Phi meson

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Not to be confused with the Φ−−, formerly thought to be a pentaquark.
phi meson
Composition
ϕ0
:
s

s
Statistics Bosonic
Interactions Strong, Weak
Symbol
ϕ
,
ϕ0
Antiparticle Self
Mass 1019.445±0.020 MeV/c2
Electric charge 0

In particle physics, the phi meson is a vector meson formed of a strange quark and a strange antiquark. It has a mass of 1019.445±0.020 MeV/c2.

Particle name Particle
symbol
Antiparticle
symbol
Quark
content
Rest mass (MeV/c2) IG JPC S C B' Mean lifetime (s) Commonly decays to

(>5% of decays)

Phi meson[1]
ϕ
(1020)
Self
s

s
1,019.445 ± 0.020 0 1−− 0 0 0 1.55 ± 0.01 × 10−22[f]
K+
+
K
or


K0
S
+
K0
L
or

(
ρ
+
π
) / (
π+
+
π0
+
π
)

References[edit]

  1. ^ C. Amsler et al. (2008): Particle listings –
    ϕ

See also[edit]