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A Glueball- $q\bar{q}$ Filter in Central Hadron Production
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abstract
We have stumbled upon a remarkable empirical feature of central meson production which separates established $q\bar{q}$ mesons from glueball candidates. This does not appear to have been noted previously and we have no simple explanation for it. We suggest that glueballs and $q\bar{q}$ of the same $J^{PC}$ are distinguishable due to their boson versus fermion internal structure and that this leads to a different topology for central production of glueballs and $q\bar{q}$. Upon application of this test to data from the WA102 experiment we find that the $f_0(1500)$ and the $f_{2}(1900)$ show behaviour consistent with glueballs and opposite to that exhibited by established $q\bar{q}$ states.
Forward citations
Cited by 2 Pith papers
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Central exclusive production of $\eta$ and $\eta'$ mesons in diffractive proton-proton collisions at the LHC within the tensor-pomeron approach
The tensor-pomeron model predicts 0.3 to 0.7 microbarn cross sections for central eta-prime production at the LHC, and shows that scalar-pomeron models forbid eta, eta-prime, and f1 production entirely.
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Central exclusive production at the LHC: Remarks by the organisers on an EMMI workshop
A workshop report summarizing talks and organizer conclusions on central exclusive production at the LHC, focusing on odderon searches, glueballs, and the need for forward proton detection.
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