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1. The ESSnuSB Design Study: Overview and Future Prospects

Author

A. Alekou, E. Baussan, A. K. Bhattacharyya, N. Blaskovic Kraljevic, M. Blennow, M. Bogomilov, B. Bolling, E. Bouquerel, F. Bramati, A. Branca, O. Buchan, A. Burgman, C. J. Carlile, J. Cederkall, S. Choubey, P. Christiansen, M. Collins, E. Cristaldo Morales, L. D’Alessi, H. Danared, D. Dancila, J. P. A. M. de André, J. P. Delahaye, M. Dracos, I. Efthymiopoulos, T. Ekelöf, M. Eshraqi, G. Fanourakis, A. Farricker, E. Fernandez-Martinez, B. Folsom, T. Fukuda, N. Gazis, B. Gålnander, Th. Geralis, M. Ghosh, A. Giarnetti, G. Gokbulut, L. Halić, M. Jenssen, R. Johansson, A. Kayis Topaksu, B. Kildetoft, B. Kliček, M. Kozioł, K. Krhač, Ł. Łacny, M. Lindroos, A. Longhin, C. Maiano, S. Marangoni, C. Marrelli, C. Martins, D. Meloni, M. Mezzetto, N. Milas, M. Oglakci, T. Ohlsson, M. Olvegård, T. Ota, M. Pari, J. Park, D. Patrzalek, G. Petkov, P. Poussot, F. Pupilli, S. Rosauro-Alcaraz, D. Saiang, J. Snamina, A. Sosa, G. Stavropoulos, M. Stipčević, B. Szybiński, R. Tarkeshian, F. Terranova, J. Thomas, T. Tolba, E. Trachanas, R. Tsenov, G. Vankova-Kirilova, N. Vassilopoulos, E. Wildner, J. Wurtz, O. Zormpa, and Y. Zou

Subjects
neutrino, oscillation, long baseline, CP violation, second maximum, precision, Elementary particle physics, QC793-793.5
Abstract

ESSnuSB is a design study for an experiment to measure the CP violation in the leptonic sector at the second neutrino oscillation maximum using a neutrino beam driven by the uniquely powerful ESS linear accelerator. The reduced impact of systematic errors on sensitivity at the second maximum allows for a very precise measurement of the CP violating parameter. This review describes the fundamental advantages of measurement at the second maximum, the necessary upgrades to the ESS linac in order to produce a neutrino beam, the near and far detector complexes, and the expected physics reach of the proposed ESSnuSB experiment, concluding with the near future developments aimed at the project realization.

Published
2023
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2. The European Spallation Source neutrino super-beam conceptual design report

Author

A. Alekou, E. Baussan, A. K. Bhattacharyya, N. Blaskovic Kraljevic, M. Blennow, M. Bogomilov, B. Bolling, E. Bouquerel, O. Buchan, A. Burgman, C. J. Carlile, J. Cederkall, P. Christiansen, M. Collins, E. Cristaldo Morales, P. Cupiał, L. D’Alessi, H. Danared, D. Dancila, J. P. A. M. de André, J. P. Delahaye, M. Dracos, I. Efthymiopoulos, T. Ekelöf, M. Eshraqi, G. Fanourakis, A. Farricker, E. Fernandez-Martinez, B. Folsom, T. Fukuda, N. Gazis, B. Gålnander, Th. Geralis, M. Ghosh, G. Gokbulut, L. Halić, M. Jenssen, A. Kayis Topaksu, B. Kildetoft, B. Kliček, M. Kozioł, K. Krhač, Ł. Łacny, M. Lindroos, C. Maiano, C. Marrelli, C. Martins, M. Mezzetto, N. Milas, M. Oglakci, T. Ohlsson, M. Olvegård, T. Ota, J. Park, D. Patrzalek, G. Petkov, P. Poussot, R. Johansson, S. Rosauro-Alcaraz, D. Saiang, B. Szybiński, J. Snamina, A. G. Sosa, G. Stavropoulos, M. Stipčević, R. Tarkeshian, F. Terranova, J. Thomas, T. Tolba, E. Trachanas, R. Tsenov, G. Vankova-Kirilova, N. Vassilopoulos, E. Wildner, J. Wurtz, O. Zormpa, Y. Zou, Alekou, A, Baussan, E, Bhattacharyya, A, Kraljevic, N, Blennow, M, Bogomilov, M, Bolling, B, Bouquerel, E, Buchan, O, Burgman, A, Carlile, C, Cederkall, J, Christiansen, P, Collins, M, Cristaldo Morales, E, Cupial, P, D'Alessi, L, Danared, H, Dancila, D, de Andre, J, Delahaye, J, Dracos, M, Efthymiopoulos, I, Ekelof, T, Eshraqi, M, Fanourakis, G, Farricker, A, Fernandez-Martinez, E, Folsom, B, Fukuda, T, Gazis, N, Galnander, B, Geralis, T, Ghosh, M, Gokbulut, G, Halic, L, Jenssen, M, Topaksu, A, Kildetoft, B, Klicek, B, Koziol, M, Krhac, K, Lacny, L, Lindroos, M, Maiano, C, Marrelli, C, Martins, C, Mezzetto, M, Milas, N, Oglakci, M, Ohlsson, T, Olvegard, M, Ota, T, Park, J, Patrzalek, D, Petkov, G, Poussot, P, Johansson, R, Rosauro-Alcaraz, S, Saiang, D, Szybinski, B, Snamina, J, Sosa, A, Stavropoulos, G, Stipcevic, M, Tarkeshian, R, Terranova, F, Thomas, J, Tolba, T, Trachanas, E, Tsenov, R, Vankova-Kirilova, G, Vassilopoulos, N, Wildner, E, Wurtz, J, Zormpa, O, and Zou, Y

Subjects
Accelerator Physics (physics.acc-ph), Physics::Instrumentation and Detectors, FOS: Physical sciences, General Physics and Astronomy, Accelerator Physics and Instrumentation, High Energy Physics - Experiment, Subatomär fysik, High Energy Physics - Experiment (hep-ex), neutrino, High Energy Physics - Phenomenology (hep-ph), Subatomic Physics, General Materials Science, Physical and Theoretical Chemistry, physics.acc-ph, Particle Physics - Phenomenology, hep-ex, Physics, Acceleratorfysik och instrumentering, hep-ph, Accelerators and Storage Rings, High Energy Physics - Phenomenology, Physics::Accelerator Physics, High Energy Physics::Experiment, Physics - Accelerator Physics, essnusb, cp violation, cdr, Particle Physics - Experiment
Abstract

This conceptual design report provides a detailed account of the European Spallation Source neutrino Super Beam (ESS$\nu$SB) feasibility study. This facility has been proposed after the measurements reported in 2012 of a relatively large value of the neutrino mixing angle $\theta_{13}$, which raised the possibility of observing potential CP violation in the leptonic sector with conventional neutrino beams. The measured value of $\theta_{13}$ also privileges the $2^{nd}$ oscillation maximum for the discovery of CP violation instead of the more typically studied $1^{st}$ maximum. The sensitivity at this $2^{nd}$ oscillation maximum is about three times higher than at the $1^{st}$ one, which implies a reduced influence of systematic errors. Working at the $2^{nd}$ oscillation maximum requires a very intense neutrino beam with an appropriate energy. The world's most intense pulsed spallation neutron source, the European Spallation Source (ESS), will have a proton linac operating at 5\,MW power, 2\,GeV kinetic energy and 14~Hz repetition rate (3~ms pulse duration, 4\% duty cycle) for neutron production. In this design study it is proposed to double the repetition rate and compress the beam pulses to the level of microseconds in order to provide an additional 5~MW proton beam for neutrino production. The physics performance has been evaluated for such a neutrino super beam, in conjunction with a megaton-scale underground water Cherenkov neutrino detector installed at a distance of 360--550\,km from ESS. The ESS proton linac upgrades, the accumulator ring required for proton-pulse compression, the target station design and optimisation, the near and far detector complexes, and the physics potential of the facility are all described in this report. The ESS linac will be operational by 2025, at which point the implementation of upgrades for the neutrino facility could begin., Comment: 216 pages

Published
2022

3. Correction: The European Spallation Source neutrino super-beam conceptual design report

Author

A. Alekou, E. Baussan, A. K. Bhattacharyya, N. Blaskovic Kraljevic, M. Blennow, M. Bogomilov, B. Bolling, E. Bouquerel, O. Buchan, A. Burgman, C. J. Carlile, J. Cederkall, P. Christiansen, M. Collins, E. Cristaldo Morales, P. Cupiał, L. D’Alessi, H. Danared, D. Dancila, J. P. A. M. de André, J. P. Delahaye, M. Dracos, I. Efthymiopoulos, T. Ekelöf, M. Eshraqi, G. Fanourakis, A. Farricker, E. Fernandez-Martinez, B. Folsom, T. Fukuda, N. Gazis, B. Gålnander, Th. Geralis, M. Ghosh, G. Gokbulut, L. Halić, M. Jenssen, A. Kayis Topaksu, B. Kildetoft, B. Kliček, M. Kozioł, K. Krhač, Ł. Łacny, M. Lindroos, C. Maiano, C. Marrelli, C. Martins, M. Mezzetto, N. Milas, M. Oglakci, T. Ohlsson, M. Olvegård, T. Ota, J. Park, D. Patrzalek, G. Petkov, P. Poussot, R. Johansson, S. Rosauro-Alcaraz, D. Saiang, B. Szybiński, J. Snamina, A. G. Sosa, G. Stavropoulos, M. Stipčević, R. Tarkeshian, F. Terranova, J. Thomas, T. Tolba, E. Trachanas, R. Tsenov, G. Vankova-Kirilova, N. Vassilopoulos, E. Wildner, J. Wurtz, O. Zormpa, and Y. Zou

Subjects
General Physics and Astronomy, General Materials Science, Physical and Theoretical Chemistry
Published
2022

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