Neutrino Physics at ESS and the upgrades needed for the ESSnuSB
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Pre-published on:
March 22, 2017
Published on:
June 20, 2017
Abstract
The European Spallation Source (ESS) in Lund, Sweden, will provide, by 2023, the world's most powerful neutron source. The 2 GeV ESS linac will provide 5 MW protons. The total power of the linac can be raised to 10 MW by increasing its pulse frequency, thus making possible the production of, in addition, a very intense, 0.4 GeV neutrino Super Beam, ESSnuSB. Search for leptonic CP violation at the second oscillation maximum, where the sensitivity is about 3 times higher than at the first, would be possible at 5 sigma significance level in 56 % (65 % with an upgrade to 2.5 GeV beam energy) of the leptonic CP-violating phase range after 10 years of data taking. 5 % systematic error in the neutrino flux and 10 % in the neutrino cross section are assumed. The outstanding physics reach possible with ESSnuSB and the upgrade of the ESS accelerator complex needed for ESSnuSB will be discussed in the paper.
DOI: https://doi.org/10.22323/1.283.0037
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Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.