Phase space factors for double-$\beta$ decay

By J. Kotila, F. Iachello. 2012

282 citations recorded by the source corpus.

A complete and improved calculation of phase space factors (PSF) for $2\nu\beta\beta$ and $0\nu\beta\beta$ decay is presented. The calculation makes use of exact Dirac wave functions with finite nuclear size and electron screening and includes life-times, single and summed electron spectra, and angular electron correlations.

Subfields: Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/ccc4762556bcaf71038e32939426cd6e4efd854c

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In Nuclear and High Energy Physics

1. S. Petcov
2. Z. Xing
3. F. Deppisch
4. A. Barabash
5. P. Bolton
6. T. Undagoitia
7. F. Vissani
8. Michael Wurm

Citations in the corpus

• Projected WIMP sensitivity of the XENONnT dark matter experiment (2020, background): “We assume an associated systematic uncertainty of 15% due to the limited knowledge of the low-energy double beta spectrum [57].”
• Sensitivity and discovery potential of the proposed nEXO experiment to neutrinoless double- β decay (2017, methodology): “nteracting Boson Model; PHFB: projected-Hartree-Fock-Bogoliubov model; GCM: Generating Coordinate Method. See Sec. 2.1 for details. The phase space values used in calculating FN values are taken from [26]. 0νββ nuclear factor of merit FN (10−13 y−1) Isotope QRPA-T [27] QRPA-J [28] ISM [29] IBM-2 [30”
• Precise Half-Life Values for Two-Neutrino Double-β Decay: 2020 Review (2020, methodology): “[25], it is better to use the so-called effective NME, | M f f 2ν |= gA· | (mec · M2ν) |.”
• Neutrinoless Double Beta Decay: 2015 Review (2016, methodology): “References [95] and [96] were used for the PSFs and for the NME, respectively.”
• Theia: an advanced optical neutrino detector (2019, background): “The expected sensitivity (90% CL) for 10 years of data taking, using phase space factors from [145] and matrix element from [146] (gA = 1.”
• Neutrinoless double beta decay versus other probes of heavy sterile neutrinos (2019, background): “The most recent calculations of G0ν for relevant 0νββ decay isotopes have included effects such as the Coulomb distortion of the electron wave functions due to the finite size of the daughter nucleus and electron screening [196–198].”