In the pion, an up and an anti-down quark yield a particle of only 139.6 MeV of mass energy, while in the rho vector meson the same combination of quarks has a mass of 770 MeV! The masses of C and S are from Serway, and the T and B masses are from descriptions of the experiments in which they were discovered.
Independence Day 2018 is a federal holiday and falls on the fourth of July. The day of the week that the holiday falls on, changes each year. If July 4 is a Saturday, it is observed on Friday, July 3.
Independence Day (July 4th). The American Revolution began in New England, and July 4th is celebrated with fervor and spectacle everywhereâespecially on New England's beaches. America's War of Independence began at Lexington and Concord in 1775, so New Englanders know something about patriotism.Independence Day, the Fourth of July, is celebrated on the day itself (not the nearest weekend), with parades, fireworks displays, speeches, picnics (especially at the beach), and cookouts everywhere.The weather is usually hot, the beer cold, and the food plentiful.ndependence Day, the Fourth of July, is celebrated on the day itself (not the nearest weekend), with parades, fireworks displays, speeches, picnics (especially at the beach), and cookouts everywhere. The weather is usually hot, the beer cold, and the food plentiful.