First results on the scalar WIMP-pion coupling, using the XENON1T experiment

Aprile, E.; Aalbers, J.; Agostini, F.; Alfonsi, M.; Althueser, L.; Amaro, F. D.; Anthony, M.; Antochi, V. C.; Arneodo, F.; Baudis, L.; Bauermeister, B.; Benabderrahmane, M. L.; Berger, T.; Breur, P. A.; Brown, A.; Brown, A.; Brown, E.; Bruenner, S.; Bruno, G.; Budnik, R.; Capelli, C.; Cardoso, J. M. R.; Cichon, Dominick; Coderre, D.; Colijn, A. P.; Conrad, J.; Cussonneau, J. P.; Decowski, M. P.; de Perio, P.; Di Gangi, P.; Di Giovanni, A.; Diglio, S.; Elykov, A.; Eurin, G.; Fei, J.; Ferella, A. D.; Fieguth, A.; Fulgione, W.; Rosso, A. Gallo; Galloway, M.; Gao, F.; Garbini, M.; Grandi, L.; Greene, Z.; Hasterok, C.; Hogenbirk, E.; Howlett, J.; Iacovacci, M.; Itay, R.; Joerg, F.; Kaminsky, B.; Kazama, S.; Kish, A.; Koltman, G.; Kopec, A.; Landsman, H.; Lang, R. F.; Levinson, L.; Lin, Q.; Lindemann, S.; Lindner, M.; Lombardi, F.; Lopes, J. A. M.; Fune, E. López; Macolino, C.; Mahlstedt, J.; Manfredini, A.; Marignetti, F.; Marrodán Undagoitia, Teresa; Masbou, J.; Masson, D.; Mastroianni, S.; Messina, M.; Micheneau, K.; Miller, K.; Molinario, A.; Morå, K.; Murra, M.; Naganoma, J.; Ni, K.; Oberlack, U.; Odgers, K.; Pelssers, B.; Piastra, F.; Pienaar, J.; Pizzella, V.; Plante, G.; Podviianiuk, R.; Priel, N.; Qiu, H.; García, D. Ramírez; Reichard, S.; Riedel, B.; Rizzo, A.; Rocchetti, A.; Rupp, Natascha; Santos, J. M. F. dos; Sartorelli, G.; Šarčević, N.; Scheibelhut, M.; Schindler, S.; Schreiner, J.; Schulte, D.; Schumann, M.; Lavina, L. Scotto; Selvi, M.; Shagin, P.; Shockley, E.; Silva, M.; Simgen, H.; Therreau, C.; Thers, D.; Toschi, F.; Trinchero, G.; Tunnell, C.; Upole, N.; Vargas, M.; Wack , O.; Wang, H.; Wang, Z.; Wei, Y.; Weinheimer, C.; Wittweg, C.; Wulf, J.; Ye, J.; Zhang, Y.; Zhu, T.; Zopounidis, J. P.; Hoferichter, M.; Klos, P.; Menéndez, J.; Schwenk, A.

doi:10.1103/PhysRevLett.122.071301

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First results on the scalar WIMP-pion coupling, using the XENON1T experiment

MPS-Authors

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Bruenner, S.
Division Prof. Dr. Manfred Lindner, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons101514

Cichon, Dominick
Division Prof. Dr. Manfred Lindner, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons185141

Eurin, G.
Division Prof. Dr. Manfred Lindner, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons127658

Hasterok, C.
Division Prof. Dr. Manfred Lindner, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons200202

Joerg, F.
Division Prof. Dr. Manfred Lindner, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons30768

Lindner, M.
Division Prof. Dr. Manfred Lindner, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons73111

Marrodán Undagoitia, Teresa
Division Prof. Dr. Manfred Lindner, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons145251

Pizzella, V.
Division Prof. Dr. Manfred Lindner, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons37637

Rupp, Natascha
Division Prof. Dr. Manfred Lindner, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons31012

Schreiner, J.
Division Prof. Dr. Manfred Lindner, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons31050

Simgen, H.
Division Prof. Dr. Manfred Lindner, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons188944

Schwenk, A.
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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https://journals.aps.org/prl/pdf/10.1103/PhysRevLett.122.071301
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Citation

Aprile, E., Aalbers, J., Agostini, F., Alfonsi, M., Althueser, L., Amaro, F. D., et al. (2019). First results on the scalar WIMP-pion coupling, using the XENON1T experiment. Physical Review Letters, 122(7): 071301. doi:10.1103/PhysRevLett.122.071301.

Cite as: https://hdl.handle.net/21.11116/0000-0004-F22B-B

Abstract

We present first results on the scalar WIMP-pion coupling from 1 t$\times$yr
of exposure with the XENON1T experiment. This interaction is generated when the
WIMP couples to a virtual pion exchanged between the nucleons in a nucleus. In
contrast to most non-relativistic operators, these pion-exchange currents can
be coherently enhanced by the total number of nucleons, and therefore may
dominate in scenarios where spin-independent WIMP-nucleon interactions are
suppressed. Moreover, for natural values of the couplings, they dominate over
the spin-dependent channel due to their coherence in the nucleus. Using the
signal model of this new WIMP-pion channel, no significant excess is found,
leading to an upper limit cross section of $6.4\times10^{-46}$ cm$^2$ (90 %
confidence level) at 30 GeV/c$^2$ WIMP mass.