query: Particle annihilation - mathematical description, equations governing it?
positive_passages.docid: 20067
positive_passages.text: What is the mechanism of particle anti-particle annihilation
negative_passages.docid: 118153
negative_passages.text: Neutrino annihilation and bosons
negative_passages.docid: 149215
negative_passages.text: Does a particle annihilate only with its antiparticle? If yes, why?
negative_passages.docid: 58072
negative_passages.text: The formal solution of the time-dependent Schrödinger equation
negative_passages.docid: 120820
negative_passages.text: Why, in spin sums, we sum over final spin states and average over initial states?
negative_passages.docid: 94723
negative_passages.text: Are there any physics formulas with high/large exponents?
negative_passages.docid: 135728
negative_passages.text: Why during annihilation of an electron and positron 2 gamma rays are produced instead of 1?
negative_passages.docid: 82927
negative_passages.text: What is "pure energy" in matter-antimatter annihilation made of?
negative_passages.docid: 36192
negative_passages.text: Are virtual particles only a fictive tool in equations?
negative_passages.docid: 137152
negative_passages.text: Free particle Schrodinger equation: propagator
negative_passages.docid: 59657
negative_passages.text: On the nature of the collapse of the wave function
negative_passages.docid: 128937
negative_passages.text: Lie theory and particle physics
negative_passages.docid: 1330
negative_passages.text: Fermions, different species and (anti-)commutation rules
negative_passages.docid: 92532
negative_passages.text: Conservation of Mass during Electron - Positron Annihilation
negative_passages.docid: 28057
negative_passages.text: Deriving $p = mv$ from translational symmetry (momentum conservation law)?
negative_passages.docid: 62387
negative_passages.text: What are independent parameters in Hellmann–Feynman theorem?
negative_passages.docid: 26817
negative_passages.text: Quantum Field Theory from a mathematical point of view