activity
19992026
most citedThe Hamburg/ESO R-process Enhanced Star survey (HERES) III. HE 0338-3945 and the formation of the r+s stars

162 citations · 219 across the 20 of their papers we have counts for

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physics.acc-ph2021

Photon Masks for the ILC Positron Source with 175 and 250 GeV Electron Drive Beam

Khaled Alharbi, Sabine Riemann, Ayash Alrashdi +4

In the future the International Linear Collider (ILC), a helical undulator-based polarized positron source, is expected to be chosen. A high energy electron beam passes through a s…

physics.acc-ph20201 cited

Energy Deposition due to Secondary Particles in The Helical Undulator Wall at ILC-250GeV

Khaled Alharbi, Sabine Riemann, Ayash Alrashdi +3

In the future, International Linear Collider (ILC), a helical undulator based polarized positron source is expected to be chosen. A high energy electron beam passes through a super…

physics.acc-ph2019

Energy Deposition along The Helical Undulator at ILC-250GeV

Khaled Alharbi, Sabine Riemann, Gudrid Moortgat-Pick +1

The positron source of the International Linear Collider is based on a superconducting helical undulator passed by the high-energy electron beam to generate photons which hit a con…

physics.acc-ph20113 cited

The echo-enabled harmonic generation options for FLASH II

Haixiao Deng, Winfried Decking, Bart Faatz

FLASH II is an upgrade to the existing free electron laser (FEL) FLASH. The echo-enabled harmonic generation (EEHG) scheme is proposed to be a potential seeding option of FLASH II.…

physics.acc-ph2004

Surface Superconductivity in Niobium for Superconducting RF Cavities

S. Casalbuoni, E. -A. Knabbe, J. Koetzler +4

A systematic study is presented on the superconductivity (sc) parameters of the ultrapure niobium used for the fabrication of the nine-cell 1.3 GHz cavities for the linear collider…

physics.acc-ph1999

Relativistic Quantum States of an Electron with Anomalous Magnetic Moment in an Electromagnetic Wave Field and a Homogeneous Magnetic Field

R. A. Melikian, D. P. Barber

The exact solution of the Dirac equation and the spectrum of electron quasi-energies in a superposition of the field of a circularly polarized electromagnetic wave and a homogeneou…