Model-independent limits for anomalous triple gauge bosons W+W-γ couplings at the CLIC

被引：0

作者：

Billur, A. A. ^{[1
]}

Koksal, M. ^{[2
]}

Gutierrez-Rodriguez, A. ^{[3
,4
]}

Hernandez-Ruiz, M. A. ^{[5
]}

机构：

[1] Sivas Cumhuriyet Univ, Dept Phys, TR-58140 Sivas, Turkey

[2] Sivas Cumhuriyet Univ, Dept Opt Engn, TR-58140 Sivas, Turkey

[3] Univ Autonoma Zacatecas, Fac Fis, Apartado Postal C-580, Zacatecas 98060, Zacatecas, Mexico

[4] Univ Autonoma Zacatecas, Unidad Academ Estudios Nucl, Zacatecas 98060, Zacatecas, Mexico

[5] Univ Autonoma Zacatecas, Unidad Acad Ciencias Quim, Apartado Postal C-585, Zacatecas 98060, Zacatecas, Mexico

来源：

EUROPEAN PHYSICAL JOURNAL PLUS | 2021年 / 136卷 / 06期

关键词：

WW-GAMMA; PP COLLISIONS; POLARIZATION; CONSTRAINTS; BEAMS; PAIR; ATLAS;

D O I：

10.1140/epjp/s13360-021-01684-6

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

In this study, we investigate the potential of the gamma gamma -> W+W-, e(+)gamma -> e(+)gamma*gamma -> e(+)W(-)W(+) and e(+)e(-) -> e(+)gamma*gamma*e(-) -> e(+)W(-)W(+)e(-) processes at the Compact Linear Collider (CLIC) operating in gamma gamma, gamma*gamma and gamma*gamma* modes to probe the anomalous triple gauge bosons W+W-gamma couplings. To identify the W+W- production in the final state, we consider the leptonic, semi-leptonic and hadronic decays channels. Based on future CLIC data, we assume L = 1ab(-1)@root s = 0.380TeV, L = 2.5ab-1@root s = 1.5TeV, L = 5ab(-1)@root s = 3TeV and delta(sys) = 0%, 5%, 10%, 15% for our study. Using these data, the strongest limits expected with the gamma gamma -> W+W-, e(+)gamma -> e(+)gamma*gamma -> e(+)W(-)W(+) and e(+)e(-)-> e+gamma*gamma*e(-)-> e(+)W(-)W(+)e(-) processes on the anomalous Delta kappa(gamma) and lambda(gamma) couplings with delta(sys) = 0% at 95% C.L. are: Delta kappa(gamma) = +/- 0.00007, lambda(gamma) = [-0.00004, 0.00102], Delta kappa(gamma) = +/- 0.00015, lambda gamma = [-0.00013,0.00340] and Delta kappa(gamma) = [-0.00048,0.00049], lambda(gamma)=[-0.00048,0.00782]. The bounds for Delta kappa(gamma) and lambda(gamma) with delta(sys) = 5%, 10%, 15% are weaker with respect to the bounds obtained with delta(sys) = 0%. These limits show potential sensitivity when compared with those from LHC and HL-LHC data and can be a very promising option to probe the anomalous W+W-gamma couplings at the CLIC. In addition, a prominent advantage of these processes is that they isolate anomalous W+W-gamma couplings, thus allowing the study of W+W-gamma couplings independently from W(+)W(-)Z.

引用

页数：32

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