Zobrazeno 1 - 10
of 247
pro vyhledávání: '"Gatchell M"'
Autor:
Thomas R.D., Schmidt H.T., Gatchell M., Rosén S., Reinhed P., Löfgren P., Brännholm L., Blom M., Björkhage M., Bäckström E., Alexander J.D., Leontein S., Hanstorp D., Zettergren H., Kaminska M., Nascimento R., Liljeby L., Källberg A., Simonsson A., Hellberg F., Mannervik S., Larsson M., Geppert W.D., Rensfelt K.G., Paál A., Masuda M., Halldén P., Andler G., Stockett M.H., Chen T., Källersjö G., Weimer J., Hansen K., Hartman H., Cederquist H.
Publikováno v:
EPJ Web of Conferences, Vol 84, p 01004 (2015)
Here we will briefly describe the commissioning of the Double ElectroStatic Ion Ring ExpEriment (DESIREE) facility at Stockholm University, Sweden. This device uses purely electrostatic focussing and deflection elements and allows ion beams of opposi
Externí odkaz:
https://doaj.org/article/ba09025e9d1849529fdd149b38cb7d56
Publikováno v:
J. Chem. Phys. 152, 014303 (2020)
The addition of small impurities, such as a single proton charge carrier, in noble gas clusters has recently been shown to have considerable effects on their geometries and stabilities. Here we report on a mass spectrometric study of cationic cluster
Externí odkaz:
http://arxiv.org/abs/1912.00754
Autor:
Anderson, E. K., Kamińska, M., Chartkunchand, K. C., Eklund, G., Gatchell, M., Hansen, K., Zettergren, H., Cederquist, H., Schmidt, H. T.
Publikováno v:
Phys. Rev. A 98, 022705 (2018)
Spontaneous decays of small, hot silver cluster anions Ag$_{n}$, $n=4-7$ have been studied using one of the rings of the Double ElectroStatic Ion Ring ExpEriment (DESIREE). Observation of these decays over very long time scales is possible due to the
Externí odkaz:
http://arxiv.org/abs/1805.12437
Autor:
de Ruette, N., Wolf, M., Giacomozzi, L., Alexander, J. D., Gatchell, M., Stockett, M. H., Haag, N., Zettergren, H., Schmidt, H. T., Cederquist, H.
We give a detailed description of an electrospray ion source test bench and a single-pass setup for ion fragmentation studies at the DESIREE infrastructure at Stockholm University. This arrangement allows for collision induced dissociation experiment
Externí odkaz:
http://arxiv.org/abs/1805.05075
Publikováno v:
Carbon 139, 906 (2018)
We have measured the threshold center-of-mass kinetic energy for knocking out a single carbon atom from C$_{60}^-$ in collisions with He. Combining this experimental result with classical molecular dynamics simulations, we determine a semi-empirical
Externí odkaz:
http://arxiv.org/abs/1804.04374
Autor:
Hansen, K., Stockett, M. H., Kaminska, M., Nascimento, R. F., Anderson, E. K., Gatchell, M., Chartkunchand, K. C., Eklund, G., Zettergren, H., Schmidt, H. T., Cederquist, H.
Publikováno v:
Phys. Rev. A, 95, 022511 (2017)
We have measured the spontaneous neutral particle emission from copper cluster anions (Cu$_n^-$, $n=3-6$) stored at cryogenic temperatures in one of the electrostatic ion storage rings of the DESIREE (Double ElectroStatic Ion Ring ExpEriment) facilit
Externí odkaz:
http://arxiv.org/abs/1804.00590
Autor:
Schmidt, H. T., Thomas, R. D., Gatchell, M., Rosén, S., Reinhed, P., Löfgren, P., Brännholm, L., Blom, M., Björkhage, M., Bäckström, E., Alexander, J. D., Leontein, S., Hanstorp, D., Zettergren, H., Liljeby, L., Källberg, A., Simonsson, A., Hellberg, F., Mannervik, S., Larsson, M., Geppert, W. D., Rensfelt, K. G., Danared, H., Paál, A., Masuda, M., Halldén, P., Andler, G., Stockett, M. H., Chen, T., Källersjö, G., Weimer, J., Hansen, K., Hartman, H., Cederquist, H.
Publikováno v:
Rev. Sci. Instrum. 84, 055115 (2013)
We report on the first storage of ion beams in the Double ElectroStatic Ion Ring ExpEriment; DESIREE, at Stockholm University. We have produced beams of atomic carbon anions and small carbon anion molecules (C$_n^-$, $n=1,2,3,4$) in a sputter ion sou
Externí odkaz:
http://arxiv.org/abs/1804.00129
Autor:
Schmidt, H. T., Eklund, G., Chartkunchand, K. C., Anderson, E. K., Kamińska, M., de Ruette, N., Thomas, R. D., Kristiansson, M. K., Gatchell, M., Reinhed, P., Rosén, S., Simonsson, A., Källberg, A., Löfgren, P., Mannervik, S., Zettergren, H., Cederquist, H.
Publikováno v:
Phys. Rev. Lett. 119, 073001 (2017)
We apply near-threshold laser photodetachment to characterize the rotational quantum level distribution of OH$^-$ ions stored in the cryogenic ion-beam storage ring, DESIREE, at Stockholm University. We find that the stored ions relax to a rotational
Externí odkaz:
http://arxiv.org/abs/1803.10518
Autor:
Stockett, M. H., Gatchell, M., Chen, T., de Ruette, N., Giacomozzi, L., Wolf, M., Schmidt, H. T., Zettergren, H., Cederquist, H.
Publikováno v:
J Phys Chem Lett 2015 6 4504
We have measured absolute cross sections for ultrafast (fs) single-carbon knockout from Polycyclic Aromatic Hydrocarbon (PAH) cations as functions of He-PAH center-of-mass collision energy in the range 10-200 eV. Classical Molecular Dynamics (MD) sim
Externí odkaz:
http://arxiv.org/abs/1511.05742
Autor:
Linnartz, H., Cami, J., Cordiner, M., Cox, N.L.J., Ehrenfreund, P., Foing, B., Gatchell, M., Scheier, P.
Publikováno v:
In Journal of Molecular Spectroscopy January 2020 367