On the ion beam stopping power dependence of transient magnetic fields in Fe- and Gd-hosts

Abstract

Abstract. Ion-beam induced attenuations of transient magnetic fields have been further studied in measurements on high-velocity 24Mg-and 28Si-ions as well as low-velocity 4STi-ions using energetic beams of Ti-and Br-ions. Further evidence for the stopping power dependence of the attenuations is found; more data in the threshold region of Fe-host support earlier observations. In Gd-host the attenuations are again weaker pronounced than in Fe in accordance with previous data.

Stringent Tests of Shell Model Calculations infpShell Nuclei46,48TiandErnst1, Speidel2, Kenn3 et al. 2000Phys. Rev. Lett.Self Cite49070View full textAdd to dashboardCite

“…The magnitude and the dependence of the attenuation factor G on relevant parameters such as velocity, stopping power, and intensity of the beam ions, as well as on the electron orbitals of the excited beam ions, were determined in several experiments carried out in conditions very similar to those of the present work [11]. The parametrization was reconfirmed through a precession measurement on the 2 1 1 state of 56 Fe (g 0.61͑8͒ [6]) performed with the same target and under the same kinematic conditions as those that pertain to the current experiment.…”

“…where the strength parameter a͑Gd͒ 17͑1͒ T [11,12], y 0 e 2 ͞h, and G 0.83͑4͒ is the attenuation factor accounting for dynamic demagnetization of gadolinium induced by the ion beam. The magnitude and the dependence of the attenuation factor G on relevant parameters such as velocity, stopping power, and intensity of the beam ions, as well as on the electron orbitals of the excited beam ions, were determined in several experiments carried out in conditions very similar to those of the present work [11].…”