Search

Your search keyword '"Haenni D"' showing total 106 results
Start Over Author "Haenni D"
106 results on '"Haenni D"'

2. The SSC Full Cell Prototype String Test

Author

McInturff, A D, Kraushaar, P, Burgett, W, Cromer, L, Gannon, J, Haenni, D, Hentges, M, Jaffrey, T, Levin, M, Mulholland, G, Revell, D, Richter, D, Robinson, W, Voy, D, Weisend, J, II, and Zatopek, J

Published
1994

6. The SSC full cell prototype string test

Author

Kraushaar, P., Burgett, W., Cromer, L., Gannon, J., Haenni, D., Hentges, M., Jaffery, T., Levin, M., McInturff, A.D., Mulholland, G., Revell, D., Richter, D., Robinson, W., Voy, D., Weisend, J., II, and Zatopek, J.

Subjects
Superconducting magnets -- Testing, Particle accelerators -- Testing, Business, Electronics, Electronics and electrical industries, Superconducting Super Collider -- Testing
Abstract

The Superconducting Super Collider (SSC) Laboratory's full cell magnet string testing program which began in Jan. 1994 provided researchers with answers to certain quenching issues surrounding the design and construction of the particle accelerator. However, the project, which involved the assembly of a full cell consisting 10 dipoles and two quadrupoles, failed to solve the problem of cryostat static heat leakage rates.

Published
1995

7. Half cell operations tests of the Superconducting Super Collider Laboratory

Author

McInturff, A.D., Augustynowicz, S., Burgett, W., Coombes, R., Dickey, C., Dombeck, T., Feitz, W., Flora, R., Gannon, J., Haenni, D., Kraushaar, P., Levin, M., McAshan, M., Mulholland, G., Murray, D., Robinson, W., Savord, T., Spinos, F., Tool, G., Weisend, J., II, Wallis, D., Voy, D., and Zbasnik, J.

Subjects
Magnetic fusion -- Research, Business, Electronics, Electronics and electrical industries, Superconducting Super Collider -- Research
Abstract

The experimental operation of a 100-m half cell for a superconducting super collider are reported. The tests on the 50-mm apeture magnet string, which are known as the Accelerator System String Test, involves data acquisition on operating procedures and parameters to supplement information obtained from test runs of a 17-m half cell with a 40-mm aperture. The 100-m long half cell is at the N-15 facility in Waxahachie, TX.

Published
1993

10. Long wavelength multiphoton excitation is advantageous for intravital kidney imaging

Author

UCL - SSS/IREC/NEFR - Pôle de Néphrologie, Schuh, C.D., Haenni, D., Craigie, E., Ziegler, U., Weber, B., Devuyst, O., Hall, Andrew M., UCL - SSS/IREC/NEFR - Pôle de Néphrologie, Schuh, C.D., Haenni, D., Craigie, E., Ziegler, U., Weber, B., Devuyst, O., and Hall, Andrew M.

Abstract

Intravital multiphoton microscopy is a powerful tool to study kidney physiology in living animals. However, certain technical issues have curbed its usage to date, including limited depth of tissue penetration and high background emission of endogenous signals. Most previous studies have used the excitation range 700–1000 nm. Since newer longer wavelength excitation lasers may provide solutions to these problems we constructed a microscope coupled to a laser tunable up to 1300 nm and optimized for kidney imaging. This set-up offers substantial advantages for intravital studies, especially when coupled with newly available far-red probes. First, the background at longer wavelengths is markedly reduced, thus increasing the signal to background ratio. Second, the depth of tissue penetration is significantly increased, enabling detailed imaging of previously inaccessible structures, such as deeper glomeruli. Third, using a combination of two- and three-photon excitation, multiple different fluorescent probes can be imaged simultaneously in the same animal, with clear spectral separation. Application of these techniques helped visualize pathological aspects of tubular cell function in a well-established model of acute kidney injury (maleate toxicity). Thus, utilizing long wavelength excitation offers substantial advantages for intravital kidney imaging, which together enhance the capabilities of this powerful and increasingly used research technique.

Published
2016

15. Structural Heterogeneity and Quantitative FRET Efficiency Distributions of Polyprolines through a Hybrid Atomistic Simulation and Monte Carlo Approach

Author

Hoefling, M, Lima, N, Haenni, D, Seidel, C A M, Schuler, B, Grubmüller, H, University of Zurich, and Grubmüller, H

Subjects
1000 Multidisciplinary, Molecular Structure, Science, Physics, Biophysics, 1100 General Agricultural and Biological Sciences, Biochemistry, Biophysics Simulations, Biophysics Theory, Energy Transfer, 1300 General Biochemistry, Genetics and Molecular Biology, Small Molecules, 10019 Department of Biochemistry, Fluorescence Resonance Energy Transfer, Medicine, 570 Life sciences, biology, Biochemistry Simulations, Coloring Agents, Peptides, Biology, Monte Carlo Method, Research Article
Abstract

Förster Resonance Energy Transfer (FRET) experiments probe molecular distances via distance dependent energy transfer from an excited donor dye to an acceptor dye. Single molecule experiments not only probe average distances, but also distance distributions or even fluctuations, and thus provide a powerful tool to study biomolecular structure and dynamics. However, the measured energy transfer efficiency depends not only on the distance between the dyes, but also on their mutual orientation, which is typically inaccessible to experiments. Thus, assumptions on the orientation distributions and averages are usually made, limiting the accuracy of the distance distributions extracted from FRET experiments. Here, we demonstrate that by combining single molecule FRET experiments with the mutual dye orientation statistics obtained from Molecular Dynamics (MD) simulations, improved estimates of distances and distributions are obtained. From the simulated time-dependent mutual orientations, FRET efficiencies are calculated and the full statistics of individual photon absorption, energy transfer, and photon emission events is obtained from subsequent Monte Carlo (MC) simulations of the FRET kinetics. All recorded emission events are collected to bursts from which efficiency distributions are calculated in close resemblance to the actual FRET experiment, taking shot noise fully into account. Using polyproline chains with attached Alexa 488 and Alexa 594 dyes as a test system, we demonstrate the feasibility of this approach by direct comparison to experimental data. We identified cis-isomers and different static local environments as sources of the experimentally observed heterogeneity. Reconstructions of distance distributions from experimental data at different levels of theory demonstrate how the respective underlying assumptions and approximations affect the obtained accuracy. Our results show that dye fluctuations obtained from MD simulations, combined with MC single photon kinetics, provide a versatile tool to improve the accuracy of distance distributions that can be extracted from measured single molecule FRET efficiencies.

Published
2011

19. Study of rotation-aligned bands in 190,192,194 Au

Author

Neskakis, A., Lieder, R. M., Beuscher, H., Gono, Y., Haenni, D. R., Müller-Veggian, M., Mayer-Böricke, C., Ehlers, J., editor, Hepp, K., editor, Kippenhahn, R., editor, Weidenmüller, H. A., editor, Zittartz, J., editor, Beiglböck, W., editor, and Robson, B. A., editor

Published
1976
Full Text
View/download PDF

24. PERSONAL COMPUTER CONTROL SYSTEM FOR THE TAMU K-500 CYCLOTRON.

Author

Haenni, D. R., Cowden, T., Hargis, C., Reimund, J., and Rogers, R. C.

Subjects
CYCLOTRONS, PARTICLE accelerator design & construction, AUTOMATION, PARALLEL processing, GENERATORS (Computer programs), PARTICLE accelerators
Published
1991

26. Angular momentum bearing modes and nuclear structure effects in12C-induced fission

Author

Schmitt, R. P., Mouchaty, G., Haenni, D. R., and Tirion, M.

Abstract

The angular momenta of the fragments produced in several 100 and 180 MeV12C induced fission reactions have been investigated using?-ray multiplicity (M?) techniques. The averageM? increases with both the bombarding energy and the total mass of the system. The dependence ofM? on mass asymmetry is generally rather weak, except in regions near shell closures, where local minima are observed. The magnitudes ofM? tend to be larger than expected on the basis of rigid rotation, possibly due to the excitation of collective modes. A comparison is made with a statistical model.

Published
1985
Full Text
View/download PDF

27. Angular momentum alignment in the reaction154Sm+214 MeV32S

Author

Mouchaty, G., Haenni, D. R., Nath, S., Garg, U., and Schmitt, R. P.

Abstract

Angular momentum alignment in the reaction154Sm+214 MeV32S has been investigated using discrete-line?-ray techniques. The anisotropies of stretchedE2 transitions from the target-like fragments reach approximately three at the largest energy losses, implying rather strong alignment. The results are compared with the predictions of a simple model.

Published
1984
Full Text
View/download PDF

28. Isomeric states in134Ba

Author

Morek, T., Beuscher, H., Bochev, B., Haenni, D. R., Lieder, R. M., Kutsarova, T., Müller-Veggian, M., and Neskakis, A.

Abstract

Several new levels including two isomeric states have been established in134Ba. Spin and parity assignments of 10+ and 5- are proposed for the isomers. The former may have a " configuration while the latter may be either " or ".

Published
1980
Full Text
View/download PDF

29. 10+ isomers observed in even-even 78-neutron nuclei

Author

Müller-Veggian, M., Beuscher, H., Lieder, R. M., Gono, Y., Haenni, D. R., Neskakis, A., and Mayer-Böricke, C.

Abstract

Isomeric states with spinIp=10+ were found in the nuclei138Nd and140Sm. These states are interpreted as having a [vh11/2]-2 configuration. The systematical behaviour of these isomers in the isotones136Ce,138Nd and140Sm is discussed.

Published
1979
Full Text
View/download PDF

30. PROPERTIES OF SIDE BANDS OBSERVED IN OS-180

Author

NESKAKIS, A, LIEDER, RM, BEUSCHER, H, BOCHEV, B, HAENNI, D, MULLERVEGGIAN, M, SLETTEN, G, NESKAKIS, A, LIEDER, RM, BEUSCHER, H, BOCHEV, B, HAENNI, D, MULLERVEGGIAN, M, and SLETTEN, G

Published
1982

32. BACKBENDING BEHAVIOR AND DECAY OF A HIGH-SPIN ISOMER IN W-179

Author

BERNTHAL, FM, BACK, BB, BAKANDER, O, BORGGREEN, J, PEDERSEN, J, SLETTEN, G, BEUSCHER, H, HAENNI, D, LIEDER, R, MAYERBORICKE, C, BERNTHAL, FM, BACK, BB, BAKANDER, O, BORGGREEN, J, PEDERSEN, J, SLETTEN, G, BEUSCHER, H, HAENNI, D, LIEDER, R, and MAYERBORICKE, C

Published
1978

38. Observation of a New Isomer inPo212

Author

Lieder, R. M., primary, Didelez, J. P., additional, Beuscher, H., additional, Haenni, D. R., additional, Müller-Veggian, M., additional, Neskakis, A., additional, and Mayer-Böricke, C., additional

Published
1978
Full Text
View/download PDF

45. Linear momentum and angular momentum transfer in the reactions ofO16withSm154

Author

Namboodiri, M. N., primary, Choudhury, R. K., additional, Adler, L., additional, Bronson, J. D., additional, Fabris, D., additional, Garg, U., additional, Gonthier, P. L., additional, Hagel, K., additional, Haenni, D. R., additional, Lui, Y. W., additional, Majka, Z., additional, Mouchaty, G., additional, Murakami, T., additional, Natowitz, J. B., additional, Nebbia, G., additional, Schmitt, R. P., additional, Simon, S., additional, Sullivan, J. P., additional, and Youngblood, D. H., additional

Published
1987
Full Text
View/download PDF

49. Collider scenario implications of ASST operation.

Author

McInturff, A.D., Burgett, W., Christianson, M., Dombeck, T., Gannon, J., Haenni, D., Kraushaar, P., Levin, M., McAshan, M., Mulholland, G., Murray, D., Robinson, W., Savord, T., Smellie, R., Spinos, F., Tool, G., Weisend, J., and Zatopek, J.

Published
1993
Full Text
View/download PDF

Catalog

Books, media, physical & digital resources
See catalog results