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Low-energy elastic (anti)neutrino-nucleon scattering in covariant baryon chiral perturbation theory: 《Frontiers of physics》2024年第6期27-42,共16页Jin-Man Chen Ze-Rui Liang De-Liang Yao; The low-energy antineutrino-and neutrino-nucleon neutral current elastic scattering is studied within the framework of the relativistic SU(2)baryon chiral perturbation theory up to the order of O(p^(3)).We have derive...; 关键词：chiral perturbation theory neutrino-nucleon scattering form factors chiral Lagrangians one-loop amplitude neutral weak current

One-loop contributions for h→ℓℓγ and e−e+→hγ in the U(1)_(B−L) extension of the standard model: 《Chinese Physics C》2024年第5期23-49,共27页Tran Dzung Tri Thanh Huy Nguyen Khiem Hong Phan; Supported by Vietnam National Foundation for Science and Technology Development(NAFOSTED,103.01-2023.16)。; We present one-loop contributions for h→ℓℓγ with ℓ=νe,μ,τ,e,μ and e−e+→hγ in the U(1)_(B−L) extension of the standard model. In the phenomenological results, the signal strengths for h→ℓℓγ at the Large Hadro...; 关键词：Higgs phenomenology one-loop Feynman integrals analytic methods for quantum field theory dimensional regularization future lepton colliders

One-loopformulas for H→Zν_(ι)ν_(ι),forιe,μ,τin't Hooft-Veltman gauge: 《Chinese Physics C》2023年第5期112-131,共20页Dzung Tri Tran Khiem Hong Phan; funded by Vietnam National Foundation for Science and Technology Development(NAFOSTED)under the grant number(103.01-2019.346)。; In this paper,we present analytical results for one-loop contributions to the decay processes H-Zvivi(for I=e,μ,T).The calculations are performed within the Standard Model framework in the't Hooft-Veltman gauge.One-l...; 关键词：Higgs phenomenology one-loop Feynman integrals analytic methods for quantum field theory dimensional regularization future colliders

Generation function for one-loop tensor reduction: 《Communications in Theoretical Physics》2023年第2期98-115,共18页Bo Feng; Chinese NSF funding under Grant Nos.11935013,11947301,12047502(Peng Huanwu Center); For loop integrals,reduction is the standard method.Having an efficient way to find reduction coefficients is an important topic in scattering amplitudes.In this paper,we present the generation functions of reduction ...; 关键词：generation function tensor reduction one-loop integral

General one-loop reduction in generalized Feynman parametrization form: 《Chinese Physics C》2022年第10期60-80,共21页Hongbin Wang; Supported by the National Natural Science Foundation of China(11935013)。; The search for an effective reduction method is one of the main topics in higher loop computation.Recently,an alternative reduction method was proposed by Chen in[1,2].In this paper,we test the power of Chen’s new me...; 关键词：Feynman integral reduction parametrization form one loop integral

Alphabet of one-loop Feynman integrals: 《Chinese Physics C》2022年第9期48-61,共14页Jiaqi Chen Chichuan Ma Li Lin Yang; the National Natural Science Foundation of China(11975030,11635001,11925506)。; In this paper, we present the universal structure of the alphabet of one-loop Feynman integrals. The letters in the alphabet are calculated using the Baikov representation with cuts. We consider both convergent and di...; 关键词：Baikov representation ALPHABET UT basis

Scalar one-loop four-point integral with one massless vertex in loop regularization: 《Communications in Theoretical Physics》2021年第10期132-146,共15页Jin Zhang; The scalar one-loop four-point function with one massless vertex is evaluated analytically by employing the loop regularization method. According to the method, a characteristic scale μs is introduced to regularize t...; 关键词：one-loop four-point integral loop regularization dilogarithm

Equivalence of coefficients extraction of one-loop master integrals: 《Communications in Theoretical Physics》2020年第11期48-56,共9页Yang An Zi-ang Hu Zhongjie Huang Yi Li Xiang Lv; supported by Chinese NSF funding under contract No.11575156。; Now,there have been many different methods to calculate one-loop amplitudes.Two of them are the unitarity cut method and the generalized unitarity cut method.In this short paper,we present an explicit connection betwe...; 关键词：scattering amplitude one loop correction

An Upper Bound on the Higgs Self-Coupling and Higgs Boson Mass from the Positivity Condition of the Mass Matrix: 《Journal of Modern Physics》2015年第4期369-373,共5页Partha Pratim Pal; The actual value of Higgs boson mass is difficult to determine theoretically due to lack of knowledge on the exact value of Higgs self coupling constant l. The purpose of this paper is to obtain an upper bound on the ...; 关键词：ONE-LOOP Effective Potential Standard Model MASS Matrix HIGGS BOSON MASS

Top quark forward-backward asymmetry in the little Higgs model: 《Chinese Physics C》2014年第11期16-21,共6页郭星导张印杰赵树民冯太傅袁煦浩李学潜; Supported by National Natural Science Foundation of China(10975027,11275036,11047002);Natural Science Foundation of Hebei Province(A2013201277,A2011201118);Natural Science Fund of Hebei University(2011JQ05,2007113);open project of State Key Laboratory of Mathematics-Mechanization(Y3KF311CJ1);Natural Science Fund of Hebei University(2011JQ05,2012-242); A sizable difference in top quark pair forward backward asymmetry （AFB） is observed at Tevatron. The discrepancy triggers many new physics beyond the standard model （SM） and then constrains the parameter spaces in...; 关键词：forward-backward asymmetry little Higgs model one-loop diagram Feynman amplitude

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