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.
Elk Rapids is a village in Antrim County in the U.S. state of Michigan. The population was 1,700 at the 2000 census. The village is located within Elk Rapids Township, about 15 miles (24 km) north of Traverse City. It is physically split by the Elk River, which runs between nearby Elk Lake and Grand Traverse Bay.