Table 1.

The parameters of the cooling configuration in the SPS for the GF-CAIN⁶³ simulations of the He-like Ca beam, the Erbium laser with the photon wavelength  nm and the atomic transition for .

PSI beam
m—ion mass	37.332 GeV/
E—mean energy	91.07 TeV
—mean Lorentz relativistic factor	2439.5
N—number ions per bunch
—RMS relative energy spread
—-function at interaction-point (IP)	50 m
—beam geometric emittance
—RMS bunch length	1.5 cm
Bunch repetition rate	20 MHz

Laser	Erbium
—photon wavelength	1550 nm
—photon energy	0.799898 eV
—RMS relative band spread
U—single pulse energy at IP	5 mJ
—RMS transverse intensity distribution at IP
—RMS pulse length	2.99792 cm
—collision angle
—number of laser stations	20

Atomic transition of
—resonance energy	3.902 keV
—mean lifetime of spontaneous emission	s
—degeneracy factors of the ground and excited states	1, 3
—resonance-peak cross section46
—angular distribution of emitted photons in ion rest-frame
—maximum emitted photon energy	19.04 MeV