- 
								[1]
								Y. Fukuda et al., Phys. Rev. Lett. 81, 1562 (1998) 
- 
								[2]
								Q. R. Ahmad et al., Phys. Rev. Lett. 87, 071301 (2001) 
- 
								[3]
								M. H. Ahn et al., Phys. Rev. Lett. 90, 041801 (2003) 
- 
								[4]
								P. Minkowski, Phys. Lett. B 67, 421 (1977) 
- 
								[5]
								T. Yanagida, Conf. Proc. C 7902131, 95 (1979) 
- 
								[6]
								M. Gell-Mann, P. Ramond, and R. Slansky, Conf. Proc. C 790927, 315 (1979) 
- 
								[7]
								S. L. Glashow, NATO Sci. Ser. B 61, 687 (1980) 
- 
								[8]
								R. N. Mohapatra and G. Senjanovic, Phys. Rev. Lett. 44, 912 (1980) 
- 
								[9]
								T. Asaka and M. Shaposhnikov, Phys. Lett. B 620, 17 (2005) 
- 
								[10]
								M. Shaposhnikov, JHEP 08, 008 (2008) 
- 
								[11]
								J. Schechter and J. W. F. Valle, Phys. Rev. D 25, 2951 (1982) 
- 
								[12]
								M. Agostini et al., Phys. Rev. Lett. 125, 252502 (2020) 
- 
								[13]
								S. Abe et al., Phys. Rev. Lett. 130, 051801 (2023) 
- 
								[14]
								N. Abgrall et al., AIP Conf. Proc. 1894, 020027 (2017) 
- 
								[15]
								J. B. Albert et al., Phys. Rev. C 97, 065503 (2018) 
- 
								[16]
								V. Cirigliano, W. Dekens, J. de Vries et al., JHEP 12, 082 (2017) 
- 
								[17]
								V. Cirigliano, W. Dekens, J. de Vries et al., JHEP 12, 097 (2018) 
- 
								[18]
								J. M. Yao, B. Bally, J. Engel et al., Phys. Rev. Lett. 124, 232501 (2020) 
- 
								[19]
								A. Belley, C. G. Payne, S. R. Stroberg et al., Phys. Rev. Lett. 126, 042502 (2021) 
- 
								[20]
								S. Novario, P. Gysbers, J. Engel et al., Phys. Rev. Lett. 126, 182502 (2021) 
- 
								[21]
								A. Belley, J. M. Yao, B. Bally et al., Phys. Rev. Lett. 132, 182502 (2024) 
- 
								[22]
								M. Agostini, G. Benato, J. A. Detwiler et al., Rev. Mod. Phys. 95, 025002 (2023) 
- 
								[23]
								Y. Liao, X. D. Ma, and H. L. Wang, JHEP 01, 127 (2020) 
- 
								[24]
								Y. Liao, X. D. Ma, and H. L. Wang, JHEP 03, 120 (2020) 
- 
								[25]
								G. H. Zhou, JHEP 06, 127 (2022) 
- 
								[26]
								A. Faessler, S. Kovalenko, F. Simkovic et al., Phys. Rev. Lett. 78, 183 (1997) 
- 
								[27]
								X. Feng, L. C. Jin, X. Y. Tuo et al., Phys. Rev. Lett. 122, 022001 (2019) 
- 
								[28]
								X. Y. Tuo, X. Feng, and L. C. Jin, Phys. Rev. D 100, 094511 (2019) 
- 
								[29]
								A. Nicholson, E. Berkowitz, H. Monge-Camacho et al., Phys. Rev. Lett. 121, 172501 (2018) 
- 
								[30]
								A. Faessler, M. Gonzxalez, S. Kovalenko et al., Phys. Rev. D 90, 096010 (2014) 
- 
								[31]
								W. Dekens, J. de Vries, K. Fuyuto et al., JHEP 06, 097 (2020) 
- 
								[32]
								D. L. Fang, Y. F. Li, and Y. Y. Zhang, Phys. Lett. B 833, 137346 (2022) 
- 
								[33]
								W. Dekens, J. de Vries, E. Mereghetti et al., Phys. Rev. C 108, 045501 (2023) 
- 
								[34]
								D. L. Fang, Y. F. Li, Y. Y. Zhang et al., JHEP 08, 217 (2024) 
- 
								[35]
								W. Dekens, J. de Vries, D. Castillo et al., JHEP 09, 201 (2024) 
- 
								[36]
								V. Cirigliano, W. Dekens, E. Mereghetti et al., Phys. Rev. C 97, 065501 (2018) [Erratum: Phys. Rev. C 100, 019903 (2019)] 
- 
								[37]
								B. Pontecorvo, Zh. Eksp. Teor. Fiz. 34, 247 (1957) 
- 
								[38]
								Z. Maki, M. Nakagawa, and S. Sakata, Prog. Theor. Phys. 28, 870 (1962) 
- 
								[39]
								M. Doi, T. Kotani, and E. Takasugi, Prog. Theor. Phys. Suppl. 83, 1 (1985) 
- 
								[40]
								M. Lindner, A. Merle, and V. Niro, JCAP 01, 034 (2011) [Erratum: JCAP 07, E01 (2014)] 
- 
								[41]
								X. Y. Tuo, X. Feng, and L. C. Jin, Phys. Rev. D 106, 074510 (2022) 
- 
								[42]
								J. Barea, J. Kotila, and F. Iachello, Phys. Rev. D 92, 093001 (2015) 
- 
								[43]
								T. Asaka, S. Eijima, and H. Ishida, Phys. Lett. B 762, 371 (2016) 
- 
								[44]
								A. Babič, S. Kovalenko, M. I. Krivoruchenko et al., Phys. Rev. D 98, 015003 (2018) 
- 
								[45]
								T. Asaka, H. Ishida, and K. Tanaka, Phys. Rev. D 103, 015014 (2021) 
- 
								[46]
								T. Mehen and I. W. Stewart, Phys. Rev. C 59, 2365 (1999)