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1. X-rays, γ-rays and Proton Beam Monitoring with Multimode Nitrogen-doped Optical Fiber

Author

Girard, S., Di Francesca, D., Morana, A., Hoehr, C., Paillet, P., Duzenli, C., Kerboub, N., Reghioua, I., Vecchi, G. Li, Alessi, A., Duhamel, O., Trinczek, M., Marin, E., Boukenter, A., Ouerdane, Y., Mekki, J., Alia, R. Garcia, Kadi, Y., Brugger, M., Laboratoire Hubert Curien [Saint Etienne] (LHC), Université Jean Monnet [Saint-Étienne] (UJM)-Centre National de la Recherche Scientifique (CNRS)-Institut d'Optique Graduate School (IOGS), European Organization for Nuclear Research (CERN), TRIUMF [Vancouver], DAM Île-de-France (DAM/DIF), Direction des Applications Militaires (DAM), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA), British Columbia Cancer Research Centre [British Columbia, Canada], Centre National d'Études Spatiales [Toulouse] (CNES), Laboratoire Hubert Curien (LHC), and Institut d'Optique Graduate School (IOGS)-Université Jean Monnet - Saint-Étienne (UJM)-Centre National de la Recherche Scientifique (CNRS)

Subjects
[SPI]Engineering Sciences [physics], [PHYS.COND]Physics [physics]/Condensed Matter [cond-mat]
Abstract

International audience; We investigated the potential of a multimode (50 μ m core diameter) nitrogen doped silica-based optical fiber for X-rays, protons and γ-rays radiation detection and dosimetry. X-rays results confirm that this N-doped fiber presents a strong radioluminescence (RL) around 550 nm when exposed to radiation. The RL observed from a few cm long sample linearly depends on the dose rate at least in the 1 mGy/s to 50 Gy/s range. Low dose rate γ-ray tests demonstrate the radiation detection at dose rate as low as 40 μ Gy/s with a 2 m long fiber sample. This fiber is also associated with an optically-stimulated luminescence (OSL) when exposed to a 1064 nm laser light post-irradiation. This OSL signature provides shortly after the irradiation a precise estimation of the accumulated dose at least in the 1 Gy to 10 kGy range. Under proton exposure, we benchmarked the performances of the N-doped fiber with the ones of a conventional Markus chamber used by the TRIUMF proton-therapy team. This comparison highlights the potential of the small-size N-doped fiber to partially overcome the known limitations of commercial fiber-based dosimeters for medical applications. The obtained results are very promising for the future design of more complex spatially-resolved beam monitoring systems.

Published
2018

2. X-Rays, Gamma-Rays and Proton Beam Monitoring with Multimode Nitrogen-Doped Optical Fiber

Author

Girard, Sylvain, Di Francesca, Diego, Morana, Adriana, Reghioua, Imène, Alessi, Antonino, Marin, Emmanuel, Boukenter, Aziz, Ouerdane, Y., Kadi, Yacine, Brugger, Markus, Hoehr, C., Trinczek, M., Paillet, Philippe, Olivier, Duhamel, Duzenli, C., Laboratoire Hubert Curien (LHC), Institut d'Optique Graduate School (IOGS)-Université Jean Monnet - Saint-Étienne (UJM)-Centre National de la Recherche Scientifique (CNRS), European Organization for Nuclear Research (CERN), TRIUMF [Vancouver], DAM Île-de-France (DAM/DIF), Direction des Applications Militaires (DAM), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA), British Columbia Cancer Research Centre [British Columbia, Canada], and Girard, Sylvain

Subjects
[SPI]Engineering Sciences [physics], [SPI] Engineering Sciences [physics]
Abstract

International audience; We investigated the radioluminescence and optically-stimulated luminescence properties of a 50μm core diameter N-doped fiber. This fiber provides precise dose rate and dose measurements and very promising characteristics for protontherapy beam dosimetry.

Published
2018

3. Proton radiation responses of pure or doped multimode optical fibers

Author

Girard, Sylvain, Paillet, Philippe, Trinczek, M., Marcandella, Claude, Alessi, Antonino, Morana, Adriana, Boukenter, Aziz, Ouerdane, Y., Laboratoire Hubert Curien (LHC), Institut d'Optique Graduate School (IOGS)-Université Jean Monnet - Saint-Étienne (UJM)-Centre National de la Recherche Scientifique (CNRS), DAM Île-de-France (DAM/DIF), Direction des Applications Militaires (DAM), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA), and TRIUMF [Vancouver]

Subjects
[SPI]Engineering Sciences [physics], ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2018

4. Radiation-hardened fiber Bragg gratings for space missions

Author

Morana, Adriana, Girard, Sylvain, Marin, Emmanuel, Trinczek, M., Hoehr, C., Blackmore, E., Périsse, Jocelyn, Paillet, Philippe, Marcandella, Claude, Duhamel, Olivier, Lablonde, Laurent, Macé, Jean-Reynald, Ouerdane, Youcef, Laboratoire Hubert Curien (LHC), Institut d'Optique Graduate School (IOGS)-Université Jean Monnet - Saint-Étienne (UJM)-Centre National de la Recherche Scientifique (CNRS), TRIUMF [Vancouver], AREVA NP, AREVA NP - Centre Technique (FRANCE), DAM Île-de-France (DAM/DIF), Direction des Applications Militaires (DAM), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA), IXFIBER (FRANCE), and OSA

Subjects
[PHYS]Physics [physics], Astrophysics::High Energy Astrophysical Phenomena, Physics::Optics
Abstract

International audience; We developed fs-fiber Bragg gratings resistant to ionizing radiations (X or gamma-rays). We demonstrated here the robustness of this sensor technology to proton fluences representative of the most challenging space missions

Published
2016

5. Potential of Copper- and Cerium-doped Optical Fiber Materials for Proton Beam Dosimetry

Author

Girard, Sylvain, Capoen, Bruno, El Hamzaoui, Hicham, Bouazaoui, M., Bouwmans, Géraud, Morana, Adriana, Boukenter, Aziz, Duhamel, Olivier, Paillet, Philippe, Raine, Mélanie, Gaillardin, Marc, Trinczek, M., Hoehr, C., Blackmore, E., Ouerdane, Youcef, Laboratoire Hubert Curien [Saint Etienne] (LHC), Institut d'Optique Graduate School (IOGS)-Université Jean Monnet [Saint-Étienne] (UJM)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique des Lasers, Atomes et Molécules - UMR 8523 (PhLAM), Université de Lille-Centre National de la Recherche Scientifique (CNRS), DAM Île-de-France (DAM/DIF), Direction des Applications Militaires (DAM), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA), TRIUMF [Vancouver], Laboratoire Hubert Curien (LHC), and Institut d'Optique Graduate School (IOGS)-Université Jean Monnet - Saint-Étienne (UJM)-Centre National de la Recherche Scientifique (CNRS)

Subjects
[PHYS]Physics [physics]
Abstract

International audience; We demonstrate the potential of sol-gel silica fiber materials doped with copper and cerium ions to monitor the proton flux and fluences through radiation-induced luminescence and optically stimulated luminescence techniques.

Published
2016

6. Monte-Carlo simulation with FLUKA for liquid and solid targets

Author

Infantino, A., Oehlke, E., Trinczek, M., Mostacci, D., Schaffer, P., Hoehr, C., TRIUMF, Vancouver, Canada, and University of Bologna, Bologna, Italy

Subjects
Monte-Carlo simulation, Fluka, cyclotron targets, Physics::Medical Physics, ddc:530, Monte-Carlo Simulation, Fluka, Zyklotrontargets
Abstract

Introduction Monte-Carlo simulations can be used to assess isotope production on small medical cyclotrons. These simulations calculate the particle interactions with electric and magnetic fields, as well as the nuclear reactions. The results can be used to predict both yields and isotopic contaminations and can aid in the optimum design of target material and target geometry [1,2]. FLUKA is a general-purpose tool widely used in many applications from accelerator shielding to target design, calorimetry, activation, dosimetry, detector design, neutrino physics, or radiotherapy [3,4]. In this work, we applied the Monte-Carlo code FLUKA to determine the accuracy of predicting yields of various isotopes as compared to experimental yields. Material and Methods The proton beam collimation system, as well as the liquid and solid target of the TR13 cyclotron at TRIUMF, has been modeled in FLUKA. The proton beam parameters were initially taken from the cyclotron design specifications and were optimized against experimental measurements from the TR13. Data from irradiations of different targets and with different beam currents were collected in order to account for average behavior, see FIG. 1. Yields for a pencil proton beam as well as a beam spread out in direction and energy have been calculated and have been compared to experimental results obtained with the TR13. Results and Conclusion The reactions listed in TABLE 1 were assessed. For most reactions a good agreement was found in the comparison between experimental and simulated saturation yield. TABLE 1 only shows the yields simulated with a proton beam with a spread in both direction and energy. In most cases, the simulated yield is slightly larger or comparable. Only the calculated yield for 55Co was significantly lower by a factor of 4.2. This is still a good agreement considering that FLUKA was originally a high-energy physics code. It may indicate that the FLUKA internal cross-section calculation for this isotope production needs some optimization. In summary, we conclude that FLUKA can be used as a tool for the prediction of isotope production as well as for target design.

Published
2015

7. SEL Cross Section Energy Dependence Impact on the High-Energy Accelerator Error Rate

Author

Alia, R. Garcia, Danzeca, S., Brugger, M., Julien, M., Giovanni, S., Uznanski, S., Blackmore, E., Trinczek, M., Ferlet-Cavrois, V., Poivey, C., Gaillard, R., Roed, K., Saigné, Frédéric, Wrobel, Frédéric, European Organization for Nuclear Research (CERN), Institut de biologie et chimie des protéines [Lyon] (IBCP), Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS), TRIUMF [Vancouver], iROc Technologies, European Space Research and Technology Centre (ESTEC), European Space Agency (ESA), University of Oslo (UiO), Institut d’Electronique et des Systèmes (IES), Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), Radiations et composants (RADIAC), and Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS)

Subjects
ComputingMilieux_MISCELLANEOUS, [SPI.TRON]Engineering Sciences [physics]/Electronics
Abstract

International audience

Published
2014

8. The interaction of 11Li with 208Pb

Author

Vinodkumar, A. M., Loveland, W., Yanez, R., Leonard, M., Yao, L., Bricault, P., Dombsky, M., Kunz, P., Lassen, J., Morton, A. C., Ottewell, D., Preddy, D., and Trinczek, M.

Subjects
FOS: Physical sciences, Nuclear Experiment (nucl-ex)
Abstract

Background: 11Li is one of the most studied halo nuclei. The fusion of 11Li with 208Pb has been the subject of a number of theoretical studies with widely differing predictions, ranging over four orders of magnitude, for the fusion excitation function. Purpose: To measure the excitation function for the 11Li + 208Pb reaction. Methods: A stacked foil/degrader assembly of 208Pb targets was irradiated with a 11Li beam producing center of target beam energies from above barrier to near barrier energies (40 to 29 MeV). The intensity of the 11Li beam (chopped) was 1250 p/s and the beam on-target time was 34 hours. The alpha-decay of the stopped evaporation residues was detected in a alpha-detector array at each beam energy in the beam-off period (the beam was on for, 25 pages, 11 figures

Published
2012
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9. Study of two neutron transfer reaction and resonnant elastic scattering induced by 11Li, with the MAYA active target

Author

Roger, T., Savajols, H., Tanihata, I., Mittig, W., Alcorta, M., Bandyopadhyay, D., Bieri, R., Buchmann, L., Caamano, M., Davids, B., Galinski, N., Gallant, A., Howell, D., Kanungo, R., Mills, W., Notani, M., Openshaw, R., Padilla-Rodal, E., Roussel-Chomaz, P., Ruprecht, G., Savard, G., Sheffer, G., Shotter, A.C., Mythili, S., Trinczek, M., Walde, P., Grand Accélérateur National d'Ions Lourds (GANIL), Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), and Lion, Michel

Subjects
[PHYS.NEXP] Physics [physics]/Nuclear Experiment [nucl-ex], [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], Nuclear Experiment
Abstract

Active targets are perfect tools for the study of reactions induced by radioactive ion beams of very low intensity. Thus, they make possible the study of direct and compound reactions at the same time. In this talk, we will present the results obtained with the MAYA active target for low energy reactions induced by the halo nucleus 11Li. A method used to measure the mass of short-lived nuclei, applied to the 11Li case will be discussed. The experimantal angular distribution of the two halo-neutron transfer reaction 1H(11Li,9Li)t at 4.3A MeV, using the MAYA detector as a thin target, will be presented and compared to coupled reaction channel calculations including 3-body models in order to extract informations on the structure of the 11Li halo. The extraction of the 11Li+p optical potential using the data on the elastic scattering, will also be discussed. Finally, the excitation function of the resonant elastic scattering reaction, determined using the MAYA detector as a thick target, will be presented. Extraction of information on the structure of possible 12Li isobaric analog states observed in 12Be using several R-matrix calculations will be shown.

Published
2009

10. Mass of $^{11}$Li from the $^{1}$H($^{11}$Li, $^{9}$Li)$^{3}$H reaction

Author

Roger, T., Savajols, H., Tanihata, I., Mittig, W., Alcorta, M., Bandyopadhyay, D., Bieri, R., Buchmann, L., Caamano, M., Davids, B., Galinski, N., Gallant, A., Howell, D., Kanungo, R., Mills, W., Mythili, S., Notani, M., Openshaw, R., Padilla-Rodal, E., Roussel-Chomaz, P., Ruprecht, G., Savard, G., Sheffer, G., C. Shotter, A., Trinczek, M., Walden, P., Grand Accélérateur National d'Ions Lourds (GANIL), Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), TRIUMF [Vancouver], Saint Mary's University [Halifax], ANL, and Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)

Subjects
[PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], 21.10.Dr, 25.60.Je, 27.20.+n, 29.40.Gx
Abstract

Active target MAYA, expérience TRIUMF; The mass of 11Li has been determined from Q-value measurements of the 1H(11Li, 9Li)3H reaction. The experiment was performed at TRIUMF laboratory with the GANIL active target MAYA. Energy-energy and angle-angle kinematics reconstruction give a Q value of 8.119(22) MeV for the reaction. The derived 11Li two-neutron separation energy is S2n = 363(22) keV.

Published
2009

11. Measurement of two-halo neutron transfer reaction p($^{11}$Li,$^{9}$Li)t at 3$A$ MeV

Author

Tanihata, I., Alcorta, M., Bandyopadhyay, D., Bieri, R., Buchmann, L., Davids, B., Galinski, N., Howell, D., Mills, W., Openshaw, R., Padilla-Rodal, E., Ruprecht, G., Sheffer, G., C. Shotter, A., Mythili, S., Trinczek, M., Walden, P., Savajols, H., Roger, T., Caamano, M., Mittig, W., Roussel-Chomaz, P., Kanungo, R., Gallant, A., Notani, M., Savard, G., J. Thompson, I., TRIUMF [Vancouver], Grand Accélérateur National d'Ions Lourds (GANIL), Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Saint Mary's University [Halifax], ANL, Lawrence Livermore National Laboratory (LLNL), and Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)

Subjects
FOS: Physical sciences, 25.40.Hs, 27.20.+n, 24.10.Eq, 21.90.+f, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], Nuclear Experiment (nucl-ex), Nuclear Experiment
Abstract

The p(\nuc{11}{Li},\nuc{9}{Li})t reaction has been studied for the first time at an incident energy of 3$A$ MeV delivered by the new ISAC-2 facility at TRIUMF. An active target detector MAYA, build at GANIL, was used for the measurement. The differential cross sectionshave been determined for transitions to the \nuc{9}{Li} ground andthe first excited states in a wide range of scattering angles. Multistep transfer calculations using different \nuc{11}{Li} model wave functions, shows that wave functions with strong correlations between the halo neutrons are the most successful in reproducing the observation., Comment: 6 pages, 3 figures, submitted to Physical Review Letters

Published
2008
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12. Decay strength distributions in $^{12}C(^{12}C,\gamma)$ radiative capture

Author

Jenkins, D.G., Fulton, B.R., Marley, P., Fox, S.P., Glover, R., Wadsworth, R., Watson, D.L., Courtin, S., Haas, F., Lebhertz, D., Beck, C., Papka, P., Rousseau, Marc, Sànchez I Zafra, A., Hutcheon, D.A., Davis, C., Ottewell, D., Pavan, M.M., Pearson, Justin, Ruiz, C., Ruprecht, G., Slater, J., Trinczek, M., D'Auria, J., Lister, C.J., Chowdhury, P., Andreoiu, C., Valiente-Dobón, J.J., Moon, S., Département Recherches Subatomiques (DRS-IPHC), and Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS)

Subjects
21.60.Gx, 25.40.Lw, 27.30.+t, 29.30.Kv, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex]
Abstract

The heavy-ion radiative capture reaction, 12C(12C,$\gamma$), has been investigated at energies both on- and off-resonance, with a particular focus on known resonances at Ec.m.=6.0, 6.8, 7.5, and 8.0 MeV. Gamma rays detected in a BGO scintillator array were recorded in coincidence with 24Mg residues at the focal plane of the DRAGON recoil separator at TRIUMF. In this manner, the relative strength of all decay pathways through excited states up to the particle threshold could be examined for the first time. Isovector M1 transitions are found to be a important component of the radiative capture from the Ec.m.=6.0 and 6.8 MeV resonances. Comparison with Monte Carlo simulations suggests that these resonances may have either J=0 or 2, with a preference for J=2. The higher energy resonances at Ec.m.=7.5 and 8.0 MeV have a rather different decay pattern. The former is a clear candidate for a J=4 resonance, whereas the latter has a dominant J=4 character superposed on a J=2 resonant component underneath. The relationship between these resonances and the well-known quasimolecular resonances as well as resonances in breakup and electrofission of 24Mg into two 12C nuclei are discussed.

Published
2007

13. Benchmarking high-field few-electron correlation and QED contributions in Hg75+ to Hg78+ ions: I. Experiment

Author

González-Martínez, A., Crespo López-Urrutia, J., Braun, J., Brenner, G., Bruhns, H., Lapierre, A., Mironov, V., Soria Orts, R., Tawara, H., Trinczek, M., Ullrich, J., Artemyev, A., Harman, Z., Jentschura, U., Keitel, C., Scofield, J., and Tupitsyn, I.

Abstract

The photorecombination of highly charged few-electron mercury ions Hg75+ to Hg78+ has been explored with the Heidelberg electron beam ion trap. By monitoring the emitted x rays (65–76 keV) and scanning the electron beam energy (45–54 keV) over the KLL dielectronic recombination (DR) region, the energies of state-selected DR resonances were determined to within ±4 eV (relative) and ±14 eV (absolute). At this level of experimental accuracy, it becomes possible to make a detailed comparison to various theoretical approaches and methods, all of which include quantum electrodynamic (QED) effects and finite nuclear size contributions (for a 1s electron, these effects can be as large as 160 and 50 eV, respectively). In He-like Hg78+, a good agreement between the experimental results and the calculations has been found. However, for the capture into Li-, Be-, and B-like ions, significant discrepancies have been observed for specific levels. The discrepancies suggest the need for further theoretical and experimental studies with other heavy ions along these isoelectronic sequences.

Published
2006

14. Study of the $^{40}Ca(\alpha, \gamma)^{44}Ti$ reaction at stellar temperatures with DRAGON

Author

Vockenhuber, C, Ouellet, C O, Buchmann, L, Caggiano, J A, Chen, A A, Crawford, H, D'Auria, J, Davids, B, Fogarty, L, Frekers, D, Hussein, A, Hutcheon, D A, Kutschera, W, Laird, A M, Lewis, R, O'Connor, E, Ottewell, D F, Paul, M, Pavan, M, Pearson, J, Ruiz, C, Ruprecht, G, Trinczek, M, Wales, B, and Wallner, A

Subjects
Astrophysics and Astronomy
Published
2006

15. Scalar interaction limits from the beta-neutrino correlation of trapped radioactive atoms

Author

Gorelov, A., Melconian, D., Alford, W. P., Ashery, D., Ball, G., Behr, J. A., Bricault, P. G., D'Auria, J. M., Deutsch, J., Dilling, J., Dombsky, M., Dube', P., Fingler, J., Giesen, U., Gl��ck, F., Gu, S., H��usser, O., Jackson, K. P., Jennings, B. K., Pearson, M. R., Stocki, T. J., Swanson, T. B., and Trinczek, M.

Subjects
FOS: Physical sciences, Physics::Atomic Physics, Nuclear Experiment (nucl-ex), Nuclear Experiment
Abstract

We have set limits on contributions of scalar interactions to nuclear beta decay. A magneto-optical trap (MOT) provides a localized source of atoms suspended in space, so the low-energy recoiling nuclei can freely escape and be detected in coincidence with the beta. This allows reconstruction of the neutrino momentum, and the measurement of the beta-neutrino correlation, in a more direct fashion than previously possible. The beta-neutrino correlation parameter of the 0+ to 0+ pure Fermi decay of 38mK is $\tilde{a}$=0.9981+-0.0030+-0.0037, consistent with the standard model prediction a=1., 4 pages, 3 figures, accepted by Phys. Rev. Lett., centroid changed

Published
2004

17. Novel search for heavy mixing from the ß+ decay of 38mK confined in an atom trap

Author

Trinczek, M., Gorelov, A., Melconian, D., Alford, W. P., Asgeirsson, D., Ashery, D., Behr, J. A., Bricault, P. G., D'Auria, J. M., Deutsch, J., Dilling, J., Dombsky, M., Dubé, P., Eaton, S., Fingler, J., Giesen, U., Gu, S., Häusser, O., Jackson, K. P., Lee, B., Schmidt, J. H., Stocki, T. J., Swanson, T. B., and Wong, W.

Published
2003

18. Tests of a Laser Ion Source at the Heidelberg Electron Beam Ion Trap

Author

Mironov, V., Trinczek, M., Werdich, A., González Martínez, A., Guo, P., Zhang, X., Braun, J., Crespo López-Urrutia, J., Höhr, C., and Ullrich, J.

Subjects
Physics::Plasma Physics, Physics::Atomic Physics
Abstract

A laser ion source (LIS) has been designed and successfully tested for loading the Heidelberg electron beam ion trap (H-EBIT) with ions of practically all solid-state elements. A pulsed YAG:Nd3þ laser (30 mJ, 8 ns) is used to produce plasma from a solid target. Lowly charged ions are extracted from the plasma and accelerated by a short high-voltage pulse, generating a pulsed ion beam with energy of up to 6 keV per charge. The ion beam is transported into the EBIT, decelerated and captured within it by switching the trapping electrode potentials. The electron beam further ionizes the trapped ions to the desired highly charged states. The experimental setup is described together with the source parameters measured for different target materials. X-ray spectra of up to He-like highly charged ions (Cu, Mo, Pb, Al and Ge) produced in the EBIT after injection from the LIS have been measured. The reliability and convenience of this method allows the use of the LIS to produce highly charged ions of both insulating and conducting solid elements with an EBIT as needed for different experiments.

Published
2003

19. $\beta$-delayed $\alpha$-decay of $^{17}$N

Author

Dombsky, M, Buchmann, L R, Azuma, R E, D'Auria, J M, Giesen, U, Jackson, K P, King, J D, Korkmaz, E J, Korteling, R G, McNeely, P, Powell, J, Roy, G, Trinczek, M, and Vincent, J

Subjects
Nuclear Physics
Published
1993

20. X-rays, Protons and Electrons Radiation Effects on Fiber Bragg Gratings

Author

Thomas Blanchet, Adriana Morana, Timothé Allanche, Emmanuel Marin, Aziz Boukenter, Youcef Ouerdane, Philippe Paillet, Marc Gaillardin, Olivier Duhamel, Claude Marcandella, Trinczek, M., Gilles Assaillit, Auriel, G., Damien Aubert, Guillaume Laffont, Sylvain Girard, Laboratoire Hubert Curien (LHC), Institut d'Optique Graduate School (IOGS)-Université Jean Monnet - Saint-Étienne (UJM)-Centre National de la Recherche Scientifique (CNRS), DAM Île-de-France (DAM/DIF), Direction des Applications Militaires (DAM), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA), TRIUMF [Vancouver], GRAMAT (DAM/GRAMAT), Laboratoire d'Intégration des Systèmes et des Technologies (LIST (CEA)), Direction de Recherche Technologique (CEA) (DRT (CEA)), Laboratoire Hubert Curien [Saint Etienne] (LHC), Université Jean Monnet [Saint-Étienne] (UJM)-Centre National de la Recherche Scientifique (CNRS)-Institut d'Optique Graduate School (IOGS), Laboratoire d'Intégration des Systèmes et des Technologies (LIST), and Institut d'Optique Graduate School (IOGS)-Université Jean Monnet [Saint-Étienne] (UJM)-Centre National de la Recherche Scientifique (CNRS)

Subjects
[PHYS.PHYS.PHYS-OPTICS]Physics [physics]/Physics [physics]/Optics [physics.optics], ComputingMilieux_MISCELLANEOUS
Abstract

International audience

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