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Microgravity experiments on the collisional behavior of Saturnian ring particles
- D. Heißelmann, J. Blum, United Kingdom.
- Physics
- 24 August 2009
VLT-ISAAC 3-5 μm spectroscopy of embedded young low-mass stars. III. Intermediate-mass sources in vela
- W. Thi, E. Dishoeck, U. Strathclyde
- Physics
- 7 December 2005
Aims. We study in this paper the ice composition in the envelope around intermediate-mass class I Young Stellar Objects (YSOs). Methods. We performed a spectroscopic survey toward five…
Accessible information and optimal strategies for real symmetrical quantum sources
- M. Sasaki, S. Barnett, Tamagawa University
- Computer Science
- 22 December 1998
We study the problem of optimizing the Shannon mutual information for sources of real quantum states, i.e., sources for which there is a basis in which all of the states have only real components. We…
Recombination of W19+ ions with electrons: Absolute rate coefficients from a storage-ring experiment and from theoretical calculations
- K. Spruck, N. Badnell, Usa
- Physics
- 8 September 2014
We present experimentally measured and theoretically calculated rate coefficients for the electron-ion recombination of W18+([Kr]4d104f10) forming W17+. At low electron-ion collision energies, the…
European Strategy for Particle Physics -- Accelerator R&D Roadmap
- C. Adolphsen, D. Angal-Kalinin, United Kingdom.
- Physics
- 19 January 2022
The 2020 update of the European Strategy for Particle Physics emphasised the importance of an intensified and well-coordinated programme of accelerator R&D, supporting the design and delivery of…
CU Virginis - the first stellar pulsar
- B. Kellett, V. Graffagnino, J. Observatory
- Physics
- 8 January 2007
CU Virginis is one of the brightest radio emitting members of the magnetic chemically peculiar (MCP) stars and also one of the fastest rotating. We have now discovered that CU Vir is unique among…
DIELECTRONIC RECOMBINATION IN PHOTOIONIZED GAS. II. LABORATORY MEASUREMENTS FOR
- D. Savin, S. Kahn, U. Strathclyde
- Physics
- 12 March 1999
In photoionized gases with cosmic abundances, dielectronic recombination (DR) proceeds primarily via nlj ) nl@j@ core excitations (*n \ 0 DR). We have measured the resonance strengths and energies…
CO2 formation in quiescent clouds : an experimental study of the CO + OH pathway
The formation of CO2 in quiescent regions of molecular clouds is not yet fully understood, despite CO2 having an abundance of around 10%-34% H2O. We present a study of the formation of CO2 via the…
Optimal parameter estimation of a depolarizing channel
- M. Sasaki, M. Ban, U. Strathclyde
- Mathematics
- 22 March 2002
We investigate strategies for estimating a depolarizing channel for a finite dimensional system. Our analysis addresses the double optimization problem of selecting the best input probe state and the…
Phase-dependent interaction in a four-level atomic configuration
- G. Morigi, S. Franke-Arnold, UK.
- Physics
- 16 July 2002
We study a four-level atomic scheme interacting with four lasers in a closed-loop configuration with a ⋄ (diamond) geometry. We investigate the influence of the laser phases on the steady state. We…
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