3 papers
hep-ph2024
Laboratory constraint on the electric charge of the neutron and the neutrino
Savely G. Karshenboim
We revisit constraints on the electric charge of the neutron and neutrino as well as on e_p+e_e. We consider phenomenological constraints based on laboratory study of the electrica…
physics.hist-ph2024
A dual concept of the angle in mathematics and practice
Savely G. Karshenboim
We consider the angle in mathematics and arrive at a conclusion that there are two concepts on the issue. One is a descriptive geometrical one, while the other is from functional a…
physics.class-ph2024
Quantity and quantitative properties in physics and metrology
Savely G. Karshenboim
I discuss various aspects of the concept of a quantity in physics and metrology and related consideration in reference documents of IUPAP, IUPAC, ISO, IEC, and JCGM.