quarkoniumn.

Brit.

/kwɑːˈkəʊnɪəm/, U.S.

/kwɑrˈkoʊniəm/

Inflections: Plural quarkonia.

Origin: Formed within English, by compounding. Etymons: quark n.², -onium comb. form².

Etymology: < quark n.² + -onium comb. form².

Particle Physics.

A meson consisting of a quark (usually a charm or a bottom quark) bound to the corresponding antiquark; (as a mass noun) matter consisting of such particles.

ΘΚΠ

the world > matter > physics > atomic physics > particle physics > quark > [noun] > bound to antiquark

quarkonium1977

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

tau1949

photomeson1950

theta1954

eta1961

omega meson1961

rho1961

phi meson1962

bottomonium1976

quarkonium1977

upsilon1977

1977 C. Quigg & J. L. Rossner in Physics Lett. B. 71 153/1 In this note we describe some features of the logarithmic potential as applied to quarkonium families.

1982 Sci. Amer. May 42/1 Quarkonium is closely analogous in structure to positronium.

1986 B. G. Duff Fund. Particles iv. 49 The b system has also been studied and a number of states observed..which are referred to as ‘beautyonium’. In general, such qq systems are called ‘quarkonia’.

1995 R. L. Amoroso & B. E. Martin in J. King & K. H. Pribram Scale in Conscious Experience xvi. 362 Complex numbers provide an excellent vehicle to demonstrate the interplay of the dimensions of 4-space with those of deeper quarkonium space.

2005 M. Lavelle tr. B. Povh & M. Rosina Scattering & Structures vi. 91 The masses of normal quarkonia lie around or above double the constituent quark mass.

This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022).

单词	quarkonium
释义	quarkoniumn. Brit. /kwɑːˈkəʊnɪəm/, U.S. /kwɑrˈkoʊniəm/ Inflections: Plural quarkonia. Origin: Formed within English, by compounding. Etymons: quark n.², -onium comb. form². Etymology: < quark n.² + -onium comb. form². Particle Physics. A meson consisting of a quark (usually a charm or a bottom quark) bound to the corresponding antiquark; (as a mass noun) matter consisting of such particles. ΘΚΠ the world > matter > physics > atomic physics > particle physics > quark > [noun] > bound to antiquark quarkonium1977 the world > matter > physics > atomic physics > particle physics > particle participating in strong interaction > meson > [noun] > type of tau1949 photomeson1950 theta1954 eta1961 omega meson1961 rho1961 phi meson1962 bottomonium1976 quarkonium1977 upsilon1977 1977 C. Quigg & J. L. Rossner in Physics Lett. B. 71 153/1 In this note we describe some features of the logarithmic potential as applied to quarkonium families. 1982 Sci. Amer. May 42/1 Quarkonium is closely analogous in structure to positronium. 1986 B. G. Duff Fund. Particles iv. 49 The b system has also been studied and a number of states observed..which are referred to as ‘beautyonium’. In general, such qq systems are called ‘quarkonia’. 1995 R. L. Amoroso & B. E. Martin in J. King & K. H. Pribram Scale in Conscious Experience xvi. 362 Complex numbers provide an excellent vehicle to demonstrate the interplay of the dimensions of 4-space with those of deeper quarkonium space. 2005 M. Lavelle tr. B. Povh & M. Rosina Scattering & Structures vi. 91 The masses of normal quarkonia lie around or above double the constituent quark mass. This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022). < n.1977
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