Mass spectra for the \(cc\bar{b}\bar{b}\)/\(bb\bar{c}\bar{c}\) tetraquark states
We have studied the masse spectra for the \(cc\bar{b}\bar{b}\)/\(bb\bar{c}\bar{c}\) tetraquark states with quantum numbers \(J^{P}=0^{\pm},1^{\pm}\), and \(2^{+}\). We systematically construct the interpolating currents with various spin-parity quantum numbers and calculate their two-point correlati...
Saved in:
Published in | arXiv.org |
---|---|
Main Authors | , , , |
Format | Paper |
Language | English |
Published |
Ithaca
Cornell University Library, arXiv.org
11.06.2021
|
Subjects | |
Online Access | Get full text |
Cover
Loading…
Summary: | We have studied the masse spectra for the \(cc\bar{b}\bar{b}\)/\(bb\bar{c}\bar{c}\) tetraquark states with quantum numbers \(J^{P}=0^{\pm},1^{\pm}\), and \(2^{+}\). We systematically construct the interpolating currents with various spin-parity quantum numbers and calculate their two-point correlation functions in the framework of QCD moment sum rule method. Our calculations show that the masses are about \(12.3-12.4\) GeV for the positive parity \(cc\bar{b}\bar{b}\) tetraquark ground states with \(J^{P}=0^+, 1^+, 2^+\), while \(12.8-13.1\) GeV for the negative parity channels with \(J^{P}=0^-, 1^-\). The mass predictions for the positive parity \(cc\bar{b}\bar{b}\) ground states are lower than the \(B_{c}B_{c}\) threshold, implying that these tetraquarks can only decay via weak interaction and thus are expected to be stable and narrow. |
---|---|
ISSN: | 2331-8422 |
DOI: | 10.48550/arxiv.2106.05550 |