The transverse single-spin asymmetry forρ^(0) production in semi-inclusive deep inelastic scattering was recently reported by the COMPASS Collaboration.Using the Sivers function extracted from pion and kaon productio...The transverse single-spin asymmetry forρ^(0) production in semi-inclusive deep inelastic scattering was recently reported by the COMPASS Collaboration.Using the Sivers function extracted from pion and kaon productions,we perform a calculation of the Sivers asymmetry within the transverse momentum-dependent factorization.Our results are consistent with the COMPASS data,supporting the universality of the Sivers function in the semi-inclusive deep inelastic scattering process for different final-state hadrons within current experimental uncertainties.While different parametrizations of the Sivers function from global analyses allow describing the data equally well,we obtain very different predictions on the Sivers asymmetry ofρand K^(*)productions at electron-ion colliders,which therefore are expected to provide further constraints.展开更多
A new hexanuclear silver（I） compound containing thiosemicarbazone with group of 3-pyridine was synthesized and structurally characterized by single-crystal X-ray diffraction,elemental analysis and fluorescence spect...A new hexanuclear silver（I） compound containing thiosemicarbazone with group of 3-pyridine was synthesized and structurally characterized by single-crystal X-ray diffraction,elemental analysis and fluorescence spectrum.The title compound 3 crystallizes in monoclinic,space group C2/m with a = 18.6523（9）,b = 24.7519（11）,c = 22.4542（15） ,β = 93.4960（10）°,V = 10347.4（10）3,C68H104Ag6N30O8S6,Mr = 2309.39,Dc = 1.482g/cm3,μ（MoKα） = 1.293 mm-1,F（000） = 4656,Z = 4,the final R = 0.0544 and wR = 0.1580 for 6733 observed reflections（I 〉 2σ（I））.In the structure,two Ag6L36（L3 = pyridine-3-carboxaldehyde thiosemicarbazone） clusters are contained.In each cluster,the S atom of ligand L3 served as a triply bridged chelator to connect the six silver atoms into a Ag6L36 cluster.Luminescence investigation revealed that the band at 630 nm was attributed to cluster-centered（CC） electron transfer,and those at 493 and 530 nm to the LMCT and CC transitions,respectively.展开更多
A new silver（Ⅰ） compound 4 containing thiosemicarbazone with group 2-quinoline was synthesized and structurally characterized by single-crystal X-ray diffraction, elemental analysis and fluorescence spectrum. Compo...A new silver（Ⅰ） compound 4 containing thiosemicarbazone with group 2-quinoline was synthesized and structurally characterized by single-crystal X-ray diffraction, elemental analysis and fluorescence spectrum. Compound 4 crystallizes in triclinic, space group P1 with a = 12.2710（9）, b = 16.9281（13）, c = 17.2984（13）, α = 112.8500（10）, β = 103.4890（10）, γ = 102.6860（10）°, V = 3020.9（4） 3, C80H94Ag6N28O6S6, Mr = 2383.41, Dc = 1.310 g/cm3, μ（MoKα） = 1.108 mm-1, F（000） = 1196, Z = 1, the final R = 0.0567 and wR = 0.1368 for 5112 observed reflections （I 〉 2σ（I））. Similar to the structure of compound 2 we have reported, compound 4 also exhibits a hexanuclear silver（Ⅰ） cluster. In the cluster, the S atom of ligand L4 （L4 = 2-quinolinecarboxaldehyde thiosemicarbazone） serves as a triply bridged chelator to connect the six silver atoms into a Ag6L46 cluster. The luminescence property of 4 is investigated at room temperature and compared with that of 2.展开更多
基金supported by the National Key R&D Program of China(Grant No.2024YFA1611004)the National Natural Science Foundation of China(Grant Nos.12175117,12475084,and 12321005)the Shandong Province Natural Science Foundation(Grant Nos.ZFJH202303 and ZR2024MA012)。
文摘The transverse single-spin asymmetry forρ^(0) production in semi-inclusive deep inelastic scattering was recently reported by the COMPASS Collaboration.Using the Sivers function extracted from pion and kaon productions,we perform a calculation of the Sivers asymmetry within the transverse momentum-dependent factorization.Our results are consistent with the COMPASS data,supporting the universality of the Sivers function in the semi-inclusive deep inelastic scattering process for different final-state hadrons within current experimental uncertainties.While different parametrizations of the Sivers function from global analyses allow describing the data equally well,we obtain very different predictions on the Sivers asymmetry ofρand K^(*)productions at electron-ion colliders,which therefore are expected to provide further constraints.
基金supported by the Postdoctoral Science Foundation of Central South University
文摘A new hexanuclear silver（I） compound containing thiosemicarbazone with group of 3-pyridine was synthesized and structurally characterized by single-crystal X-ray diffraction,elemental analysis and fluorescence spectrum.The title compound 3 crystallizes in monoclinic,space group C2/m with a = 18.6523（9）,b = 24.7519（11）,c = 22.4542（15） ,β = 93.4960（10）°,V = 10347.4（10）3,C68H104Ag6N30O8S6,Mr = 2309.39,Dc = 1.482g/cm3,μ（MoKα） = 1.293 mm-1,F（000） = 4656,Z = 4,the final R = 0.0544 and wR = 0.1580 for 6733 observed reflections（I 〉 2σ（I））.In the structure,two Ag6L36（L3 = pyridine-3-carboxaldehyde thiosemicarbazone） clusters are contained.In each cluster,the S atom of ligand L3 served as a triply bridged chelator to connect the six silver atoms into a Ag6L36 cluster.Luminescence investigation revealed that the band at 630 nm was attributed to cluster-centered（CC） electron transfer,and those at 493 and 530 nm to the LMCT and CC transitions,respectively.
基金the Postdoctoral Science Foundation of Central South University and the National Natural Science Foundation of China (No. 21105127)
文摘A new silver（Ⅰ） compound 4 containing thiosemicarbazone with group 2-quinoline was synthesized and structurally characterized by single-crystal X-ray diffraction, elemental analysis and fluorescence spectrum. Compound 4 crystallizes in triclinic, space group P1 with a = 12.2710（9）, b = 16.9281（13）, c = 17.2984（13）, α = 112.8500（10）, β = 103.4890（10）, γ = 102.6860（10）°, V = 3020.9（4） 3, C80H94Ag6N28O6S6, Mr = 2383.41, Dc = 1.310 g/cm3, μ（MoKα） = 1.108 mm-1, F（000） = 1196, Z = 1, the final R = 0.0567 and wR = 0.1368 for 5112 observed reflections （I 〉 2σ（I））. Similar to the structure of compound 2 we have reported, compound 4 also exhibits a hexanuclear silver（Ⅰ） cluster. In the cluster, the S atom of ligand L4 （L4 = 2-quinolinecarboxaldehyde thiosemicarbazone） serves as a triply bridged chelator to connect the six silver atoms into a Ag6L46 cluster. The luminescence property of 4 is investigated at room temperature and compared with that of 2.
