Lestinsky, M., Badnell, N. R., Bernhardt, D., Grieser, M., Hoffmann, J., Lukić, D., ...
We have measured electron-ion recombination for Fe$^{9+}$ forming Fe$^{8+}$ and for Fe$^{10+}$ forming Fe$^{9+}$ using merged beams at the TSR heavy-ion storage-ring in Heidelberg. The measured...
Anisotropic fragmentation in low-energy dissociative recombination (2008)
Novotny, S., Rubinstein, H., Buhr, H., Novotný, O., Hoffmann, J., Mendes, M. B., ...
On a dense energy grid reaching up to 75 meV electron collision energy the fragmentation angle and the kinetic energy release of neutral dissociative recombination fragments have been studied in a...
Anisotropy and molecular rotation in resonant low-energy dissociative recombination (2008)
Novotny, S., Rubinstein, H., Buhr, H., Novotny, O., Hoffmann, J., Mendes, M. B., ...
Schmidt, E. W., Bernhardt, D., Mueller, A., Schippers, S., Fritzsche, S., Hoffmann, J., ...
The electron-ion recombination rate coefficient for Si IV forming Si III was measured at the heavy-ion storage-ring TSR. The experimental electron-ion collision energy range of 0-186 eV encompassed...
Lukić, D.V., Schnell, M., Savin, D.W., Brandau, C., Schmidt, E.W., Böhm, S., ...
We have measured resonance strengths and energies for dielectronic recombination (DR) of Mg-like Fe xv forming Al-like Fe xiv via core excitations in the electron-ion collision energy range 0–45...
Lukić, D.V., Schnell, M., Savin, D.W., Brandau, C., Schmidt, E.W., Böhm, S., ...
We have measured resonance strengths and energies for dielectronic recombination (DR) of Mg-like Fe xv forming Al-like Fe xiv via core excitations in the electron-ion collision energy range 0-45 eV....
Lukić, D.V., Schnell, M., Savin, D.W., Brandau, C., Schmidt, E.W., Böhm, S., ...
We have measured resonance strengths and energies for dielectronic recombination (DR) of Mg-like Fe xv forming Al-like Fe xiv via core excitations in the electron-ion collision energy range 0-45 eV....
Lukić, D. V., Schnell, M., Savin, D. W., Brandau, C., Schmidt, E. W., Böhm, S., ...
We have measured resonance strengths and energies for dielectronic recombination (DR) of Mg-like Fe XV forming Al-like Fe XIV via N=3 -> N' = 3 core excitations in the electron-ion collision energy...
Progress in stored ion beam experiments on atomic and molecular processes (2007)
Wolf, A., Bur, H., Grieser, M., Von Hahn, R., Lestinsky, M., Lindroth, E., ...
Stored fast ion beams in atomic and molecular collision experiments are discussed with an emphasis on electron-ion interactions at low relative energies. Recent progress was obtained in electron...
Electron collisions and rovibrational action spectroscopy of cold H3+ molecules (2007)
Kreckel, Holger, Petrignani, Annemieke, Berg, Max, Bing, Dennis, Reinhardt, S., Altevogt, S., ...
Schippers, S., Schmidt, E. W., Bernhardt, D., Yu, D., Mueller, A., Lestinsky, M., ...
The hyperfine induced 2s 2p 3P0 > 2s2 1S0 transition rate AHFI in berylliumlike 47Ti18+ was measured. Resonant electron-ion recombination in a heavy-ion storage ring was employed to monitor the time...
Photorecombination of berylliumlike Ti18+: Hyperfine quenching of dielectronic resonances (2006)
Schippers, S., Schmidt, E. W., Bernhardt, D., Yu, D., Mueller, A., Lestinsky, M., ...
The photorecombination spectrum of 48Ti18+ was measured employing the merged electron-ion beams technique at a heavy-ion storage ring. The experimental electron-ion collision energy range 0-80 eV...
Schmidt, E. W., Schippers, S., Mueller, A., Lestinsky, M., Sprenger, F., Grieser, M., ...
Recent spectroscopic models of active galactic nuclei (AGN) have indicated that the recommended electron-ion recombination rate coefficients for iron ions with partially filled M-shells are incorrect...
Effects of molecular rotation in low-energy electron collisions of H3+ (2006)
Wolf, A., Kreckel, H., Motsch, M., Mikosch, J., Glosik, J., Plasil, R., ...
Schmidt, E.W., Schippers, S., Mueller, A., Lestinsky, M., Sprenger, F., Grieser, M., ...
Recent spectroscopic models of active galactic nuclei (AGNs) have indicated that the recommended electron-ion recombination rate coefficients for iron ions with partially filled M shells are...
Measurement of the Decay Rate of the Negative Ion of Positronium (Ps-) (2006)
Fleischer, F., Degreif, K., Gwinner, G., Lestinsky, M., Liechtenstein, V., Plenge, F., ...
A new determination of the decay rate of the negative ion of positronium (Ps-), using a beam-foil method and a stripping-based detection technique, is reported. The measured result of Γ=2.089(15)...
Ultra-cold electron target for the Heidelberg TSR (2006)
Orlov, D., Lestinsky, M., Sprenger, F., Schwalm, D., Terekhov, A.S., Wolf, A.
Merged beams experiments on inelastic electron-ion collisions in ion storage rings can reach very high energy resolution and offer fine control of the collision partners. To optimize the energy...
Ultra-Cold Electron Beams for the Heidelberg TSR and CSR (2006)
Orlov, D., Lestinsky, M., Sprenger, F., Schwalm, D., Terekhov, A.S., Wolf, A.
A cold electron target with a cryogenic GaAs-photocathode electron source was developed for the Heidelberg Test Storage Ring. Two independent electron facilities (cooler and target) allow to separate...
Kreckel,H., Motsch,M., Mikosch,J., Glosik,J., Plasil,R., Altevogt,S., ...
The energy-resolved rate coefficient for the dissociative recombination (DR) of H+3 with slow electrons has been measured by the storage-ring method using an ion beam produced from a radiofrequency...
Kreckel, H., Motsch, M., Mikosch, J., Glosik, J., Plasil, R., Altevogt, S., ...
The energy-resolved rate coefficient for the dissociative recombination (DR) of H+3 with slow electrons has been measured by the storage-ring method using an ion beam produced from a radiofrequency...
Photocathodes as electron sources for high resolution merged beam experiments (2005)
Orlov, D., Sprenger, F., Lestinsky, M., Weigel, U., Terekhov, A., Schwalm, D., ...
An ultra cold electron source was developed for the storage ring TSR in Heidelberg to study electron-ion interactions with high energy resolution. The heart of the source is a GaAs photocathode which...
Fleischer, F., Degreif, K., Gwinner, G., Lestinsky, M., Liechtenstein, V., Plenge, F., ...
A great number of theoretical papers have been published dealing with the negative positronium ion Ps-. On the other hand, experimental data on this purely leptonic three-body system (e+e-e-) is very...
Experiments with Ps-: A new approach to determine its decay rate (2005)
Schwalm, D., Fleischer, F., Gwinner, G., Lestinsky, M., Lichtenstein, V.
We have started an experimental program to study the properties of the ngeative positronium ion Ps-, a leptonic three-body system consiting of a positron and two electrons. As a first step we are...
The high resolution electron-ion collision facility at TSR (2004)
Sprenger,F., Lestinsky,M., Orlov,D., Schwalm,D., Wolf,A.
A new electron beam facility at the storage ring TSR is presented which makes electron-ion collision experiments possible without using the existing electron cooler device as an electron target. A...
Towards a new measurement of the decay rate of the negative Positronium Ion Ps- (2004)
Schwalm,D., Fleischer,F., Lestinsky,M., Degreif,K., Gwinner,G., Liechtenstein,V., ...
Despite numerous theoretical papers on the properties of the negative positronium ion Ps-, which reflect the great interest in this fundamental system consisting of three leptons e+e-e-, so far only...
The high-resolution electron-ion collision facility at TSR (2004)
Sprenger,F., Lestinsky,M., Orlov,D., Schwalm,D., Wolf,A.
A new electron beam facility at the storage ring TSR is presented which makes electron-ion collision experiments possible without using the existing electron cooler device as an electron target. A...
Towards a new measurement of the decay rate of the negative Positronium Ion Ps- (2004)
Schwalm, D., Fleischer, F., Lestinsky, M., Degreif, K., Gwinner, G., Liechtenstein, V., ...
Despite numerous theoretical papers on the properties of the negative positronium ion Ps-, which reflect the great interest in this fundamental system consisting of three leptons e+e-e-, so far only...
The high resolution electron-ion collision facility at TSR (2004)
Sprenger, F., Lestinsky, M., Orlov, D., Schwalm, D., Wolf, A.
A new electron beam facility at the storage ring TSR is presented which makes electron-ion collision experiments possible without using the existing electron cooler device as an electron target. A...
The high-resolution electron-ion collision facility at TSR (2004)
Sprenger, F., Lestinsky, M., Orlov, D., Schwalm, D., Wolf, A.
A new electron beam facility at the storage ring TSR is presented which makes electron-ion collision experiments possible without using the existing electron cooler device as an electron target. A...
Photocathodes as electron sources for high resolution merged beam experiments
Orlov,D., Sprenger,F., Lestinsky,M., Weigel,U., Terekhov,A., Schwalm,D., ...
An ultra cold electron source was developed for the storage ring TSR in Heidelberg to study electron-ion interactions with high energy resolution. The heart of the source is a GaAs photocathode which...