Definition: In particle physics, a boson is a type of particle that obeys the rules of Bose-Einstein statistics.omposite Bosons. 1  Mesons-Mesons are formed when two quarks bond together. 2  Since quarks are fermions and have half-integer spins, if two of them are bonded together, then the spin of the resulting particle (which is the sum of the individual spins) would be an integer, making it a boson.
Elk Grove, California. Elk Grove is a city in Sacramento County, California, located just south of the state capital of Sacramento. It is part of the SacramentoâArden-ArcadeâRoseville Metropolitan Statistical Area. As of 2015, the population of the city was estimated at 167,965.
Elkton (GNIS FID: 307946) is a populated place located in St. Johns County at latitude 29.783 and longitude -81.426. The elevation is 33 feet. Elkton appears on the Elkton U.S. Geological Survey Map. St. Johns County is in the Eastern Time Zone (UTC -5 hours). St. Johns County: Cities & Towns | ZIP Codes | Schools | Features (airports, churches, hospitals, etc.