Anomalous WWγ couplings with beam polarization at the Compact Linear Collider

Arı, V.; Billur, A. A.; İnan, S. C.; Köksal, M.

doi:10.1016/j.nuclphysb.2016.02.029

Cited by 19 publications

(8 citation statements)

References 52 publications

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“…Another possible theory direction is related to the many applications of polarised beams of electrons and photons: in fundamental research, for example at upcoming colliders [1094,1095] and in applications such as studies of surface physics [1096]. In the intense background context, there is an interest in understanding how the shape of the field (e.g.…”

Section: First Order Processesmentioning

confidence: 99%

Advances in QED with intense background fields

Fedotov¹,

Ilderton²,

Karbstein³

et al. 2022

Preprint

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Upcoming and planned experiments combining increasingly intense lasers and energetic particle beams will access new regimes of nonlinear, relativistic, quantum effects. This improved experimental capability has driven substantial progress in QED in intense background fields. We review here the advances made during the last decade, with a focus on theory and phenomenology. As ever higher intensities are reached, it becomes necessary to consider processes at higher orders in both the number of scattered particles and the number of loops, and to account for non-perturbative physics (e.g. the Schwinger effect), with extreme intensities requiring resummation of the loop expansion. In addition to increased intensity, experiments will reach higher accuracy, and these improvements are being matched by developments in theory such as in approximation frameworks, the description of finite-size effects, and the range of physical phenomena analysed. Topics on which there has been substantial progress include: radiation reaction, spin and polarisation, nonlinear quantum vacuum effects and connections to other fields including physics beyond the Standard Model.

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Section: First Order Processesmentioning

confidence: 99%

Advances in QED with intense background fields

Fedotov¹,

Ilderton²,

Karbstein³

et al. 2022

Preprint

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“…[14,15,18,26]. The prospective sensitivities of future accelerators such as the HL-LHC, the ILC and FCCee have also been estimated [30][31][32][35][36][37][38][39][40][41][42][43][44][45][46][47][48][49].…”

Section: Introductionmentioning

confidence: 99%

Dimension-6 operator analysis of the CLIC sensitivity to new physics

Ellis

Roloff

Sanz

et al. 2017

J. High Energ. Phys.

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Abstract:We estimate the possible accuracies of measurements at the proposed CLIC e + e − collider of Higgs and W + W − production at centre-of-mass energies up to 3 TeV, incorporating also Higgsstrahlung projections at higher energies that had not been considered previously, and use them to explore the prospective CLIC sensitivities to decoupled new physics. We present the resulting constraints on the Wilson coefficients of dimension-6 operators in a model-independent approach based on the Standard Model effective field theory (SM EFT). The higher centre-of-mass energy of CLIC, compared to other projects such as the ILC and CEPC, gives it greater sensitivity to the coefficients of some of the operators we study. We find that CLIC Higgs measurements may be sensitive to new physics scales Λ = O(10) TeV for individual operators, reduced to O(1) TeV sensitivity for a global fit marginalising over the coefficients of all contributing operators. We give some examples of the corresponding prospective constraints on specific scenarios for physics beyond the SM, including stop quarks and the dilaton/radion.

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“…Another possible theory direction is related to the many applications of polarised beams of electrons and photons: in fundamental research, for example at upcoming colliders [1113,1114] and in applications such as studies of surface physics [1115]. In the intense background context, there is an interest in understanding how the shape of the field (e.g.…”

Section: First Order Processesmentioning

confidence: 99%