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.
Top to bottom, left to right: Newburgh riverfront, Angel Mounds, Newburgh Country Store, Re-enactors of the Newburgh Raid, town welcome sign, and Exchange Hotel. Newburgh is a town in Ohio Township, Warrick County, Indiana, United States, located just east of Evansville, Indiana along the Ohio River.