Zobrazeno 1 - 10
of 94
pro vyhledávání: '"Stockett, M. H."'
Autor:
Giacomozzi, L., Kjær, C., Knudsen, J. Langeland, Andersen, L. H., Nielsen, S. Brøndsted, Stockett, M. H.
We report the absorption profile of isolated Flavin Adenine Dinucleotide (FAD) mono-anions recorded using Photo-Induced Dissociation action spectroscopy. In this charge state, one of the phosphoric acid groups is deprotonated and the chromophore itse
Externí odkaz:
http://arxiv.org/abs/1805.05140
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
Autor:
de Ruette, N., Dochain, A., Launoy, T., Nascimento, R. F., Kaminska, M., Stockett, M. H., Vaeck, N., Schmidt, H. T., Cederquist, H., Urbain, X.
Publikováno v:
Phys. Rev. Lett. 121, 083401 (2018)
We have measured total absolute cross sections for the Mutual Neutralization (MN) of O- with O+/N+. A fine resolution (of about 50 meV) in the kinetic energy spectra of the product neutral atoms allows unique identification of the atomic states parti
Externí odkaz:
http://arxiv.org/abs/1804.08457
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:
Chartkunchand, K. C., Stockett, M. H., Anderson, E. K., Eklund, G., Kristiansson, M. K., Kamińska, M., de Ruette, N., Blom, M., Björkhage, M., Källberg, A., Löfgren, P., Reinhed, P., Rosén, S., Simonsson, A., Zettergren, H., Schmidt, H. T., Cederquist, H.
Publikováno v:
Review of Scientific Instruments 89, 033112 (2018)
A sputter ion source with a solid graphite target has been used to produce dianions with a focus on carbon cluster dianions, $\text{C}_{n}^{2-}$, with $n=7-24$. Singly and doubly charged anions from the source were accelerated together to kinetic ene
Externí odkaz:
http://arxiv.org/abs/1804.00233
Autor:
Wolf, M., Kiefer, H. V., Langeland, J., Andersen, L. H., Zettergren, H., Schmidt, H. T., Cederquist, H., Stockett, M. H.
We have investigated the photo-stability of pristine and super-hydrogenated pyrene cations C$_{16}$H$_{10+m}^+, m = 0,6, \mathrm{\ or\ } 16$) by means of gas-phase action spectroscopy. Optical absorption spectra and photo-induced dissociation mass sp
Externí odkaz:
http://arxiv.org/abs/1609.04264
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
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