Rotational Spectra of the Baryons and Mesons
msra(2003)
摘要
An investigation of the rotational spectra of baryons and mesons is
conducted. Diakonov, Petrov and Polyakov claimed that all light baryons are
rotational excitations. A study of the history of particle physics indicates
that the ideas of rotational spectra can be originally attributed to a
constituent-quark (CQ) model as proposed by Mac Gregor. Later research advanced
spin-orbit splitting in a deformed model as suggested by Bhaduri and others. In
the present work, we show from current data that the rotational spectra of
baryons and mesons are in agreement with the original claims of Mac Gregor:
namely, the values for the rotational energies Erot of particles merge with
those of nuclear rotational bands in light nuclei. It is also shown that
particles of different isotopic spins are separated in mass by a 70 MeV
quantum, which is related to the SU(3) decuplet mass spacing as originally
proposed by Gell-Mann.
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关键词
high energy physics,particle physics
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