Definition of mass gap
117010
What does it mean for a Hamiltonian or system to be gapped or gapless?
83643
Are there prime gaps of every size?
101483
How does the electron jump across "gaps" in its orbital?
51589
Can virtual particle have mass?
39282
The Time That 2 Masses Will Collide Due To Newtonian Gravity
92532
Conservation of Mass during Electron - Positron Annihilation
47638
Mass and Newton's Second Law
76255
Does a gluon have mass or not?
72611
What is the mass density distribution of an electron?
49779
Why do gaps appear in my mesh when I animate it?
33271
Two bodies of finite size treated as two point masses in Newtonian gravity
138818
From which dimensionful constants does proton mass arise?
138012
Why do neutrinos propagate in a mass eigenstate?
62953
Why should mass be attractive in nature?
89724
Where does mass come from in pair production?
107902
Is Kinetic Energy stored as (rest) mass?
60172
How to explain $E=mc^2$ mass defect in fission/fusion?