) 10 [arXiv:1007.3492] [INSPIRE].
46. 2), Phys. Rev. D 74 (2006) 114017 [hep-ph/0609070] [INSPIRE].
47. S. Catani, L. Cieri, G. Ferrera, D. de Florian and M. Grazzini, Vector boson production at hadron colliders: a fully exclusive QCD calculation at NNLO, Phys. Rev. Lett. 103 (2009) 082001 [arXiv:0903.2120] [INSPIRE].
48. R.K. Ellis, G. Martinelli and R. Petronzio, Lepton Pair Production at Large Transverse Momentum in Second Order QCD, Nucl. Phys. B 211 (1983) 106 [INSPIRE].
49. T W and Z Production in 2nd Order QCD, Nucl. Phys. B 319 (1989) 37 [Erratum ibid. B 330 (1990) 284] [INSPIRE].
50. R.J. Gonsalves, J. Pawlowski and C.-F. Wai, QCD Radiative Corrections to Electroweak Boson Production at Large Transverse Momentum in Hadron Collisions, Phys. Rev. D 40 (1989)2245 [INSPIRE].
51. A. Martin, W. Stirling, R. Thorne and G. Watt, Parton distributions for the LHC, Eur. Phys. J. C 63 (2009) 189 [arXiv:0901.0002] [INSPIRE].
52. 0γ, JHEP 02(2012)004[arXiv:1112.1531][INSPIRE].
53. T. Gehrmann, L. Tancredi and E. Weihs, Two-loop QCD helicity amplitudes for g g → Z g and g g → Z γ, JHEP 04 (2013) 101 [arXiv:1302.2630] [INSPIRE].
54. M. Rubin, G.P. Salam and S. Sapeta, Giant QCD K-factors beyond NLO, JHEP 09 (2010) 084 [arXiv:1006.2144] [INSPIRE].
55. T, Phys. Rev. Lett. 108 (2012) 012001 [arXiv:1106.4310] [INSPIRE].
56. N. Kidonakis and R.J. Gonsalves, Higher-order QCD corrections for the W-boson transverse momentum distribution, Phys. Rev. D 87 (2013) 014001 [arXiv:1201.5265] [INSPIRE].
57. T and Comparison to LHC Data, Phys. Rev. D 86 (2012) 054026 [arXiv:1206.6115] [INSPIRE].
58. T. Becher, G. Bell, C. Lorentzen and S. Marti, Transverse-momentum spectra of electroweak bosons near threshold at NNLO, JHEP 02 (2014) 004 [arXiv:1309.3245] [INSPIRE].
59. Y.L. Dokshitzer, D. Diakonov and S. Troian, Hard Semiinclusive Processes in QCD, Phys. Lett. B 78 (1978) 290 [INSPIRE].
60. J.C. Collins, D.E. Soper and G.F. Sterman, Transverse Momentum Distribution in Drell-Yan Pair and W and Z Boson Production, Nucl. Phys. B 250 (1985) 199 [INSPIRE].
61. C. Balázs and C. Yuan, Soft gluon effects on lepton pairs at hadron colliders, Phys. Rev. D 56 (1997)5558 [hep-ph/9704258] [INSPIRE].
62. T space, Nucl. Phys. B 511 (1998) 649 [hep-ph/9706526] [INSPIRE].
63. 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] [INSPIRE].
64. H. Ita, Z. Bern, L. Dixon, F. Febres Cordero, D. Kosower et al., Precise Predictions for Z + 4 Jets at Hadron Colliders, Phys. Rev. D 85 (2012) 031501 [arXiv:1108.2229] [INSPIRE].
65. C. Berger, Z. Bern, L.J. Dixon, F. Febres Cordero, D. Forde et al., Precise Predictions for W +4 Jet Production at the Large Hadron Collider, Phys. Rev. Lett. 106 (2011) 092001 [arXiv:1009.2338] [INSPIRE].
66. Z. Bern, L. Dixon, F. Febres Cordero, S. Hoeche, H. Ita et al., Next-to-Leading Order W +5-Jet Production at the LHC,Phys. Rev. D 88(2013)014025[arXiv:1304.1253] [INSPIRE].
67. A. Djouadi, Precision Higgs coupling measurements at the LHC through ratios of production cross sections, Eur. Phys. J. C 73 (2013) 2498 [arXiv:1208.3436] [INSPIRE].
68. F. Goertz, A. Papaefstathiou, L.L. Yang and J. Zurita, Higgs Boson self-coupling measurements using ratios of cross sections, JHEP 06 (2013) 016 [arXiv:1301.3492] [INSPIRE].
69. CMS collaboration, Measurement of the ratio of the inclusive 3-jet cross section to the inclusive 2-jet cross section in pp collisions at √s = 7 TeV and first determination of the strong coupling constant in the TeV range, Eur. Phys. J. C 73 (2013) 2604 [arXiv:1304.7498] [INSPIRE].
70. T. Plehn, D. Rainwater and P.Z. Skands, Squark and gluino production with jets, Phys. Lett. B 645 (2007) 217 [hep-ph/0510144] [INSPIRE].
71. J. Alwall, S. de Visscher and F. Maltoni, QCD radiation in the production of heavy colored particles at the LHC, JHEP 02 (2009) 017 [arXiv:0810.5350] [INSPIRE].
72. M. Whalley, D. Bourilkov and R. Group, The Les Houches accord PDFs (LHAPDF) and LHAGLUE, hep-ph/0508110 [INSPIRE].
73. H.-L. Lai, M. Guzzi, J. Huston, Z. Li, P.M. Nadolsky et al., New parton distributions for collider physics, Phys. Rev. D 82 (2010) 074024 [arXiv:1007.2241] [INSPIRE].
74. R.D. Ball, V. Bertone, S. Carrazza, C.S. Deans, L. Del Debbio et al., Parton distributions with LHC data, Nucl. Phys. B 867 (2013) 244 [arXiv:1207.1303] [INSPIRE].
75. S. Alekhin, J. Blumlein and S. Moch, Parton Distribution Functions and Benchmark Cross Sections at NNLO, Phys. Rev. D 86 (2012) 054009 [arXiv:1202.2281] [INSPIRE].
76. G. Watt, Parton distribution function dependence of benchmark Standard Model total cross sections at the 7 TeV LHC, JHEP 09 (2011) 069 [arXiv:1106.5788] [INSPIRE].
77. R.D. Ball, S. Carrazza, L. Del Debbio, S. Forte, J. Gao et al., Parton Distribution Benchmarking with LHC Data, JHEP 04 (2013) 125 [arXiv:1211.5142] [INSPIRE].
78. R. Thorne and G. Watt, PDF dependence of Higgs cross sections at the Tevatron and LHC: Response to recent criticism, JHEP 08 (2011) 100 [arXiv:1106.5789] [INSPIRE].
79. R. Thorne, Effect of changes of variable flavor number scheme on parton distribution functions and predicted cross sections, Phys. Rev. D 86 (2012) 074017 [arXiv:1201.6180] [INSPIRE].
80. The NNPDF collaboration, R.D. Ball et al., Theoretical issues in PDF determination and associated uncertainties, Phys. Lett. B 723 (2013) 330 [arXiv:1303.1189] [INSPIRE].
81. G. Watt and R. Thorne, Study of Monte Carlo approach to experimental uncertainty propagation with MSTW 2008 PDFs, JHEP 08 (2012) 052 [arXiv:1205.4024] [INSPIRE].
82. A. Martin, A.T. Mathijssen, W. Stirling, R. Thorne, B. Watt et al., Extended Parameterisations for MSTW PDFs and their effect on Lepton Charge Asymmetry from W Decays, Eur. Phys. J. C 73 (2013) 2318 [arXiv:1211.1215] [INSPIRE].
83. G. Watt, Parton Distributions: HERA-Tevatron-LHC, PoS(HCP2009)014 [arXiv:1001.3954] [INSPIRE].
84. R. Thorne, A. Martin, W. Stirling and G. Watt, The Effects of combined HERA and recent Tevatron W → ℓν charge asymmetry data on the MSTW PDFs, PoS(DIS 2010)052 [arXiv:1006.2753] [INSPIRE].
85. ATLAS collaboration, Determination of the strange quark density of the proton from ATLAS measurements of the W → ℓν and Z → ℓℓ cross sections, Phys. Rev. Lett. 109 (2012)012001 [arXiv:1203.4051] [INSPIRE].
86. F. Halzen, Y.S. Jeong and C. Kim, Charge Asymmetry of Weak Boson Production at the LHC and the Charm Content of the Proton, Phys. Rev. D 88 (2013) 073013 [arXiv:1304.0322] [INSPIRE].
87. W. Stirling and E. Vryonidou, Charm production in association with an electroweak gauge boson at the LHC, Phys. Rev. Lett. 109 (2012) 082002 [arXiv:1203.6781] [INSPIRE].
88. ATLAS collaboration, Measurement of the production of a W boson in association with a charm hadron in pp collisions at √s = 7 TeV, Tech. Rep. ATLAS-CONF-2013-045 (2013).
89. CMS collaboration, Measurement of associated W + charm production in pp collisions at √s = 7 TeV, arXiv:1310.1138 [INSPIRE].
90. E. Maina, S. Moretti and D.A. Ross, One loop weak corrections to γ/Z hadroproduction at finite transverse momentum, Phys. Lett. B 593 (2004) 143 [Erratum ibid. B 614 (2005) 216-217] [hep-ph/0403050] [INSPIRE].
91. J.H. Kuhn, A. Kulesza, S. Pozzorini and M. Schulze, Logarithmic electroweak corrections to hadronic Z+1 jet production at large transverse momentum, Phys. Lett. B 609 (2005) 277 [hep-ph/0408308] [INSPIRE]. (Pubitemid 40283269)
92. J.H. Kuhn, A. Kulesza, S. Pozzorini and M. Schulze, One-loop weak corrections to hadronic production of Z bosons at large transverse momenta, Nucl. Phys. B 727 (2005) 368 [hep-ph/0507178] [INSPIRE]. (Pubitemid 41430774)
93. J.H. Kuhn, A. Kulesza, S. Pozzorini and M. Schulze, Electroweak corrections to large transverse momentum production of W bosons at the LHC, Phys. Lett. B 651 (2007) 160 [hep-ph/0703283] [INSPIRE].
94. W. Hollik, T. Kasprzik and B. Kniehl, Electroweak corrections to W-boson hadroproduction at finite transverse momentum, Nucl. Phys. B 790 (2008) 138 [arXiv:0707.2553] [INSPIRE].
95. J.H. Kuhn, A. Kulesza, S. Pozzorini and M. Schulze, Electroweak corrections to hadronic production of W bosons at large transverse momenta, Nucl. Phys. B 797 (2008) 27 [arXiv:0708.0476] [INSPIRE].
96. A. Denner, S. Dittmaier, T. Kasprzik and A. Muck, Electroweak corrections to W + jet hadroproduction including leptonic W-boson decays, JHEP 08 (2009) 075 [arXiv:0906.1656] [INSPIRE].
97. A. Denner, S. Dittmaier, T. Kasprzik and A. Muck, Electroweak corrections to dilepton + jet production at hadron colliders, JHEP 06 (2011) 069 [arXiv:1103.0914] [INSPIRE].
98. J.H. Kuhn, A. Kulesza, S. Pozzorini and M. Schulze, Electroweak corrections to hadronic photon production at large transverse momenta, JHEP 03 (2006) 059 [hep-ph/0508253] [INSPIRE]. (Pubitemid 43536385)
99. U. Baur, Weak Boson Emission in Hadron Collider Processes, Phys. Rev. D 75 (2007) 013005 [hep-ph/0611241] [INSPIRE].
100. W. Stirling and E. Vryonidou, Electroweak corrections and Bloch-Nordsieck violations in 2-to-2 processes at the LHC, JHEP 04 (2013) 155 [arXiv:1212.6537] [INSPIRE].
101. M.L. Mangano and J. Rojo, Cross Section Ratios between different CM energies at the LHC: opportunities for precision measurements and BSM sensitivity, JHEP 08 (2012) 010 [arXiv:1206.3557] [INSPIRE].
102. 0 /γ* + N jets versus N as a precision test of the standard model, Phys. Rev. D 68 (2003) 033014 [hep-ph/0303088] [INSPIRE].
103. C.-H. Kom and W.J. Stirling, Charge asymmetry in W + jets production at the LHC, Eur. Phys. J. C 69 (2010) 67 [arXiv:1004.3404] [INSPIRE].
104. C. Kom and W. Stirling, Charge asymmetry ratio as a probe of quark flavour couplings of resonant particles at the LHC, Eur. Phys. J. C 71 (2011) 1546 [arXiv:1010.2988] [INSPIRE].