Gluonic mesons in $J/\psi$ radiative decay
نویسندگان
چکیده
منابع مشابه
Search for Gluonic Mesons in Gluon Jets
The existence of glueballs, the bound states of two or more gluons, are an early expectation of QCD. Calculations on a space time lattice have confirmed this expectation in the quantitative analysis. Their existence though is still in doubt despite continued efforts over the years. The identification of the glueballs requires the analysis of production and decay properties of the candidate meso...
متن کاملRadiative Decay to Two Pseudoscalar Mesons from Mark III 1
The results of amplitude analyses of the Mark III data on the K sK 0 s , KK and + systems produced in J= radiative decay are shown for the mass range 1 2 GeV. The intensity distributions for the amplitudes having J values 0 and 2 are presented and discussed. The observed strong production of the f0(1700) in J= radiative decay suggests that this state may consist primarily of the lightest scalar...
متن کاملDetermining the Gluonic Content of Isoscalar Mesons
We develop tools to determine the gluonic content of a resonance of known mass, width and J from its branching fraction in radiative quarkonium decays and production cross section in γγ collisions. We test the procedures by applying them to known qq̄ mesons, then analyze four leading glueball candidates. We identify inconsistencies in data for J/ψ → γf0(1500) and J/ψ → γfJ(1710) whose resolution...
متن کاملAbsence of Gluonic Components in Axial and Tensor Mesons
A quarkonium-gluonium mixing scheme previously developed to describe the characteristic of the pseudoscalar mesons is applied to axial and tensor mesons. The parameters of the model are determined by fitting the eigenvalues of a mass matrix. The corresponding eigenvectors give the proportion of light quarks, strange quarks and glueball in each meson. However the predictions of the model for bra...
متن کاملSearch for gluonic excitations in light unconventional mesons
Studies of meson spectra via strong decays provide insight regarding QCD at the confinement scale. These studies have led to phenomenological models for QCD such as the constituent quark model. However, QCD allows for a much richer spectrum of meson states which include extra states such as exotics, hybrids, multi-quarks, and glueballs. First discussion of the status of exotic meson searches is...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: The European Physical Journal C
سال: 1998
ISSN: 1434-6044,1434-6052
DOI: 10.1007/s100520050106