CP-sensitive observables of a hypothetical heavy spin-0 particle with the dominant γγ and Zγ-interaction.

[摘要] We study observables sensitive to tensor structure of interactions of a hypothetical heavy spin-0 boson. It is assumed that interactions of this particle are dominated by interactions with photons. The interactions with other vector bosons and quarks are supposed to be suppressed. The above assumptions favor the production of this hypothetical particle through the vector boson fusion mechanism structurally dominated by the photon and Z-interactions. This particle will be produced in association with two light quarks. It is shown that the azimuthal angle difference between the tagging jets provides an observable to probe the tensor structure of the interaction vertices of such hypothetical particle.

[发布机构] National Research Nuclear University MEPhI, Moscow Engineering Physics Institute, Kashirskoe highway 31, Moscow; 115409, Russia^1;Department of Physics, New York University, 4 Washington Place, New York; NY; 10003, United States^2;Department of Physics and Institute for Advanced Study, Hong Kong University of Science and Technology, Hong Kong^3;Physics Department, Manhattan College, 4513 Manhattan College Parkway, New York; NY; 10471, United States^4

[效力级别] 天文学 [学科分类] 天文学(综合)

[关键词] Azimuthal angle;Fusion mechanism;Gammagamma;Interaction vertex;Light quarks;Tensor structures;Vector boson