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Journal Articles

Implications of the $Z_{cs}$ (3985) and $Z_{cs}$ (4000) as two different states

Meng, L.*; Wang, B.*; Wang, G.-J.*; Zhu, S.-L.*

Science Bulletin, 66(20), p.2065 - 2071, 2021/10

https://doi.org/10.1016/j.scib.2021.06.026

Times Cited Count：27 Percentile：85.55(Multidisciplinary Sciences)

Two recently found tetraquark resonances $Z_{cs}$ (3985) and $Z_{cs}$ (4000) are studied in a solvable nonrelativistic effective field theory. We include the possible violations of heavy quark spin symmetry and SU(3) flavor symmetry in a comprehensive approach. Our results show that the decay rates can be used to judge whether these resonances can be different states or not.

Journal Articles

Synchrotron X-ray diffraction techniques for in situ measurement on hydride formation under several gigapascals of hydrogen pressure

Saito, Hiroyuki; Machida, Akihiko; Aoki, Katsutoshi

Chinese Science Bulletin, 59(36), p.5290 - 5301, 2014/12

https://doi.org/10.1007/s11434-014-0543-8

Times Cited Count：19 Percentile：59.63(Multidisciplinary Sciences)

Journal Articles

Energies of the single-particle proton 1 and 2 states in the $^{58,60,62,64}$ Ni isotopes

Bespalova, O. V.*; Boboshin, I. N.*; Varlamov, V. V.*; Ermakova, T. A.*; Ishkhanov, B. S.*; Komarov, S. Yu.*; Koura, Hiroyuki; Romanovskii, E. A.*; Spasskaya, T. I.*

Bulletin of the Russian Academy of Sciences; Physics, 73(6), p.820 - 823, 2009/06

https://doi.org/10.3103/S1062873809060264

Single-particle energies corresponding to the maximum value of the spectroscopic factor were obtained for the proton states near the Fermi energy in the $^{58,60,62,64}$ Ni nuclei by the joint evaluation of the data on the stripping and pickup reactions on the same nucleus. These results are compared with the center-of-mass energies of the single-particle state fragment distributions obtained by the same method and with the single-particle energies calculated with the Woods-Saxon-like potential and with the dispersive optical model potential. For 2 $_{3/2}$ states (the first unoccupied states), Results of the Woods-Saxon-like potential are in excellent agreement with the energies of maximum (practically the same), for 1 $_{7/2}$ , 1 $_{5/2}$ and for 2 $_{1/2}$ states the agreement within 1 - 1.5 MeV was achieved. Sufficient difference between centers of mass and maximums was obtained for 1 $_{5/2}$ and 2 $_{1/2}$ states, which may be connected with the fragmentation effect.

Journal Articles

Study of a new ytterbium doped phosphate laser glass

Dai, S.*; Hu, L.*; Sugiyama, Akira; Izawa, Yasukazu*; Liu, Z.*; Jiang, Z.*

Chinese Science Bulletin, 47(3), p.255 - 259, 2002/02

https://doi.org/10.1360/02tb9062

Times Cited Count：8 Percentile：52.65(Multidisciplinary Sciences)

A new type of ytterbium doped phosphate laser glass has been produced and studied about physical and optical properties such as thermo-mechanical properties, nonlinear properties, crystalline phase, micro defects and spectroscopic properties. In the glass forming process, newly developed OH removing technology was adopted. From the reduction of OH concentration in the glass, upper state fluorescence lifetime reached 2.2 ms. Additionally, the glass shows remarkable athermal property of 0.4210E $^{-6}$ /K, which is around one-tenth of QX/Yb glass.