In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

The electron dipole moment of this particle is at most three times ten to the negative 26th, and would violate CPT-symmetry if it is non-zero. This particle has a half-life of 881 seconds, and can break up into a proton, an electron and an electron antineutrino via beta decay. This particle is composed of one (*) up and two down quarks, and nuclear fission is initiated by the bombardment of this particle. The number of this particle dictates what isotope an atom is, and they have mass roughly equal to that of a proton. James Chadwick discovered, for ten points, what particle found in the nucleus, which, as its name suggests, has a net charge of zero
Science

Koussevitsky commissioned this man to write his Symphony for Organ and Orchestra. He wrote an opera that opens with the arrival of Laurie Moss' graduation gown. Three ascending notes in the brass open a work by this man that debuted at tax time. He quoted folk songs like "Camptown Races" in a work that incorporates spoken-word readings of texts like the Gettysburg Address. He used themes from the Shaker hymn "Simple Gifts" for ballet choreographed by Martha Graham. Another of his ballets contains a "Hoe Down. " He composed Fanfare for the Common Man and the ballets Rodeo and Billy the Kid. For 10 points, name this composer of Appalachian Spring.
Fine Arts

This mans brother was a general who won victories at the Battle of the Angivarian Wall and the Battle of the Weser River. Early in this rulers reign, he had to put down the rebellion of Scribonianus in Dalmatia. That same year, he formally annexed Phamphylia and Lycia as Roman provinces. Forces he sent to another future province did battle with Caratacus under the command of the general Aulus Plautius, and he himself was present at the surrender of Camulodonum, the last British stronghold. His dysfunctional personal life included one wife who had an affair with Silius, whom he executed, and a wife named Aggripina, who may have killed him with poisoned mushrooms. For ten points, name this Roman Emperor, a noted scholar who ruled between Caligula and Nero.

History