pi-mesonicadj.

Brit.

/ˌpʌɪmᵻˈzɒnɪk/,

/ˌpʌɪmɛˈzɒnɪk/, U.S.

/ˌpaɪˌməˈzɑnɪk/,

/ˌpaɪˌmɛˈzɑnɪk/; ; see also mesonic adj.

Forms: 1900s– π-mesonic, 1900s– pi-mesonic.

Origin: Formed within English, by compounding. Etymons: pi n.¹, mesonic adj.

Etymology: < pi n.¹ + mesonic adj., after pi-meson n. Compare slightly earlier pi-mesic adj. and slightly later pionic adj.

Particle Physics.

= pionic adj.

ΘΚΠ

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

pi-mesic1952

pi-mesonic1953

pionic1957

1953 Physical Rev. 92 789/2 Experimental studies of π-mesonic x-rays in light elements have been made.

1970 W. O. Lock & D. F. Measday Intermediate Energy Nucl. Physics xi. 276 Because of the mass of the π⁻..is greater than that of the μ.., the energies of the pi-mesonic x-rays are about 30% higher than those of the equivalent mu-mesic x-rays.

1994 Progress Theoret. Physics Suppl. No. 117. 477 (title) Pi-mesonic weak decay rates of light-to-heavy hypernuclei.

This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022).

单词	pi-mesonic
释义	pi-mesonicadj. Brit. /ˌpʌɪmᵻˈzɒnɪk/, /ˌpʌɪmɛˈzɒnɪk/, U.S. /ˌpaɪˌməˈzɑnɪk/, /ˌpaɪˌmɛˈzɑnɪk/; ; see also mesonic adj. Forms: 1900s– π-mesonic, 1900s– pi-mesonic. Origin: Formed within English, by compounding. Etymons: pi n.¹, mesonic adj. Etymology: < pi n.¹ + mesonic adj., after pi-meson n. Compare slightly earlier pi-mesic adj. and slightly later pionic adj. Particle Physics. = pionic adj. ΘΚΠ the world > matter > physics > atomic physics > particle physics > particle participating in strong interaction > meson > [adjective] > relating to pion pi-mesic1952 pi-mesonic1953 pionic1957 1953 Physical Rev. 92 789/2 Experimental studies of π-mesonic x-rays in light elements have been made. 1970 W. O. Lock & D. F. Measday Intermediate Energy Nucl. Physics xi. 276 Because of the mass of the π⁻..is greater than that of the μ.., the energies of the pi-mesonic x-rays are about 30% higher than those of the equivalent mu-mesic x-rays. 1994 Progress Theoret. Physics Suppl. No. 117. 477 (title) Pi-mesonic weak decay rates of light-to-heavy hypernuclei. This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022). < adj.1953
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