Publisher’s Note: Measurement of the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>W</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:msup><mml:mi>W</mml:mi><mml:mo>−</mml:mo></mml:msup></mml:math>Production Cross Section and Search for Anomalous<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>W</mml:mi><mml:mi>W</mml:mi><mml:mi>γ</mml:mi></mml:math>and<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>W</

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doi:10.1103/physrevlett.105.019905

Cited by 11 publications

(15 citation statements)

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“…However, the observables in the transverse plane can yet be used to study the TGCs, e.g. the widely used leading p T of the charged lepton products [15,19,20,26]. Analogous to the case at lepton colliders (cf .…”

Section: Constraints At Hadron Colliders and Future Sensitivitiesmentioning

confidence: 99%

“…Direct measurements of the charged TGCs has been implemented on LEP, Tevatron and LHC [14][15][16][17][18][19][20][21][22][23][24][25][26][27], and the current most stringent bounds are mainly from the W pair measurements at LEP II [14], with the aTGCs at the order of magnitude of few times 10 −2 [28,29]. It is expected that the sensitivities would be improved by one to two orders of magnitudes at the International Linear Collider [30], due to the larger luminosity, higher energy and polarized beams.…”

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confidence: 99%

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Prospects for triple gauge coupling measurements at future lepton colliders and the 14 TeV LHC

Bian

Shu

2015

J. High Energ. Phys.

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The W W production is the primary channel to directly probe the triple gauge couplings. We first analyze the e + e − → W + W − process at the future lepton collider, China's proposed Circular Electron-Positron Collider (CEPC). We use the five kinematical angles in this process to constrain the anomalous triple gauge couplings and relevant dimension six operators at the CEPC up to the order of magnitude of 10 −4 . The most sensible information is obtained from the distributions of the production scattering angle and the decay azimuthal angles. We also estimate constraints at the 14 TeV LHC, with both 300 fb −1 and 3000 fb −1 integrated luminosity from the leading lepton p T and azimuthal angle difference ∆φ ll distributions in the di-lepton channel. The constrain is somewhat weaker, up to the order of magnitude of 10 −3 . The limits on the triple gauge couplings are complementary to those on the electroweak precision observables and Higgs couplings. Our results show that the gap between sensitivities of the electroweak and triple gauge boson precision can be significantly decreased to less than one order of magnitude at the 14 TeV LHC, and that both the two sensitivities can be further improved at the CEPC. * Electronic address: lgb@itp.ac.cn † Electronic address: jshu@itp.ac.cn ‡ Electronic address: yczhang@pku.edu.cn Acknowledgements 27A. Constraints on the five most general C and P conserving aTGCs 27 B. Analytical expressions for the coefficients ω i 28 C. Numerical expressions for the coefficients ω i 31References 33

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Section: Constraints At Hadron Colliders and Future Sensitivitiesmentioning

confidence: 99%

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confidence: 99%

Prospects for triple gauge coupling measurements at future lepton colliders and the 14 TeV LHC

Bian

Shu

2015

J. High Energ. Phys.

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“…The relevant leading-order (LO) sub-processes are comprised only of the quark-quark tree-level contributions (2) and the LO Drell-Yan type processes (3), which are the dominant contributions into the inclusive W + W − pair production events at the LHC current center-of-mass energies. These sub-processes are shown as the diagrams (a) and (b) of the Figure 1.…”

Section: Introductionmentioning

confidence: 99%

kt factorization versus collinear factorization in W+W− pair production at the LHC

2020

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In this paper, we calculate the inclusive rate of W + W − pair production through leptonic decay channels W + W − → l + ν l + l − ν l in the k t -factorization framework. We also consider the exclusive W + W − pair production through the one-loop induced gg → H → W + W − channel that is important for the study of new physics beyond the Standard Model. The results are compared with predictions from the Herwig 7 event generator in the collinear factorization framework and with the experimental data from the ATLAS and the CMS collaborations. It will be shown that our predictions for the W + W − boson pair production signals are in agreement with the experimental data as well as the collinear results. a neda.darvishi@manchester.ac.uk

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“…To ascertain the validity of SM it is critical that the W W γ vertex, which is predicted uniquely in SM, be probed to an accuracy consistent with loop level corrections to it. Several experiments [1][2][3][4][5][6][7][8] have measured parameters that probe the W W γ and W W Z vertex, but the accuracy achieved is still insufficient to probe one loop corrections to it within the SM.…”

Section: Introductionmentioning

confidence: 99%

Testing WWγ vertex in radiative muon decay

2019

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Large numbers of muons will be produced at facilities developed to probe lepton flavor violating process µ → eγ. We show that by constructing a suitable asymmetry, radiative muon decay µ → eγνµνe can also be used to test the W W γ vertex at such facilities. The process has two missing neutrinos in the final state and on integrating their momenta, the partial differential decay rate shows no radiation-amplitude-zero. We establish, however, that an easily separable part of the normalized differential decay rate, odd under the exchange of photon and electron energies, does have a zero in the case of standard model (SM). This new type of zero has hitherto not been studied in literature. A suitably constructed asymmetry using this fact, enables a sensitive probe for the W W γ vertex beyond the SM. With a simplistic analysis, we find that the C and P conserving dimension four W W γ vertex can be probed at O(10 −2 ) with satisfactory significance level.

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Publisher’s Note: Measurement of theW+W−Production Cross Section and Search for AnomalousWWγandW

Cited by 11 publications

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Prospects for triple gauge coupling measurements at future lepton colliders and the 14 TeV LHC

Prospects for triple gauge coupling measurements at future lepton colliders and the 14 TeV LHC

kt factorization versus collinear factorization in W+W− pair production at the LHC

Testing WWγ vertex in radiative muon decay

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