On the generalized Friedrichs-Lee model with multiple discrete and continuous states -

[1]
K. O. Friedrichs, Commun. Pure Appl. Math.1, 361 (1948)
[2]
T. D. Lee, Phys. Rev.95, 1329 (1954)
[3]
E. T. Jaynes and F. W. Cummings, Proc. IEEE51, 89 (1963)
[4]
P. Facchi, H. Nakazato, and S. Pascazio, Phys. Rev. Lett.86, 2699 (2001)
[5]
Z. Xiao and Z. Y. Zhou, Phys. Rev. D94, 076006 (2016), arXiv: 1608.00468[hep-ph]
[6]
A. Bohm and M. Gadella,Dirac Kets, Gamow Vectors and Gel’fand Triplets, edited by A. Bohm and J. D. Dollard, Lecture Notes in Physics, Vol. 348 (Springer Berlin Heidelberg, 1989)
[7]
O. Civitarese and M. Gadella, Phys. Rep.396, 41 (2004)
[8]
T. Petrosky, I. Prigogine, and S. Tasaki, Physica A173, 175 (1991)
[9]
Z. Xiao and Z. Y. Zhou, J. Math. Phys.58, 062110 (2017), arXiv: 1608.06833[hep-ph]
[10]
Z. Xiao and Z. Y. Zhou, J. Math. Phys.58, 072102 (2017), arXiv: 1610.07460[hep-ph]
[11]
Z. Y. Zhou and Z. Xiao, Phys. Rev. D96, 054031 (2017) [Erratum: Phys. Rev. D96, 099905 (2017)], arXiv: 1704.04438 [hep-ph]
[12]
Z. Y. Zhou and Z. Xiao, Phys. Rev. D97, 034011 (2018), arXiv: 1711.01930[hep-ph]
[13]
Z. Y. Zhou and Z. Xiao, Eur. Phys. J. C81, 551 (2021), arXiv: 2008.08002[hep-ph]
[14]
Z. Y. Zhou and Z. Xiao, Eur. Phys. J. C80, 1191 (2020), arXiv: 2008.02684[hep-ph]
[15]
E. Eichten, K. Gottfried, T. Kinoshitaet al., Phys. Rev. D21, 203 (1980)
[16]
N. A. Tornqvist, Z. Phys. C68, 647 (1995), arXiv: hep-ph/9504372
[17]
Yu. S. Kalashnikova, Phys. Rev. D72, 034010 (2005), arXiv: hep-ph/0506270[hep-ph]
[18]
B. Q. Li, C. Meng, and K. T. Chao, Phys. Rev. D80, 014012 (2009), arXiv: 0904.4068[hep-ph]
[19]
P. G. Ortega, J. Segovia, D. R. Entemet al., Phys. Rev. D81, 054023 (2010), arXiv: 0907.3997[hep-ph]
[20]
X. Cao and H. Lenske, (2014), arXiv: 1410.1375[nucl-th]
[21]
F. Giacosa, Acta Phys. Polon. Supp.13, 83 (2020), arXiv: 1904.10368[hep-ph]
[22]
T. Wolkanowski, M. So ltysiak, and F. Giacosa, Nucl. Phys. B909, 418 (2016), arXiv: 1512.01071[hep-ph]
[23]
T. Wolkanowski, F. Giacosa, and D. H. Rischke, Phys. Rev. D93, 014002 (2016), arXiv: 1508.00372[hep-ph]
[24]
B. Wang, Z. W. Liu, and X. Liu, Phys. Rev. D99, 036007 (2019), arXiv: 1812.04457[hep-ph]
[25]
Z. Yang, G. J. Wang, J. J. Wuet al., Phys. Rev. Lett.128, 112001 (2022), arXiv: 2107.04860[hep-ph]
[26]
T. Sekihara, T. Hyodo, and D. Jido, PTEP2015, 063D (2015), arXiv: 1411.2308[hep-ph]
[27]
L. Micu, Nucl. Phys. B10, 521 (1969)
[28]
F. K. Guo, C. Hanhart, Y. S. Kalashnikovaet al., Phys. Rev. D93, 074031 (2016), arXiv: 1602.00940[hep-ph]
[29]
S. Weinberg, Phys. Rev.130, 776 (1963)
[30]
A. Sitenko,Lecture in Scattering Theory(Pergamon Press, 1971)
[31]
Z. Y. Zhou and Z. Xiao, Phys. Rev. D83, 014010 (2011), arXiv: 1007.2072[hep-ph]
[32]
E. van Beveren, D. Bugg, F. Kleefeldet al., Phys. Lett. B641, 265 (2006), arXiv: hep-ph/0606022
[33]
M. Albaladejo, P. Fernandez-Soler, F. K. Guoet al., Phys. Lett. B767, 465 (2017), arXiv: 1610.06727[hep-ph]
[34]
U. G. Meiner, Symmetry12, 981 (2020), arXiv: 2005.06909[hep-ph]
[35]
Z. Y. Zhou and Z. Xiao, Phys. Rev. D84, 034023 (2011), arXiv: 1105.6025[hep-ph]