Z. Y. Wang

CSD 2260500: Experimental Crystal Structure Determination

Shuai Wang, Yu Fei Wang, Z. Y. Wang, Chen Wang et autres

An entry from the Inorganic Crystal Structure Database, the world’s repository for inorganic crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the joint CCDC and FIZ Karlsruhe Access …

Luminosity measurements for the R scan experiment at BESIII

М. Н. Ачасов, S. Ahmed, X. Ai, O. Albayrak et autres

Luminosity measurements for the R scan experiment at BESIII* , Ablikim, M., Achasov, M. N., Ahmed, S., Ai, X. C., Albayrak, O., Albrecht, M., Ambrose, D. J., Amoroso, A., An, F. F., An, Q., Bai, J. Z., Bakina, O., Baldini Ferroli, R., …

cn, ru, de, us, it, tr, ca, nl (code pays fourni par la source)

Measurement of Azimuthal Asymmetries in Inclusive Charged Dipion Production in e+e− Annihilations at s=3.65 GeV

М. Н. Ачасов, X. C. Ai, O. Albayrak, M. Albrecht et autres

We present a measurement of the azimuthal asymmetries of two charged pions in the inclusive process e^{+}e^{-}→ππX, based on a data set of 62 pb^{-1} at the center-of-mass energy of 3.65 GeV collected with the BESIII detector. These asymmetries can be attributed …

cn, ru, us, de, it, tr, nl (code pays fourni par la source)

Observation of Zc(3900)0 in e+e−→π0π0J/ψ

М. Н. Ачасов, X. Ai, O. Albayrak, M. Albrecht et autres

Using a data sample collected with the BESIII detector operating at the BEPCII storage ring, we observe a new neutral state Z_{c}(3900)^{0} with a significance of 10.4σ. The mass and width are measured to be 3894.8±2.3±3.2 MeV/c^{2} and 29.6±8.2±8.2 MeV, respectively, where …

cn, ru, us, de, it, tr, nl (code pays fourni par la source)

Two-photon widths of the χc0,2 states and helicity analysis for χc2→γγ

M. N. Achasov, D. Ambrose, F. F. An, Q. An et autres

Based on a data sample of $106\ifmmode\times\else\texttimes\fi{}{10}^{6}$ ${\ensuremath{\psi}}^{\ensuremath{'}}$ events collected with the BESIII detector, the decays ${\ensuremath{\psi}}^{\ensuremath{'}}\ensuremath{\rightarrow}\ensuremath{\gamma}{\ensuremath{\chi}}_{c0,2}$, ${\ensuremath{\chi}}_{c0,2}\ensuremath{\rightarrow}\ensuremath{\gamma}\ensuremath{\gamma}$ are studied to determine the two-photon widths of the ${\ensuremath{\chi}}_{c0,2}$ states. The two-photon decay branching fractions are determined to be $\mathcal{B}({\ensuremath{\chi}}_{c0}\ensuremath{\rightarrow}\ensuremath{\gamma}\ensuremath{\gamma})=(2.24\ifmmode\pm\else\textpm\fi{}0.19\ifmmode\pm\else\textpm\fi{}0.12\ifmmode\pm\else\textpm\fi{}0.08)\ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}4}$ and $\mathcal{B}({\ensuremath{\chi}}_{c2}\ensuremath{\rightarrow}\ensuremath{\gamma}\ensuremath{\gamma})=(3.21\ifmmode\pm\else\textpm\fi{}0.18\ifmmode\pm\else\textpm\fi{}0.17\ifmmode\pm\else\textpm\fi{}0.13)\ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}4}$. From …

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