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33 papers · 1 filter
On asymmetric brane creation
Hongsheng Zhang, Zongkuan Guo, Chiyi Chen +1
We exhaust the brane instanton solutions---an Einstein brane inhabiting at different positions in a 5-dimensional Einstein bulk with negative curvature. We construct a brane instan…
Spin-Parity Analysis of ppbar Mass Threshold Structure in J/psi and psi' Radiative Decays
BESIII Collaboration
A partial wave analysis of the mass-threshold enhancement in the reaction is used to determine: its quantum numbers to be ; i…
Higher-order multipole amplitude measurement in
BESIII Collaboration
Using events collected with the BESIII detector at the BEPCII storage ring, the higher-order multipole amplitudes in the radiative transition $ψ(2S)\toγχ_{c…
Calabi-Yau pointed Hopf algebras of finite Cartan type
Xiaolan Yu, Yinhuo Zhang
We study the Calabi-Yau property of pointed Hopf algebra $U(\mc{D},\lmd)$ of finite Cartan type. It turns out that this class of pointed Hopf algebras constructed by N. Andruskiewi…
Superconducting proximity effect to the block antiferromagnetism in KFeSe
Hong-Min Jiang, Wei-Qiang Chen, Zi-Jian Yao +1
Recent discovery of superconducting (SC) ternary iron selenides has block antiferromagentic (AFM) long range order. Many experiments show possible mesoscopic phase separation of th…
Search for a light exotic particle in J/psi radiative decays
BESIII Collaboration
Using a data sample containing 1.06x10^8 psi' events collected with the BESIII detector at the BEPCII electron-positron collider, we search for a light exotic particle X in the pro…