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19 results on '"Di Julio, D"'

1. The HIBEAM program: search for neutron oscillations at the ESS

Author

Santoro, V., Milstead, D., Fierlinger, P., Snow, W. M., Barrow, J., Bartis, M., Bentley, P., Björk, L., Brooijmans, G., de la Cour, N., Di Julio, D. D., Dunne, K., Eriksson, H., Ferreira, M. J., Friman-Gayer, U., Holl, M., Kamyshkov, Y., Kemp, E., Kickulies, M., Kolevatov, R., Johansson, H. T., Jönsson, B., Lejon, W., Damian, J. I. Marquez, Meirose, B., Nepomuceno, A., Nilsson, T., Oskarsson, A., Pasechnik, R., Persson, L. B., Rataj, B., Rogers, J., Silverstein, S., Stadnik, Y. V., Wagner, R., Wolker, M., Yiu, S. C., and Zanini, L.

Subjects
Physics - Instrumentation and Detectors
Abstract

With the construction of the European Spallation Source, a remarkable opportunity has emerged to conduct high sensitivity searches for neutron oscillations, including a first search for thirty years for free neutrons converting to antineutrons. Furthermore, searches can be made for transitions of neutrons and antineutrons to sterile neutron states. Upgrades to the ESS infrastructure allow an improved HIBEAM design that would provide an increase in sensitivity by an order of magnitude compared to previous work. The HIBEAM program focuses on processes that violate baryon number by one or two units. The observation of a process satisfying one of the Sakharov conditions addresses the open question of the origin of the matter-antimatter asymmetry in the Universe. Sterile neutron states would belong to a `dark' sector of particles which may explain dark matter. As electrically neutral, meta-stable objects that can be copiously produced and studied, neutrons represent an attractive portal to a `dark' sector. The HIBEAM instrument can also be utilised for other purposes such as direct searches for ultralight axion dark matter. This paper describes the capability, design, infrastructure, and potential of the HIBEAM program. This includes a dedicated beamline, neutron optical system, magnetic shielding and control, and detectors for neutrons and antineutrons., Comment: 58 pages, 23 figures

Published
2023

2. Particle Physics at the European Spallation Source

Author

Abele, H., Alekou, A., Algora, A., Andersen, K., Baessler, S., Barron-Palos, L., Barrow, J., Baussan, E., Bentley, P., Berezhiani, Z., Bessler, Y., Bhattacharyya, A. K., Bianchi, A., Bijnens, J., Blanco, C., Kraljevic, N. Blaskovic, Blennow, M., Bodek, K., Bogomilov, M., Bohm, C., Bolling, B., Bouquerel, E., Brooijmans, G., Broussard, L. J., Buchan, O., Burgman, A., Calen, H., Carlile, C. J., Cederkall, J., Chanel, E., Christiansen, P., Cirigliano, V., Collar, J. I., Collins, M., Crawford, C. B., Morales, E. Cristaldo, Cupial, P., D'Alessi, L., Damian, J. I. M., Danared, H., Dancila, D., de Andre, J. P. A. M., Delahaye, J. P., Degenkolb, S., Di Julio, D. D., Dracos, M., Dunne, K., Efthymiopoulos, I., Ekelof, T., Eklund, L., Eshraqi, M., Esteban, I., Fanourakis, G., Farricker, A., Fernandez-Martinez, E., Ferreira, M. J., Fertl, M., Fierlinger, P., Folsom, B., Frank, A., Fratangelo, A., Friman-Gayer, U., Fukuda, T., Fynbo, H . O . U., Sosa, A. Garcia, Gazis, N., Galnander, B., Geralis, Th., Ghosh, M., Gokbulut, G., Gomez-Cadenas, J . J., Gonzalez-Alonso, M., Gonzalez, F., Halic, L., Happe, C., Heil, P., Heinz, A., Herde, H., Holl, M., Jenke, T., Jenssen, M., Jericha, E., Johansson, H. T., Johansson, R., Johansson, T., Kamyshkov, Y., Topaksu, A. Kayis, Kildetoft, B., Kirch, K., Klicek, B., Klinkby, E., Kolevatov, R., Konrad, G., Koziol, M., Krhac, K., Kupsc, A., Lacny, L., Larizgoitia, L., Lewis, C. M., Lindroos, M., Lychagin, E., Lytken, E., Maiano, C., Marciniewski, P., Markaj, G., Markisch, B., Marrelli, C., Martins, C., Meirose, B., Mezzetto, M., Milas, N., Milstead, D., Monrabal, F., Muhrer, G., Nepomuceno, A., Nesvizhevsky, V., Nilsson, T., Novella, P., Oglakci, M., Ohlsson, T., Olvegard, M., Oskarsson, A., Ota, T., Park, J., Patrzalek, D., Perrey, H., Persoz, M., Petkov, G., Piegsa, F. M., Pistillo, C., Poussot, P., Privitera, P., Rataj, B., Ries, D., Rizzi, N., Rosauro-Alcaraz, S., Rozpedzik, D., Saiang, D., Santoro, V., Schmidt, U., Schober, H., Schulthess, I., Silverstein, S., Simon, A., Sina, H., Snamina, J., Snow, W. M., Soldner, T., Stavropoulos, G., Stipcevic, M., Szybinski, B., Takibayev, A., Tang, Z., Tarkeshian, R., Theroine, C., Thorne, J., Terranova, F., Thomas, J., Tolba, T., Torres-Sanchez, P., Trachanas, E., Tsenov, R., Uggerhoj, U. I., Vankova-Kirilova, G., Vassilopoulos, N., Wagner, R., Wang, X., Wildner, E., Wolke, M., Wurtz, J., Yiu, S. C., Yoon, S. G., Young, A. R., Zanini, L., Zejma, J., Zerzion, D., Zimmer, O., Zormpa, O., and Zou, Y.

Subjects
Physics - Instrumentation and Detectors, High Energy Physics - Experiment, High Energy Physics - Phenomenology, Nuclear Experiment
Abstract

Presently under construction in Lund, Sweden, the European Spallation Source (ESS) will be the world's brightest neutron source. As such, it has the potential for a particle physics program with a unique reach and which is complementary to that available at other facilities. This paper describes proposed particle physics activities for the ESS. These encompass the exploitation of both the neutrons and neutrinos produced at the ESS for high precision (sensitivity) measurements (searches)., Comment: 121 pages, updated version after referee comments

Published
2022
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3. The Development of the NNBAR Experiment

Author

Backman, F., Barrow, J., Beßler, Y., Bianchi, A., Bohm, C., Brooijmans, G., Broussard, L. J., Calen, H., Cederkäll, J., Damian, J. I. M., Dian, E., Di Julio, D. D., Dunne, K., Eklund, L., Ferreira, M. J., Fierlinger, P., Friman-Gayer, U., Happe, C., Holl, M., Johansson, T., Kamyshkov, Y., Klinkby, E., Kolevatov, R., Kupsc, A., Meirose, B., Milstead, D., Nepomuceno, A., Nilsson, T., Oskarsson, A., Perrey, H., Ramic, K., Rataj, B., Rizzi, N., Santoro, V., Silverstein, S., Snow, W. M., Takibayev, A., Wagner, R., Wolke, M., Yiu, S. C., Young, A. R., Zanini, L., and Zimmer, O.

Subjects
Physics - Instrumentation and Detectors, High Energy Physics - Experiment, Nuclear Experiment
Abstract

The NNBAR experiment for the European Spallation Source will search for free neutrons converting to antineutrons with a sensitivity improvement of three orders of magnitude compared to the last such search. This paper describes progress towards a conceptual design report for NNBAR. The design of a moderator, neutron reflector, beamline, shielding and annihilation detector is reported. The simulations used form part of a model which will be used for optimisation of the experiment design and quantification of its sensitivity., Comment: 30 pages, 26 figures, accepted for publication in Journal of Instrumentation (JINST)

Published
2022
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4. Development of a High Intensity Neutron Source at the European Spallation Source: The HighNESS project

Author

Santoro, V., Andersen, K. H., Bernasconi, M., Bertelsen, M., Beßler, Y., Campi, D., Czamler, V., Di Julio, D. D., Diane, E., Dunne, K., Fierlinger, P., Gaye, A., Gorini, G., Happe, C., Kittelmann, T., Klinkby, E. B., Kokai, Z., Kolevatov, R., Lauritzen, B., Linander, R., Damian, J. I. Marquez, Meirose, B., Mezei, F., Milstead, D., Muhrer, G., Ramic, K., Rataj, B., Rizzi, N., Samothrakitis, S., Selknaes, J. R., Silverstein, S., Strobl, M., Strothmann, M., Takibayev, A., Wagner, R., Willendrup, P., Yiu, S. -C., Zanini, L., and Zimmer, O.

Subjects
Physics - Instrumentation and Detectors, Condensed Matter - Other Condensed Matter, High Energy Physics - Experiment
Abstract

The European Spallation Source (ESS), presently under construction in Lund, Sweden, is a multidisciplinary international laboratory that will operate the world's most powerful pulsed neutron source. Supported by a 3M Euro Research and Innovation Action within the EU Horizon 2020 program, a design study (HighNESS) is now underway to develop a second neutron source below the spallation target. Compared to the first source, located above the spallation target and designed for high cold and thermal brightness, the new source will provide higher intensity, and a shift to longer wavelengths in the spectral regions of cold (2 /- 20 {\AA}), very cold (VCN, 10 /- 120 {\AA}), and ultra cold (UCN, > 500 {\AA}) neutrons. The core of the second source will consist of a large liquid deuterium moderator to deliver a high flux of cold neutrons and to serve secondary VCN and UCN sources, for which different options are under study. The features of these new sources will boost several areas of condensed matter research and will provide unique opportunities in fundamental physics. Part of the HighNESS project is also dedicated to the development of future instruments that will make use of the new source and will complement the initial suite of instruments in construction at ESS. The HighNESS project started in October 2020. In this paper, the ongoing developments and the results obtained in the first year are described., Comment: 10 pages, 10 figures, 14th International Topical Meeting on Nuclear Applications of Accelerators, November 30 to December 4, 2021, Washington, DC

Published
2022

5. Advances in Nuclear Data and Software Development for the HighNESS Project

Author

Ramic, K, Damian, J, Di Julio, D, Kittelmann, T, Campi, D, Bernasconi, M, Gosh, A, Gorini, G, Rizzi, N, Klinkby, E, Santoro, V, Damian, JIM, Di Julio, DD, Ramic, K, Damian, J, Di Julio, D, Kittelmann, T, Campi, D, Bernasconi, M, Gosh, A, Gorini, G, Rizzi, N, Klinkby, E, Santoro, V, Damian, JIM, and Di Julio, DD

Abstract

The European Spallation Source, which is under construction in Lund, Sweden, aims to be the world's brightest source of neutrons. During the first phase of construction, users will have access to a suite of 15 instruments, which will produce neutrons through a butterfly-shaped moderator system located above the spallation target. The HighNESS project, funded by the European Union Horizon 2020 program, has the goal of providing a new design for the second moderator, which will be situated below the spallation target and will be the most intense neutron source in the world. The new moderator will provide a higher intensity of neutrons in the cold, very cold, and ultracold energy regions, which will advance research in several areas of condensed matter and offer unique opportunities in fundamental physics. Work Package 2 of the HighNESS project is focused on supporting the design of the second moderator by providing nuclear data support for neutronics calculations and improving the accompanying physics software. This paper showcases recent advancements in NJOY + NCrystal, a tool for creating thermal neutron scattering-evaluated nuclear data files and continued work on nanodiamonds as advanced neutron reflectors.

Published
2024

6. The HighNESS Project at the European Spallation Source : Current Status and Future Perspectives

Author

Santoro, V., Andersen, K. H., Bentley, P., Bernasconi, M., Bertelsen, M., Bessler, Y., Bianchi, A., Brys, T., Campi, D., Chambon, A., Czamler, V., Di Julio, D. D., Dian, E., Dunne, Katherine, Ferreira, M. J., Fierlinger, P., Friman-Gayer, U., Folsom, B. T., Gaye, A., Gorini, G., Happe, C., Holl, M., Kamyshkov, Y., Kittelmann, T., Klinkby, E. B., Kolevatov, R., Laporte, S. I., Lauritzen, B., Damian, J. I. Marquez, Meirose, Bernhard, Mezei, F., Milstead, David A., Muhrer, G., Neshvizhevsky, V., Rataj, B., Rizzi, N., Rosta, L., Samothrakitis, S., Schober, H., Selknaes, J. R., Silverstein, Samuel B., Strobl, M., Strothmann, M., Takibayev, A., Wagner, R., Willendrup, P., Xu, S., Yiu, S. C., Zanini, L., Zimmer, O., Santoro, V., Andersen, K. H., Bentley, P., Bernasconi, M., Bertelsen, M., Bessler, Y., Bianchi, A., Brys, T., Campi, D., Chambon, A., Czamler, V., Di Julio, D. D., Dian, E., Dunne, Katherine, Ferreira, M. J., Fierlinger, P., Friman-Gayer, U., Folsom, B. T., Gaye, A., Gorini, G., Happe, C., Holl, M., Kamyshkov, Y., Kittelmann, T., Klinkby, E. B., Kolevatov, R., Laporte, S. I., Lauritzen, B., Damian, J. I. Marquez, Meirose, Bernhard, Mezei, F., Milstead, David A., Muhrer, G., Neshvizhevsky, V., Rataj, B., Rizzi, N., Rosta, L., Samothrakitis, S., Schober, H., Selknaes, J. R., Silverstein, Samuel B., Strobl, M., Strothmann, M., Takibayev, A., Wagner, R., Willendrup, P., Xu, S., Yiu, S. C., Zanini, L., and Zimmer, O.

Abstract

The European Spallation Source (ESS), presently under construction in Lund, Sweden, is a multidisciplinary international laboratory that, once completed at full specifications, will operate the world's most powerful pulsed neutron source. Supported by a 3 M Euro Research and Innovation Action within the European Union Horizon 2020 program, a design study (HighNESS) is now underway to develop a second neutron source located below the spallation target. Compared to the first source, which is located above the spallation target and designed for high cold and thermal brightness, the new source is being optimized to deliver higher intensity and a shift to longer wavelengths in the spectral regions of cold neutrons (CNs) (2 to 20 & Aring;), very cold neutrons (VCNs) (10 to 120 & Aring;), and ultracold neutrons (UCNs) (> 500 & Aring;). The second source consists of a large liquid deuterium moderator to deliver CNs and serve secondary VCN and UCN sources, for which different options are under study. These new sources will boost several areas of condensed matter research and will provide unique opportunities in fundamental physics. The HighNESS project is now entering its last year, and we are working toward the Conceptual Design Report of the ESS upgrade. In this paper, results obtained in the first 2 years, ongoing developments, and future perspectives are described.

Published
2024
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7. The HighNESS Project at the European Spallation Source: Current Status and Future Perspectives

Author

Santoro, V, Andersen, K, Bentley, P, Bernasconi, M, Bertelsen, M, Bessler, Y, Bianchi, A, Brys, T, Campi, D, Chambon, A, Czamler, V, Di Julio, D, Dian, E, Dunne, K, Ferreira, M, Fierlinger, P, Friman-Gayer, U, Folsom, B, Gaye, A, Gorini, G, Happe, C, Holl, M, Kamyshkov, Y, Kittelmann, T, Klinkby, E, Kolevatov, R, Laporte, S, Lauritzen, B, Marquez Damian, J, Meirose, B, Mezei, F, Milstead, D, Muhrer, G, Neshvizhevsky, V, Rataj, B, Rizzi, N, Rosta, L, Samothrakitis, S, Schober, H, Selknaes, J, Silverstein, S, Strobl, M, Strothmann, M, Takibayev, A, Wagner, R, Willendrup, P, Xu, S, Yiu, S, Zanini, L, Zimmer, O, Santoro V., Andersen K. H., Bentley P., Bernasconi M., Bertelsen M., Bessler Y., Bianchi A., Brys T., Campi D., Chambon A., Czamler V., Di Julio D. D., Dian E., Dunne K., Ferreira M. J., Fierlinger P., Friman-Gayer U., Folsom B. T., Gaye A., Gorini G., Happe C., Holl M., Kamyshkov Y., Kittelmann T., Klinkby E. B., Kolevatov R., Laporte S. I., Lauritzen B., Marquez Damian J. I., Meirose B., Mezei F., Milstead D., Muhrer G., Neshvizhevsky V., Rataj B., Rizzi N., Rosta L., Samothrakitis S., Schober H., Selknaes J. R., Silverstein S., Strobl M., Strothmann M., Takibayev A., Wagner R., Willendrup P., Xu S., Yiu S. C., Zanini L., Zimmer O., Santoro, V, Andersen, K, Bentley, P, Bernasconi, M, Bertelsen, M, Bessler, Y, Bianchi, A, Brys, T, Campi, D, Chambon, A, Czamler, V, Di Julio, D, Dian, E, Dunne, K, Ferreira, M, Fierlinger, P, Friman-Gayer, U, Folsom, B, Gaye, A, Gorini, G, Happe, C, Holl, M, Kamyshkov, Y, Kittelmann, T, Klinkby, E, Kolevatov, R, Laporte, S, Lauritzen, B, Marquez Damian, J, Meirose, B, Mezei, F, Milstead, D, Muhrer, G, Neshvizhevsky, V, Rataj, B, Rizzi, N, Rosta, L, Samothrakitis, S, Schober, H, Selknaes, J, Silverstein, S, Strobl, M, Strothmann, M, Takibayev, A, Wagner, R, Willendrup, P, Xu, S, Yiu, S, Zanini, L, Zimmer, O, Santoro V., Andersen K. H., Bentley P., Bernasconi M., Bertelsen M., Bessler Y., Bianchi A., Brys T., Campi D., Chambon A., Czamler V., Di Julio D. D., Dian E., Dunne K., Ferreira M. J., Fierlinger P., Friman-Gayer U., Folsom B. T., Gaye A., Gorini G., Happe C., Holl M., Kamyshkov Y., Kittelmann T., Klinkby E. B., Kolevatov R., Laporte S. I., Lauritzen B., Marquez Damian J. I., Meirose B., Mezei F., Milstead D., Muhrer G., Neshvizhevsky V., Rataj B., Rizzi N., Rosta L., Samothrakitis S., Schober H., Selknaes J. R., Silverstein S., Strobl M., Strothmann M., Takibayev A., Wagner R., Willendrup P., Xu S., Yiu S. C., Zanini L., and Zimmer O.

Abstract

The European Spallation Source (ESS), presently under construction in Lund, Sweden, is a multidisciplinary international laboratory that, once completed at full specifications, will operate the world’s most powerful pulsed neutron source. Supported by a 3 M Euro Research and Innovation Action within the European Union Horizon 2020 program, a design study (HighNESS) is now underway to develop a second neutron source located below the spallation target. Compared to the first source, which is located above the spallation target and designed for high cold and thermal brightness, the new source is being optimized to deliver higher intensity and a shift to longer wavelengths in the spectral regions of cold neutrons (CNs) (2 to 20 Å), very cold neutrons (VCNs) (10 to 120 Å), and ultracold neutrons (UCNs) ((Formula presented.) 500 Å). The second source consists of a large liquid deuterium moderator to deliver CNs and serve secondary VCN and UCN sources, for which different options are under study. These new sources will boost several areas of condensed matter research and will provide unique opportunities in fundamental physics. The HighNESS project is now entering its last year, and we are working toward the Conceptual Design Report of the ESS upgrade. In this paper, results obtained in the first 2 years, ongoing developments, and future perspectives are described.

Published
2023

8. Particle physics at the European Spallation Source

Author

Abele, H, Alekou, A, Algora, A, Andersen, K, Baessler, S, Barron-Palos, L, Barrow, J, Baussan, E, Bentley, P, Berezhiani, Z, Bessler, Y, Bhattacharyya, A, Bianchi, A, Bijnens, J, Blanco, C, Kraljevic, N, Blennow, M, Bodek, K, Bogomilov, M, Bohm, C, Bolling, B, Bouquerel, E, Brooijmans, G, Broussard, L, Buchan, O, Burgman, A, Calen, H, Carlile, C, Cederkall, J, Chanel, E, Christiansen, P, Cirigliano, V, Collar, J, Collins, M, Crawford, C, Morales, E, Cupial, P, D'Alessi, L, Damian, J, Danared, H, Dancila, D, de Andre, J, Delahaye, J, Degenkolb, S, Di Julio, D, Dracos, M, Dunne, K, Efthymiopoulos, I, Ekelof, T, Eklund, L, Eshraqi, M, Esteban, I, Fanourakis, G, Farricker, A, Fernandez-Martinez, E, Ferreira, M, Fertl, M, Fierlinger, P, Folsom, B, Frank, A, Fratangelo, A, Friman-Gayer, U, Fukuda, T, Fynbo, H, Sosa, A, Gazis, N, Galnander, B, Geralis, T, Ghosh, M, Gokbulut, G, Gomez-Cadenas, J, Gonzalez-Alonso, M, Gonzalez, F, Halic, L, Happe, C, Heil, P, Heinz, A, Herde, H, Holl, M, Jenke, T, Jenssen, M, Jericha, E, Johansson, H, Johansson, R, Johansson, T, Kamyshkov, Y, Topaksu, A, Kildetoft, B, Kirch, K, Klicek, B, Klinkby, E, Kolevatov, R, Konrad, G, Koziol, M, Krhac, K, Kupsc, A, Lacny, L, Larizgoitia, L, Lewis, C, Lindroos, M, Lychagin, E, Lytken, E, Maiano, C, Marciniewski, P, Markaj, G, Markisch, B, Marrelli, C, Martins, C, Meirose, B, Mezzetto, M, Milas, N, Milstead, D, Monrabal, F, Muhrer, G, Nepomuceno, A, Nesvizhevsky, V, Nilsson, T, Novella, P, Oglakci, M, Ohlsson, T, Olvegard, M, Oskarsson, A, Ota, T, Park, J, Patrzalek, D, Perrey, H, Persoz, M, Petkov, G, Piegsa, F, Pistillo, C, Poussot, P, Privitera, P, Rataj, B, Ries, D, Rizzi, N, Rosauro-Alcaraz, S, Rozpedzik, D, Saiang, D, Santoro, V, Schmidt, U, Schober, H, Schulthess, I, Silverstein, S, Simon, A, Sina, H, Snamina, J, Snow, W, Soldner, T, Stavropoulos, G, Stipcevic, M, Szybinski, B, Takibayev, A, Tang, Z, Tarkeshian, R, Theroine, C, Thorne, J, Terranova, F, Thomas, J, Tolba, T, Torres-Sanchez, P, Trachanas, E, Tsenov, R, Uggerhoj, U, Vankova-Kirilova, G, Vassilopoulos, N, Wagner, R, Wang, X, Wildner, E, Wolke, M, Wurtz, J, Yiu, S, Yoon, S, Young, A, Zanini, L, Zejma, J, Zerzion, D, Zimmer, O, Zormpa, O, Zou, Y, Abele H., Alekou A., Algora A., Andersen K., Baessler S., Barron-Palos L., Barrow J., Baussan E., Bentley P., Berezhiani Z., Bessler Y., Bhattacharyya A. K., Bianchi A., Bijnens J., Blanco C., Kraljevic N. B., Blennow M., Bodek K., Bogomilov M., Bohm C., Bolling B., Bouquerel E., Brooijmans G., Broussard L. J., Buchan O., Burgman A., Calen H., Carlile C. J., Cederkall J., Chanel E., Christiansen P., Cirigliano V., Collar J. I., Collins M., Crawford C. B., Morales E. C., Cupial P., D'Alessi L., Damian J. I. M., Danared H., Dancila D., de Andre J. P. A. M., Delahaye J. P., Degenkolb S., Di Julio D. D., Dracos M., Dunne K., Efthymiopoulos I., Ekelof T., Eklund L., Eshraqi M., Esteban I., Fanourakis G., Farricker A., Fernandez-Martinez E., Ferreira M. J., Fertl M., Fierlinger P., Folsom B., Frank A., Fratangelo A., Friman-Gayer U., Fukuda T., Fynbo H. O. U., Sosa A. G., Gazis N., Galnander B., Geralis T., Ghosh M., Gokbulut G., Gomez-Cadenas J. J., Gonzalez-Alonso M., Gonzalez F., Halic L., Happe C., Heil P., Heinz A., Herde H., Holl M., Jenke T., Jenssen M., Jericha E., Johansson H. T., Johansson R., Johansson T., Kamyshkov Y., Topaksu A. K., Kildetoft B., Kirch K., Klicek B., Klinkby E., Kolevatov R., Konrad G., Koziol M., Krhac K., Kupsc A., Lacny L., Larizgoitia L., Lewis C. M., Lindroos M., Lychagin E., Lytken E., Maiano C., Marciniewski P., Markaj G., Markisch B., Marrelli C., Martins C., Meirose B., Mezzetto M., Milas N., Milstead D., Monrabal F., Muhrer G., Nepomuceno A., Nesvizhevsky V., Nilsson T., Novella P., Oglakci M., Ohlsson T., Olvegard M., Oskarsson A., Ota T., Park J., Patrzalek D., Perrey H., Persoz M., Petkov G., Piegsa F. M., Pistillo C., Poussot P., Privitera P., Rataj B., Ries D., Rizzi N., Rosauro-Alcaraz S., Rozpedzik D., Saiang D., Santoro V., Schmidt U., Schober H., Schulthess I., Silverstein S., Simon A., Sina H., Snamina J., Snow W. M., Soldner T., Stavropoulos G., Stipcevic M., Szybinski B., Takibayev A., Tang Z., Tarkeshian R., Theroine C., Thorne J., Terranova F., Thomas J., Tolba T., Torres-Sanchez P., Trachanas E., Tsenov R., Uggerhoj U. I., Vankova-Kirilova G., Vassilopoulos N., Wagner R., Wang X., Wildner E., Wolke M., Wurtz J., Yiu S. C., Yoon S. G., Young A. R., Zanini L., Zejma J., Zerzion D., Zimmer O., Zormpa O., Zou Y., Abele, H, Alekou, A, Algora, A, Andersen, K, Baessler, S, Barron-Palos, L, Barrow, J, Baussan, E, Bentley, P, Berezhiani, Z, Bessler, Y, Bhattacharyya, A, Bianchi, A, Bijnens, J, Blanco, C, Kraljevic, N, Blennow, M, Bodek, K, Bogomilov, M, Bohm, C, Bolling, B, Bouquerel, E, Brooijmans, G, Broussard, L, Buchan, O, Burgman, A, Calen, H, Carlile, C, Cederkall, J, Chanel, E, Christiansen, P, Cirigliano, V, Collar, J, Collins, M, Crawford, C, Morales, E, Cupial, P, D'Alessi, L, Damian, J, Danared, H, Dancila, D, de Andre, J, Delahaye, J, Degenkolb, S, Di Julio, D, Dracos, M, Dunne, K, Efthymiopoulos, I, Ekelof, T, Eklund, L, Eshraqi, M, Esteban, I, Fanourakis, G, Farricker, A, Fernandez-Martinez, E, Ferreira, M, Fertl, M, Fierlinger, P, Folsom, B, Frank, A, Fratangelo, A, Friman-Gayer, U, Fukuda, T, Fynbo, H, Sosa, A, Gazis, N, Galnander, B, Geralis, T, Ghosh, M, Gokbulut, G, Gomez-Cadenas, J, Gonzalez-Alonso, M, Gonzalez, F, Halic, L, Happe, C, Heil, P, Heinz, A, Herde, H, Holl, M, Jenke, T, Jenssen, M, Jericha, E, Johansson, H, Johansson, R, Johansson, T, Kamyshkov, Y, Topaksu, A, Kildetoft, B, Kirch, K, Klicek, B, Klinkby, E, Kolevatov, R, Konrad, G, Koziol, M, Krhac, K, Kupsc, A, Lacny, L, Larizgoitia, L, Lewis, C, Lindroos, M, Lychagin, E, Lytken, E, Maiano, C, Marciniewski, P, Markaj, G, Markisch, B, Marrelli, C, Martins, C, Meirose, B, Mezzetto, M, Milas, N, Milstead, D, Monrabal, F, Muhrer, G, Nepomuceno, A, Nesvizhevsky, V, Nilsson, T, Novella, P, Oglakci, M, Ohlsson, T, Olvegard, M, Oskarsson, A, Ota, T, Park, J, Patrzalek, D, Perrey, H, Persoz, M, Petkov, G, Piegsa, F, Pistillo, C, Poussot, P, Privitera, P, Rataj, B, Ries, D, Rizzi, N, Rosauro-Alcaraz, S, Rozpedzik, D, Saiang, D, Santoro, V, Schmidt, U, Schober, H, Schulthess, I, Silverstein, S, Simon, A, Sina, H, Snamina, J, Snow, W, Soldner, T, Stavropoulos, G, Stipcevic, M, Szybinski, B, Takibayev, A, Tang, Z, Tarkeshian, R, Theroine, C, Thorne, J, Terranova, F, Thomas, J, Tolba, T, Torres-Sanchez, P, Trachanas, E, Tsenov, R, Uggerhoj, U, Vankova-Kirilova, G, Vassilopoulos, N, Wagner, R, Wang, X, Wildner, E, Wolke, M, Wurtz, J, Yiu, S, Yoon, S, Young, A, Zanini, L, Zejma, J, Zerzion, D, Zimmer, O, Zormpa, O, Zou, Y, Abele H., Alekou A., Algora A., Andersen K., Baessler S., Barron-Palos L., Barrow J., Baussan E., Bentley P., Berezhiani Z., Bessler Y., Bhattacharyya A. K., Bianchi A., Bijnens J., Blanco C., Kraljevic N. B., Blennow M., Bodek K., Bogomilov M., Bohm C., Bolling B., Bouquerel E., Brooijmans G., Broussard L. J., Buchan O., Burgman A., Calen H., Carlile C. J., Cederkall J., Chanel E., Christiansen P., Cirigliano V., Collar J. I., Collins M., Crawford C. B., Morales E. C., Cupial P., D'Alessi L., Damian J. I. M., Danared H., Dancila D., de Andre J. P. A. M., Delahaye J. P., Degenkolb S., Di Julio D. D., Dracos M., Dunne K., Efthymiopoulos I., Ekelof T., Eklund L., Eshraqi M., Esteban I., Fanourakis G., Farricker A., Fernandez-Martinez E., Ferreira M. J., Fertl M., Fierlinger P., Folsom B., Frank A., Fratangelo A., Friman-Gayer U., Fukuda T., Fynbo H. O. U., Sosa A. G., Gazis N., Galnander B., Geralis T., Ghosh M., Gokbulut G., Gomez-Cadenas J. J., Gonzalez-Alonso M., Gonzalez F., Halic L., Happe C., Heil P., Heinz A., Herde H., Holl M., Jenke T., Jenssen M., Jericha E., Johansson H. T., Johansson R., Johansson T., Kamyshkov Y., Topaksu A. K., Kildetoft B., Kirch K., Klicek B., Klinkby E., Kolevatov R., Konrad G., Koziol M., Krhac K., Kupsc A., Lacny L., Larizgoitia L., Lewis C. M., Lindroos M., Lychagin E., Lytken E., Maiano C., Marciniewski P., Markaj G., Markisch B., Marrelli C., Martins C., Meirose B., Mezzetto M., Milas N., Milstead D., Monrabal F., Muhrer G., Nepomuceno A., Nesvizhevsky V., Nilsson T., Novella P., Oglakci M., Ohlsson T., Olvegard M., Oskarsson A., Ota T., Park J., Patrzalek D., Perrey H., Persoz M., Petkov G., Piegsa F. M., Pistillo C., Poussot P., Privitera P., Rataj B., Ries D., Rizzi N., Rosauro-Alcaraz S., Rozpedzik D., Saiang D., Santoro V., Schmidt U., Schober H., Schulthess I., Silverstein S., Simon A., Sina H., Snamina J., Snow W. M., Soldner T., Stavropoulos G., Stipcevic M., Szybinski B., Takibayev A., Tang Z., Tarkeshian R., Theroine C., Thorne J., Terranova F., Thomas J., Tolba T., Torres-Sanchez P., Trachanas E., Tsenov R., Uggerhoj U. I., Vankova-Kirilova G., Vassilopoulos N., Wagner R., Wang X., Wildner E., Wolke M., Wurtz J., Yiu S. C., Yoon S. G., Young A. R., Zanini L., Zejma J., Zerzion D., Zimmer O., Zormpa O., and Zou Y.

Abstract

Presently under construction in Lund, Sweden, the European Spallation Source (ESS) will be the world's brightest neutron source. As such, it has the potential for a particle physics program with a unique reach and which is complementary to that available at other facilities. This paper describes proposed particle physics activities for the ESS. These encompass the exploitation of both the neutrons and neutrinos produced at the ESS for high precision (sensitivity) measurements (searches).

Published
2023

9. The HighNESS Project at the European Spallation Source: Current Status and Future Perspectives

Author

Santoro, V., primary, Andersen, K. H., additional, Bentley, P., additional, Bernasconi, M., additional, Bertelsen, M., additional, Beßler, Y., additional, Bianchi, A., additional, Brys, T., additional, Campi, D., additional, Chambon, A., additional, Czamler, V., additional, Di Julio, D. D., additional, Dian, E., additional, Dunne, K., additional, Ferreira, M. J., additional, Fierlinger, P., additional, Friman-Gayer, U., additional, Folsom, B. T., additional, Gaye, A., additional, Gorini, G., additional, Happe, C., additional, Holl, M., additional, Kamyshkov, Y., additional, Kittelmann, T., additional, Klinkby, E. B., additional, Kolevatov, R., additional, Laporte, S. I., additional, Lauritzen, B., additional, Marquez Damian, J. I., additional, Meirose, B., additional, Mezei, F., additional, Milstead, D., additional, Muhrer, G., additional, Neshvizhevsky, V., additional, Rataj, B., additional, Rizzi, N., additional, Rosta, L., additional, Samothrakitis, S., additional, Schober, H., additional, Selknaes, J. R., additional, Silverstein, S., additional, Strobl, M., additional, Strothmann, M., additional, Takibayev, A., additional, Wagner, R., additional, Willendrup, P., additional, Xu, S., additional, Yiu, S. C., additional, Zanini, L., additional, and Zimmer, O., additional

Published
2023
Full Text
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10. NJOY+NCrystal: An open-source tool for creating thermal neutron scattering libraries with mixed elastic support

Author

Ramic, K, Marquez Damian, J, Kittelmann, T, Di Julio, D, Campi, D, Bernasconi, M, Gorini, G, Santoro, V, Ramic K., Marquez Damian J. I., Kittelmann T., Di Julio D. D., Campi D., Bernasconi M., Gorini G., Santoro V., Ramic, K, Marquez Damian, J, Kittelmann, T, Di Julio, D, Campi, D, Bernasconi, M, Gorini, G, Santoro, V, Ramic K., Marquez Damian J. I., Kittelmann T., Di Julio D. D., Campi D., Bernasconi M., Gorini G., and Santoro V.

Abstract

In this work we present NJOY+NCrystal, a tool to generate thermal neutron scattering libraries with support for coherent and incoherent elastic components for crystalline solid materials. This tool, which is a customized version of NJOY, was created by modifying the nuclear data processing program NJOY to call the thermal scattering software library NCrystal, and includes a proposed change in the ENDF-6 format to store both the coherent and incoherent elastic components. Necessary changes to enable this format in NJOY, as well as to sample it in the OpenMC Monte Carlo code, are detailed here. Examples of materials that are coherent–dominant, incoherent–dominant, and mixed elastic scatterers are presented, as well as the creation of novel libraries for MgH2 and MgD2, that are under consideration as advanced neutron reflectors in the HighNESS project at the European Spallation Source. NJOY+NCrystal greatly simplifies the process to generate thermal scattering libraries (TSL) and this is exemplified with 213 new and updated TSL evaluations.

Published
2022

11. Development of a High Intensity Neutron Source at the European Spallation Source: the HighNESS Project

Author

Santoro, V, Andersen, K, Bernasconi, M, Bertelsen, M, Bessler, Y, Campi, D, Czamler, V, Di Julio, D, Dian, E, Dunne, K, Fierlinger, P, Gaye, A, Gorini, G, Happe, C, Kittelmann, T, Klinkby, E, Kokai, Z, Kolevatov, R, Lauritzen, B, Linander, R, Marquez Damian, J, Meirose, B, Mezei, F, Milstead, D, Muhrer, G, Ramic, K, Rataj, B, Rizzi, N, Samothrakitis, S, Selknaes, J, Silverstein, S, Strobl, M, Strothmann, M, Takibayev, A, Wagner, R, Willendrup, P, Yiu, S, Zanini, L, Zimmer, O, Santoro V., Andersen K. H., Bernasconi M., Bertelsen M., Bessler Y., Campi D., Czamler V., Di Julio D. D., Dian E., Dunne K., Fierlinger P., Gaye A., Gorini G., Happe C., Kittelmann T., Klinkby E. B., Kokai Z., Kolevatov R., Lauritzen B., Linander R., Marquez Damian J. I., Meirose B., Mezei F., Milstead D., Muhrer G., Ramic K., Rataj B., Rizzi N., Samothrakitis S., Selknaes J. R., Silverstein S., Strobl M., Strothmann M., Takibayev A., Wagner R., Willendrup P., Yiu S. -C., Zanini L., Zimmer O., Santoro, V, Andersen, K, Bernasconi, M, Bertelsen, M, Bessler, Y, Campi, D, Czamler, V, Di Julio, D, Dian, E, Dunne, K, Fierlinger, P, Gaye, A, Gorini, G, Happe, C, Kittelmann, T, Klinkby, E, Kokai, Z, Kolevatov, R, Lauritzen, B, Linander, R, Marquez Damian, J, Meirose, B, Mezei, F, Milstead, D, Muhrer, G, Ramic, K, Rataj, B, Rizzi, N, Samothrakitis, S, Selknaes, J, Silverstein, S, Strobl, M, Strothmann, M, Takibayev, A, Wagner, R, Willendrup, P, Yiu, S, Zanini, L, Zimmer, O, Santoro V., Andersen K. H., Bernasconi M., Bertelsen M., Bessler Y., Campi D., Czamler V., Di Julio D. D., Dian E., Dunne K., Fierlinger P., Gaye A., Gorini G., Happe C., Kittelmann T., Klinkby E. B., Kokai Z., Kolevatov R., Lauritzen B., Linander R., Marquez Damian J. I., Meirose B., Mezei F., Milstead D., Muhrer G., Ramic K., Rataj B., Rizzi N., Samothrakitis S., Selknaes J. R., Silverstein S., Strobl M., Strothmann M., Takibayev A., Wagner R., Willendrup P., Yiu S. -C., Zanini L., and Zimmer O.

Abstract

The European Spallation Source (ESS), presently under construction in Lund, Sweden, is a multidisciplinary international laboratory that will operate the world’s most powerful pulsed neutron source. Supported by a 3M Euro Research and Innovation Action within the EU Horizon 2020 program, a design study (HighNESS) is now underway to develop a second neutron source below the spallation target. Compared to the first source, located above the spallation target and designed for high cold and thermal brightness, the new source will provide higher intensity, and a shift to longer wavelengths in the spectral regions of cold (2-20 Å), very cold (VCN, 10-120 Å), and ultra cold (UCN, > 500 Å) neutrons. The core of the second source will consist of a large liquid deuterium moderator to deliver a high flux of cold neutrons and to serve secondary VCN and UCN sources, for which different options are under study. The features of these new sources will boost several areas of condensed matter research and will provide unique opportunities in fundamental physics. Part of the HighNESS project is also dedicated to the development of future instruments that will make use of the new source and will complement the initial suite of instruments in construction at ESS. The HighNESS project started in October 2020. In this paper, the ongoing developments and the results obtained in the first year are described.

Published
2022

12. Advances in Nuclear Data and Software Development for the HighNESS Project

Author

Ramic, K, Marquez Damian, J, Di Julio, D, Kittelmann, T, Campi, D, Bernasconi, M, Gosh, A, Gorini, G, Rizzi, N, Klinkby, E, Santoro, V, Ramic K., Marquez Damian J. I., Di Julio D. D., Kittelmann T., Campi D., Bernasconi M., Gosh A., Gorini G., Rizzi N., Klinkby E., Santoro V., Ramic, K, Marquez Damian, J, Di Julio, D, Kittelmann, T, Campi, D, Bernasconi, M, Gosh, A, Gorini, G, Rizzi, N, Klinkby, E, Santoro, V, Ramic K., Marquez Damian J. I., Di Julio D. D., Kittelmann T., Campi D., Bernasconi M., Gosh A., Gorini G., Rizzi N., Klinkby E., and Santoro V.

Abstract

The European Spallation Source, which is currently under construction in Lund, Sweden, is designed to be the brightest source of neutrons and in the first phase users will have access to a suite of 15 instruments, where the neutrons will be provided by a butterfly shaped moderator system, placed above the spallation target. The goal of the HighNESS project, which is funded by the EU Horizon 2020 program, is to provide a new design for the second moderator, situated below the spallation target, which will be the most intense neutron source in the world. The new moderator will provide a higher intensity of neutrons in the cold, very cold and ultracold energy regions. The features of this new source will boost several areas of condensed matter research and also will provide unique opportunities in fundamental physics. To support the design of the second moderator, the goal of Work Package 2 of the project is to provide nuclear data support for the neutronics calculations, as well as the accompanying software development for improved physics. In this paper, the recent advancements on NJOY+NCrystal, a novel tool for creation of thermal neutron scattering evaluated nuclear data files will be shown, as well as some continued work on nanodiamonds as advanced neutron reflectors.

Published
2022

13. Particle physics at the European Spallation Source

Author

Abele, H., Alekou, A., Algora, A., Andersen, K., Baessler, S., Barron-Palos, L., Barrow, J., Baussan, E., Bentley, P., Berezhiani, Z., Bessler, Y., Bhattacharyya, A. K., Bianchi, A., Bijnens, J., Blanco, C., Kraljevic, N. Blaskovic, Blennow, M., Bodek, K., Bogomilov, M., Bohm, C., Bolling, B., Bouquerel, E., Brooijmans, G., Broussard, L. J., Buchan, O., Burgman, A., Calén, Hans, Carlile, Colin J., Cederkall, J., Chanel, E., Christiansen, P., Cirigliano, V., Collar, J. I., Collins, M., Crawford, C. B., Morales, E. Cristaldo, Cupial, P., D'Alessi, L., Damian, J. I. M., Danared, H., Dancila, Dragos, de Andre, J. P. A. M., Delahaye, J. P., Degenkolb, S., Di Julio, D. D., Dracos, M., Dunne, K., Efthymiopoulos, I., Ekelöf, Tord, Eklund, Lars, Eshraqi, M., Esteban, I., Fanourakis, G., Farricker, A., Fernandez-Martinez, E., Ferreira, J., Fertl, M., Fierlinger, P., Folsom, B., Frank, A., Fratangelo, A., Friman-Gayer, U., Fukuda, T., Fynbo, H. O. U., Sosa, A. Garcia, Gazis, N., Galnander, B., Geralis, Th., Ghosh, M., Gokbulut, G., Gomez-Cadenas, J. J., Gonzalez-Alonso, M., Gonzalez, F., Halic, L., Happe, C., Heil, P., Heinz, A., Herde, H., Holl, M., Jenke, T., Jenssen, M., Jericha, E., Johansson, H. T., Johansson, R., Johansson, Tord, Kamyshkov, Y., Topaksu, A. Kayis, Kildetoft, B., Kirch, K., Klicek, B., Klinkby, E., Kolevatov, R., Konrad, G., Koziol, M., Krhac, K., Kupść, Andrzej, Lacny, L., Larizgoitia, L., Lewis, C. M., Lindroos, M., Lychagin, E., Lytken, E., Maiano, C., Marciniewski, Pawel, Markaj, G., Markisch, B., Marrelli, C., Martins, C., Meirose, B., Mezzetto, M., Milas, N., Milstead, D., Monrabal, F., Muhrer, G., Nepomuceno, A., Nesvizhevsky, V., Nilsson, T., Novella, P., Oglakci, M., Ohlsson, T., Olvegård, Maja, Oskarsson, A., Ota, T., Park, J., Patrzalek, D., Perrey, H., Persoz, M., Petkov, G., Piegsa, F. M., Pistillo, C., Poussot, P., Privitera, P., Rataj, B., Ries, D., Rizzi, N., Rosauro-Alcaraz, S., Rozpedzik, D., Saiang, D., Santoro, V., Schmidt, U., Schober, H., Schulthess, I., Silverstein, S., Simon, A., Sina, H., Snamina, J., Snow, W. M., Soldner, T., Stavropoulos, G., Stipcevic, M., Szybinski, B., Takibayev, A., Tang, Z., Tarkeshian, R., Theroine, C., Thorne, J., Terranova, F., Thomas, J., Tolba, T., Torres-Sanchez, P., Trachanas, E., Tsenov, R., Uggerhoj, U. I., Vankova-Kirilova, G., Vassilopoulos, N., Wagner, R., Wang, X., Wildner, E., Wolke, Magnus, Wurtz, J., Yiu, S. C., Yoon, S. G., Young, A. R., Zanini, L., Zejma, J., Zerzion, D., Zimmer, O., Zormpa, O., Zou, Ye, Abele, H., Alekou, A., Algora, A., Andersen, K., Baessler, S., Barron-Palos, L., Barrow, J., Baussan, E., Bentley, P., Berezhiani, Z., Bessler, Y., Bhattacharyya, A. K., Bianchi, A., Bijnens, J., Blanco, C., Kraljevic, N. Blaskovic, Blennow, M., Bodek, K., Bogomilov, M., Bohm, C., Bolling, B., Bouquerel, E., Brooijmans, G., Broussard, L. J., Buchan, O., Burgman, A., Calén, Hans, Carlile, Colin J., Cederkall, J., Chanel, E., Christiansen, P., Cirigliano, V., Collar, J. I., Collins, M., Crawford, C. B., Morales, E. Cristaldo, Cupial, P., D'Alessi, L., Damian, J. I. M., Danared, H., Dancila, Dragos, de Andre, J. P. A. M., Delahaye, J. P., Degenkolb, S., Di Julio, D. D., Dracos, M., Dunne, K., Efthymiopoulos, I., Ekelöf, Tord, Eklund, Lars, Eshraqi, M., Esteban, I., Fanourakis, G., Farricker, A., Fernandez-Martinez, E., Ferreira, J., Fertl, M., Fierlinger, P., Folsom, B., Frank, A., Fratangelo, A., Friman-Gayer, U., Fukuda, T., Fynbo, H. O. U., Sosa, A. Garcia, Gazis, N., Galnander, B., Geralis, Th., Ghosh, M., Gokbulut, G., Gomez-Cadenas, J. J., Gonzalez-Alonso, M., Gonzalez, F., Halic, L., Happe, C., Heil, P., Heinz, A., Herde, H., Holl, M., Jenke, T., Jenssen, M., Jericha, E., Johansson, H. T., Johansson, R., Johansson, Tord, Kamyshkov, Y., Topaksu, A. Kayis, Kildetoft, B., Kirch, K., Klicek, B., Klinkby, E., Kolevatov, R., Konrad, G., Koziol, M., Krhac, K., Kupść, Andrzej, Lacny, L., Larizgoitia, L., Lewis, C. M., Lindroos, M., Lychagin, E., Lytken, E., Maiano, C., Marciniewski, Pawel, Markaj, G., Markisch, B., Marrelli, C., Martins, C., Meirose, B., Mezzetto, M., Milas, N., Milstead, D., Monrabal, F., Muhrer, G., Nepomuceno, A., Nesvizhevsky, V., Nilsson, T., Novella, P., Oglakci, M., Ohlsson, T., Olvegård, Maja, Oskarsson, A., Ota, T., Park, J., Patrzalek, D., Perrey, H., Persoz, M., Petkov, G., Piegsa, F. M., Pistillo, C., Poussot, P., Privitera, P., Rataj, B., Ries, D., Rizzi, N., Rosauro-Alcaraz, S., Rozpedzik, D., Saiang, D., Santoro, V., Schmidt, U., Schober, H., Schulthess, I., Silverstein, S., Simon, A., Sina, H., Snamina, J., Snow, W. M., Soldner, T., Stavropoulos, G., Stipcevic, M., Szybinski, B., Takibayev, A., Tang, Z., Tarkeshian, R., Theroine, C., Thorne, J., Terranova, F., Thomas, J., Tolba, T., Torres-Sanchez, P., Trachanas, E., Tsenov, R., Uggerhoj, U. I., Vankova-Kirilova, G., Vassilopoulos, N., Wagner, R., Wang, X., Wildner, E., Wolke, Magnus, Wurtz, J., Yiu, S. C., Yoon, S. G., Young, A. R., Zanini, L., Zejma, J., Zerzion, D., Zimmer, O., Zormpa, O., and Zou, Ye

Abstract

Presently under construction in Lund, Sweden, the European Spallation Source (ESS) will be the world’s brightest neutron source. As such, it has the potential for a particle physics program with a unique reach and which is complementary to that available at other facilities. This paper describes proposed particle physics activities for the ESS. These encompass the exploitation of both the neutrons and neutrinos produced at the ESS for high precision (sensitivity) measurements (searches).

Published
2023
Full Text
View/download PDF

14. The HighNESS Project at the European Spallation Source: Current Status and Future Perspectives

Author

Santoro, V., Andersen, K. H., Bentley, P., Bernasconi, M., Bertelsen, M., Beßler, Y., Bianchi, A., Brys, T., Campi, D., Chambon, A., Czamler, V., Di Julio, D. D., Dian, E., Dunne, K., Ferreira, M. J., Fierlinger, P., Friman-Gayer, U., Folsom, B. T., Gaye, A., Gorini, G., Happe, C., Holl, M., Kamyshkov, Y., Kittelmann, T., Klinkby, E. B., Kolevatov, R., Laporte, S. I., Lauritzen, B., Marquez Damian, J. I., Meirose, B., Mezei, F., Milstead, D., Muhrer, G., Neshvizhevsky, V., Rataj, B., Rizzi, N., Rosta, L., Samothrakitis, S., Schober, H., Selknaes, J. R., Silverstein, S., Strobl, M., Strothmann, M., Takibayev, A., Wagner, R., Willendrup, P., Xu, S., Yiu, S. C., Zanini, L., Zimmer, O., Santoro, V., Andersen, K. H., Bentley, P., Bernasconi, M., Bertelsen, M., Beßler, Y., Bianchi, A., Brys, T., Campi, D., Chambon, A., Czamler, V., Di Julio, D. D., Dian, E., Dunne, K., Ferreira, M. J., Fierlinger, P., Friman-Gayer, U., Folsom, B. T., Gaye, A., Gorini, G., Happe, C., Holl, M., Kamyshkov, Y., Kittelmann, T., Klinkby, E. B., Kolevatov, R., Laporte, S. I., Lauritzen, B., Marquez Damian, J. I., Meirose, B., Mezei, F., Milstead, D., Muhrer, G., Neshvizhevsky, V., Rataj, B., Rizzi, N., Rosta, L., Samothrakitis, S., Schober, H., Selknaes, J. R., Silverstein, S., Strobl, M., Strothmann, M., Takibayev, A., Wagner, R., Willendrup, P., Xu, S., Yiu, S. C., Zanini, L., and Zimmer, O.

Abstract

The European Spallation Source (ESS), presently under construction in Lund, Sweden, is a multidisciplinary international laboratory that, once completed at full specifications, will operate the world’s most powerful pulsed neutron source. Supported by a 3 M Euro Research and Innovation Action within the European Union Horizon 2020 program, a design study (HighNESS) is now underway to develop a second neutron source located below the spallation target. Compared to the first source, which is located above the spallation target and designed for high cold and thermal brightness, the new source is being optimized to deliver higher intensity and a shift to longer wavelengths in the spectral regions of cold neutrons (CNs) (2 to 20 Å), very cold neutrons (VCNs) (10 to 120 Å), and ultracold neutrons (UCNs) (>500 Å). The second source consists of a large liquid deuterium moderator to deliver CNs and serve secondary VCN and UCN sources, for which different options are under study. These new sources will boost several areas of condensed matter research and will provide unique opportunities in fundamental physics. The HighNESS project is now entering its last year, and we are working toward the Conceptual Design Report of the ESS upgrade. In this paper, results obtained in the first 2 years, ongoing developments, and future perspectives are described.

Published
2023

15. Advances in Nuclear Data and Software Development for the HighNESS Project.

Author

Ramić, Kemal, Marquez Damian, J. I., Di Julio, D. D., Kittelmann, T., Campi, D., Bernasconi, M., Gosh, A., Gorini, G., Rizzi, N., Klinkby, E., and Santoro, V.

Subjects
COMPUTER software development, THERMAL neutrons, NEUTRON sources, CONDENSED matter, NANODIAMONDS
Abstract

The European Spallation Source, which is under construction in Lund, Sweden, aims to be the world's brightest source of neutrons. During the first phase of construction, users will have access to a suite of 15 instruments, which will produce neutrons through a butterfly-shaped moderator system located above the spallation target. The HighNESS project, funded by the European Union Horizon 2020 program, has the goal of providing a new design for the second moderator, which will be situated below the spallation target and will be the most intense neutron source in the world. The new moderator will provide a higher intensity of neutrons in the cold, very cold, and ultracold energy regions, which will advance research in several areas of condensed matter and offer unique opportunities in fundamental physics. Work Package 2 of the HighNESS project is focused on supporting the design of the second moderator by providing nuclear data support for neutronics calculations and improving the accompanying physics software. This paper showcases recent advancements in NJOY + NCrystal, a tool for creating thermal neutron scattering–evaluated nuclear data files and continued work on nanodiamonds as advanced neutron reflectors. [ABSTRACT FROM AUTHOR]

Published
2024
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17. The development of the NNBAR experiment

Author

Backman, Filip, Barrow, J., Beßler, Y., Bianchi, A., Bohm, Christian, Brooijmans, G., Calen, H., Cederkäll, J., Damian, J. I. M., Dian, E., Di Julio, D. D., Dunne, Katherine, Eklund, L., Ferreira, M. J., Fierlinger, P., Friman-Gayer, U., Happe, C., Holl, M., Johansson, T., Kamyshkov, Y., Klinkby, E., Kolevatov, R., Kupsc, A., Meirose, Bernhard, Milstead, David, Nepomuceno, A., Nilsson, T., Oskarsson, A., Perrey, H., Ramic, K., Rataj, B., Rizzi, N., Santoro, V., Silverstein, Samuel, Snow, W. M., Takibayev, A., Wagner, R., Wolke, M., Yiu, Sze-Chun, Young, A. R., Zanini, L., Zimmer, O., Backman, Filip, Barrow, J., Beßler, Y., Bianchi, A., Bohm, Christian, Brooijmans, G., Calen, H., Cederkäll, J., Damian, J. I. M., Dian, E., Di Julio, D. D., Dunne, Katherine, Eklund, L., Ferreira, M. J., Fierlinger, P., Friman-Gayer, U., Happe, C., Holl, M., Johansson, T., Kamyshkov, Y., Klinkby, E., Kolevatov, R., Kupsc, A., Meirose, Bernhard, Milstead, David, Nepomuceno, A., Nilsson, T., Oskarsson, A., Perrey, H., Ramic, K., Rataj, B., Rizzi, N., Santoro, V., Silverstein, Samuel, Snow, W. M., Takibayev, A., Wagner, R., Wolke, M., Yiu, Sze-Chun, Young, A. R., Zanini, L., and Zimmer, O.

Abstract

The NNBAR experiment for the European Spallation Source will search for free neutrons converting to antineutrons with a sensitivity improvement of three orders of magnitude compared to the last such search. This paper describes progress towards a conceptual design report for NNBAR. The design of a moderator, neutron reflector, beamline, shielding and annihilation detector is reported. The simulations used form part of a model which will be used for optimisation of the experiment design and quantification of its sensitivity.

Published
2022
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18. Deformation and mixing of coexisting shapes in neutron-deficient polonium isotopes

Author

Kesteloot, N., primary, Bastin, B., additional, Gaffney, L. P., additional, Wrzosek-Lipska, K., additional, Auranen, K., additional, Bauer, C., additional, Bender, M., additional, Bildstein, V., additional, Blazhev, A., additional, Bönig, S., additional, Bree, N., additional, Clément, E., additional, Cocolios, T. E., additional, Damyanova, A., additional, Darby, I., additional, De Witte, H., additional, Di Julio, D., additional, Diriken, J., additional, Fransen, C., additional, García-Ramos, J. E., additional, Gernhäuser, R., additional, Grahn, T., additional, Heenen, P.-H., additional, Hess, H., additional, Heyde, K., additional, Huyse, M., additional, Iwanicki, J., additional, Jakobsson, U., additional, Konki, J., additional, Kröll, T., additional, Laurent, B., additional, Lecesne, N., additional, Lutter, R., additional, Pakarinen, J., additional, Peura, P., additional, Piselli, E., additional, Próchniak, L., additional, Rahkila, P., additional, Rapisarda, E., additional, Reiter, P., additional, Scheck, M., additional, Seidlitz, M., additional, Sferrazza, M., additional, Siebeck, B., additional, Sjodin, M., additional, Tornqvist, H., additional, Traykov, E., additional, Van De Walle, J., additional, Van Duppen, P., additional, Vermeulen, M., additional, Voulot, D., additional, Warr, N., additional, Wenander, F., additional, Wimmer, K., additional, and Zielińska, M., additional

Published
2015
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19. NJOY+NCrystal: An open-source tool for creating thermal neutron scattering libraries with mixed elastic support

Author

Kemal Ramić, Jose Ignacio Marquez Damian, Thomas Kittelmann, Douglas D. Di Julio, Davide Campi, Marco Bernasconi, Giuseppe Gorini, Valentina Santoro, Ramic, K, Marquez Damian, J, Kittelmann, T, Di Julio, D, Campi, D, Bernasconi, M, Gorini, G, and Santoro, V

Subjects
Nuclear and High Energy Physics, Incoherent elastic, Mixed elastic, 02 engineering and technology, 021001 nanoscience & nanotechnology, Coherent elastic, 01 natural sciences, Total cross section, ENDF, nuclear data, 0103 physical sciences, 010306 general physics, 0210 nano-technology, Instrumentation, Thermal neutron scattering librarie, FIS/03 - FISICA DELLA MATERIA
Abstract

In this work we present NJOY+NCrystal, a tool to generate thermal neutron scattering libraries with support for coherent and incoherent elastic components for crystalline solid materials. This tool, which is a customized version of NJOY, was created by modifying the nuclear data processing program NJOY to call the thermal scattering software library NCrystal, and includes a proposed change in the ENDF-6 format to store both the coherent and incoherent elastic components. Necessary changes to enable this format in NJOY, as well as to sample it in the OpenMC Monte Carlo code, are detailed here. Examples of materials that are coherent–dominant, incoherent–dominant, and mixed elastic scatterers are presented, as well as the creation of novel libraries for MgH2 and MgD2, that are under consideration as advanced neutron reflectors in the HighNESS project at the European Spallation Source. NJOY+NCrystal greatly simplifies the process to generate thermal scattering libraries (TSL) and this is exemplified with 213 new and updated TSL evaluations.

Published
2022

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