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Title: Constraints on flavor-diagonal non-standard neutrino interactions from Borexino Phase-II

Abstract

The Borexino detector measures solar neutrino fluxes via neutrino-electron elastic scattering. Observed spectra are determined by the solar-$$\nu_{e}$$ survival probability $$P_{ee}(E)$$, and the chiral couplings of the neutrino and electron. Some theories of physics beyond the Standard Model postulate the existence of Non-Standard Interactions (NSI's) which modify the chiral couplings and $$P_{ee}(E)$$. In this paper, we search for such NSI's, in particularly neutral-current-like interactions that modify the $$\nu_e - e$$ and $$\nu_\tau - e$$ couplings, using Borexino Phase II data. Standard Solar Model predictions of the solar neutrino fluxes for both high- and low-metallicity assumptions are considered. No indication of new physics is found at the level of sensitivity of the detector and constraints on the parameters of the NSI's are placed. In addition, with the same dataset the value of $$\sin^2\theta_W$$ is obtained with a precision comparable to that achieved in reactor antineutrino experiments.

Authors:
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Publication Date:
Research Org.:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
Contributing Org.:
[The Borexino collaboration]
OSTI Identifier:
1513285
Report Number(s):
[FERMILAB-PUB-19-215-ND; arXiv:1905.03512; IP/BBSR/2019-2]
[Journal ID: ISSN 1029-8479; oai:inspirehep.net:1733988]
Grant/Contract Number:  
[AC02-07CH11359]
Resource Type:
Accepted Manuscript
Journal Name:
Journal of High Energy Physics (Online)
Additional Journal Information:
[Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2020; Journal Issue: 2]; Journal ID: ISSN 1029-8479
Publisher:
Springer Berlin
Country of Publication:
United States
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS; 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Solar Neutrino; Borexino; Neutrino Oscillation; Non-Standard Interaction

Citation Formats

Agarwalla, S. K., Agostini, M., Altenmüller, K., Appel, S., Atroshchenko, V., Bagdasarian, Z., Basilico, D., Bellini, G., Benziger, J., Bick, D., Bonfini, G., Bravo, D., Caccianiga, B., Calaprice, F., Caminata, A., Cappelli, L., Cavalcante, P., Cavanna, F., Chepurnov, A., Choi, K., D’Angelo, D., Davini, S., Derbin, A., Di Giacinto, A., Di Marcello, V., Ding, X. F., Di Ludovico, A., Di Noto, L., Drachnev, I., Fomenko, K., Formozov, A., Franco, D., Gabriele, F., Galbiati, C., Gschwender, M., Ghiano, C., Giammarchi, M., Goretti, A., Gromov, M., Guffanti, D., Hagner, C., Hungerford, E., Ianni, Aldo, Ianni, Andrea, Jany, A., Jeschke, D., Kumaran, S., Kobychev, V., Korga, G., Lachenmaier, T., Laubenstein, M., Litvinovich, E., Lombardi, P., Ludhova, L., Lukyanchenko, G., Lukyanchenko, L., Machulin, I., Manuzio, G., Marcocci, S., Maricic, J., Martyn, J., Meroni, E., Meyer, M., Miramonti, L., Misiaszek, M., Muratova, V., Neumair, B., Nieslony, M., Oberauer, L., Orekhov, V., Ortica, F., Pallavicini, M., Papp, L., Penek, Ö., Pietrofaccia, L., Pilipenko, N., Pocar, A., Raikov, G., Ranucci, G., Razeto, A., Re, A., Redchuk, M., Romani, A., Rossi, N., Rottenanger, S., Schönert, S., Semenov, D., Skorokhvatov, M., Smirnov, O., Sotnikov, A., Sun, C., Suvorov, Y., Takeuchi, T., Tartaglia, R., Testera, G., Thurn, J., Unzhakov, E., Vishneva, A., Vogelaar, R. B., von Feilitzsch, F., Wojcik, M., Wurm, M., Zaimidoroga, O., Zavatarelli, S., Zuber, K., and Zuzel, G. Constraints on flavor-diagonal non-standard neutrino interactions from Borexino Phase-II. United States: N. p., 2020. Web. doi:10.1007/JHEP02(2020)038.
Agarwalla, S. K., Agostini, M., Altenmüller, K., Appel, S., Atroshchenko, V., Bagdasarian, Z., Basilico, D., Bellini, G., Benziger, J., Bick, D., Bonfini, G., Bravo, D., Caccianiga, B., Calaprice, F., Caminata, A., Cappelli, L., Cavalcante, P., Cavanna, F., Chepurnov, A., Choi, K., D’Angelo, D., Davini, S., Derbin, A., Di Giacinto, A., Di Marcello, V., Ding, X. F., Di Ludovico, A., Di Noto, L., Drachnev, I., Fomenko, K., Formozov, A., Franco, D., Gabriele, F., Galbiati, C., Gschwender, M., Ghiano, C., Giammarchi, M., Goretti, A., Gromov, M., Guffanti, D., Hagner, C., Hungerford, E., Ianni, Aldo, Ianni, Andrea, Jany, A., Jeschke, D., Kumaran, S., Kobychev, V., Korga, G., Lachenmaier, T., Laubenstein, M., Litvinovich, E., Lombardi, P., Ludhova, L., Lukyanchenko, G., Lukyanchenko, L., Machulin, I., Manuzio, G., Marcocci, S., Maricic, J., Martyn, J., Meroni, E., Meyer, M., Miramonti, L., Misiaszek, M., Muratova, V., Neumair, B., Nieslony, M., Oberauer, L., Orekhov, V., Ortica, F., Pallavicini, M., Papp, L., Penek, Ö., Pietrofaccia, L., Pilipenko, N., Pocar, A., Raikov, G., Ranucci, G., Razeto, A., Re, A., Redchuk, M., Romani, A., Rossi, N., Rottenanger, S., Schönert, S., Semenov, D., Skorokhvatov, M., Smirnov, O., Sotnikov, A., Sun, C., Suvorov, Y., Takeuchi, T., Tartaglia, R., Testera, G., Thurn, J., Unzhakov, E., Vishneva, A., Vogelaar, R. B., von Feilitzsch, F., Wojcik, M., Wurm, M., Zaimidoroga, O., Zavatarelli, S., Zuber, K., & Zuzel, G. Constraints on flavor-diagonal non-standard neutrino interactions from Borexino Phase-II. United States. doi:10.1007/JHEP02(2020)038.
Agarwalla, S. K., Agostini, M., Altenmüller, K., Appel, S., Atroshchenko, V., Bagdasarian, Z., Basilico, D., Bellini, G., Benziger, J., Bick, D., Bonfini, G., Bravo, D., Caccianiga, B., Calaprice, F., Caminata, A., Cappelli, L., Cavalcante, P., Cavanna, F., Chepurnov, A., Choi, K., D’Angelo, D., Davini, S., Derbin, A., Di Giacinto, A., Di Marcello, V., Ding, X. F., Di Ludovico, A., Di Noto, L., Drachnev, I., Fomenko, K., Formozov, A., Franco, D., Gabriele, F., Galbiati, C., Gschwender, M., Ghiano, C., Giammarchi, M., Goretti, A., Gromov, M., Guffanti, D., Hagner, C., Hungerford, E., Ianni, Aldo, Ianni, Andrea, Jany, A., Jeschke, D., Kumaran, S., Kobychev, V., Korga, G., Lachenmaier, T., Laubenstein, M., Litvinovich, E., Lombardi, P., Ludhova, L., Lukyanchenko, G., Lukyanchenko, L., Machulin, I., Manuzio, G., Marcocci, S., Maricic, J., Martyn, J., Meroni, E., Meyer, M., Miramonti, L., Misiaszek, M., Muratova, V., Neumair, B., Nieslony, M., Oberauer, L., Orekhov, V., Ortica, F., Pallavicini, M., Papp, L., Penek, Ö., Pietrofaccia, L., Pilipenko, N., Pocar, A., Raikov, G., Ranucci, G., Razeto, A., Re, A., Redchuk, M., Romani, A., Rossi, N., Rottenanger, S., Schönert, S., Semenov, D., Skorokhvatov, M., Smirnov, O., Sotnikov, A., Sun, C., Suvorov, Y., Takeuchi, T., Tartaglia, R., Testera, G., Thurn, J., Unzhakov, E., Vishneva, A., Vogelaar, R. B., von Feilitzsch, F., Wojcik, M., Wurm, M., Zaimidoroga, O., Zavatarelli, S., Zuber, K., and Zuzel, G. Wed . "Constraints on flavor-diagonal non-standard neutrino interactions from Borexino Phase-II". United States. doi:10.1007/JHEP02(2020)038. https://www.osti.gov/servlets/purl/1513285.
@article{osti_1513285,
title = {Constraints on flavor-diagonal non-standard neutrino interactions from Borexino Phase-II},
author = {Agarwalla, S. K. and Agostini, M. and Altenmüller, K. and Appel, S. and Atroshchenko, V. and Bagdasarian, Z. and Basilico, D. and Bellini, G. and Benziger, J. and Bick, D. and Bonfini, G. and Bravo, D. and Caccianiga, B. and Calaprice, F. and Caminata, A. and Cappelli, L. and Cavalcante, P. and Cavanna, F. and Chepurnov, A. and Choi, K. and D’Angelo, D. and Davini, S. and Derbin, A. and Di Giacinto, A. and Di Marcello, V. and Ding, X. F. and Di Ludovico, A. and Di Noto, L. and Drachnev, I. and Fomenko, K. and Formozov, A. and Franco, D. and Gabriele, F. and Galbiati, C. and Gschwender, M. and Ghiano, C. and Giammarchi, M. and Goretti, A. and Gromov, M. and Guffanti, D. and Hagner, C. and Hungerford, E. and Ianni, Aldo and Ianni, Andrea and Jany, A. and Jeschke, D. and Kumaran, S. and Kobychev, V. and Korga, G. and Lachenmaier, T. and Laubenstein, M. and Litvinovich, E. and Lombardi, P. and Ludhova, L. and Lukyanchenko, G. and Lukyanchenko, L. and Machulin, I. and Manuzio, G. and Marcocci, S. and Maricic, J. and Martyn, J. and Meroni, E. and Meyer, M. and Miramonti, L. and Misiaszek, M. and Muratova, V. and Neumair, B. and Nieslony, M. and Oberauer, L. and Orekhov, V. and Ortica, F. and Pallavicini, M. and Papp, L. and Penek, Ö. and Pietrofaccia, L. and Pilipenko, N. and Pocar, A. and Raikov, G. and Ranucci, G. and Razeto, A. and Re, A. and Redchuk, M. and Romani, A. and Rossi, N. and Rottenanger, S. and Schönert, S. and Semenov, D. and Skorokhvatov, M. and Smirnov, O. and Sotnikov, A. and Sun, C. and Suvorov, Y. and Takeuchi, T. and Tartaglia, R. and Testera, G. and Thurn, J. and Unzhakov, E. and Vishneva, A. and Vogelaar, R. B. and von Feilitzsch, F. and Wojcik, M. and Wurm, M. and Zaimidoroga, O. and Zavatarelli, S. and Zuber, K. and Zuzel, G.},
abstractNote = {The Borexino detector measures solar neutrino fluxes via neutrino-electron elastic scattering. Observed spectra are determined by the solar-$\nu_{e}$ survival probability $P_{ee}(E)$, and the chiral couplings of the neutrino and electron. Some theories of physics beyond the Standard Model postulate the existence of Non-Standard Interactions (NSI's) which modify the chiral couplings and $P_{ee}(E)$. In this paper, we search for such NSI's, in particularly neutral-current-like interactions that modify the $\nu_e - e$ and $\nu_\tau - e$ couplings, using Borexino Phase II data. Standard Solar Model predictions of the solar neutrino fluxes for both high- and low-metallicity assumptions are considered. No indication of new physics is found at the level of sensitivity of the detector and constraints on the parameters of the NSI's are placed. In addition, with the same dataset the value of $\sin^2\theta_W$ is obtained with a precision comparable to that achieved in reactor antineutrino experiments.},
doi = {10.1007/JHEP02(2020)038},
journal = {Journal of High Energy Physics (Online)},
number = [2],
volume = [2020],
place = {United States},
year = {2020},
month = {2}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record

Figures / Tables:

Figure 1 Figure 1: Electron neutrino survival probability Pee(E) as a function of neutrino energy for LMA-MSW solution with uncertainties of oscillation parameters taken into account (pink band), and LMA-MSW + NSI solutions for ε′ = −0.5, 0.5, 1.0 and average values of oscillation parameters. Vacuum-LMA solution is also shown (grey band).more » To illustrate the capability of the detector to sense NSI’s at propagation, experimental points for Pee(E) shown for Borexino under the HZ-SSM assumption are also provided (Ref. [18]). 8B and pp data points are set at the mean energy of neutrinos that produce scattered electrons above the detection threshold. The error bars include experimental and theoretical uncertainties.« less

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    Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.