K mesonn.

Forms: Also (rare) k meson.

Etymology: < K (in K-particle n.) + meson n.³

Nuclear Physics.

= kaon n.

ΘΚΠ

the world > matter > physics > atomic physics > particle physics > particle participating in strong interaction > meson > [noun] > kaon

K-particle1949

V1950

K meson1954

kaon1958

1954 Philos. Mag. 45 1219 The mass of the K-meson, measured by ionization-range is 970 ±100 m_e.

1954 Physical Rev. 94 1794/2 All the K mesons observed lived at least 2 × 10^—9 sec before coming to rest in the emulsion.

1964 Listener 30 Apr. 711/1 Usually the beams consist of particles called pi-mesons which have 270 times the mass of the electron, or the more exotic K-mesons with about 1,000 electron masses. K-meson beams have been particularly valuable recently in the production of further new particles.

1968 M. S. Livingston Particle Physics iv. 81 The new particles were of two basic types: k mesons with mass values less than nucleon mass, now called kaons; and hyperons, with masses greater than the nucleon mass.

1973 L. J. Tassie Physics Elem. Particles ix. 84 There are two kinds of neutral K-mesons, the K° and the K°.

Derivatives

K-ˈmesic adj. = kaonic adj.

ΘΚΠ

the world > matter > physics > atomic physics > particle physics > particle participating in strong interaction > meson > [adjective] > relating to kaon

K-mesic1958

kaonic1965

1958 Philos. Mag. 3 33 Negative K-mesons captured by the heavy nuclei in nuclear emulsion form K-mesic atoms.

1967 Comments Nucl. & Particle Physics I. 112 K-mesic x-rays from Li, Be, B, and C.

This entry has not yet been fully updated (first published 1976; most recently modified version published online March 2021).

单词	k meson
释义	K mesonn. Forms: Also (rare) k meson. Etymology: < K (in K-particle n.) + meson n.³ Nuclear Physics. = kaon n. ΘΚΠ the world > matter > physics > atomic physics > particle physics > particle participating in strong interaction > meson > [noun] > kaon K-particle1949 V1950 K meson1954 kaon1958 1954 Philos. Mag. 45 1219 The mass of the K-meson, measured by ionization-range is 970 ±100 m_e. 1954 Physical Rev. 94 1794/2 All the K mesons observed lived at least 2 × 10^—9 sec before coming to rest in the emulsion. 1964 Listener 30 Apr. 711/1 Usually the beams consist of particles called pi-mesons which have 270 times the mass of the electron, or the more exotic K-mesons with about 1,000 electron masses. K-meson beams have been particularly valuable recently in the production of further new particles. 1968 M. S. Livingston Particle Physics iv. 81 The new particles were of two basic types: k mesons with mass values less than nucleon mass, now called kaons; and hyperons, with masses greater than the nucleon mass. 1973 L. J. Tassie Physics Elem. Particles ix. 84 There are two kinds of neutral K-mesons, the K° and the K°. Derivatives K-ˈmesic adj. = kaonic adj. ΘΚΠ the world > matter > physics > atomic physics > particle physics > particle participating in strong interaction > meson > [adjective] > relating to kaon K-mesic1958 kaonic1965 1958 Philos. Mag. 3 33 Negative K-mesons captured by the heavy nuclei in nuclear emulsion form K-mesic atoms. 1967 Comments Nucl. & Particle Physics I. 112 K-mesic x-rays from Li, Be, B, and C. This entry has not yet been fully updated (first published 1976; most recently modified version published online March 2021). < n.1954
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