Direct comparison of sterile neutrino constraints from cosmological data, [Formula omitted] disappearance data and [Formula omitted] appearance data in a [Formula omitted] model
We present a quantitative, direct comparison of constraints on sterile neutrinos derived from neutrino oscillation experiments and from Planck data, interpreted assuming standard cosmological evolution. We extend a [Formula omitted] model, which is used to compare exclusion contours at the 95% Cl de...
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| Veröffentlicht in: | The European physical journal. C, Particles and fields Particles and fields, 2020-08, Vol.80 (8) |
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| container_title | The European physical journal. C, Particles and fields |
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| creator | Adams, Matthew Bezrukov, Fedor Elvin-Poole, Jack Evans, Justin J Guzowski, Pawel Fearraigh, Brían Ó Söldner-Rembold, Stefan |
| description | We present a quantitative, direct comparison of constraints on sterile neutrinos derived from neutrino oscillation experiments and from Planck data, interpreted assuming standard cosmological evolution. We extend a [Formula omitted] model, which is used to compare exclusion contours at the 95% Cl derived from Planck data to those from [Formula omitted]-disappearance measurements, to a [Formula omitted] model. This allows us to compare the Planck constraints with those obtained through [Formula omitted] appearance searches, which are sensitive to more than one active-sterile mixing angle. We find that the cosmological data fully exclude the allowed regions published by the LSND, MiniBooNE and Neutrino-4 collaborations, and those from the gallium and rector anomalies, at the 95% Cl. Compared to the exclusion region from the Daya Bay [Formula omitted]-disappearance search, the Planck data are more strongly excluding above [Formula omitted] and [Formula omitted], with the Daya Bay exclusion being stronger below these values. Compared to the combined Daya Bay/Bugey/MINOS exclusion region on [Formula omitted] appearance, the Planck data is more strongly excluding above [Formula omitted], with the exclusion strengths of the Planck data and the Daya Bay/Bugey/MINOS combination becoming comparable below this value. |
| doi_str_mv | 10.1140/epjc/s10052-020-8197-y |
| format | Article |
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We extend a [Formula omitted] model, which is used to compare exclusion contours at the 95% Cl derived from Planck data to those from [Formula omitted]-disappearance measurements, to a [Formula omitted] model. This allows us to compare the Planck constraints with those obtained through [Formula omitted] appearance searches, which are sensitive to more than one active-sterile mixing angle. We find that the cosmological data fully exclude the allowed regions published by the LSND, MiniBooNE and Neutrino-4 collaborations, and those from the gallium and rector anomalies, at the 95% Cl. Compared to the exclusion region from the Daya Bay [Formula omitted]-disappearance search, the Planck data are more strongly excluding above [Formula omitted] and [Formula omitted], with the Daya Bay exclusion being stronger below these values. Compared to the combined Daya Bay/Bugey/MINOS exclusion region on [Formula omitted] appearance, the Planck data is more strongly excluding above [Formula omitted], with the exclusion strengths of the Planck data and the Daya Bay/Bugey/MINOS combination becoming comparable below this value.</description><identifier>ISSN: 1434-6044</identifier><identifier>EISSN: 1434-6052</identifier><identifier>DOI: 10.1140/epjc/s10052-020-8197-y</identifier><language>eng</language><publisher>Springer</publisher><subject>Comparative analysis ; Nuclear energy</subject><ispartof>The European physical journal. 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C, Particles and fields</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Adams, Matthew</au><au>Bezrukov, Fedor</au><au>Elvin-Poole, Jack</au><au>Evans, Justin J</au><au>Guzowski, Pawel</au><au>Fearraigh, Brían Ó</au><au>Söldner-Rembold, Stefan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Direct comparison of sterile neutrino constraints from cosmological data, [Formula omitted] disappearance data and [Formula omitted] appearance data in a [Formula omitted] model</atitle><jtitle>The European physical journal. C, Particles and fields</jtitle><date>2020-08-19</date><risdate>2020</risdate><volume>80</volume><issue>8</issue><issn>1434-6044</issn><eissn>1434-6052</eissn><abstract>We present a quantitative, direct comparison of constraints on sterile neutrinos derived from neutrino oscillation experiments and from Planck data, interpreted assuming standard cosmological evolution. We extend a [Formula omitted] model, which is used to compare exclusion contours at the 95% Cl derived from Planck data to those from [Formula omitted]-disappearance measurements, to a [Formula omitted] model. This allows us to compare the Planck constraints with those obtained through [Formula omitted] appearance searches, which are sensitive to more than one active-sterile mixing angle. We find that the cosmological data fully exclude the allowed regions published by the LSND, MiniBooNE and Neutrino-4 collaborations, and those from the gallium and rector anomalies, at the 95% Cl. Compared to the exclusion region from the Daya Bay [Formula omitted]-disappearance search, the Planck data are more strongly excluding above [Formula omitted] and [Formula omitted], with the Daya Bay exclusion being stronger below these values. Compared to the combined Daya Bay/Bugey/MINOS exclusion region on [Formula omitted] appearance, the Planck data is more strongly excluding above [Formula omitted], with the exclusion strengths of the Planck data and the Daya Bay/Bugey/MINOS combination becoming comparable below this value.</abstract><pub>Springer</pub><doi>10.1140/epjc/s10052-020-8197-y</doi></addata></record> |
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| language | eng |
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| source | DOAJ Directory of Open Access Journals; SpringerLink (Online service); Springer Nature OA Free Journals; EZB Electronic Journals Library |
| subjects | Comparative analysis Nuclear energy |
| title | Direct comparison of sterile neutrino constraints from cosmological data, [Formula omitted] disappearance data and [Formula omitted] appearance data in a [Formula omitted] model |
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