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.
The True Meaning of the 4th of July and Famous Celebratory Quotes. The 4th of July is an extremely patriotic holiday that can be celebrated in part with Fourth of July quotes. The fourth of July is a day that we celebrate the independence of our country, the United States of America.