Search Results - "Altevogt, S."

High-resolution dissociative recombination of cold H3+and first evidence for nuclear spin effects by Kreckel, H, Motsch, M, Mikosch, J, Glosík, J, Plasil, R, Altevogt, S, Andrianarijaona, V, Buhr, H, Hoffmann, J, Lammich, L, Lestinsky, M, Nevo, I, Novotny, S, Orlov, D A, Pedersen, H B, Sprenger, F, Terekhov, A S, Toker, J, Wester, R, Gerlich, D, Schwalm, D, Wolf, A, Zajfman, D

“…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…”
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High-Resolution Dissociative Recombination of Cold H 3 + and First Evidence for Nuclear Spin Effects by Kreckel, H., Motsch, M., Mikosch, J., Glosík, J., Plašil, R., Altevogt, S., Andrianarijaona, V., Buhr, H., Hoffmann, J., Lammich, L., Lestinsky, M., Nevo, I., Novotny, S., Orlov, D. A., Pedersen, H. B., Sprenger, F., Terekhov, A. S., Toker, J., Wester, R., Gerlich, D., Schwalm, D., Wolf, A., Zajfman, D.

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Crossed beam photodissociation imaging of HeH+ with vacuum ultraviolet free-electron laser pulses by Pedersen, H B, Altevogt, S, Jordon-Thaden, B, Heber, O, Rappaport, M L, Schwalm, D, Ullrich, J, Zajfman, D, Treusch, R, Guerassimova, N, Martins, M, Hoeft, J-T, Wellhöfer, M, Wolf, A

“…Molecular photofragmentation has been studied by event imaging on HeH+ ions at 32 nm (38.7 eV) in a fast ion beam crossed with the free-electron laser in…”
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Rotational cooling of HD+ molecular ions by superelastic collisions with electrons by Shafir, D, Novotny, S, Buhr, H, Altevogt, S, Faure, A, Grieser, M, Harvey, A G, Heber, O, Hoffmann, J, Kreckel, H, Lammich, L, Nevo, I, Pedersen, H B, Rubinstein, H, Schneider, I F, Schwalm, D, Tennyson, J, Wolf, A, Zajfman, D

“…Merging an HD+ beam with velocity matched electrons in a heavy ion storage ring we observed rapid cooling of the rotational excitations of the HD+ ions by…”
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Numerical modeling of carbon dioxide in unsaturated soils due to deep subsurface leakage by Altevogt, A.S, Celia, M.A

“…A two‐dimensional numerical model was utilized to explore the flux mechanisms governing CO2 transport in the vadose zone. The simulations were set up to…”
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Modeling the effects of gas phase CO2 intrusion on the biogeochemistry of variably saturated soils by Altevogt, A.S, Jaffe, P.R

“…The transport of gas phase carbon dioxide through unsaturated soils has the potential to significantly alter the soil biogeochemistry. Leakage of CO2 from deep…”
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Dissociative recombination and low-energy inelastic electron collisions of the helium dimer ion by Pedersen, H. B., Buhr, H., Altevogt, S., Andrianarijaona, V., Kreckel, H., Lammich, L., de Ruette, N., Staicu-Casagrande, E. M., Schwalm, D., Strasser, D., Urbain, X., Zajfman, D., Wolf, A.

“…The dissociative recombination (DR) of {sup 3}He {sup 4}He{sup +} has been investigated at the heavy-ion Test Storage Ring (TSR) in Heidelberg by observing…”
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Evidence for subthermal rotational populations in stored molecular ions through state-dependent dissociative recombination by Lammich, L, Strasser, D, Kreckel, H, Lange, M, Pedersen, H B, Altevogt, S, Andrianarijaona, V, Buhr, H, Heber, O, Witte, P, Schwalm, D, Wolf, A, Zajfman, D

“…We demonstrate that the dissociative recombination of D2H+ with low-energy electrons depends on the rotational energy of the molecular ion such that highly…”
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Density and pressure effects on the transport of gas phase chemicals in unsaturated porous media by Altevogt, Andrew S., Rolston, Dennis E., Venterea, Rodney T.

“…The density of gas phase contaminants may be responsible for several important transport phenomena in porous media. One‐dimensional laboratory experiments were…”
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New equations for binary gas transport in porous media,: Part 1: equation development by Altevogt, Andrew S., Rolston, Dennis E., Whitaker, Stephen

“…A rigorous understanding of the mass and momentum conservation equations for gas transport in porous media is vital for many environmental and industrial…”
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New equations for binary gas transport in porous media, Part 2: experimental validation by Altevogt, Andrew S., Rolston, Dennis E., Whitaker, Stephen

“…A previous study [Water Resour Res 39 (3) (2003) doi:10.1029/2002WR001338] questioned the validity of the traditional advection–dispersion equation for…”
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Electron-impact dissociation and transient properties of a stored LiH-2 beam by LAMMICH, L, ALTEVOGT, S, QU, Z.-W, ZHU, H, SCHWALM, D, ZAJFMAN, D, WOLF, A, BUHR, H, KRECKEL, H, KROHN, S, LANGE, M, STRASSER, D, REPNOW, R, GRIESER, M, SCHINKE, R

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Effects of molecular rotation in low-energy electron collisions of by Wolf, Andreas, Kreckel, H, Lammich, L, Strasser, D, Mikosch, J, Glosík, J, Plašil, R, Altevogt, S, Andrianarijaona, V, Buhr, H, Hoffmann, J, Lestinsky, M, Nevo, I, Novotny, S, Orlov, D.A, Pedersen, H.B, Terekhov, A.S, Toker, J, Wester, R, Gerlich, D, Schwalm, D, Zajfman, D

“…Measurements on the energetic structure of the dissociative recombination rate coefficient in the millielectronvolt range are described for…”
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New equations for binary gas transport in porous media by Altevogt, Andrew S., Rolston, Dennis E., Whitaker, Stephen

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Assignment of resonances in dissociative recombination of HD + ions: High-resolution measurements compared with accurate computations by Waffeu Tamo, F. O., 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{sup +} ions in the vibrational ground state is measured using the…”
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Electron-impact dissociation and transient properties of a stored LiH2 - beam by Lammich, L., Altevogt, S., Buhr, H., Kreckel, H., Krohn, S., Lange, M., Strasser, D., Repnow, R., Grieser, M., Schinke, R., Qu, Z.-W., Zhu, H., Schwalm, D., Zajfman, D., Wolf, A.

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Effects of Molecular Rotation in Low-Energy Electron Collisions of H by Wolf, Andreas, Kreckel, H., Lammich, L., Strasser, D., Mikosch, J., Glosík, J., Plašil, R., Altevogt, S., Andrianarijaona, V., Buhr, H., Hoffmann, J., Lestinsky, M., Nevo, I., Novotny, S., Orlov, D. A., Pedersen, H. B., Terekhov, A. S., Toker, J., Wester, R., Gerlich, D., Schwalm, D., Zajfman, D.

“…Measurements on the energetic structure of the dissociative recombination rate coefficient in the millielectronvolt range are described for H₃⁺ ions produced…”
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Effects of molecular rotation in low-energy electron collisions of H3 by Wolf, Andreas, Kreckel, H, Lammich, L, Strasser, D, Mikosch, J, Glosík, J, Plasil, R, Altevogt, S, Andrianarijaona, V, Buhr, H, Hoffmann, J, Lestinsky, M, Nevo, I, Novotny, S, Orlov, D A, Pedersen, H B, Terekhov, A S, Toker, J, Wester, R, Gerlich, D, Schwalm, D, Zajfman, D

“…Measurements on the energetic structure of the dissociative recombination rate coefficient in the millielectronvolt range are described for H3+ ions produced…”
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Modeling the effects of gas phase CO 2 intrusion on the biogeochemistry of variably saturated soils by Altevogt, Andrew S., Jaffe, Peter R.

“…The transport of gas phase carbon dioxide through unsaturated soils has the potential to significantly alter the soil biogeochemistry. Leakage of CO 2 from…”
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Three-body kinematical correlation in the dissociative recombination of CH 2 + by three-dimensional imaging by Nevo, I., Novotny, S., Buhr, H., Andrianarijaona, V., Altevogt, S., Heber, O., Hoffmann, J., Kreckel, H., Lammich, L., Lestinsky, M., Pedersen, H. B., Schwalm, D., Wolf, A., Zajfman, D.

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