Measuring Intensity Interference in a Low Multiplicity System \(\pi \pi X\) with a New Observing Method
Year: 2020
Type: article
Abstract: In this article, we construct the [sc] A [sc] V -[sc] V [sc] A -type tensor current to study the mass and width of the X(4274) with the QCD sum rules in detail.The predicted mass M X = (4.27± 0.09) GeV for the J P C = 1 ++ tetraquark state is in excellent agreement with the experimental data 4273.3± 8.3 +17.2 -3.6 MeV from the LHCb Collaboration.The central value of the width Γ (X(4274) → J/ψφ) = 47.9MeV is in excellent agreement with the experimental data 56 ± 11 +8 -11 MeV from the LHCb Collaboration.The present work supports assigning the X(4274) to be theA tetraquark state with a relative P -wave between the diquark and antidiquark constituents.Furthermore, we obtain the mass of the [sc] A [sc] V -[sc] V [sc] A -type tetraquark state with J P C = 1 -+ as a byproduct.
Source: Acta Physica Polonica B
Institution: Nanjing University of Aeronautics and Astronautics
Language: English
Subfield: Nuclear and High Energy Physics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: diamond
OpenAlex ID: W3001349783