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21 papers · 2 filters
Baryon number violation and a new electroweak interaction
M. N. Chernodub, Antti J. Niemi
We introduce a new supercurrent in the electroweak sector of the standard model. Its interaction with the hypergauge field influences the mass of the Z boson but has no effect on t…
Restudy on Dark Matter Time-Evolution in the Littlest Higgs model with T-parity
Qing-Peng Qiao, Jian Tang, Xue-Qian Li
Following previous study, in the Littlest Higgs model (LHM), the heavy photon is supposed to be a possible dark matter candidate and its relic abundance of the heavy photon is esti…
Constraints on Unparticle Interactions from Particle and Antiparticle Oscillations
Shao-Long Chen, Xiao-Gang He, Xue-Qian Li +2
We study unparticle effects on particle and antiparticle osillations in meson-antimeson, and muonium-antimuonium systems. Unlike usual tree level contributions to meson oscillation…
Thermal Unparticles: A New Form of Energy Density in the Universe
Shao-Long Chen, Xiao-Gang He, Xue-Peng Hu +1
Unparticle $\U$ with scaling dimension $d_\U$ has peculiar thermal properties due to its unique phase space structure. We find that the equation of state parameter $ω_\U$, the rati…
A Possibility of Search for New Physics at LHCb
Xiang Liu, Hong-Wei Ke, Qing-Peng Qiao +2
It is interesting to search for new physics beyond the standard model at LHCb. We suggest that weak decays of doubly charmed baryon such as to charmle…
Diquarks and Λ_{b}\toΛ_c weak decays
Hong-Wei Ke, Xue-Qian Li, Zheng-Tao Wei
In this work we investigate the weak semi-leptonic and non-leptonic decays. The light-front quark model and diquark picture for heavy baryons are adopted to evaluate…