MHV amplitudes - meaning and definition. What is MHV amplitudes
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What (who) is MHV amplitudes - definition


MHV amplitudes         
IN QUANTUM FIELD THEORY, AN AMPLITUDE WITH N MASSLESS EXTERNAL GAUGE BOSONS, WHERE N–2 GAUGE BOSONS HAVE A PARTICULAR HELICITY AND THE OTHER 2 HAVE THE OPPOSITE HELICITY
MHV Amplitudes; CSW rules; Parke–Taylor amplitudes; Parke-Taylor amplitudes
In theoretical particle physics, maximally helicity violating amplitudes (MHV) are amplitudes with n massless external gauge bosons, where n-2 gauge bosons have a particular helicity and the other two have the opposite helicity. These amplitudes are called MHV amplitudes, because at tree level, they violate helicity conservation to the maximum extent possible.
Scattering amplitude         
PROBABILITY AMPLITUDE IN QUANTUM SCATTERING THEORY
Scattering amplitudes
In quantum physics, the scattering amplitude is the probability amplitude of the outgoing spherical wave relative to the incoming plane wave in a stationary-state scattering process.Quantum Mechanics: Concepts and Applications By Nouredine Zettili, 2nd edition, page 623.
amplitude         
  •  [[Wave period]] (not an amplitude)
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PHYSICAL QUANTITY; (OF A PERIODIC VARIABLE) MEASURE OF ITS CHANGE OVER A SINGLE PERIOD (SUCH AS TIME OR SPATIAL PERIOD)
Pulse amplitude; Peak-to-peak; Amplitude (wave motion); Peak amplitude; Peak to peak; Peak value; Wave amplitude; Semi-amplitude; Amplitudes; RMS amplitude; Root mean square amplitude; Root mean square (RMS) amplitude; Root-mean-square amplitude; Amplitude (music); Peak-to-peak amplitude; True RMS voltmeter; Peak level; Peak–trough difference; Peak-trough difference; Peak-trough diff; Peak-trough diff.; Peak–trough diff.; Peak-trough differences; Peak-to-trough differences; Peak–trough differences
(amplitudes)
In physics, the amplitude of a sound wave or electrical signal is its strength. (TECHNICAL)
N-VAR