Zobrazeno 1 - 10
of 1 231
pro vyhledávání: '"Schwalm D"'
Autor:
Meyer, C., Becker, A., Blaum, K., Breitenfeldt, C., George, S., Göck, J., Grieser, M., Grussie, F., Guerin, E. A., von Hahn, R., Herwig, P., Krantz, C., Kreckel, H., Lion, J., Lohmann, S., Mishra, P. M., Novotný, O., O'Connor, A. P., Repnow, R., Saurabh, S., Schwalm, D., Schweikhard, L., Spruck, K., Kumar, S. Sunil, Vogel, S., Wolf, A.
Publikováno v:
Phys. Rev. Lett. 119, 023202 (2017)
Photodetachment thermometry on a beam of OH$^-$ in a cryogenic storage ring cooled to below 10 K is carried out using two-dimensional, frequency and time dependent photodetachment spectroscopy over 20 minutes of ion storage. In equilibrium with the l
Externí odkaz:
http://arxiv.org/abs/1707.04889
Autor:
Novotný, O., Allgeier, S., Enss, C., Fleischmann, A., Gamer, L., Hengstler, D., Kempf, S., Krantz, C., Pabinger, A., Pies, C., Savin, D. W., Schwalm, D., Wolf, A.
Publikováno v:
Journal of Applied Physics 118, 104503 (2015)
We have systematically investigated the energy resolution of a magnetic micro-calorimeter (MMC) for atomic and molecular projectiles at impact energies ranging from $E\approx13$ to 150 keV. For atoms we obtained absolute energy resolutions down to $\
Externí odkaz:
http://arxiv.org/abs/1505.07222
Autor:
Novotný, O., Berg, M., Bing, D., Buhr, H., Geppert, W., Grieser, M., Grussie, F., Krantz, C., Mendes, M. B., Nordhorn, C., Repnow, R., Schwalm, D., Yang, B., Wolf, A., Savin, D. W.
We have investigated dissociative recombination (DR) of NH$^+$ with electrons using a merged beams configuration at the TSR heavy-ion storage ring located at the Max Planck Institute for Nuclear Physics in Heidelberg, Germany. We present our measured
Externí odkaz:
http://arxiv.org/abs/1407.0538
Autor:
Gwinner, G., Botermann, B., Geppert, C., Huber, G., Karpuk, S., Krieger, A., Nörtershäuser, W., Novotny, C., Kühl, T., Sanchez, R., Stöhlker, T., Bing, D., Schwalm, D., Wolf, A., Hänsch, T. W., Reinhardt, S., Saathoff, G.
We give a brief overview of time dilation tests using high-resolution laser spectroscopy at heavy-ion storage rings. We reflect on the various methods used to eliminate the first-order Doppler effect and on the pitfalls encountered, and comment on po
Externí odkaz:
http://arxiv.org/abs/1309.0549
Autor:
Novotný, O., Becker, A., Buhr, H., Domesle, C., Geppert, W., Grieser, M., Krantz, C., Kreckel, H., Repnow, R., Schwalm, D., Spruck, K., Stützel, J., Yang, B., Wolf, A., Savin, D. W.
We have measured dissociative recombination of HCl+ with electrons using a merged beams configuration at the heavy-ion storage ring TSR located at the Max Planck Institute for Nuclear Physics in Heidelberg, Germany. We present the measured absolute m
Externí odkaz:
http://arxiv.org/abs/1307.2995
Autor:
Tamo, F. O. Waffeu, Buhr, H., Motapon, O., Altevogt, S., Andrianarijaona, V. M., Grieser, M., Lammich, L., Lestinsky, M., Motsch, M., Nevo, I., Novotny, S., Orlov, D. A., Pedersen, H. B., Schwalm, D., Sprenger, F., Urbain, X., Weigel, U., Wolf, A., Schneider, I. F.
The collision-energy resolved rate coefficient for dissociative recombination of HD+ ions in the vibrational ground state is measured using the photocathode electron target at the heavy-ion storage ring TSR. Rydberg resonances associated with ro-vibr
Externí odkaz:
http://arxiv.org/abs/1107.5267
Autor:
Saathoff, G., Reinhardt, S., Holzwarth, R., Hänsch, T. W., Udem, Th., Bing, D., Schwalm, D., Wolf, A., Karpuk, S., Huber, G., Novotny, C., Botermann, B., Geppert, C., Nörtershäuser, W., Kühl, T., Stöhlker, T., Gwinner, G.
Publikováno v:
Eur. Phys. J. C (2011) 71: 1596
In an article "Missing Transverse-Doppler Effect in Time-Dilation Experiments with High-Speed Ions" by S. Devasia [arXiv:1003.2970v1], our recent Doppler shift experiments on fast ion beams are reanalyzed. Contrary to our analysis, Devasia concludes
Externí odkaz:
http://arxiv.org/abs/1102.5657
Autor:
Buhr, H., Mendes, M. B., Novotný, O., Schwalm, D., Berg, M. H., Bing, D., Heber, O., Krantz, C., Orlov, D. A., Rappaport, M. L., Sorg, T., Stützel, J., Varju, J., Wolf, A., Zajfman, D.
We report on an energy-sensitive imaging detector for studying the fragmentation of polyatomic molecules in the dissociative recombination of fast molecular ions with electrons. The system is based on a large area (10 cm x 10 cm) position-sensitive,
Externí odkaz:
http://arxiv.org/abs/1003.5101
Autor:
Novotny, S., Rubinstein, H., Buhr, H., Novotný, O., Hoffmann, J., Mendes, M. B., Orlov, D. A., Berg, M. H., Froese, M., Jaroshevich, A. S., Jordon-Thaden, B., Krantz, C., Lange, M., Lestinsky, M., Petrignani, A., Schneider, I. F., Shafir, D., Tamo, F. O. Waffeu, Zajfman, D., Schwalm, D., Wolf, A.
Publikováno v:
J. Phys.: Conf. Ser. 192 (2009) 012024
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 twin merged beam experiment. The anisotropy described
Externí odkaz:
http://arxiv.org/abs/0810.0417
Autor:
Bree, N., Stefanescu, I., Butler, P. A., Cederkäll, J., Davinson, T., Delahaye, P., Eberth, J., Fedorov, D., Fedosseev, V. N., Fraile, L. M., Franchoo, S., Georgiev, G., Gladnishki, K., Huyse, M., Ivanov, O., Iwanicki, J., Jolie, J., Köster, U., Kröll, Th., Krücken, R., Marsh, B. A., Niedermaier, O., Reiter, P., Scheit, H., Schwalm, D., Sieber, T., Van de Walle, J., Van Duppen, P., Warr, N., Weisshaar, D., Wenander, F., Zemlyanoy, S.
Publikováno v:
Phys.Rev.C78:047301,2008
The $B(E2;0^+\to2^+)$ value in $^{68}$Ni has been measured using Coulomb excitation at safe energies. The $^{68}$Ni radioactive beam was post-accelerated at the ISOLDE facility (CERN) to 2.9 MeV/u. The emitted $\gamma$ rays were detected by the MINIB
Externí odkaz:
http://arxiv.org/abs/0803.0649