Measurement of the Neutrino Mass Splitting and Flavor Mixing by MINOS

Adamson, P.; Andreopoulos, C.; Armstrong, R.; Auty, D. J.; Ayres, D. S.; Backhouse, C.; Barr, G.; Bishai, M.; Blake, A.; Bock, G. J.; Boehnlein, D.; Bogert, D.; Cavanaugh, S.; Cherdack, D.; Childress, S.; Choudhary, B. C.; Coelho, J. A. B.; Coleman, S. J.; Corwin, L. A.; Cronin-Hennessy, D.; Dankó, I.; Jong, J. K. de; Devenish, N. E.; Diwan, M. V.; Dorman, M.; Escobar, C. O.; Evans, Justin J.; Falk, E.; Feldman, G. J.; Frohne, M. V.; Gallagher, H.; Gomes, R. A.; Goodman, M. C.; Gouffon, P.; Graf, N.; Gran, R.; Grant, N.; Grzelak, K.; Habig, A.; Harris, Deborah A.; Hartnell, J.; Hatcher, R.; Himmel, A.; Holin, A.; Huang, X. T.; Hylen, J.; Ilić, J.; Irwin, G. M.; Isvan, Z.; Jaffe, D. E.; James, C.; Jensen, D.; Kafka, T.; Kasahara, S. M S; Koizumi, G.; Köpp, S.; Kordosky, M.; Kreymer, A.; Lang, K.; Lefeuvre, G.; Litchfield, P. J.; Litchfield, R. P.; Loiacono, L.; Lucas, P.; Mann, W. A.; Маршак, М. Л.; Mayer, N.; McGowan, A. M.; Mehdiyev, R.; Meier, J. R.; Messier, M. D.; Michael, D. G.; Miller, William H.; Mishra, S. R.; Mitchell, J. W.; Moore, C. D.; Morfín, J. G.; Mualem, L.; Mufson, S.; Musser, J.; Naples, D.; Nelson, J. K.; Newman, H. B.; Nichol, R. J.; Nowak, J.; Oliver, W. P.; Orchanian, M.; Ospanov, R.; Paley, J.; Patterson, R. B.; Pawloski, G.; Pearce, G. F.; Petyt, D.; Phan-Budd, S.; Plunkett, R.; Qiu, X.; Ratchford, J.; Raufer, T. M.; Rebel, B.; Rodrigues, P. A.; Rosenfeld, C.; Rubin, H. A.; Sanchez, M. C.; Schneps, J.; Schreiner, P.; Shanahan, P.; Smith, C.; Sousa, A.; Stamoulis, P.; Strait, M.; Tagg, N.; Talaga, R. L.; Thomas, J. C.; Thomson, M. A.; Tinti, G.; Toner, R.; Tzanakos, G.; Urheim, J.; Vahle, P.; Viren, B.; Weber, A.; Webb, R.; White, C.; Whitehead, L.; Wojcicki, S. G.; Yang, T.; Zwaska, R.

doi:10.1103/physrevlett.106.181801

Cited by 225 publications

(235 citation statements)

References 24 publications

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“…and MINOS [35] results. We observe that if we combine only T2K and DC (not shown in figure 1), our allowed regions agree very well with the result shown in [17] for the same fixed values of sin 2 2θ 23 and |∆m 2 32 |.…”

Section: Combining Accelerator and Reactor Datamentioning

confidence: 99%

Combining accelerator and reactor measurements of θ 13: the first result

Machado

Minakata

Nunokawa

et al. 2012

J. High Energ. Phys.

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Abstract:The lepton mixing angle θ 13 , the only unknown angle in the standard threeflavor neutrino mixing scheme, is finally measured by the recent reactor and accelerator neutrino experiments. We perform a combined analysis of the data coming from T2K, MINOS, Double Chooz, Daya Bay and RENO experiments and find sin 2 2θ 13 = 0.096 ± 0.013(±0.040) at 1 σ (3 σ) CL and that the hypothesis θ 13 = 0 is now rejected at a significance level of 7.7 σ. We also discuss the near future expectation on the precision of the θ 13 determination by using expected data from these ongoing experiments.

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Section: Combining Accelerator and Reactor Datamentioning

confidence: 99%

Combining accelerator and reactor measurements of θ 13: the first result

Machado

Minakata

Nunokawa

et al. 2012

J. High Energ. Phys.

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“…by the K2K [60] and MINOS experiments [61], with baselines of 250 km and 730 km, respectively. Because matter effects are not highly significant at these baselines, extraction of this parameter is little affected by the possible presence of a sterile component in the third mass eigenstate.…”

Section: Jhep04(2015)170mentioning

confidence: 99%

Constraints and consequences of reducing small scale structure via large dark matter-neutrino interactions

Bertoni

Ipek

McKeen

et al. 2015

J. High Energ. Phys.

106

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Cold dark matter explains a wide range of data on cosmological scales. However, there has been a steady accumulation of evidence for discrepancies between simulations and observations at scales smaller than galaxy clusters. One promising way to affect structure formation on small scales is a relatively strong coupling of dark matter to neutrinos. We construct an experimentally viable, simple, renormalizable model with new interactions between neutrinos and dark matter and provide the first discussion of how these new dark matter-neutrino interactions affect neutrino phenomenology. We show that addressing the small scale structure problems requires asymmetric dark matter with a mass that is tens of MeV. Generating a sufficiently large dark matter-neutrino coupling requires a new heavy neutrino with a mass around 100 MeV. The heavy neutrino is mostly sterile but has a substantial τ neutrino component, while the three nearly massless neutrinos are partly sterile. This model can be tested by future astrophysical, particle physics, and neutrino oscillation data. Promising signatures of this model include alterations to the neutrino energy spectrum and flavor content observed from a future nearby supernova, anomalous matter effects in neutrino oscillations, and a component of the τ neutrino with mass around 100 MeV.

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“…The KATRIN experiment consists of four main sections (figure 1): The windowless gaseous tritium source (1) in which the β electrons are produced. The transport section (2) which reduces the tritium flow rate by 14 orders of magnitude and adiabatically guides the electrons to the spectrometer and detector section (3) where the energy analysis is performed.…”

Section: The Katrin Experiment: Principle and Status Of The Main Compmentioning

confidence: 99%

“…Although the mass splittings between the neutrino mass eigenstates are known to be |∆m 31 2 | = (2.32 +0.12 −0.08 ) × 10 −3 eV 2 /c 4 [1] and ∆m 21 2 = (7.41 +0.21…”

Section: Introductionmentioning

confidence: 99%

Status of the KATRIN experiment

Fischer¹

2012

Proceedings of XXIst International Europhysics Conference on High Energy Physics — PoS(EPS-HEP2011)

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The aim of the Karlsruhe Tritium Neutrino experiment -KATRIN -is the direct measurement of the anti-neutrino mass with a sensitivity of 200 meV/c 2 (90% C.L.). It is based on the study of the endpoint region of tritium β decay where a non-vanishing anti-neutrino mass causes a distortion of the β spectrum. KATRIN will allow to probe a part of the cosmology-relevant neutrino mass parameter space and hence further constrain cosmological models and help to clarify the role of neutrinos as dark matter. KATRIN uses a windowless gaseous tritium source for production of β electrons in combination with an electrostatic filter for energy analysis. An overview of the status of the KATRIN experiment will be given.

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Measurement of the Neutrino Mass Splitting and Flavor Mixing by MINOS

Cited by 225 publications

References 24 publications

Combining accelerator and reactor measurements of θ 13: the first result

Combining accelerator and reactor measurements of θ 13: the first result

Constraints and consequences of reducing small scale structure via large dark matter-neutrino interactions

Status of the KATRIN experiment

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