Direct neutrino-mass measurement based on 259 days of KATRIN data

Direct neutrino-mass measurement based on 259 days of KATRIN data

The fact that neutrinos carry a non-vanishing rest mass is evidence of physics beyond the Standard Model of elementary particles. Their absolute mass bears important relevance from particle physics to cosmology. In this work, we report on the search for the effective electron antineutrino mass with...

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Veröffentlicht in:arXiv.org 2024-06
Hauptverfasser: Behrens, J, Beisenkötter, J, Biondi, Y, Block, F, Bobien, S, Böttcher, M, Bornschein, B, Bornschein, L, Caldwell, T S, Carminati, M, Chilingaryan, S, Daniel, B A, Debowski, K, D Díaz Barrero, Doe, P J, Dragoun, O, Edzards, F, Eitel, K, Ellinger, E, Felden, A, Fengler, C, stner, C, Fränkle, F M, Gavin, A S, Gil, W, Glück, F, Grohmann, S, Grössle, R, Gumbsheimer, R, Hasselmann, L, Haußmann, N, Helbing, K, Henke, H, Heyns, S, Hickford, S, Hiller, R, Hillesheimer, D, Höhn, T, Huber, A, Karl, C, Khosonthongkee, K, Klein, M, Kopmann, A, Krause, H, La Cascio, L, Lasserre, T, T Le, Lebeda, O, G Li, Lokhov, A, Machatschek, M, Mark, M, Melzer, C, Mertens, S, Mostafa, J, Müller, K, Nava, A, Neumann, H, Onillon, A, Parno, D S, Pavan, M, Pinsook, U, Ráliš, J, Robertson, R G H, Rodenbeck, C, Röllig, M, Röttele, C, Sack, R, Schäfer, P, Schneidewind, S, Schnurr, U, Schrank, M, Schürmann, J, Schütz, A, Schwemmer, A, Schwenck, A, Šefčík, M, Siegmann, D, Simon, F, Spanier, F, Sreethawong, W, Štorek, J, Stribl, X, Suwonjandee, N, Telle, H H, Thorne, L A, Thümmler, T, Tirolf, S, Titov, N, Urban, K, Valerius, K, Vénos, D, Weinheimer, C, Wendel, J, Wilkerson, J F, Wolf, J, Wydra, J, W Xu, Zadorozhny, S, Zeller, G
Format: Artikel
Sprache:eng
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Astronomical models
Beta decay
Confidence intervals
Cosmology
Electrons
Elementary particles
Kinematics
Neutrinos
Particle physics
Standard model (particle physics)
Tritium
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container_title arXiv.org
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creator Behrens, J
Beisenkötter, J
Biondi, Y
Block, F
Bobien, S
Böttcher, M
Bornschein, B
Bornschein, L
Caldwell, T S
Carminati, M
Chilingaryan, S
Daniel, B A
Debowski, K
D Díaz Barrero
Doe, P J
Dragoun, O
Edzards, F
Eitel, K
Ellinger, E
Felden, A
Fengler, C
stner, C
Fränkle, F M
Gavin, A S
Gil, W
Glück, F
Grohmann, S
Grössle, R
Gumbsheimer, R
Hasselmann, L
Haußmann, N
Helbing, K
Henke, H
Heyns, S
Hickford, S
Hiller, R
Hillesheimer, D
Höhn, T
Huber, A
Karl, C
Khosonthongkee, K
Klein, M
Kopmann, A
Krause, H
La Cascio, L
Lasserre, T
T Le
Lebeda, O
G Li
Lokhov, A
Machatschek, M
Mark, M
Melzer, C
Mertens, S
Mostafa, J
Müller, K
Nava, A
Neumann, H
Onillon, A
Parno, D S
Pavan, M
Pinsook, U
Ráliš, J
Robertson, R G H
Rodenbeck, C
Röllig, M
Röttele, C
Sack, R
Schäfer, P
Schneidewind, S
Schnurr, U
Schrank, M
Schürmann, J
Schütz, A
Schwemmer, A
Schwenck, A
Šefčík, M
Siegmann, D
Simon, F
Spanier, F
Sreethawong, W
Štorek, J
Stribl, X
Suwonjandee, N
Telle, H H
Thorne, L A
Thümmler, T
Tirolf, S
Titov, N
Urban, K
Valerius, K
Vénos, D
Weinheimer, C
Wendel, J
Wilkerson, J F
Wolf, J
Wydra, J
W Xu
Zadorozhny, S
Zeller, G
description The fact that neutrinos carry a non-vanishing rest mass is evidence of physics beyond the Standard Model of elementary particles. Their absolute mass bears important relevance from particle physics to cosmology. In this work, we report on the search for the effective electron antineutrino mass with the KATRIN experiment. KATRIN performs precision spectroscopy of the tritium \(\beta\)-decay close to the kinematic endpoint. Based on the first five neutrino-mass measurement campaigns, we derive a best-fit value of \(m_\nu^{2} = {-0.14^{+0.13}_{-0.15}}~\mathrm{eV^2}\), resulting in an upper limit of \(m_\nu < {0.45}~\mathrm{eV}\) at 90 % confidence level. With six times the statistics of previous data sets, amounting to 36 million electrons collected in 259 measurement days, a substantial reduction of the background level and improved systematic uncertainties, this result tightens KATRIN's previous bound by a factor of almost two.
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Their absolute mass bears important relevance from particle physics to cosmology. In this work, we report on the search for the effective electron antineutrino mass with the KATRIN experiment. KATRIN performs precision spectroscopy of the tritium \(\beta\)-decay close to the kinematic endpoint. Based on the first five neutrino-mass measurement campaigns, we derive a best-fit value of \(m_\nu^{2} = {-0.14^{+0.13}_{-0.15}}~\mathrm{eV^2}\), resulting in an upper limit of \(m_\nu &lt; {0.45}~\mathrm{eV}\) at 90 % confidence level. With six times the statistics of previous data sets, amounting to 36 million electrons collected in 259 measurement days, a substantial reduction of the background level and improved systematic uncertainties, this result tightens KATRIN's previous bound by a factor of almost two.</description><subject>Astronomical models</subject><subject>Beta decay</subject><subject>Confidence intervals</subject><subject>Cosmology</subject><subject>Electrons</subject><subject>Elementary particles</subject><subject>Kinematics</subject><subject>Neutrinos</subject><subject>Particle physics</subject><subject>Standard model (particle 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arXiv.org</general><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>L6V</scope><scope>M7S</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope></search><sort><creationdate>20240619</creationdate><title>Direct neutrino-mass measurement based on 259 days of KATRIN data</title><author>Behrens, J ; Beisenkötter, J ; Biondi, Y ; Block, F ; Bobien, S ; Böttcher, M ; Bornschein, B ; Bornschein, L ; Caldwell, T S ; Carminati, M ; Chilingaryan, S ; Daniel, B A ; Debowski, K ; D Díaz Barrero ; Doe, P J ; Dragoun, O ; Edzards, F ; Eitel, K ; Ellinger, E ; Felden, A ; Fengler, C ; stner, C ; Fränkle, F M ; Gavin, A S ; Gil, W ; Glück, F ; Grohmann, S ; Grössle, R ; Gumbsheimer, R ; Hasselmann, L ; Haußmann, N ; Helbing, K ; Henke, H ; Heyns, S ; Hickford, S ; Hiller, R ; Hillesheimer, D ; Höhn, T ; Huber, A ; Karl, C ; Khosonthongkee, K ; Klein, M ; Kopmann, A ; Krause, H ; La Cascio, L ; Lasserre, T ; T Le ; Lebeda, O ; G Li ; Lokhov, A ; Machatschek, M ; Mark, M ; Melzer, C ; Mertens, S ; Mostafa, J ; Müller, K ; Nava, A ; Neumann, H ; Onillon, A ; Parno, D S ; Pavan, M ; Pinsook, U ; Ráliš, J ; Robertson, R G H ; Rodenbeck, C ; Röllig, M ; Röttele, C ; Sack, R ; Schäfer, P ; Schneidewind, S ; Schnurr, U ; Schrank, M ; Schürmann, J ; Schütz, A ; Schwemmer, A ; Schwenck, A ; Šefčík, M ; Siegmann, D ; Simon, F ; Spanier, F ; Sreethawong, W ; Štorek, J ; Stribl, X ; Suwonjandee, N ; Telle, H H ; Thorne, L A ; Thümmler, T ; Tirolf, S ; Titov, N ; Urban, K ; Valerius, K ; Vénos, D ; Weinheimer, C ; Wendel, J ; Wilkerson, J F ; Wolf, J ; Wydra, J ; W Xu ; Zadorozhny, S ; Zeller, G</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-proquest_journals_30708605443</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Astronomical models</topic><topic>Beta decay</topic><topic>Confidence intervals</topic><topic>Cosmology</topic><topic>Electrons</topic><topic>Elementary particles</topic><topic>Kinematics</topic><topic>Neutrinos</topic><topic>Particle physics</topic><topic>Standard model (particle physics)</topic><topic>Tritium</topic><toplevel>online_resources</toplevel><creatorcontrib>Behrens, J</creatorcontrib><creatorcontrib>Beisenkötter, J</creatorcontrib><creatorcontrib>Biondi, Y</creatorcontrib><creatorcontrib>Block, F</creatorcontrib><creatorcontrib>Bobien, S</creatorcontrib><creatorcontrib>Böttcher, M</creatorcontrib><creatorcontrib>Bornschein, B</creatorcontrib><creatorcontrib>Bornschein, L</creatorcontrib><creatorcontrib>Caldwell, T 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J</creatorcontrib><creatorcontrib>Müller, K</creatorcontrib><creatorcontrib>Nava, A</creatorcontrib><creatorcontrib>Neumann, H</creatorcontrib><creatorcontrib>Onillon, A</creatorcontrib><creatorcontrib>Parno, D S</creatorcontrib><creatorcontrib>Pavan, M</creatorcontrib><creatorcontrib>Pinsook, U</creatorcontrib><creatorcontrib>Ráliš, J</creatorcontrib><creatorcontrib>Robertson, R G H</creatorcontrib><creatorcontrib>Rodenbeck, C</creatorcontrib><creatorcontrib>Röllig, M</creatorcontrib><creatorcontrib>Röttele, C</creatorcontrib><creatorcontrib>Sack, R</creatorcontrib><creatorcontrib>Schäfer, P</creatorcontrib><creatorcontrib>Schneidewind, S</creatorcontrib><creatorcontrib>Schnurr, U</creatorcontrib><creatorcontrib>Schrank, M</creatorcontrib><creatorcontrib>Schürmann, J</creatorcontrib><creatorcontrib>Schütz, A</creatorcontrib><creatorcontrib>Schwemmer, A</creatorcontrib><creatorcontrib>Schwenck, A</creatorcontrib><creatorcontrib>Šefčík, M</creatorcontrib><creatorcontrib>Siegmann, 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collection</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Behrens, J</au><au>Beisenkötter, J</au><au>Biondi, Y</au><au>Block, F</au><au>Bobien, S</au><au>Böttcher, M</au><au>Bornschein, B</au><au>Bornschein, L</au><au>Caldwell, T S</au><au>Carminati, M</au><au>Chilingaryan, S</au><au>Daniel, B A</au><au>Debowski, K</au><au>D Díaz Barrero</au><au>Doe, P J</au><au>Dragoun, O</au><au>Edzards, F</au><au>Eitel, K</au><au>Ellinger, E</au><au>Felden, A</au><au>Fengler, C</au><au>stner, C</au><au>Fränkle, F M</au><au>Gavin, A S</au><au>Gil, W</au><au>Glück, F</au><au>Grohmann, S</au><au>Grössle, R</au><au>Gumbsheimer, R</au><au>Hasselmann, L</au><au>Haußmann, N</au><au>Helbing, K</au><au>Henke, H</au><au>Heyns, S</au><au>Hickford, S</au><au>Hiller, R</au><au>Hillesheimer, D</au><au>Höhn, T</au><au>Huber, A</au><au>Karl, C</au><au>Khosonthongkee, K</au><au>Klein, M</au><au>Kopmann, A</au><au>Krause, H</au><au>La Cascio, L</au><au>Lasserre, T</au><au>T Le</au><au>Lebeda, O</au><au>G Li</au><au>Lokhov, A</au><au>Machatschek, M</au><au>Mark, M</au><au>Melzer, C</au><au>Mertens, S</au><au>Mostafa, J</au><au>Müller, K</au><au>Nava, A</au><au>Neumann, H</au><au>Onillon, A</au><au>Parno, D S</au><au>Pavan, M</au><au>Pinsook, U</au><au>Ráliš, J</au><au>Robertson, R G H</au><au>Rodenbeck, C</au><au>Röllig, M</au><au>Röttele, C</au><au>Sack, R</au><au>Schäfer, P</au><au>Schneidewind, S</au><au>Schnurr, U</au><au>Schrank, M</au><au>Schürmann, J</au><au>Schütz, A</au><au>Schwemmer, A</au><au>Schwenck, A</au><au>Šefčík, M</au><au>Siegmann, D</au><au>Simon, F</au><au>Spanier, F</au><au>Sreethawong, W</au><au>Štorek, J</au><au>Stribl, X</au><au>Suwonjandee, N</au><au>Telle, H H</au><au>Thorne, L A</au><au>Thümmler, T</au><au>Tirolf, S</au><au>Titov, N</au><au>Urban, K</au><au>Valerius, K</au><au>Vénos, D</au><au>Weinheimer, C</au><au>Wendel, J</au><au>Wilkerson, J F</au><au>Wolf, J</au><au>Wydra, J</au><au>W Xu</au><au>Zadorozhny, S</au><au>Zeller, G</au><format>book</format><genre>document</genre><ristype>GEN</ristype><atitle>Direct neutrino-mass measurement based on 259 days of KATRIN data</atitle><jtitle>arXiv.org</jtitle><date>2024-06-19</date><risdate>2024</risdate><eissn>2331-8422</eissn><abstract>The fact that neutrinos carry a non-vanishing rest mass is evidence of physics beyond the Standard Model of elementary particles. Their absolute mass bears important relevance from particle physics to cosmology. In this work, we report on the search for the effective electron antineutrino mass with the KATRIN experiment. KATRIN performs precision spectroscopy of the tritium \(\beta\)-decay close to the kinematic endpoint. Based on the first five neutrino-mass measurement campaigns, we derive a best-fit value of \(m_\nu^{2} = {-0.14^{+0.13}_{-0.15}}~\mathrm{eV^2}\), resulting in an upper limit of \(m_\nu &lt; {0.45}~\mathrm{eV}\) at 90 % confidence level. With six times the statistics of previous data sets, amounting to 36 million electrons collected in 259 measurement days, a substantial reduction of the background level and improved systematic uncertainties, this result tightens KATRIN's previous bound by a factor of almost two.</abstract><cop>Ithaca</cop><pub>Cornell University Library, arXiv.org</pub><oa>free_for_read</oa></addata></record>
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subjects Astronomical models
Beta decay
Confidence intervals
Cosmology
Electrons
Elementary particles
Kinematics
Neutrinos
Particle physics
Standard model (particle physics)
Tritium
title Direct neutrino-mass measurement based on 259 days of KATRIN data
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