Test of Lorentz invariance with atmospheric neutrinos

Abe, K.; Haga, Y.; Hayato, Y.; Ikeda, M.; Iyogi, K.; Kameda, J.; Kishimoto, Y.; Miura, M.; Moriyama, S.; Nakahata, M.; Nakano, Y.; Nakayama, S.; Sekiya, H.; Shiozawa, M.; Suzuki, Y.; Takeda, Atsushi; Tanaka, Hidekazu; Tomura, T.; Ueno, K.; Wendell, R.; Yokozawa, T.; Irvine, T. J.; Kajita, T.; Kametani, I.; Kaneyuki, K.; Lee, K. P.; Mclachlan, T. C.; Nishimura, Y.; Richard, E.; Okumura, K.; Labarga, L.; Fernández, P.; Gustafson, J.; Kearns, E.; Raaf, J. L.; Stone, J. L.; Sulak, L.; Berkman, S.; Tanaka, Hirohisa; Tobayama, S.; Goldhaber, M.; Carminati, G.; Kropp, W. R.; Mine, S.; Weatherly, P.; Renshaw, A.; Smy, M. B.; Sobel, H. W.; Takhistov, Volodymyr; Ganezer, K. S.; Hartfiel, B. L.; Hill, J.; Keig, W. E.; Hồng, Nguyễn Thị; Kim, J. Y.; Lim, I. T.; Akiri, T.; Himmel, A.; Scholberg, K.; Walter, C. W.; Wongjirad, T.; Ishizuka, T.; Tasaka, S.; Jang, J. S.; Learned, J. G.; Matsuno, S.; Smith, S. N.; Hasegawa, T.; Ishida, Toru; Ishii, T.; Kobayashi, Toshio; Nakadaira, T.; Nakamura, K.; Oyama, Y.; Sakashita, K.; Sekiguchi, T.; Tsukamoto, T.; Suzuki, A.; Takeuchi, Y.; Bronner, C.; Hirota, S.; Huang, K.; Ieki, K.; Kikawa, T.; Minamino, A.; Murakami, Akira; Nakaya, T.; Suzuki, K.; Takahashi, Sentaro; Tateishi, K.; Fukuda, Y.; Choi, K.; Itow, Y.; Mitsuka, G.; Mijakowski, P.; Hignight, J.; Imber, J.; Jung, C. K.; Yanagisawa, C.; Ishino, H.; Kibayashi, A.; Koshio, Y.; Mori, T.; Sakuda, M.; Yamaguchi, R.; Yano, T.; Kuno, Y.; Tacik, R.; Kim, S. B.; Okazawa, H.; Choi, Y.; Nishijima, K.; Koshiba, M.; Suda, Y.; Totsuka, Y.; Yokoyama, M.; Martens, K.; Marti, Ll.; Vagins, M. R.; Martin, J. F.; Perio, P. de; Konaka, A.; Wilking, M. J.; Chen, S.; Zhang, Y.; Connolly, K.; Wilkes, R. J.

doi:10.1103/physrevd.91.052003

Cited by 87 publications

(102 citation statements)

References 63 publications

(38 reference statements)

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“…This lower bound on τ nn in (4.2) from the SK experiment [14] is comparable to, and stronger by approximately a factor of 3 than, the direct lower bound on τ nn from the ILL experiment [8]. The SK experiment has also searched for specific dinucleon decays and has obtained the limits [15] Γ −1 np→π + π 0 > 1.70 × 10 32 yrs (4.4) and Γ −1 nn→π 0 π 0 > 4.04 × 10 32 yrs .…”

Section: N −N Oscillations and Dinucleon Decays To Hadronic Finalmentioning

confidence: 74%

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Baryon-number-violating nucleon and dinucleon decays in a model with large extra dimensions

Girmohanta

Shrock

2020

Phys. Rev. D

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It is known that limits on baryon-violating nucleon decays do not, in general, imply corresponding suppression of n −n transitions. In the context of a model with fermions propagating in higher dimensions, we investigate a related question, namely the implications of limits on ∆L = −1 proton and bound neutron decays mediated by four-fermion operators for rates of nucleon decays mediated by k-fermion operators with k = 6 and k = 8. These include a variety of nucleon and dinucleon decays to dilepton and trilepton final states with ∆L = −3, −2, 1, and 2. We carry out a lowenergy effective field theory analysis of relevant operators for these decays and show that, in this extra-dimensional model, the rates for these decays are strongly suppressed and hence are in accord with experimental limits.

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Section: N −N Oscillations and Dinucleon Decays To Hadronic Finalmentioning

confidence: 74%

“…= R τ 2 nn , where R ∼ O(10 2 ) MeV, or equivalently, R ≃ 10 23 sec −1 , depending on the nucleus. The best current limit on matter instability is from the SuperKamiokande (SK) water Cherenkov experiment [14], τ m.i. > 1.9 × 10 32 yr .…”

Section: N −N Oscillations and Dinucleon Decays To Hadronic Finalmentioning

confidence: 99%

Baryon-number-violating nucleon and dinucleon decays in a model with large extra dimensions

Girmohanta

Shrock

2020

Phys. Rev. D

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“…A similar expression can be found for antineutrino oscillations. The formulations described above have been implemented to perform several independent and complementary searches for Lorentz and CPT violation by Double Chooz [72], IceCube [73], LSND [74], MiniBooNE [75,76], MINOS [77][78][79], and Super-Kamiokande [80]. To date there is no compelling evidence for Lorentz violation and these experimental searches have served to constraint several SME coefficients, which are summarized in Ref.…”

Section: Neutrino Oscillationsmentioning

confidence: 99%

Testing Lorentz and CPT Invariance with Neutrinos

Díaz

2016

Symmetry

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“…Comparing neutrino and antineutrino oscillation parameters amounts, therefore, to a particular test of CPT-conservation. Neutrino oscillation experiments can and have been used to perform different tests of the CPT-theorem [6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21] and we have nothing to add to these in this manuscript. It is challenging to construct simple models where particles and their antiparticles have different masses (for interesting attempts see, for example, [22][23][24][25]) and it is fair to say that a detailed understanding of all the consequences of such scenarios is still the subject of active theoretical inquiry.…”

Section: Introductionmentioning

confidence: 99%

Neutrino versus antineutrino oscillation parameters at DUNE and Hyper-Kamiokande experiments

Gouvêa

Kelly

2017

Phys. Rev. D

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Testing, in a non-trivial, model-independent way, the hypothesis that the three-massive-neutrinos paradigm properly describes nature is among the main goals of the current and the next generation of neutrino oscillation experiments. In the coming decade, the DUNE and Hyper-Kamiokande experiments will be able to study the oscillation of both neutrinos and antineutrinos with unprecedented precision. We explore the ability of these experiments, and combinations of them, to determine whether the parameters that govern these oscillations are the same for neutrinos and antineutrinos, as prescribed by the CPT-theorem. We find that both DUNE and Hyper-Kamiokande will be sensitive to unexplored levels of leptonic CPT-violation. Assuming the parameters for neutrino and antineutrino oscillations are unrelated, we discuss the ability of these experiments to determine the neutrino and antineutrino mass-hierarchies, atmospheric-mixing octants, and CP-odd phases, three key milestones of the experimental neutrino physics program. Additionally, if the CPT-theorem is violated in nature in a way that is consistent with all present neutrino and antineutrino oscillation data, we find that DUNE and Hyper-Kamiokande have the potential to ultimately establish leptonic CPT-invariance violation.

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Test of Lorentz invariance with atmospheric neutrinos

Cited by 87 publications

References 63 publications

Baryon-number-violating nucleon and dinucleon decays in a model with large extra dimensions

Baryon-number-violating nucleon and dinucleon decays in a model with large extra dimensions

Testing Lorentz and CPT Invariance with Neutrinos

Neutrino versus antineutrino oscillation parameters at DUNE and Hyper-Kamiokande experiments

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