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hexadecapole
hexadecapole n.
Brit. 
/ˌhɛksəˈdɛkəpəʊl/
, /ˌhɛksəˈdɛkəpəʊl/U.S. /ˌhɛksəˈdɛkəˌpoʊl/
Physics a multipole of order l = 4; frequently attributive or as adj./ˌhɛksəˈdɛkəˌpoʊl/ΘΚΠ
the world > matter > physics > quantum theory > quantum mechanics > quantum electrodynamics > [adjective] > relating to specific moments
quadrupole1922
quadripole1927
multipole1929
octopole1932
monopolar1948
sextupole1950
octupole1954
monopole1962
hexadecapole1969
the world > matter > physics > quantum theory > quantum mechanics > quantum electrodynamics > [noun] > single charge or pole > system of > of specific order
quadrupole1921
quadripole1927
octupole1929
octopole1961
hexadecapole1969
1969 Nucl. Physics A. 129 445 Recently, hexadecapole equilibrium deformations have also been indicated empirically from the analysis of inelastic α-scattering data.
1970 G. K. Woodgate Elem. Atomic Struct. ix. 166 The only multipole (2k-pole) moments which do not vanish are: magnetic dipole (k = 1), electric quadrupole (k = 2), magnetic octupole (k = 3), electric hexadecapole (k = 4), etc.
1973 Nature 13 Apr. 438/1 Current interest is in the measurement of static quadrupole and transition hexadecapole moments which are tell-tale signs of the nuclear charge distribution.
1978 Nature 19 Jan. 212/2 The multipolarities of the resonances were found by making calculations of the angular distributions assuming that the states are monopole, isovector dipole, quadrupole and hexadecapole, corresponding to L = 0, 1, 2 and 4 respectively.
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