53 citations · 363 across the 29 of their papers we have counts for
15 papers · 1 filter
Associated Production of Neutrino and Dark Fermion at Future Lepton Colliders
Shao-Feng Ge, Kai Ma, Xiao-Dong Ma +1
Fermionic dark matter can be pairly produced and hence searched with missing energy at colliders. We extend such probe to the associated production of a neutrino and a dark sector…
Mono- Production of a Vector Dark Matter at Future Collider
Kai Ma
Associated production of a dark particle and a photon, represented as a mono- event, is a promising channel to probe particle contents and dynamics in the dark sector. In this p…
Hadron Collider Probes of the Quartic Couplings of Gluons to the Photon and Boson
John Ellis, Shao-Feng Ge, Kai Ma
We explore the experimental sensitivities of measuring the process at the LHC to the dimension-8 quartic couplings of gluon pairs to the boson and photon,…
Polarization and Correlation Effects in Lepton Flavor Violated Decays Induced by Axion-Like Particle
Kai Ma
Lepton flavor violated processes are strongly suppressed in the Standard Model, but can be sizable in some extended models. The current experimental bounds on decay modes $\ell'^{\…
Signatures of toponium formation in LHC run 2 data
Benjamin Fuks, Kaoru Hagiwara, Kai Ma +1
We study reported deviations between observations and theoretical predictions associated with the production of a pair of di-leptonically decaying top quarks at the LHC, and we exa…
Kinematical Observables in Semi-Invisible Decays
Kai Ma
Invisible particles frequently appear in final state in studying physics at colliders. Experimental precision is also low in measuring missing energy. In this paper, we propose a g…
Chiral Spin Noncommutative Space and Anomalous Dipole Moments
Kai Ma
We introduce a new model of spin noncommutative space in which noncommutative extension of the coordinate operators are assumed to be chirality dependent. Noncommutative correspond…
Enhancing Measurement of the Yukawa Interactions of Top-Quark at Collider
Kai Ma
It is well known that -violating coupling of the Yukawa interaction of top-quark is a promising candidate of a new source of violation effect. Precisely measurement of its…
Closing in on the chargino contribution to the muon g-2 in the MSSM: current LHC constraints
Kaoru Hagiwara, Kai Ma, Satyanarayan Mukhopadhyay
We revisit the current LHC constraints on the electroweak-ino sector parameters in the minimal supersymmetric standard model (MSSM) that are relevant to explaining the an…
Asymmetry Observables for Measuring Spin Correlations in Top-Quark Pair Production
Kai Ma
Spin correlations between top-quark and anti-top-quark in pair production are sensitive to physics beyond the standard model. A complete set of observables, that can be used to mea…
Constrains of Charge-to-Mass Ratios on Noncommutative Phase Space
Kai Ma
Based on recent measurements on the charge-to-mass ratios of proton and anti-proton, we study constraints on the parameters of noncommutative phase space. We find that while the li…
Probing CP violation in at the LHC
Kaoru Hagiwara, Kai Ma, Shingo Mori
We propose a novel method to reconstruct event by event the full kinematics of the cascade decay process, , which allows us to measure the $τ^…
Probing the noncommutative effects of phase space in the time-dependent Aharonov-Bohm effect
Kai Ma, Jian-Hua Wang, Huan-Xiong Yang
We study the noncommutative corrections on the time-dependent Aharonov-Bohm effect when both the coordinate-coordinate and momentum-momentum noncommutativities are considered. This…
Probing CP violation in production of the Higgs boson and toponia
Kaoru Hagiwara, Kai Ma, Hiroshi Yokoya
We study the CP violation in the Higgs boson and toponia production process at the ILC where the toponia are produced near the threshold. With the approximation that the production…
and colliding in noncommutative space
Jianhua wang, Kang Li, Sayipjamal Dulat +2
By studying the scattering process of scalar particle pion on the noncommutative scalar quantum electrodynamics, the non-commutative amendment of differential scattering cross-sect…