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A new benchmark of soft X-ray transition energies of $\mathrm {Ne}$, $\mathrm {CO}_2$, and $\mathrm {SF}_6$: paving a pathway towards ppm accuracy
/ Stierhof, J. (Erlangen - Nuremberg U.) ; Kühn, S. (Heidelberg, Max Planck Inst.) ; Winter, M. (Erlangen - Nuremberg U. ; Neel Lab, Grenoble) ; Micke, P. (CERN) ; Steinbrügge, R. (DESY) ; Shah, C. (NASA, Goddard ; Heidelberg, Max Planck Inst. ; LLNL, Livermore) ; Hell, N. (LLNL, Livermore) ; Bissinger, M. (Erlangen - Nuremberg U.) ; Hirsch, M. (Erlangen - Nuremberg U.) ; Ballhausen, R. (Erlangen - Nuremberg U.) et al.
A key requirement for the correct interpretation of high-resolution X-ray spectra is that transition energies are known with high accuracy and precision. We investigate the K-shell features of Ne, CO$_2$, and SF$_6$ gases, by measuring their photo ion-yield spectra at the BESSY II synchrotron facility simultaneously with the 1s-np fluorescence emission of He-like ions produced in the Polar-X EBIT. [...]
arXiv:2203.03725.-
2022-03-01 - 13 p.
- Published in : Eur. Phys. J. D
Fulltext: 2203.03725 - PDF; Corrigendum - PDF; Publication - PDF; Erratum - PDF;
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Personal Dosimetry in Direct Pulsed Photon Fields with the Dosepix Detector
/ Haag, Dennis (Erlangen - Nuremberg U.) ; Schmidt, Sebastian (Erlangen - Nuremberg U., ECAP ; Erlangen - Nuremberg U.) ; Hufschmidt, Patrick (Erlangen - Nuremberg U., ECAP ; Erlangen - Nuremberg U.) ; Anton, Gisela (Erlangen - Nuremberg U., ECAP ; Erlangen - Nuremberg U.) ; Ballabriga, Rafael (CERN) ; Behrens, Rolf (New Brunswick U. ; Braunschweig Tech. U.) ; Campbell, Michael (CERN) ; Eberle, Franziska (Erlangen - Nuremberg U., ECAP ; Erlangen - Nuremberg U.) ; Fuhg, Christian (New Brunswick U. ; Braunschweig Tech. U.) ; Hupe, Oliver (New Brunswick U. ; Braunschweig Tech. U.) et al.
First investigations regarding dosimetric properties of the hybrid, pixelated, photon-counting Dosepix detector in the direct beam of a pulsed photon field (RQR8) for the personal dose equivalent $H\mathrm{_p(10)}$ are presented. The influence quantities such as pulse duration and dose rate were varied, and their responses were compared to the legal limits provided in PTB-A 23.2. [...]
arXiv:2106.06714.-
2022-12 - 5 p.
- Published in : IEEE Trans. Nucl. Sci. 69 (2022) 2330-2334
Fulltext: PDF;
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Development of a high-rate scalable readout system for gaseous detectors
/ Scharenberg, L (CERN ; Bonn U.) ; Bortfeldt, J (LMU Munich (main)) ; Brunbauer, F (CERN) ; Christensen, M J (ESS, Lund) ; Desch, K (Bonn U.) ; Flöthner, K (CERN ; Bonn U.) ; Garcia, F (Helsinki Inst. of Phys.) ; Janssens, D (CERN ; Vrije U., Brussels ; Brussels U., IIHE) ; Kaminski, J (Bonn U.) ; Lisowska, M (CERN ; U. Paris-Saclay) et al.
The RD51 collaboration developed the Scalable Readout System (SRS) as part of its R&D; activities on Micro-Pattern Gaseous Detectors. This common multi-purpose readout system allows to read out small R&D; detectors (0.2k channels) up to mid-sized experiments with multiple detectors (2.5k to 5k channels). [...]
2022 - 9 p.
- Published in : JINST 17 (2022) C12014
In : Topical Workshop on Electronics for Particle Physics 2022 (TWEPP 2022), Bergen, Norway, 19 - 23 Sep 2022, pp.C12014
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The XYU-GEM: Ambiguity-free coordinate readout of the Gas Electron Multiplier
/ Flöthner, K J (CERN ; Bonn U., HISKP) ; Janssens, D (CERN ; Brussels U., IIHE ; Vrije U., Brussels) ; Brunbauer, F (CERN) ; Ferry, S (CERN) ; Ketzer, B (Bonn U., HISKP) ; Lisowska, M (CERN ; IRFU, Saclay) ; Muller, H (CERN ; Bonn U.) ; de Oliveira, R (CERN) ; Oliveri, E (CERN) ; Orlandini, G (CERN ; Erlangen - Nuremberg U.) et al.
We describe the development of a position-sensitive Gas Electron Multiplier detector prototype, providing for each ionizing event three coordinates: the cartesian X and Y, and U at 45°. Simultaneous recording of the three projections permits ambiguity-free reconstruction of multiple tracks, and aims at operation in very high intensity radiation fields..
2023 - 6 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 1052 (2023) 168257
Fulltext: PDF;
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Induced signals in particle detectors with resistive elements: Numerically modeling novel structures (VCI 2022)
/ Janssens, D (CERN ; Brussels U., IIHE ; Vrije U., Brussels) ; Brunbauer, F (CERN) ; D'Hondt, J (Brussels U., IIHE ; Vrije U., Brussels) ; Floethner, K J (CERN ; Bonn U., HISKP) ; Lisowska, M (CERN ; U. Paris-Saclay) ; Muller, H (CERN ; Bonn U.) ; Oliveri, E (CERN) ; Orlandini, G (CERN ; U. Erlangen-Nuremberg (main)) ; Riegler, W (CERN) ; Ropelewski, L (CERN) et al.
For detectors with resistive elements, the time dependence of the signals is not solely given by the movement of the charges in the drift medium but also by the time-dependent reaction of the resistive materials. In this report, we present a numerical way to capture this contribution by using the extended form of the Ramo–Shockley theorem for conductive media. [...]
2022 - 4 p.
In : Vienna Conference on Instrumentation, Online, Online, 21 - 25 Feb 2022, pp.167227
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Potential of the Julia programming language for high energy physics computing
/ Eschle, Jonas (U. Zurich (main)) ; Gál, Tamás (Erlangen - Nuremberg U., Theorie III) ; Giordano, Mosè (Imperial Coll., London) ; Gras, Philippe (IRFU, Saclay) ; Hegner, Benedikt (CERN) ; Heinrich, Lukas (Munich, Max Planck Inst.) ; Hernandez Acosta, Uwe (HZDR, Dresden) ; Kluth, Stefan (Munich, Max Planck Inst.) ; Ling, Jerry (Harvard U.) ; Mato, Pere (CERN) et al.
Research in high energy physics (HEP) requires huge amounts of computing and storage, putting strong constraints on the code speed and resource usage. To meet these requirements, a compiled high-performance language is typically used; while for physicists, who focus on the application when developing the code, better research productivity pleads for a high-level programming language [...]
arXiv:2306.03675.-
2023-10-05 - 24 p.
- Published in : Comput. Softw. Big Sci. 7 (2023) 10
Fulltext: document - PDF; 2306.03675 - PDF;
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Integration of CVD graphene in gaseous electron multipliers for high energy physics experiments
/ Orlandini, G (CERN ; Erlangen - Nuremberg U.) ; Brunbauer, F M (CERN) ; Coletti, C (NEST-INFM ; Italian Inst. Tech., Genoa) ; Convertino, D (NEST-INFM) ; Doser, M (CERN) ; Floethner, K J (CERN ; Bonn U., HISKP) ; Janssens, D (CERN ; Vrije U., Brussels) ; Lisowska, M (CERN ; IRFU, Saclay) ; Mishra, N (NEST-INFM ; Italian Inst. Tech., Genoa) ; Oliveri, E (CERN) et al.
To enhance the performance of micro-patterned gaseous detectors (MPGDs) to meet thechallenging requirements of future high energy physics (HEP) experiments, two-dimensional (2D)materials are attractive candidates to address the back flow of positive ions, which affectsdetector performance by distorting electric field lines. In this context, graphene is promisingto work as selective filter for ion back flow suppression, being transparent to electrons while atthe same time blocking ions. [...]
2023 - 8 p.
- Published in : JINST 18 (2023) C06022
Fulltext: PDF;
In : 8th International symposium on Negative Ions, Beams and Sources (NIBS'22), Padua, Italy, 2 - 7 Oct 2022, pp.C06022
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