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, D.; 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.; Gallo Rosso, A.; 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.; Lopez Fune, E.; Macolino, C.; Mahlstedt, J.; Manfredini, A.; Marignetti, F.; Marrodan Undagoitia, T.; Masbou, J.; Masson, D.; Mastroianni, S.; Messina, M.; Micheneau, K.; Miller, K.; Molinario, A.; Mora, 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.; Ramirez Garcia, D.; Reichard, S.; Riedel, B.; Rizzo, A.; Rocchetti, A.; Rupp, N.; Dos Santos, J. M. F.; Sartorelli, G.; Sarcevic, N.; Scheibelhut, M.; Schindler, S.; Schreiner, J.; Schulte, D.; Schumann, M.; Scotto Lavina, L.; 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.; Wenz, D.; Wittweg, C.; Wulf, J.; Ye, J.; Zhang, Y.; Zhu, T.; Zopounidis, J. P.; Hoferichter, M.; Klos, P.; Menendez, J.; Schwenk, A.

doi:10.1103/PhysRevLett.122.071301

We present first results on the scalar coupling of weakly interacting massive particles (WIMPs) to pions from 1 t 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 nonrelativistic 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 6.4×10-46 cm2 (90% confidence level) at 30 GeV/c2 WIMP mass.

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), 071301-071308 [10.1103/PhysRevLett.122.071301].

First Results on the Scalar WIMP-Pion Coupling, Using the XENON1T Experiment

Aprile E.;Aalbers J.;Agostini F.^{Membro del Collaboration Group};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 D.;Coderre D.;Colijn A. P.;Conrad J.;Cussonneau J. P.;Decowski M. P.;De Perio P.;Di Gangi P.^{Membro del Collaboration Group};Di Giovanni A.;Diglio S.;Elykov A.;Eurin G.;Fei J.;Ferella A. D.;Fieguth A.;Fulgione W.;Gallo Rosso A.;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.;Lopez Fune E.;Macolino C.;Mahlstedt J.;Manfredini A.;Marignetti F.;Marrodan Undagoitia T.;Masbou J.;Masson D.;Mastroianni S.;Messina M.;Micheneau K.;Miller K.;Molinario A.;Mora 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.;Ramirez Garcia D.;Reichard S.;Riedel B.;Rizzo A.;Rocchetti A.;Rupp N.;Dos Santos J. M. F.;Sartorelli G.^{Funding Acquisition};Sarcevic N.;Scheibelhut M.;Schindler S.;Schreiner J.;Schulte D.;Schumann M.;Scotto Lavina L.;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.;Wenz D.;Wittweg C.;Wulf J.;Ye J.;Zhang Y.;Zhu T.;Zopounidis J. P.;Hoferichter M.;Klos P.;Menendez J.;Schwenk A.

2019

Abstract

We present first results on the scalar coupling of weakly interacting massive particles (WIMPs) to pions from 1 t 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 nonrelativistic 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 6.4×10-46 cm2 (90% confidence level) at 30 GeV/c2 WIMP mass.

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				2019
			
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				PHYSICAL REVIEW LETTERS
			
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				https://dx.doi.org/10.1103/PhysRevLett.122.071301
			
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				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), 071301-071308 [10.1103/PhysRevLett.122.071301].
			
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						Aprile E.; Aalbers J.; Agostini F.; Alfonsi M.; Althueser L.; Amaro F.D.; Anthony M.; Antochi V.C.; Arneodo F.; Baudis L.; Bauermeister B.; Benabderra...espandi
						
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11585/743726

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