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.

[Q]: A weight of the nth power of this parameter is imputed to contributions to elements of an S matrix by nth-order Feynman diagrams; thus, this number can be considered the order of expansion in perturbative quantum electrodynamics. This constant is a measure of the electron anomalous magnetic moment, which explains its role in the relativistic splitting of atomic spectral lines that is its namesake. The coupling constant for the electromagnetic interactions of electrons, it is equal to the square of the ratio of the electron and Planck charges, or, in cgs units, the electron charge squared divided by the speed of light times Diracs constant. For ten points, name this physical constant usually denoted alpha and equal to about one over one hundred thirty-seven.
[A]: Science


[Q]: Two pianos and six percussionists are featured in one section of its third part, which opens with a chorus of boys who sing that Cupid is flying everywhere. The following section of this work features three glockenspiels and is known as "Blanziflor and Helena. "  Earlier sections include "On the Lawn," which features the German "Reie" dance, and "In Springtime. "  Originally staged in 1937 by the Frankfurt Opera, it begins and ends with a section about the "Imperatrix Mundi. "  FTP, name this orchestral work notable for its blaring "O Fortuna" section, which was based on a medieval manuscript and written by Carl Orff.
[A]: Fine Arts


[Q]: Among this poet's famous lines are "Tis better to have loved and lost / Than never to have loved at all" and "Theirs not to reason why, / Theirs but to do and die". In addition to "In Memoriam A.H.H.," this Poet Laureate under Queen Victoria also wrote "The Lady of Shalott." (*) For 10 points, what 19th-century poet wrote "The Charge of the Light Brigade".
[A]:
Literature