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单词 milliweak
释义

milliweakadj.

Brit. /ˈmɪlɪwiːk/, U.S. /ˈmɪləˌwik/
Origin: Formed within English, by compounding. Etymons: milli- comb. form, weak adj.
Etymology: < milli- comb. form + weak adj. (compare sense 12k s.v.).
Particle Physics.
Designating or relating to the effective strength of the force proposed as responsible for CP violation, which is approximately 1,000 times weaker than other manifestations of the weak force.
ΚΠ
1971 Progress Theoret. Physics 45 1356/1 The present data do not exclude the possible existence of the neutral current with ΔS = 1 of a ‘milli-weak’ level in the coupling strength.
1974 Nature 13 Dec. 569/1 The charge symmetry..may disappear for fields of ∼8 × 1010 gauss if CP violation is milli-weak in character.
1988 Sci. Amer. Feb. 35/2 Such a moderately weak force is called milliweak (it would be roughly 1,000 times weaker than the weak force).
1994 Nucl. Physics B. 415 293 Supersymmetric CP violation can be predominantly ‘superweak’ (i.e., contribute mainly to εK) or ‘milliweak’ (ε′) depending on the chirality of the off-generational squark mass mixings.
This is a new entry (OED Third Edition, March 2002; most recently modified version published online March 2022).
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adj.1971
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