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20 results on '"Höglund C"'

1. Double-GEM based thermal neutron detector prototype

Author

Serra Filho, L.A., primary, Felix dos Santos, R., additional, de Souza, G.G.A., additional, Paulino, M.M.M., additional, Souza, F.A., additional, Moralles, M., additional, da Luz, H.N., additional, Bregant, M., additional, Munhoz, M.G., additional, Lai, C.-C., additional, Höglund, C., additional, Svensson, P.-O., additional, Robinson, L., additional, and Hall-Wilton, R., additional

Published
2022
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3. Towards high-rate RPC-based thermal neutron detectors using low-resistivity electrodes

Author

Margato, L.M.S., primary, Morozov, A., additional, Blanco, A., additional, Fonte, P., additional, Lopes, L., additional, Saraiva, J., additional, Zeitelhack, K., additional, Hall-Wilton, R., additional, Höglund, C., additional, Robinson, L., additional, Svensson, P., additional, Naumann, L., additional, Roemer, K., additional, Stach, D., additional, and Wilpert, Th., additional

Published
2021
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4. Time- and energy-resolved effects in the boron-10 based multi-grid and helium-3 based thermal neutron detectors

Author

Backis, A, primary, Khaplanov, A, additional, Al Jebali, R, additional, Ammer, R, additional, Apostolidis, I, additional, Birch, J, additional, Lai, C C, additional, Deen, P P, additional, Etxegarai, M, additional, de Ruette, N, additional, Freita Ramos, J, additional, Förster, D F, additional, Haettner, E, additional, Hall-Wilton, R, additional, Hamilton, D, additional, Höglund, C, additional, Kadletz, P M, additional, Kanaki, K, additional, Karnickis, E, additional, Kirstein, O, additional, Kolya, S, additional, Kraujalyte, Z, additional, Laloni, A, additional, Livingston, K, additional, Löhman, O, additional, Maulerova, V, additional, Mauritzon, N, additional, Müller, F, additional, Lopez Higuera, I, additional, Richter, T, additional, Robinson, L, additional, Roth, R, additional, Shetty, M, additional, Taylor, J, additional, Woracek, R, additional, and Xiong, W, additional

Published
2020
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5. Multilayer 10B-RPC neutron imaging detector

Author

Margato, L.M.S., primary, Morozov, A., additional, Blanco, A., additional, Fonte, P., additional, Lopes, L., additional, Zeitelhack, K., additional, Hall-Wilton, R., additional, Höglund, C., additional, Robinson, L., additional, Schmidt, S., additional, and Svensson, P., additional

Published
2020
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7. Measurement of the thickness of B4C layers deposited over metallic grids via multi-angle neutron radiography

Author

Vitucci, G, primary, Minniti, T, additional, Angella, G, additional, Croci, G, additional, Muraro, A, additional, Höglund, C, additional, Lai, C C, additional, Perelli Cippo, E, additional, Albani, G, additional, Hall-Wilton, R, additional, Robinson, Linda, additional, Grosso, G, additional, Tardocchi, M, additional, and Gorini, G, additional

Published
2018
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8. Time- and energy-resolved effects in the boron-10 based multi-grid and helium-3 based thermal neutron detectors.

Author

Backis, A, Khaplanov, A, Jebali, R Al, Ammer, R, Apostolidis, I, Birch, J, Lai, C C, Deen, P P, Etxegarai, M, de Ruette, N, Ramos, J Freita, Förster, D F, Haettner, E, Hall-Wilton, R, Hamilton, D, Höglund, C, Kadletz, P M, Kanaki, K, Karnickis, E, and Kirstein, O

Subjects
NEUTRON counters, THERMAL neutrons, NEUTRON spectroscopy, TIME-of-flight spectroscopy, NEUTRON beams, NEUTRON temperature
Abstract

The boron-10 based multi-grid detector is being developed as an alternative to helium-3 based neutron detectors. At the European Spallation Source, the detector will be used for time-of-flight neutron spectroscopy at cold to thermal neutron energies. The objective of this work is to investigate fine time- and energy-resolved effects of the Multi-Grid detector, down to a few µeV, while comparing it to the performance of a typical helium-3 tube. Furthermore, it is to characterize differences between the detector technologies in terms of internal scattering, as well as the time reconstruction of ∼ µs short neutron pulses. The data were taken at the Helmholtz Zentrum Berlin, where the Multi-Grid detector and a helium-3 tube were installed at the ESS test beamline, V20. Using a Fermi-chopper, the neutron beam of the reactor was chopped into a few tens of µs wide pulses before reaching the detector, located a few tens of cm downstream. The data of the measurements show an agreement between the derived and calculated neutron detection efficiency curve. The data also provide fine details on the effect of internal scattering, and how it can be reduced. For the first time, the chopper resolution was comparable to the timing resolution of the Multi-Grid detector. This allowed a detailed study of time- and energy resolved effects, as well as a comparison with a typical helium-3 tube. [ABSTRACT FROM AUTHOR]

Published
2021
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9. Characterization of the Multi-Blade 10B-based detector at the CRISP reflectometer at ISIS for neutron reflectometry at ESS

Author

Piscitelli, F., primary, Mauri, G., additional, Messi, F., additional, Anastasopoulos, M., additional, Arnold, T., additional, Glavic, A., additional, Höglund, C., additional, Ilves, T., additional, Higuera, I. Lopez, additional, Pazmandi, P., additional, Raspino, D., additional, Robinson, L., additional, Schmidt, S., additional, Svensson, P., additional, Varga, D., additional, and Hall-Wilton, R., additional

Published
2018
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11. Multi-Grid detector for neutron spectroscopy: results obtained on time-of-flight spectrometer CNCS

Author

Anastasopoulos, M., primary, Bebb, R., additional, Berry, K., additional, Birch, J., additional, Bryś, T., additional, Buffet, J.-C., additional, Clergeau, J.-F., additional, Deen, P.P., additional, Ehlers, G., additional, Esch, P. van, additional, Everett, S.M., additional, Guerard, B., additional, Hall-Wilton, R., additional, Herwig, K., additional, Hultman, L., additional, Höglund, C., additional, Iruretagoiena, I., additional, Issa, F., additional, Jensen, J., additional, Khaplanov, A., additional, Kirstein, O., additional, Higuera, I. Lopez, additional, Piscitelli, F., additional, Robinson, L., additional, Schmidt, S., additional, and Stefanescu, I., additional

Published
2017
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12. The Multi-Blade Boron-10-based neutron detector for high intensity neutron reflectometry at ESS

Author

Piscitelli, F., primary, Messi, F., additional, Anastasopoulos, M., additional, Bryś, T., additional, Chicken, F., additional, Dian, E., additional, Fuzi, J., additional, Höglund, C., additional, Kiss, G., additional, Orban, J., additional, Pazmandi, P., additional, Robinson, L., additional, Rosta, L., additional, Schmidt, S., additional, Varga, D., additional, Zsiros, T., additional, and Hall-Wilton, R., additional

Published
2017
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13. First measurements with new high-resolution gadolinium-GEM neutron detectors

Author

Pfeiffer, D., primary, Resnati, F., additional, Birch, J., additional, Etxegarai, M., additional, Hall-Wilton, R., additional, Höglund, C., additional, Hultman, L., additional, Llamas-Jansa, I., additional, Oliveri, E., additional, Oksanen, E., additional, Robinson, L., additional, Ropelewski, L., additional, Schmidt, S., additional, Streli, C., additional, and Thuiner, P., additional

Published
2016
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14. Neutron radiography as a non-destructive method for diagnosing neutron converters for advanced thermal neutron detectors

Author

Muraro, A., primary, Albani, G., additional, Cippo, E. Perelli, additional, Croci, G., additional, Angella, G., additional, Birch, J., additional, Cazzaniga, C., additional, Caniello, R., additional, Dell'Era, F., additional, Ghezzi, F., additional, Grosso, G., additional, Hall-Wilton, R., additional, Höglund, C., additional, Hultman, L., additional, Schimdt, S., additional, Robinson, L., additional, Rebai, M., additional, Salvato, G., additional, Tresoldi, D., additional, Vasi, C., additional, and Tardocchi, M., additional

Published
2016
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16. Neutron diffraction measurements on a reference metallic sample with a high-efficiency GEM side-on 10B-based thermal neutron detector.

Author

Pietropaolo, A., Claps, G., Fedrigo, A., Grazzi, F., Höglund, C., Murtas, F., Scherillo, A., Schmidt, S., and Schooneveld, E. M.

Abstract

The upgraded version of the GEM side-on thermal neutron detector was successfully tested in a neutron diffraction experiment on a reference sample using the INES diffractometer at the ISIS spallation neutron source, UK. The performance of the new 10B4C-based detector is compared to that of a standard 3He tube, operating at the instrument as a part of the detectors assembly. The results show that the upgraded detector has a better resolution and an efficiency of the same order of magnitude of a 3He-based detector. [ABSTRACT FROM AUTHOR]

Published
2018
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18. In-beam test of the Boron-10 Multi-Grid neutron detector at the IN6 time-of-flight spectrometer at the ILL

Author

Birch, J, primary, Buffet, J-C, additional, Clergeau, J-F, additional, Correa, J, additional, van Esch, P, additional, Ferraton, M, additional, Guerard, B, additional, Halbwachs, J, additional, Hall-Wilton, R, additional, Hultman, L, additional, Höglund, C, additional, Khaplanov, A, additional, Koza, M, additional, Piscitelli, F, additional, and Zbiri, M, additional

Published
2014
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20. Neutron radiography as a non-destructive method for diagnosing neutron converters for advanced thermal neutron detectors

Author

Lars Hultman, S. Schimdt, F. Dell'Era, D. Tresoldi, Richard Hall-Wilton, Giovanni Grosso, Gabriele Croci, Jens Birch, A. Muraro, Cirino Vasi, Giorgia Albani, Carlo Cazzaniga, Carina Höglund, G. Salvato, E. Perelli Cippo, Linda Robinson, R. Caniello, Giuliano Angella, Francesco Ghezzi, M. Tardocchi, Marica Rebai, Muraro, A, Albani, G, Cippo, E, Croci, G, Angella, G, Birch, J, Cazzaniga, C, Caniello, R, Dell'Era, F, Ghezzi, F, Grosso, G, Hall Wilton, R, Höglund, C, Hultman, L, Schimdt, S, Robinson, L, Rebai, M, Salvato, G, Tresoldi, D, Vasi, C, and Tardocchi, M

Subjects
Materials science, Physics::Instrumentation and Detectors, 010308 nuclear & particles physics, Neutron imaging, Nuclear engineering, Data processing method, Detector, Inspection with neutrons, Inspection with neutron, 02 engineering and technology, 021001 nanoscience & nanotechnology, 01 natural sciences, Neutron temperature, Image filtering, Data processing methods, 0103 physical sciences, Neutron source, Neutron detection, Neutron radiography, Neutron, Spallation, Neutron reflectometry, 0210 nano-technology, Instrumentation, Mathematical Physics
Abstract

Due to the well-known problem of 3He shortage, a series of different thermal neutron detectors alternative to helium tubes are being developed, with the goal to find valid candidates for detection systems for the future spallation neutron sources such as the European Spallation Source (ESS). A possible 3He-free detector candidate is a charged particle detector equipped with a three dimensional neutron converter cathode (3D-C). The 3D-C currently under development is composed by a series of alumina (Al2O3) lamellas coated by 1 μ m of 10B enriched boron carbide (B4C). In order to obtain a good characterization in terms of detector efficiency and uniformity it is crucial to know the thickness, the uniformity and the atomic composition of the B4C neutron converter coating. In this work a non-destructive technique for the characterization of the lamellas that will compose the 3D-C was performed using neutron radiography. The results of these measurements show that the lamellas that will be used have coating uniformity suitable for detector applications. This technique (compared with SEM, EDX, ERDA, XPS) has the advantage of being global (i.e. non point-like) and non-destructive, thus it is suitable as a check method for mass production of the 3D-C elements.

Published
2016

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