Erratum: two experiments for the price of one? The role of the second oscillation maximum in long baseline neutrino experiments

Huber, Patrick; Kopp, Joachim

doi:10.1007/jhep05(2011)024

Cited by 10 publications

(3 citation statements)

References 31 publications

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“…However, in Ref. [53] it was shown that for a wide-band beam, the significantly lower statistics present at the second oscillation peak due to the smaller flux (typically at the tail) and cross section (at lower energies), combined with the large background from NC interactions migrating from higher energies, rendered the information coming from the second peak nearly irrelevant (see also [54]) 1 . Thus, an improved energy reconstruction can be beneficial to the search for leptonic CP violation in two ways.…”

Section: Resultsmentioning

confidence: 99%

Neutrino oscillations at DUNE with improved energy reconstruction

Romeri

Fernández‐Martínez

Sorel

2016

J. High Energ. Phys.

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Abstract:We study the physics reach of the long-baseline oscillation analysis of the DUNE experiment when realistic simulations are used to estimate its neutrino energy reconstruction capabilities. Our studies indicate that significant improvements in energy resolution compared to what is customarily assumed are plausible. This improved energy resolution can increase the sensitivity to leptonic CP violation in two ways. On the one hand, the CP-violating term in the oscillation probability has a characteristic energy dependence that can be better reproduced. On the other hand, the second oscillation maximum, especially sensitive to δ CP , is better reconstructed. These effects lead to a significant improvement in the fraction of values of δ CP for which a 5σ discovery of leptonic CP-violation would be possible. The precision of the δ CP measurement could also be greatly enhanced, with a reduction of the maximum uncertainties from 26 • to 18 • for a 300 MW·kt·yr exposure. We therefore believe that this potential gain in physics reach merits further investigations of the detector performance achievable in DUNE.

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Section: Resultsmentioning

confidence: 99%

Neutrino oscillations at DUNE with improved energy reconstruction

Romeri

Fernández‐Martínez

Sorel

2016

J. High Energ. Phys.

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“…Hyper-Kamiokande [129,130] is an interesting proposal that expects to improve the sensitivity to NSI, by using the atmospheric neutrino data [131,132,133]; their expectations for the normal hierarchy case are particularly appealing. On the other hand, for the case of the LBNE [134] and LBNO [135] proposals, the expected sensitivity to NSI is also encouraging, especially for the flavor changing case of µτ and eµ [136].…”

Section: Perspectives For Nsi In Propagationmentioning

confidence: 91%

Non standard neutrino interactions: current status and future prospects

2015

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Neutrino oscillations have become well-known phenomena; the measurements of neutrino mixing angles and mass squared differences are continuously improving. Future oscillation experiments will eventually determine the remaining unknown neutrino parameters, namely, the mass ordering, normal or inverted, and the CP-violating phase. On the other hand, the absolute mass scale of neutrinos could be probed by cosmological observations, single beta decay as well as by neutrinoless double beta decay experiments. Furthermore, the last one may shed light on the nature of neutrinos, Dirac or Majorana, by measuring the effective Majorana mass of neutrinos. However, the neutrino mass generation mechanism remains unknown. A well-motivated phenomenological approach to search for new physics, in the neutrino sector, is that of non-standard interactions. In this short review, the current constraints in this picture, as well as the perspectives from future experiments, are discussed.

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“…While non-standard neutrino interactions may affect the neutrino production and detection processes, here we only consider the effects of the new interactions during neutrino propagation, as including these effects requires additional parameters describing the production and detection processes (see, for example, Refs. [40,41]). The use of a near detector in experiments will help address these effects (see, for example, Ref.…”

Section: Formalism Current Bounds and Oscillation Probabilitiesmentioning

confidence: 99%

Non-standard neutrino interactions at DUNE

Gouvêa¹,

Kelly²

2016

Nuclear Physics B

140

154

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We explore the effects of non-standard neutrino interactions (NSI) and how they modify neutrino propagation in the Deep Underground Neutrino Experiment (DUNE). We find that NSI can significantly modify the data to be collected by the DUNE experiment as long as the new physics parameters are large enough. For example, If the DUNE data are consistent with the standard three-massive-neutrinos paradigm, order 0.1 (in units of the Fermi constant) NSI effects will be ruled out. On the other hand, if large NSI effects are present, DUNE will be able to not only rule out the standard paradigm but also measure the new physics parameters, sometimes with good precision. We find that, in some cases, DUNE is sensitive to new sources of CP -invariance violation. We also explored whether DUNE data can be used to distinguish different types of new physics beyond nonzero neutrino masses. In more detail, we asked whether NSI can be mimicked, as far as the DUNE setup is concerned, by the hypothesis that there is a new light neutrino state.

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Erratum: two experiments for the price of one? The role of the second oscillation maximum in long baseline neutrino experiments

Cited by 10 publications

References 31 publications

Neutrino oscillations at DUNE with improved energy reconstruction

Neutrino oscillations at DUNE with improved energy reconstruction

Non standard neutrino interactions: current status and future prospects

Non-standard neutrino interactions at DUNE

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