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Related papers: Probing Neutral Triple Gauge Couplings at the LHC …

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We study probes of neutral triple gauge couplings (nTGCs) via $Z^*\gamma$ production followed by off-shell decays $Z^*\to\nu\bar{\nu}$ at the LHC and future $pp$ colliders, including both CP-conserving (CPC) and CP-violating (CPV)…

High Energy Physics - Phenomenology · Physics 2024-01-02 John Ellis , Hong-Jian He , Rui-Qing Xiao

Neutral triple gauge couplings (nTGCs) first arise from the dimension-8 operators of the Standard Model Effective Field Theory (SMEFT), rather than the dimension-4 SM Lagrangian and dimension-6 SMEFT operators, opening up a unique window…

High Energy Physics - Phenomenology · Physics 2026-04-10 John Ellis , Hong-Jian He , Rui-Qing Xiao , Shi-Ping Zeng

We study the CP-violating (CPV) neutral triple gauge couplings (nTGCs) that can be realized via dimension-8 operators in the Standard Model Effective Field Theory (SMEFT). We present a new formulation of the CPV nTGC form factors that is…

High Energy Physics - Phenomenology · Physics 2026-04-10 John Ellis , Hong-Jian He , Rui-Qing Xiao

Neutral triple gauge couplings (nTGCs) are absent in the Standard Model (SM) and at the dimension-6 level in the Standard Model Effective Field Theory (SMEFT), arising first from dimension-8 operators. As such, they provide a unique window…

High Energy Physics - Phenomenology · Physics 2024-08-27 Danning Liu , Rui-Qing Xiao , Shu Li , John Ellis , Hong-Jian He , Rui Yuan

Neutral triple gauge couplings (nTGCs) are absent in the standard model effective theory up to dimension-6 operators, but could arise from dimension-8 effective operators. In this work, we study the pure gauge operators of dimension-8 that…

High Energy Physics - Phenomenology · Physics 2021-01-01 John Ellis , Hong-Jian He , Rui-Qing Xiao

We investigate the sensitivity of future high-energy muon colliders to neutral triple gauge couplings (nTGCs) through the process $\mu^{+}\mu^{-}\to\gamma\nu\bar{\nu}$ within the Standard Model Effective Field Theory (SMEFT) framework.…

High Energy Physics - Phenomenology · Physics 2025-12-29 Wei Xie , Ji-Chong Yang

Neutral triple gauge couplings (nTGCs) are manifestation of new physics beyond the Standard Model (SM), as they are absent in the SM and are first generated by dimension-8 operators in the SM Effective Field Theory (SMEFT). We study the UV…

High Energy Physics - Phenomenology · Physics 2025-01-14 John Ellis , Hong-Jian He , Rui-Qing Xiao , Shi-Ping Zeng , Jiaming Zheng

The neutral triple gauge couplings~(nTGCs) provide a unique opportunity to probe new physics beyond the Standard Model. The nTGCs can be described by an effective field theory~(EFT), which is valid only under a certain energy scale. One of…

High Energy Physics - Phenomenology · Physics 2023-10-23 Qing Fu , Ji-Chong Yang , Chong-Xing Yue , Yu-Chen Guo

This study investigates Neutral Triple Gauge Couplings (nTGCs) through $ZZ$ production at future electron-positron colliders. The impact of beam polarization on cross section is analyzed. We compare the signals and backgrounds for five…

High Energy Physics - Phenomenology · Physics 2026-01-28 Yu-Chen Guo , Chun-Jing Pan , Man-Qi Ruan , Ji-Chong Yang

The anomalous neutral triple gauge boson couplings (aNTGCs) for the Z gamma gamma and Z gamma Z vertices described by dimension-eight operators are examined through the process pp to l^{+}l^{-} gamma at the High-Luminosity Large Hadron…

High Energy Physics - Phenomenology · Physics 2020-01-08 A. Senol , H. Denizli , A. Yilmaz , I. Turk Cakir , O. Cakir

A precise knowledge of charged Triple Gauge Couplings (cTGCs) is important for the determination of Higgs couplings and for constraining physics beyond the Standard Model. Future high-energy $e^{+}e^{-}$ colliders could have a significantly…

High Energy Physics - Experiment · Physics 2020-02-10 Jakob Beyer , Robert Karl , Jenny List

We study the sensitivity of anomalous neutral triple gauge couplings ($aNTGC$) via $pp \rightarrow ZZ$ production in the 4$\ell$ channel at 100 TeV centre of mass energy of future circular hadron collider, \verb"FCC-hh". The analysis…

High Energy Physics - Phenomenology · Physics 2020-03-18 A. Yilmaz , A. Senol , H. Denizli , I. Turk Cakir , O. Cakir

Searches for anomalous neutral triple gauge boson couplings (NTGCs) provide important tests for the gauge structure of the standard model. In SMEFT ("standard model effective field theory") NTGCs appear only at the level of dimension-8…

High Energy Physics - Phenomenology · Physics 2024-11-26 Ricardo Cepedello , Fabian Esser , Martin Hirsch , Veronica Sanz

We investigate the measurement of non-standard ZZV (V = {\gamma}, Z) couplings through Z-boson pair production at the $e^+ e^-$ colliders. We adopt Standard Model Effective Field Theory (SMEFT) approach to study these anomalous neutral…

High Energy Physics - Phenomenology · Physics 2025-11-14 Sahabub Jahedi

We study the estimation of anomalous charged triple gauge couplings (cTGCs) parameterized in a model-independent Standard Model effective field theory (SMEFT) framework via $WW$ production followed by semi-leptonic decay at the $e^+e^-$…

High Energy Physics - Phenomenology · Physics 2025-07-31 Sahabub Jahedi , Jayita Lahiri , Amir Subba

A complete and systematic effective field theory analysis of new physics effects in \bar{f}f -> ZZ and \bar{f}f -> \gamma Z is performed. Results are presented for the different initial and final-state polarized differential cross sections…

High Energy Physics - Phenomenology · Physics 2013-04-04 Oscar Cata

The neutral Higgs boson predicted from spontaneous breaking of electroweak symmetry in the standard model (SM) has been discovered. Precision test of the Higgs boson properties is one of the promising ways to study new physics beyond SM.…

High Energy Physics - Phenomenology · Physics 2019-10-08 Junxing Pan , Jung-Hsin Chen , Xiao-Gang He , Gang Li , Jhih-Ying Su

The main goal of modern experiments in high-energy physics area is to find deviations from the Standard Model, the theoretical framework which describes data well but is expected to be extended to a more general theory. The anomalous…

High Energy Physics - Phenomenology · Physics 2025-06-30 Artur E. Semushin , Evgeny Yu. Soldatov , Anastasia S. Kurova

This paper presents the projections on the anomalous neutral triple gauge couplings ($aNTGC$) via $pp \rightarrow ZZ$ production in the 2$\ell$2$\nu$ final state at a 100 TeV proton-proton collider, \verb"FCC-hh". %100 TeV center of mass…

High Energy Physics - Phenomenology · Physics 2021-06-29 Ali Yilmaz

The $ZZ\gamma$ triple neutral gauge couplings are absent in the Standard Model (SM) at the tree level. They receive no contributions from dimension-6 effective operators, but can arise from effective operators of dimension-8. We study the…

High Energy Physics - Phenomenology · Physics 2020-04-10 John Ellis , Shao-Feng Ge , Hong-Jian He , Rui-Qing Xiao
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