All observed elementary particles are either fermions or bosons. The observed elementary bosons are all gauge bosons: photons, W and Z bosons, gluons, and the Higgs boson. 1  Photons are the force carriers of the electromagnetic field.2  W and Z bosons are the force carriers which mediate the weak force.he observed elementary bosons are all gauge bosons: photons, W and Z bosons, gluons, and the Higgs boson. 1  Photons are the force carriers of the electromagnetic field. 2  W and Z bosons are the force carriers which mediate the weak force.
Elk Mound is a village in Dunn County, Wisconsin, United States. The population was 878 at the 2010 census. The village is surrounded by the Town of Elk Mound.
Coordinates: 40Â°50â²N 115Â°46â²W / 40.833Â°N 115.767Â°W / 40.833; -115.767 Elko (Shoshoni: Natakkoa, Rocks Piled on One Another) is the largest city and county seat of Elko County, Nevada, United States. The population was 18,297 at the 2010 census. The city straddles the Humboldt River. Elko is the principal city of the Elko Micropolitan Statistical Area, a micropolitan area that covers Elko and Eureka counties. It is the largest city for over 130 miles (210 km) in all directions, making it, as its city motto states, The Heart of Northeast Nevada.