11 citations · 37 across the 9 of their papers we have counts for
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Beam-excited resonant modes in RF cavities
Yanxu Wang, Demin Zhou, Ji Li +4
Beam-excited resonant modes in RF cavities are important sources of beam-coupling impedance and coupled-bunch instabilities in high-current storage rings. We develop a unified fram…
Beam Dynamics Issues in the SuperKEKB
Demin Zhou, Haruyo Koiso, Akio Morita +3
This article reviews the beam dynamics issues, such as intra-beam scattering, beam-beam interaction, lattice nonlinearity, and space charge, in SuperKEKB before its commissioning.
Theories derived from Haissinski equation and their applications to electron storage rings
Demin Zhou, Takuya Ishibashi, Gaku Mitsuka +3
As a stationary solution of the Vlasov-Fokker-Planck equation, the Haissinski equation predicts the equilibrium line density of a bunch that circulates in a storage ring for a give…
Luminosity performance of SuperKEKB
Demin Zhou, Kazuhito Ohmi, Yoshihiro Funakoshi +1
Since April 2020, the SuperKEKB has been operating with the crab waist scheme. The luminosity record achieved in June 2022 was , w…
Simulations and experimental results on beam-beam effects in SuperKEKB
Demin Zhou, Kazuhito Ohmi, Yoshihiro Funakoshi +2
The beam-beam interaction is one of the most critical factors determining the luminosity performance of colliders. As a circular collider utilizing the crab-waist scheme, multiple…
Formulae of luminosity and beam-beam tune shifts for flat-beam asymmetric colliders
Demin Zhou
This note outline the formulae of luminosity and beam-beam tune shifts applicable to flat-beam asymmetric colliders. The formulae are tested with the machine parameters of SuperKEK…
Construction and Commissioning of Mid-Infrared SASE FEL at cERL
Yosuke Honda, Masahiro Adachi, Shu Eguchi +26
The mid-infrared range is an important spectrum range where materials exhibit a characteristic response corresponding to their molecular structure. A free-electron laser (FEL) is a…
Wake fields and impedance of space charge in Cartesian coordinate system
Demin Zhou, Yuancun Nie
In Cartesian coordinate system, the fields generated by a point charge moving parallel to the axis of a rectangular vacuum chamber can be formulated in terms of eigenfunctions of t…
Analytical theory of coherent synchrotron radiation wakefield of short bunches shielded by conducting parallel plates
Gennady Stupakov, Demin Zhou
We develop a general model of coherent synchrotron radiation (CSR) impedance with shielding provided by two parallel conducting plates. This model allows us to easily reproduce all…