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ASACUSA sees surprising behaviour of hybrid matter–antimatter atoms in superfluid helium（图）
ASACUSA 超流体氦 物质-反物质原子 混合
2023/5/26
A hybrid matter--–antimatter helium atom containing an antiproton, the proton’s antimatter equivalent, in place of an electron has an unexpected response to laser light when immersed in superfluid hel...
QED model of the radiation escape from the matter
QED model radiation escape the matter Atomic Physics
2012/4/20
A simple model based on QED is presented for the estimation of contribution of the excited level few-photon decays to the radiation escape from the matter in the epoch of the cosmological hydrogen rec...
Flavor unification, dark matter, proton decay and other observable predictions with low-scale $S_4$ symmetry
Flavor symmetries Grand unification Proton decay Intermediate symmetry
2011/1/5
We show how gauge coupling unification is successfully implemented through non- supersym-metric GU ×Gf (GU = SU(5), SO(10); Gf = S4 , SO(3)f , SU(3)f ) at the grand unification scale MU > 1015 GeV usi...
The implications for the Dilaton stabilization problem are investigated when the effective potential for this field is generated by the existence of a massive fermion. The previously evaluated two loo...
Atomic Ionization by keV-scale Pseudoscalar Dark Matter Particles
Atomic Ionization keV-scale Pseudoscalar Dark Matter Particles
2010/3/16
Using the relativistic Hartree-Fock approximation, we calculate the rates of atomic ionization by absorption of pseudoscalar particles in the mass range from 10 to $\sim$ 50 keV. We present numerical ...