PTOLEMY

(Princeton Tritium Observatory for Light, Early-Universe, Massive-Neutrino Yield)

Other Web pages: INSPIRE

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References

1 - Proposal

[1-1]
PTOLEMY: A Proposal for Thermal Relic Detection of Massive Neutrinos and Directional Detection of MeV Dark Matter, E. Baracchini et al. (PTOLEMY), arXiv:1808.01892, 2018.
[PTOLEMY:2018jst]

2 - Physics

[2-1]
Heisenberg uncertainty principle in the PTOLEMY project: A theory update, A. Apponi et al. (PTOLEMY), Phys. Rev. D 106 (2022) 053002, arXiv:2203.11228.
[PTOLEMY:2022ldz]
[2-2]
Neutrino physics with the PTOLEMY project: active neutrino properties and the light sterile case, M. G. Betti et al. (PTOLEMY), JCAP 07 (2019) 047, arXiv:1902.05508.
[PTOLEMY:2019hkd]

3 - Detector

[3-1]
Ultra-high precision high voltage system for PTOLEMY, R. Ammendola et al., JINST 21 (2026) P04009, arXiv:2512.19437.
[PTOLEMY:2025lys]
[3-2]
A demonstration of slowed electron E $\times$ B drift for PTOLEMY, M. Farino et al. (PTOLEMY), JINST 20 (2025) P08025, arXiv:2503.10025.
[PTOLEMY:2025unk]
[3-3]
Implementation and optimization of the PTOLEMY transverse drift electromagnetic filter, A. Apponi et al., JINST 17 (2022) P05021, arXiv:2108.10388.
[Apponi:2021hdu]
[3-4]
A design for an electromagnetic filter for precision energy measurements at the tritium endpoint, M. G. Betti et al., Prog. Part. Nucl. Phys. 106 (2019) 120-131, arXiv:1810.06703.
[Betti:2018bjv]

4 - Talks

[4-1]
Tackling the experimental challenge to detect relic neutrinos from the Big Bang with Ptolemy, Federico Virzi (PTOLEMY), PoS ICHEP2024 (2025) 116.
[Virzi:2024knb]
[4-2]
Cosmic Neutrino Background detection with PTOLEMY, Nicola Rossi et al. (PTOLEMY), PoS EPS-HEP2023 (2024) 103.
[PTOLEMY:2024boh]
[4-3]
PTOLEMY: Relic neutrino direct detection, Alice Apponi et al. (PTOLEMY), PoS TAUP2023 (2024) 203.
[PTOLEMY:2024lzs]
[4-4]
The PTOLEMY project: from an idea to a real experiment for detecting cosmological relic neutrinos, Marcello Messina, Frascati Phys. Ser. 66 (2018) 286-293.
[Messina:2018xzi]
[4-5]
PTolemy - Towards Cosmological Relic Neutrino detection, Alfredo G. Cocco, PoS NOW2016 (2017) 092.
[Cocco:2017nax]
[4-6]
Development of a Relic Neutrino Detection Experiment at PTOLEMY: Princeton Tritium Observatory for Light, Early-Universe, Massive-Neutrino Yield, S. Betts et al., arXiv:1307.4738, 2013. Snowmass 2013}: {Snowmass on the Mississippi.
[Betts:2013uya]

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Authors:
Stefano Gariazzo / gariazzo@to.infn.it
Carlo Giunti / giunti@to.infn.it
Marco Laveder / marco.laveder@pd.infn.it
Last Update: Fri 8 May 2026, 12:29:59 CET