1. Ehrlich, R., “Implications for the Cosmic Ray Spectrum of a Negative Electron Neutrino Mass2, Physical Review D, 60, 17302 (1999) [July 1,1999], https://arxiv.org/pdf/astro-ph/9807324.pdf
2. Ehrlich, R., “Is There a 4.5 PeV Neutron Line in the Cosmic Ray Spectrum?,” Physical Review D, 60, 73005 (1999), https://arxiv.org/pdf/astro-ph/9904290.pdf
3. Ehrlich, R., “Neutrino Mass Inferred from the Cosmic Ray Spectrum and Tritium Beta Decay, Phys. Lett. B, 493 (2000) 229-232, https://arxiv.org/pdf/hep-ph/0009040.pdf
4. Ehrlich, R., “Faster-than-light speeds, tachyons, and the possibility of tachyonic neutrinos,” Am. J. Phys., 71 (11) 1109-14 (2003), https://doi.org/10.1119/1.1590657
5. Ehrlich, R., “Evidence for two neutrino mass eigenstates from SN 1987A and the possibility of superluminal neutrinos,” Astroparticle Physics 35 (2012), pp. 625-628 http://arxiv.org/abs/1111.0502
6. Ehrlich, R. “Tachyonic neutrinos and the neutrino masses,” Astropart. Phys., 41 (2013) 1–6, http://arxiv.org/pdf/1204.0484.pdf
7. Chan, M .H. and Ehrlich, R., “Sterile neutrino fits to dark matter mass profiles in the Milky Way and in galaxy clusters,” Astrophysics and Space Science, 349, (1), 407- 413, (2014), http://arxiv.org/abs/1301.6640
8. Ehrlich, R. Search for cosmic ray sources of neutral hadrons yielding a peak just above the knee, and possible evidence for a $5.86 PeV$ enhancement, http://arxiv.org/abs/1307.3944
9. Ehrlich, R. “Could a reported 2007 analysis of Super-Kamiokande data have missed a detectable supernova signal from Andromeda?,” ISRN High Energy Physics, vol. 2014, Article ID 408508, 4 pages, 2014. doi:10.1155/2014/408508. Also: http://arxiv.org/abs/1301.3390
10. Ehrlich, R., “Six observations consistent with the electron neutrino being a tachyon with mass: m2 = – 0.11+0.02 eV2 ,” Astropart. Phys. 66, 11 (2015), http://arxiv.org/pdf/1408.2804v9.pdf
11. Jentschura, U. and Ehrlich, R., Lepton-pair _Cerenkov radiation emitted by tachyonic neutrinos:Lorentz-covariant approach and Ice Cube data, Advances in High Energy Physics, vol. 2016, Article ID 4764981; http://arxiv.org/abs/1607.00640
12. R. Ehrlich, 3 neutrino mass experiments fit a strange 3 + 3 model, but will KATRIN reveal the model’s unique 3-part signature? R. Ehrlich, Astropart. Phys., 85, 43-49 (2016; https://arxiv.org/abs/1602.09043
13. Jentschura, U., Nandori, I, and Ehrlich, R., Calculation of the Decay Rate of Tachyonic Neutrinos against Charged-Lepton-Pair and Neutrino-Pair Cerenkov Radiation”, J. Phys. G: Nucl. Part. Phys. 44 105201 (2017); https://arxiv.org/abs/1709.07711
14. R. Ehrlich, The Mont Blanc neutrinos from SN 1987A: Could they have been monochromatic (8 MeV) tachyons with m 2 = -0.38 keV2?, Astropart. Phys.,99, 21-29 (2018); https://arxiv.org/abs/1701.00488
15. R. Ehrlich. A review of the empirical evidence for superluminal particles and the 3 + 3 model of the neutrino masses, Advances in Astronomy Volume 2019, Article ID 2820492, http://arXiv:1711.09897
16. R. Ehrlich. First results of the KATRIN neutrino mass experiment and their consistency with an exotic 3+3 model, Lett. in High Energy Phys., vol 4, no 4, (2019) http://journals.andromedapublisher.com/index.php/LHEP/article/view/139/76
17. R. Ehrlich. The Tachyon Nexus: An Educational Resource on Tachyons and Time Travel, to appear in the Journal of College Science Teaching, Vol. 52, Issue 3, Jan/ Feb 2023 (2022) https://arxiv.org/pdf/2001.00225.pdf
18. R. Ehrlich, 5 Reasons to expect an 8 MeV line in the SN 1987A neutrino spectrum, Lett. in High En. Phys., LHEP-199, 2021 https://arxiv.org/pdf/2101.08128.pdf
19. R, Ehrlich, A Review of Searches for Evidence of Tachyons, Symmetry 2022, 14(6), 1198, Symmetry | Free Full-Text | A Review of Searches for Evidence of Tachyons | HTML (mdpi.com)
20. R. Ehrlich, Tachyonic Neutrinos: From the Cosmic Rays to Extragalactic Supernovae, Symmetry 2023, 15(9), 1624; https://doi.org/10.3390/sym15091624