Is f2(1950) the tensor glueball?

被引:0
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作者
Vereijken, Arthur [1 ]
Jafarzade, Shahriyar [1 ]
Piotrowska, Milena [1 ]
Giacosa, Francesco [1 ,2 ]
机构
[1] Jan Kochanowski Univ, Inst Phys, Ul Uniwersytecka 7, PL-25406 Kielce, Poland
[2] J W Goethe Univ, Inst Theoret Phys, Max Von Laue Str 1, D-60438 Frankfurt, Germany
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P1 [天文学];
学科分类号
0704 ;
摘要
Glueballs remain an experimentally undiscovered expectation of QCD. Lattice QCD (As well as other theoretical approaches) predicts a spectrum of glueballs, with the tensor (JPC = 2++) glueball being the second lightest, behind the scalar glueball. Here, using a chiral hadronic model, we compute decay ratios of the tensor glueball into various meson decay channels. We find the tensor glueball to primarily decay into two vector mesons, dominated by rho rho and K*K* channels. These results are compared to experimental data of decay rates of isoscalar tensor mesons. Based on this comparison, we make statements on the eligibility of these mesons as potential tensor glueball candidates: the resonance f2(1950) turns out to be, at present, the best match as being predominantly a tensor glueball.
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页数:11
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