APS : Study of nonstandard interactions mediated by a scalar field at the ESSnuSB experiment

Aguilar, J.; Morales, E. Cristaldo; Brorsson, W.; Jenssen, M.; Wurtz, J.; Lindroos, M.; Maiano, C.; Geralis, Th.; Martins, C.; Kasimi, E.; Psallidas, A.; Mezzetto, M.; Stipčević, M.; Trachanas, E.; Stavropoulos, G.; Petkov, G.; Petridou, Ch.; Poussot, P.; Ekelöf, T.; Brunetti, G.; Bhattacharyya, A.K.; Milas, N.; Bolling, B.; Kliček, B.; Sordo, F.; Giarnetti, A.; Tzamarias, S.E.; Pupilli, F.; Branca, A.; Dracos, M.; Fasoula, E.; Tarkeshian, R.; Efthymiopoulos, I.; Halić, L.; Johansson, R.; Tolba, T.; Iversen, K.E.; Tsenov, R.; Olvegård, M.; Zou, Y.; Anastasopoulos, M.; Schwab, C.; Vihonen, S.; Eshraqi, M.; Hagner, C.; Ghosh, M.; Gazis, N.; Farricker, A.; Kayis Topaksu, A.; Kildetof, B.; Choubey, S.; Pari, M.; Bogomilov, M.; Muñoz, J.L.; Blennow, M.; Tsirigotis, A.; Fanourakis, G.; Saiang, D.; Terranova, F.; Marangoni, S.; Sampsonidis, D.; Collins, M.; Dancila, D.; Patrzalek, D.; Vassilopoulos, N.; Sosa, A.; Bramati, F.; Fukuda, T.; Cederkall, J.; Zeter, V.; Vankova-Kirilova, G.; Longhin, A.; Choi, T.W.; Bustinduy, I.; Raikwal, D.; Hariharan, V.T.; Leisos, A.; Meloni, D.; Ohlsson, T.; Baussan, E.; Bignami, A.; Gokbulut, G.; Kordas, K.; Christiansen, P.; Carlile, C.J.; Oglakci, M.; Zormpa, O.; Danared, H.; de André, J.P.A.M.; Bouquerel, E.; Marrelli, C.

doi:10.1103/PhysRevD.109.115010

Article
Report number	arXiv:2310.10749
Title	Study of nonstandard interactions mediated by a scalar field at the ESSnuSB experiment
Related title	Study of non-standard interaction mediated by a scalar field at ESSnuSB experiment
Author(s)	Aguilar, J. (ESS, Bilbao) ; Anastasopoulos, M. (ESS, Lund) ; Baussan, E. (Strasbourg, IPHC) ; Bhattacharyya, A.K. (ESS, Lund) ; Bignami, A. (ESS, Lund) ; Blennow, M. (Royal Inst. Tech., Stockholm ; Stockholm Observ.) ; Bogomilov, M. (Sofiya U.) ; Bolling, B. (ESS, Lund) ; Bouquerel, E. (Strasbourg, IPHC) ; Bramati, F. (INFN, Milan Bicocca) ; Branca, A. (INFN, Milan Bicocca) ; Brorsson, W. (Royal Inst. Tech., Stockholm ; Stockholm Observ.) ; Brunetti, G. (Milan Bicocca U.) ; Bustinduy, I. (ESS, Bilbao) ; Carlile, C.J. (Lund U.) ; Cederkall, J. (Lund U.) ; Choi, T.W. (Uppsala U.) ; Choubey, S. (Royal Inst. Tech., Stockholm ; Stockholm Observ.) ; Christiansen, P. (Lund U.) ; Collins, M. (ESS, Lund ; Lund U.) ; Morales, E. Cristaldo (INFN, Milan Bicocca) ; Danared, H. (ESS, Lund) ; Dancila, D. (Uppsala U.) ; de André, J.P.A.M. (Strasbourg, IPHC) ; Dracos, M. (Strasbourg, IPHC) ; Efthymiopoulos, I. (CERN) ; Ekelöf, T. (Uppsala U.) ; Eshraqi, M. (ESS, Lund) ; Fanourakis, G. (Democritos Nucl. Res. Ctr.) ; Farricker, A. (Cockcroft Inst. Accel. Sci. Tech.) ; Fasoula, E. (Aristotle U., Thessaloniki) ; Fukuda, T. (Nagoya U., IAR ; Nagoya U.) ; Gazis, N. (ESS, Lund) ; Geralis, Th. (Democritos Nucl. Res. Ctr.) ; Ghosh, M. (Boskovic Inst., Zagreb) ; Giarnetti, A. (Rome III U.) ; Gokbulut, G. (Cukurova U.) ; Hagner, C. (Hamburg U.) ; Halić, L. (Boskovic Inst., Zagreb) ; Hariharan, V.T. (Hamburg U.) ; Iversen, K.E. (Lund U.) ; Jenssen, M. (ESS, Lund) ; Johansson, R. (ESS, Lund) ; Kasimi, E. (Aristotle U., Thessaloniki) ; Kayis Topaksu, A. (Cukurova U.) ; Kildetof, B. (ESS, Lund) ; Kliček, B. (Boskovic Inst., Zagreb) ; Kordas, K. (Aristotle U., Thessaloniki) ; Leisos, A. (Aristotle U., Thessaloniki) ; Lindroos, M. (ESS, Lund ; Lund U.) ; Longhin, A. (Padua U. ; INFN, Padua) ; Maiano, C. (ESS, Lund) ; Marangoni, S. (INFN, Milan Bicocca) ; Marrelli, C. (ESS, Lund) ; Martins, C. (ESS, Lund) ; Meloni, D. (Rome III U.) ; Mezzetto, M. (INFN, Padua) ; Milas, N. (ESS, Lund) ; Muñoz, J.L. (ESS, Bilbao) ; Oglakci, M. (Cukurova U.) ; Ohlsson, T. (Royal Inst. Tech., Stockholm ; Stockholm Observ.) ; Olvegård, M. (Uppsala U.) ; Pari, M. (Padua U. ; INFN, Padua) ; Patrzalek, D. (ESS, Lund) ; Petkov, G. (Sofiya U.) ; Petridou, Ch. (Aristotle U., Thessaloniki) ; Poussot, P. (Strasbourg, IPHC) ; Psallidas, A. (Democritos Nucl. Res. Ctr.) ; Pupilli, F. (INFN, Padua) ; Raikwal, D. (Harish-Chandra Res. Inst. ; HBNI, Mumbai) ; Saiang, D. (Lulea U.) ; Sampsonidis, D. (Aristotle U., Thessaloniki) ; Schwab, C. (Strasbourg, IPHC) ; Sordo, F. (ESS, Bilbao) ; Sosa, A. (ESS, Lund) ; Stavropoulos, G. (Democritos Nucl. Res. Ctr.) ; Stipčević, M. (Boskovic Inst., Zagreb) ; Tarkeshian, R. (ESS, Lund) ; Terranova, F. (INFN, Milan Bicocca) ; Tolba, T. (Hamburg U.) ; Trachanas, E. (ESS, Lund) ; Tsenov, R. (Sofiya U.) ; Tsirigotis, A. (Aristotle U., Thessaloniki) ; Tzamarias, S.E. (Aristotle U., Thessaloniki) ; Vankova-Kirilova, G. (Sofiya U.) ; Vassilopoulos, N. (Beijing, Inst. High Energy Phys.) ; Vihonen, S. (Royal Inst. Tech., Stockholm ; Stockholm Observ.) ; Wurtz, J. (Strasbourg, IPHC) ; Zeter, V. (Strasbourg, IPHC) ; Zormpa, O. (Democritos Nucl. Res. Ctr.) ; Zou, Y. (Uppsala U.)
Publication	2024-06-01
Imprint	2023-10-16
Number of pages	12
In:	Phys. Rev. D 109 (2024) 115010
DOI	10.1103/PhysRevD.109.115010 (publication)
Subject category	hep-ph ; Particle Physics - Phenomenology ; hep-ex ; Particle Physics - Experiment
Accelerator/Facility, Experiment	ESSnuSB
Abstract	In this paper we study non-standard interactions mediated by a scalar field (SNSI) in the context of ESSnuSB experiment. In particular we study the capability of ESSnuSB to put bounds on the SNSI parameters and also study the impact of SNSI in the measurement of the leptonic CP phase $\delta_{\rm CP}$. Existence of SNSI modifies the neutrino mass matrix and this modification can be expressed in terms of three diagonal real parameters ($\eta_{ee}$, $\eta_{\mu\mu}$ and $\eta_{\tau\tau}$) and three off-diagonal complex parameters ($\eta_{e \mu}$, $\eta_{e\tau}$ and $\eta_{\mu\tau}$). Our study shows that the upper bounds on the parameters $\eta_{\mu\mu}$, $\eta_{\tau\tau}$ and $\eta_{\mu\tau}$ depend upon how $\Delta m^2_{31}$ is minimized in the theory. However, this is not the case when one tries to measure the impact of SNSI on $\delta_{\rm CP}$. Further, we show that the CP sensitivity of ESSnuSB can be completely lost for certain values of $\eta_{ee}$ and $\eta_{\mu\tau}$ for which the appearance channel probability becomes independent of $\delta_{\rm CP}$.
Copyright/License	preprint: (License: arXiv nonexclusive-distrib 1.0) publication: © 2024-2025 authors (License: CC BY 4.0), sponsored by SCOAP³

$2-D contours in the $\eta$ (test) - $\Delta m^2_{31}$ (test) plane. In these panels $1 \sigma$ ($90\%$ C.L.) contours corresponds to $\chi^2 = 2.30~(4.61)$. See text for details.$ $2-D contours in the $\eta$ (test) - $\Delta m^2_{31}$ (test) plane. In these panels $1 \sigma$ ($3 \sigma$) contours corresponds to $\chi^2 = 2.30~(11.83)$. See text for details.$ $2-D contours in the $\eta$ (test) - $\Delta m^2_{31}$ (test) plane. In these panels $1 \sigma$ ($90\%$ C.L.) contours corresponds to $\chi^2 = 2.30~(4.61)$. See text for details.$ Show more plots

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