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Title: Towards laser spectroscopy of the proton-halo candidate boron-8

Authors:
; ; ; ; ; ; ; ; ; ; ; ;
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Science - Office of Nuclear Physics; German Research Foundation (DFG)
OSTI Identifier:
1418166
DOE Contract Number:
AC02-06CH11357
Resource Type:
Conference
Resource Relation:
Conference: 10th International Workshop on Application of Lasers and Storage Devices in Atomic Nuclei Research: “Recent Achievements and Future Prospects” (LASER 2016), 05/16/16 - 05/19/16, Posnan, Poland
Country of Publication:
United States
Language:
English

Citation Formats

Maass, Bernhard, Mueller, Peter, Noertershaeuser, Wilfried, Clark, Jason, Gorges, Christian, Kaufmann, Simon, Koenig, Kristian, Kraemer, Joerg, Levand, Athony, Orford, Rodney, Sanchez, Rodolfo, Savard, Guy, and Sommer, Felix. Towards laser spectroscopy of the proton-halo candidate boron-8. United States: N. p., 2017. Web.
Maass, Bernhard, Mueller, Peter, Noertershaeuser, Wilfried, Clark, Jason, Gorges, Christian, Kaufmann, Simon, Koenig, Kristian, Kraemer, Joerg, Levand, Athony, Orford, Rodney, Sanchez, Rodolfo, Savard, Guy, & Sommer, Felix. Towards laser spectroscopy of the proton-halo candidate boron-8. United States.
Maass, Bernhard, Mueller, Peter, Noertershaeuser, Wilfried, Clark, Jason, Gorges, Christian, Kaufmann, Simon, Koenig, Kristian, Kraemer, Joerg, Levand, Athony, Orford, Rodney, Sanchez, Rodolfo, Savard, Guy, and Sommer, Felix. Mon . "Towards laser spectroscopy of the proton-halo candidate boron-8". United States. doi:. https://www.osti.gov/servlets/purl/1418166.
@article{osti_1418166,
title = {Towards laser spectroscopy of the proton-halo candidate boron-8},
author = {Maass, Bernhard and Mueller, Peter and Noertershaeuser, Wilfried and Clark, Jason and Gorges, Christian and Kaufmann, Simon and Koenig, Kristian and Kraemer, Joerg and Levand, Athony and Orford, Rodney and Sanchez, Rodolfo and Savard, Guy and Sommer, Felix},
abstractNote = {},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Mon Feb 06 00:00:00 EST 2017},
month = {Mon Feb 06 00:00:00 EST 2017}
}

Conference:
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  • The psuedo univariate limit of detection was calculated to compare to the multivariate interval. ompared with results from the psuedounivariate LOD, the multivariate LOD includes other factors (i.e. signal uncertainties) and the reveals the significance in creating models that not only use the analyte’s emission line but also its entire molecular spectra.
  • High-precision mass and charge radius measurements on {sup 17-22}Ne, including the proton-halo candidate {sup 17}Ne, have been performed with Penning trap mass spectrometry and collinear laser spectroscopy. The {sup 17}Ne mass uncertainty is improved by factor 50, and the charge radii of {sup 17-19}Ne are determined for the first time. The fermionic molecular dynamics model explains the pronounced changes in the ground-state structure. It attributes the large charge radius of {sup 17}Ne to an extended proton configuration with an s{sup 2} component of about 40%. In {sup 18}Ne the smaller radius is due to a significantly smaller s{sup 2} component.more » The radii increase again for {sup 19-22}Ne due to cluster admixtures.« less
  • The 6.7-MeV, 100-mA proton beam being produced in the Low Energy Demonstration Accelerator (LEDA) RFQ will be injected into a 52-magnet lattice in order to study the formation of beam halo [1]. The LEDA RFQ beam has a rms size of 1 mm. At nine longitudinal locations along the lattice an assembly that incorporates both a wire scanner and a halo-scraper assembly will be placed to make current density measurements of the beam.
  • No abstract prepared.
  • In this paper we review the present picture of km halo in proton linacs. Space-charge forces acting in mismatched beams have been identified as a major cause of beam-halo. We present a definition of halo based on a ratio of moments of the distribution of the beam coordinates. We find from our initial studies that for halo detined in this way, a beam can have rms emittance growth without halo growth, but halo growth is always accompanied by rms emittance growth. We describe the beam-halo experiment that is in preparation at Los Alamos, which will address questions about the beammore » profiles, maximum particle amplitudes, and rms emittance growth associated with the halo.« less