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History of LHCTopWG Summary Plots:

tXu coupling summary

Summary of the current 95% confidence level observed limits on the branching ratios of the top quark decays via flavour changing neutral currents (FCNC) to an up quark and a neutral boson t->Xu (X=g, Z, γ or H). The coloured lines represent the results from HERA (the most stringent limits between the ones obtained by the H1 and ZEUS collaborations, in brown), LEP (combined ALEPH, DELPHI, L3 and OPAL collaborations result, in green), TEVATRON (the most stringent limits between the ones obtained by the CDF and D0 collaborations, in grey). The yellow area represents the region excluded by the individual ATLAS and the CMS Collaborations standalone, no statistical combinations between any LHC measurements are performed. Each limit assumes that all other FCNC processes vanish. The limits are expressed as FCNC top decay branching ratios, but several are obtained considering both FCNC top quark decay and FCNC top quark production vertices.
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PDF

November 2022

Summary of the current 95% confidence level observed limits on the branching ratios of the top quark decays via flavour changing neutral currents (FCNC) to an up quark and a neutral boson t->Xu (X=g, Z, γ or H). The coloured lines represent the results from HERA (the most stringent limits between the ones obtained by the H1 and ZEUS collaborations, in brown), LEP (combined ALEPH, DELPHI, L3 and OPAL collaborations result, in green), TEVATRON (the most stringent limits between the ones obtained by the CDF and D0 collaborations, in grey). The yellow area represents the region excluded by the individual ATLAS and the CMS Collaborations standalone, no statistical combinations between any LHC measurements are performed. Each limit assumes that all other FCNC processes vanish. The limits are expressed as FCNC top decay branching ratios, but several are obtained considering both FCNC top quark decay and FCNC top quark production vertices.
PNG
PDF

June 2022

Summary of the current 95% confidence level observed limits on the branching ratios of the top quark decays via flavour changing neutral currents (FCNC) to an up quark and a neutral boson t->Xu (X=g, Z, γ or H). The coloured lines represent the results from HERA (the most stringent limits between the ones obtained by the H1 and ZEUS collaborations, in brown), LEP (combined ALEPH, DELPHI, L3 and OPAL collaborations result, in green), TEVATRON (the most stringent limits between the ones obtained by the CDF and D0 collaborations, in grey). The yellow area represents the region excluded by the individual ATLAS and the CMS Collaborations standalone, no statistical combinations between any LHC measurements are performed. Each limit assumes that all other FCNC processes vanish. The limits are expressed as FCNC top decay branching ratios, but several are obtained considering both FCNC top quark decay and FCNC top quark production vertices.
PNG
PDF

March 2022

Summary of the current 95% confidence level observed limits on the branching ratios of the top quark decays via flavour changing neutral currents to a n up quark and a neutral boson t->Xu (X=g, Z, γ or H). The coloured lines represent the results from HERA (the most stringent limits between the ones obtained by the H1 and ZEUS collaborations, in brown), LEP (combined ALEPH, DELPHI, L3 and OPAL collaborations result, in green), TEVATRON (the most stringent limits between the ones obtained by the CDF and D0 collaborations, in grey). The yellow area represents the region excluded by the ATLAS and the CMS Collaborations. The ATLAS limits on t → q are valid for the case of a purely left-handed coupling.
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PDF

December 2021

Summary of the current 95% confidence level observed limits on the branching ratios of the top quark decays via flavour changing neutral currents to a n up quark and a neutral boson t->Xu (X=g, Z, γ or H). The coloured lines represent the results from HERA (the most stringent limits between the ones obtained by the H1 and ZEUS collaborations, in brown), LEP (combined ALEPH, DELPHI, L3 and OPAL collaborations result, in green), TEVATRON (the most stringent limits between the ones obtained by the CDF and D0 collaborations, in grey). The yellow area represents the region excluded by the ATLAS and the CMS Collaborations. The ATLAS limits on t → q are valid for the case of a purely left-handed coupling.
PNG
PDF

September 2021

Summary of the current 95% confidence level observed limits on the branching ratios of the top quark decays via flavour changing neutral currents to a n up quark and a neutral boson t->Xu (X=g, Z, γ or H). The coloured lines represent the results from HERA (the most stringent limits between the ones obtained by the H1 and ZEUS collaborations, in brown), LEP (combined ALEPH, DELPHI, L3 and OPAL collaborations result, in green), TEVATRON (the most stringent limits between the ones obtained by the CDF and D0 collaborations, in grey). The yellow area represents the region excluded by the ATLAS and the CMS Collaborations. The ATLAS limits on t → q are valid for the case of a purely left-handed coupling.
PNG
PDF

September 2020

Summary of the current 95% confidence level observed limits on the branching ratios of the top quark decays via flavour changing neutral currents to a n up quark and a neutral boson t->Xu (X=g, Z, γ or H). The coloured lines represent the results from HERA (the most stringent limits between the ones obtained by the H1 and ZEUS collaborations, in brown), LEP (combined ALEPH, DELPHI, L3 and OPAL collaborations result, in green), TEVATRON (the most stringent limits between the ones obtained by the CDF and D0 collaborations, in grey). The yellow area represents the region excluded by the ATLAS and the CMS Collaborations. The ATLAS limits on t → q are valid for the case of a purely left-handed coupling.
PNG
PDF

September 2019

Flavour Changing Neutral Current decays
Summary of the current 95% confidence level observed limits on the branching ratios of the top quark decays via flavour changing neutral currents to a n up quark and a neutral boson t->Xu (X=g, Z, γ or H). The coloured lines represent the results from HERA (the most stringent limits between the ones obtained by the H1 and ZEUS collaborations, in brown), LEP (combined ALEPH, DELPHI, L3 and OPAL collaborations result, in green), TEVATRON (the most stringent limits between the ones obtained by the CDF and D0 collaborations, in grey). The yellow area represents the region excluded by the ATLAS and the CMS Collaborations.
PNG
PDF

September 2018

Summary of the current 95% confidence level observed limits on the branching ratios of the top quark decays via flavour changing neutral currents to a n up quark and a neutral boson t->Xu (X=g, Z, γ or H). The coloured lines represent the results from HERA (the most stringent limits between the ones obtained by the H1 and ZEUS collaborations, in brown), LEP (combined ALEPH, DELPHI, L3 and OPAL collaborations result, in green), TEVATRON (the most stringent limits between the ones obtained by the CDF and D0 collaborations, in grey). The yellow area represents the region excluded by the ATLAS and the CMS Collaborations.
PNG
PDF

May 2018

Summary of the current 95% confidence level observed limits on the branching ratios of the top quark decays via flavour changing neutral currents to a n up quark and a neutral boson t->Xu (X=g, Z, γ or H). The coloured lines represent the results from HERA (the most stringent limits between the ones obtained by the H1 and ZEUS collaborations, in brown), LEP (combined ALEPH, DELPHI, L3 and OPAL collaborations result, in green), TEVATRON (the most stringent limits between the ones obtained by the CDF and D0 collaborations, in grey). The yellow area represents the region excluded by the ATLAS and the CMS Collaborations.
PNG
PDF

November 2017

Summary of the current 95% confidence level observed limits on the branching ratios of the top quark decays via flavour changing neutral currents to a n up quark and a neutral boson t->Xu (X=g, Z, γ or H). The coloured lines represent the results from HERA (the most stringent limits between the ones obtained by the H1 and ZEUS collaborations, in brown), LEP (combined ALEPH, DELPHI, L3 and OPAL collaborations result, in green), TEVATRON (the most stringent limits between the ones obtained by the CDF and D0 collaborations, in grey). The yellow area represents the region excluded by the ATLAS and the CMS Collaborations.
PNG
PDF

September 2017

Summary of the current 95% confidence level observed limits on the branching ratios of the top quark decays via flavour changing neutral currents to a n up quark and a neutral boson t->Xu (X=g, Z, γ or H). The coloured lines represent the results from HERA (the most stringent limits between the ones obtained by the H1 and ZEUS collaborations, in brown), LEP (combined ALEPH, DELPHI, L3 and OPAL collaborations result, in green), TEVATRON (the most stringent limits between the ones obtained by the CDF and D0 collaborations, in grey). The yellow area represents the region excluded by the ATLAS and the CMS Collaborations.
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November 2016

-- MartijnMulders - 2018-04-05 -- MariaAldaya - 2021-10-07 -- MariaAldaya - 2022-02-04 -- MariaAldaya - 2022-04-04 -- MariaAldaya - 2022-08-29 -- WolfgangWagner - 2022-11-24

Attachments Attachments
Topic attachments
I Attachment History Action Size Date Who Comment
PDFpdf fcnc_tXu_dec21.pdf r1 manage 19.6 K 2022-02-04 - 10:52 MariaAldaya  
PNGpng fcnc_tXu_dec21.png r1 manage 156.6 K 2022-02-04 - 10:52 MariaAldaya  
PDFpdf fcnc_tXu_mar22.pdf r1 manage 20.2 K 2022-04-04 - 17:36 MariaAldaya  
PNGpng fcnc_tXu_mar22.png r1 manage 155.8 K 2022-04-04 - 17:36 MariaAldaya  
PDFpdf fcnc_tXu_may18.pdf r1 manage 19.2 K 2018-05-27 - 21:20 MartijnMulders  
PNGpng fcnc_tXu_may18.png r1 manage 56.2 K 2018-05-27 - 21:20 MartijnMulders  
PDFpdf fcnc_tXu_may22.pdf r1 manage 20.2 K 2022-08-29 - 18:55 MariaAldaya  
PNGpng fcnc_tXu_may22.png r1 manage 155.9 K 2022-08-29 - 18:55 MariaAldaya  
PDFpdf fcnc_tXu_nov16.pdf r1 manage 19.1 K 2018-04-05 - 13:29 MartijnMulders  
PNGpng fcnc_tXu_nov16.png r1 manage 59.2 K 2018-04-05 - 13:29 MartijnMulders  
PDFpdf fcnc_tXu_nov17.pdf r1 manage 19.2 K 2018-04-05 - 13:29 MartijnMulders  
PNGpng fcnc_tXu_nov17.png r1 manage 286.7 K 2018-04-05 - 13:29 MartijnMulders  
PDFpdf fcnc_tXu_nov22.pdf r1 manage 19.7 K 2022-11-24 - 10:56 WolfgangWagner  
PNGpng fcnc_tXu_nov22.png r1 manage 157.8 K 2022-11-24 - 10:56 WolfgangWagner  
PDFpdf fcnc_tXu_sep17.pdf r1 manage 19.1 K 2018-04-05 - 13:29 MartijnMulders  
PNGpng fcnc_tXu_sep17.png r1 manage 175.2 K 2018-04-05 - 13:29 MartijnMulders  
PDFpdf fcnc_tXu_sep18.pdf r1 manage 19.2 K 2018-10-01 - 10:13 MartijnMulders  
PNGpng fcnc_tXu_sep18.png r1 manage 56.8 K 2018-10-01 - 10:13 MartijnMulders  
PDFpdf fcnc_tXu_sep19.pdf r1 manage 19.6 K 2019-11-13 - 11:11 ReinhardSchwienhorst  
PNGpng fcnc_tXu_sep19.png r1 manage 156.7 K 2019-11-13 - 11:11 ReinhardSchwienhorst  
PDFpdf fcnc_tXu_sep20.pdf r1 manage 20.2 K 2020-09-15 - 11:40 MariaAldaya  
PNGpng fcnc_tXu_sep20.png r1 manage 157.0 K 2020-09-15 - 11:40 MariaAldaya  
PDFpdf fcnc_tXu_sep21.pdf r1 manage 19.6 K 2021-10-07 - 17:00 MariaAldaya  
PNGpng fcnc_tXu_sep21.png r1 manage 156.1 K 2021-10-07 - 17:00 MariaAldaya  
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Topic revision: r10 - 2022-11-24 - WolfgangWagner
 
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