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- https://phys.libretexts.org/Courses/Prince_Georges_Community_College/PHY_2040%3A_General_Physics_III/07%3A__Special_Relativity/7.3%3A_Relativistic_QuantitiesA velocity-addition formula is an equation that relates the velocities of moving objects in different reference frames.
- https://phys.libretexts.org/Courses/Prince_Georges_Community_College/General_Physics_I%3A_Classical_Mechanics/64%3A_The_Standard_Model/64.02%3A_AntimatterThe antimatter counterpart of the electron is called the positron (e+); for other particles, you just add the prefix anti- (e.g. Whenever a particle of ordinary matter comes in conta...The antimatter counterpart of the electron is called the positron (e+); for other particles, you just add the prefix anti- (e.g. Whenever a particle of ordinary matter comes in contact with its antimatter counterpart, the two particles are destroyed and converted to energy in the form of gamma rays. The amount of energy created is given by Einstein's famous formula, E0=mc2, where m is the sum of the particle masses and c is the speed of light in vacuum.
- https://phys.libretexts.org/Bookshelves/College_Physics/College_Physics_1e_(OpenStax)/31%3A_Radioactivity_and_Nuclear_Physics/31.04%3A_Nuclear_Decay_and_Conservation_LawsNuclear decay has provided an amazing window into the realm of the very small. Nuclear decay gave the first indication of the connection between mass and energy, and it revealed the existence of two o...Nuclear decay has provided an amazing window into the realm of the very small. Nuclear decay gave the first indication of the connection between mass and energy, and it revealed the existence of two of the four basic forces in nature. In this section, we explore the major modes of nuclear decay; and, like those who first explored them, we will discover evidence of previously unknown particles and conservation laws.
- https://phys.libretexts.org/Bookshelves/University_Physics/Radically_Modern_Introductory_Physics_Text_II_(Raymond)/14%3A_Forces_in_Relativity/14.08%3A_Negative_Energies_and_AntiparticlesThis is illustrated in the left panel in Figure \PageIndex6:. In Feynman’s view, this process is equivalent to the scattering of an A particle backward in time by a B particle, the scatt...This is illustrated in the left panel in Figure \PageIndex6:. In Feynman’s view, this process is equivalent to the scattering of an A particle backward in time by a B particle, the scattering of an ˉA backward in time by a B particle, the creation of an ¯AA pair moving backward in time by a ˉB particle (an antiB), and the emission of a B particle by an A particle moving forward in time.
- https://phys.libretexts.org/Bookshelves/University_Physics/Physics_(Boundless)/27%3A__Special_Relativity/27.3%3A_Relativistic_QuantitiesA velocity-addition formula is an equation that relates the velocities of moving objects in different reference frames.
