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Bounds on the electromagnetic dipole moments through the single top production at the CLIC

2016/02/18 by M Koksal, M. Köksal, A. A. Billur +5
Engineering · Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #Particle Accelerators and Free-Electron Lasers #Particle physics theoretical and experimental studies #Superconducting Materials and Applications #hep-ph

paper · pdf · doi:10.48550/arxiv.1602.05991

26 pages, 6 figures. arXiv admin note: text overlap with arXiv:1412.2094

openalex publication_date 2016/02/18 · arxiv created 2017/01/19 · arxiv updated 2017/01/23 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

We obtain bounds on the anomalous magnetic and electric dipole moments of the t-quark from a future high-energy and high-luminosity linear electron positron collider, such as the CLIC, with unpolarized and polarized electron beams which are a powerful tool to determine new physics. We consider the processes γe- → t bνe (γ is the Compton backscattering photon) and e+e- → e-γ^* e+ → t bνe e+ (γ^* is the Weizsacker-Williams photon) which are one of the most important sources of single top quark production. For the systematic uncertainties of δsys=0%,\hspace1mm5%, b-tagging efficiency=0.8, center-of-mass energy of √(s)=3\hspace0.8mmTeV, integrated luminosity of \cal L=2\hspace0.5mmab-1 and 2σ\hspace1mm(3σ) C.L. the future e+e- collider may put bounds on the electromagnetic dipole moments aV and aA of the top quark of the order of \cal O(10-2-10-1), which are highly competitive with those recently reported in previous studies.

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