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 City is the oldest town in Montgomery County and was established on the Deminished Reserve of the Osage Indians. located in Montgomery County on the rich bottomland of the Elk River which runs just south of town. Our valley is surrounded by the stone and oak covered hills that uniquely identify this part of Kansas. Elk City Lake State Park. this beautiful park offers great fishing, hiking, camping, and deer hunting.