First Constraints on General Neutrino Interactions Based on KATRIN Data

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389005%3A_____%2F25%3A00638720" target="_blank" >RIV/61389005:_____/25:00638720 - isvavai.cz</a>

Výsledek na webu

<a href="https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.134.251801" target="_blank" >https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.134.251801</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1103/PhysRevLett.134.251801" target="_blank" >10.1103/PhysRevLett.134.251801</a>

Jazyk výsledku

angličtina

Název v původním jazyce

First Constraints on General Neutrino Interactions Based on KATRIN Data

Popis výsledku v původním jazyce

The precision measurement of the tritium beta-decay spectrum performed by the KATRIN experiment provides a unique way to search for general neutrino interactions (GNIs). All theoretically allowed GNI terms at dimension 6 involving neutrinos are incorporated into a low-energy effective field theory, and can be identified by specific signatures in the measured tritium beta spectrum. In this Letter an effective description of the impact of GNIs on the beta spectrum is formulated and the first constraints on the effective GNI parameters are derived based on the 4 x 10(6) electrons collected in the second measurement campaign of KATRIN in 2019. In addition, constraints on selected types of interactions are investigated, thereby exploring the potential of KATRIN to search for more specific new physics cases, including a right-handed W boson, a charged Higgs boson, or leptoquarks.

Název v anglickém jazyce

First Constraints on General Neutrino Interactions Based on KATRIN Data

Popis výsledku anglicky

The precision measurement of the tritium beta-decay spectrum performed by the KATRIN experiment provides a unique way to search for general neutrino interactions (GNIs). All theoretically allowed GNI terms at dimension 6 involving neutrinos are incorporated into a low-energy effective field theory, and can be identified by specific signatures in the measured tritium beta spectrum. In this Letter an effective description of the impact of GNIs on the beta spectrum is formulated and the first constraints on the effective GNI parameters are derived based on the 4 x 10(6) electrons collected in the second measurement campaign of KATRIN in 2019. In addition, constraints on selected types of interactions are investigated, thereby exploring the potential of KATRIN to search for more specific new physics cases, including a right-handed W boson, a charged Higgs boson, or leptoquarks.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10301 - Atomic, molecular and chemical physics (physics of atoms and molecules including collision, interaction with radiation, magnetic resonances, Mössbauer effect)

Projekt

<a href="/cs/project/LTT19005" target="_blank" >LTT19005: Česká účast v mezinárodním experimentu KATRIN</a><br>

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2025

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Physical Review Letters

ISSN

0031-9007

e-ISSN

1079-7114

Svazek periodika

134

Číslo periodika v rámci svazku

25

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

10

Strana od-do

251801

Kód UT WoS článku

001561276600001

EID výsledku v databázi Scopus

2-s2.0-105009160465