Measuring the electron neutrino mass with improved sensitivity: the HOLMES experiment

Giachero, A.; Alpert, Bradley K.; Becker, Daniel; Bennett, Douglas A.; Biasotti, M.; Brofferio, C.; Ceriale, V.; Ceruti, G.; Corsini, D.; Day, Peter; Gerone, M. De; Dressler, R.; Faverzani, M.; Ferri, E.; Fowler, Joseph W.; Fumagalli, E.; Gallucci, G.; Gard, Johnathon D.; Gatti, F.; Hays-Wehle, J. P.; Heinitz, S.; Hilton, G. C.; Köster, U.; Lusignoli, M.; Mates, J. A. B.; Nisi, S.; Nucciotti, A.; Orlando, A.; Parodi, L.; Pessina, G.; Pizzigoni, G.; Puiu, A.; Ragazzi, S.; Reintsema, C. D.; Gomes, M. L.; Schmidt, Daniel R.; Schumann, D.; Siccardi, F.; Sisti, M.; Swetz, Daniel S.; Terranova, F.; Ullom, Joel N.; Vale, Leila R.

doi:10.1088/1748-0221/12/02/c02046

Cited by 18 publications

(12 citation statements)

References 18 publications

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“…Currently, two experiments explore the approach of using electron capture of 163 Ho to probe the neutrino mass: ECHo [187,198] and HOLMES [188,199]. These experiments are complementary to tritium-based techniques both from a technical point-of-view and the fact that in this case an effective electron neutrino mass (as opposed to an effective electron-antineutrino mass) is studied.…”

Section: Echo and Holmesmentioning

confidence: 99%

Status of light sterile neutrino searches

Böser

Buck

Giunti

et al. 2020

Progress in Particle and Nuclear Physics

199

194

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A number of anomalous results in short-baseline oscillation may hint at the existence of one or more light sterile neutrino states in the eV mass range and have triggered a wave of new experimental efforts to search for a definite signature of oscillations between active and sterile neutrino states. The present paper aims to provide a comprehensive review on the status of light sterile neutrino searches in mid-2019: we discuss not only the basic experimental approaches and sensitivities of reactor, source, atmospheric, and accelerator neutrino oscillation experiments but also the complementary bounds arising from direct neutrino mass experiments and cosmological observations. Moreover, we review current results from global oscillation analyses that include the constraints set by running reactor and atmospheric neutrino experiments. They permit to set tighter bounds on the active-sterile oscillation parameters but as yet are not able to provide a definite conclusion on the existence of eV-scale sterile neutrinos.

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Section: Echo and Holmesmentioning

confidence: 99%

Status of light sterile neutrino searches

Böser

Buck

Giunti

et al. 2020

Progress in Particle and Nuclear Physics

199

194

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“…Another interesting class of the experiments includes the HOLMES [393,394] and ECHo [395] experiments, which both aim at the determination of the electron neutrino mass through observations of the endpoint of the electron capture decay of 163 Ho, which practically proceeds through the measurement of de-excitation transitions of the Dy atoms, which are produced in the process 163 Ho + e − → 163 Dy * + ν e [396]. As for the tritium β-decay, also the endpoint of the 163 Ho electron capture spectrum depends on the value of the neutrino masses and, in principle, it would be possible to determine the mass ordering in this way.…”

Section: B Prospects From Beta-decay Experimentsmentioning

confidence: 99%

Neutrino Mass Ordering from Oscillations and Beyond: 2018 Status and Future Prospects

Salas

Gariazzo

Mena

et al. 2018

Front. Astron. Space Sci.

186

197

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The ordering of the neutrino masses is a crucial input for a deep understanding of flavor physics, and its determination may provide the key to establish the relationship among the lepton masses and mixings and their analogous properties in the quark sector. The extraction of the neutrino mass ordering is a data-driven field expected to evolve very rapidly in the next decade. In this review, we both analyze the present status and describe the physics of subsequent prospects. Firstly, the different current available tools to measure the neutrino mass ordering are described. Namely, reactor, long-baseline (accelerator and atmospheric) neutrino beams, laboratory searches for beta and neutrinoless double beta decays and observations of the cosmic background radiation and the large scale structure of the universe are carefully reviewed. Secondly, the results from an up-to-date comprehensive global fit are reported: the Bayesian analysis to the 2018 publicly available oscillation and cosmological data sets provides strong evidence for the normal neutrino mass ordering versus the inverted scenario, with a significance of 3.5 standard deviations. This preference for the normal neutrino mass ordering is mostly due to neutrino oscillation measurements. Finally, we shall also emphasize the future perspectives for unveiling the neutrino mass ordering. In this regard, apart from describing the expectations from the aforementioned probes, we also focus on those arising from alternative and novel methods, as 21 cm cosmology, core-collapse supernova neutrinos and the direct detection of relic neutrinos.10 Here, σ 8 corresponds to the normalization of the matter power spectrum on scales of 8h −1 Mpc, see Equation (13). 11 The thermal SZ thermal effect consists on a spectral distortion on CMB photons which arrive along the line of sight of a cluster.

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“…Future prospects are represented by the possibility of calorimetric measurements of 136 Ho (HOLMES experiment [171]) and measurements of the 3 H decay spectrum via relativistic shift in the cyclotron frequency of the electrons emitted in the decay (Project8 experiment 22 [172]). Although the bounds coming from β-decay experiments are very loose compared to bounds from cosmology, nevertheless they are appealing for the reason that they represent model-independent constraints on the neutrino mass scale, only relying on kinematic measurements.…”

Section: Complementarity With Laboratory Searchesmentioning

confidence: 99%

Status of Neutrino Properties and Future Prospects—Cosmological and Astrophysical Constraints

2018

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Cosmological observations are a powerful probe of neutrino properties, and in particular of their mass. In this review, we first discuss the role of neutrinos in shaping the cosmological evolution at both the background and perturbation level, and describe their effects on cosmological observables such as the cosmic microwave background and the distribution of matter at large scale. We then present the state of the art concerning the constraints on neutrino masses from those observables, and also review the prospects for future experiments. We also briefly discuss the prospects for determining the neutrino hierarchy from cosmology, the complementarity with laboratory experiments, and the constraints on neutrino properties beyond their mass.

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Measuring the electron neutrino mass with improved sensitivity: the HOLMES experiment

Cited by 18 publications

References 18 publications

Status of light sterile neutrino searches

Status of light sterile neutrino searches

Neutrino Mass Ordering from Oscillations and Beyond: 2018 Status and Future Prospects

Status of Neutrino Properties and Future Prospects—Cosmological and Astrophysical Constraints

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