phi meson


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Related to phi meson: omega meson, eta meson, Vector meson

phi meson

n.
An electrically neutral vector meson, having a mass 1,995 times that of an electron and a mean lifetime of about 1.5 × 10-22 second.
References in periodicals archive ?
In addition, I propose to perform a first three-dimensional angular fit of the decay of a Bs meson to a phi meson and a muon pair.
But the new research, performed by Hideto En'yo and his colleagues at the KEK accelerator in Tsukuba, Japan, detected the mass lost within a nucleus by the phi meson, which consists of two tightly bound quarks.
A Monte Carlo simulation was produced to better understand CLAS's backward angle detection of K mesons produced from the phi meson photoproduction process.