Measurement of the very rare K+ → π+νν¯¯¯ decay

Publikationstyp:
Zeitschriftenaufsatz
Metadaten:
Autoren
  • E Cortina Gil
  • A Kleimenova
  • E Minucci
  • S Padolski
  • P Petrov
  • A Shaikhiev
  • R Volpe
  • T Numao
  • Y Petrov
  • B Velghe
  • D Bryman
  • J Fu
  • T Husek
  • J Jerhot
  • K Kampf
  • M Zamkovsky
  • R Aliberti
  • G Khoriauli
  • J Kunze
  • D Lomidze
  • L Peruzzo
  • M Vormstein
  • R Wanke
  • P Dalpiaz
  • M Fiorini
  • I Neri
  • A Norton
  • F Petrucci
  • H Wahl
  • A Cotta Ramusino
  • A Gianoli
  • E Iacopini
  • G Latino
  • M Lenti
  • A Parenti
  • A Bizzeti
  • F Bucci
  • A Antonelli
  • G Georgiev
  • V Kozhuharov
  • G Lanfranchi
  • S Martellotti
  • M Moulson
  • T Spadaro
  • F Ambrosino
  • T Capussela
  • M Corvino
  • D Di Filippo
  • P Massarotti
  • M Mirra
  • M Napolitano
  • G Saracino
  • G Anzivino
  • F Brizioli
  • E Imbergamo
  • R Lollini
  • R Piandani
  • C Santoni
  • M Barbanera
  • P Cenci
  • B Checcucci
  • P Lubrano
  • M Lupi
  • M Pepe
  • M Piccini
  • F Costantini
  • L Di Lella
  • N Doble
  • M Giorgi
  • S Giudici
  • G Lamanna
  • E Lari
  • E Pedreschi
  • M Sozzi
  • C Cerri
  • R Fantechi
  • L Pontisso
  • F Spinella
  • I Mannelli
  • G D'Agostini
  • M Raggi
  • A Biagioni
  • E Leonardi
  • A Lonardo
  • P Valente
  • P Vicini
  • R Ammendola
  • V Bonaiuto
  • A Fucci
  • A Salamon
  • F Sargeni
  • R Arcidiacono
  • B Bloch-Devaux
  • M Boretto
  • E Menichetti
  • E Migliore
  • D Soldi
  • C Biino
  • A Filippi
  • F Marchetto
  • J Engelfried
  • N Estrada-Tristan
  • AM Bragadireanu
  • SA Ghinescu
  • OE Hutanu
  • A Baeva
  • D Baigarashev
  • D Emelyanov
  • T Enik
  • V Falaleev
  • V Kekelidze
  • A Korotkova
  • L Litov
  • D Madigozhin
  • M Misheva
  • N Molokanova
  • S Movchan
  • I Polenkevich
  • Yu Potrebenikov
  • S Shkarovskiy
  • A Zinchenko
  • S Fedotov
  • E Gushchin
  • A Khotyantsev
  • Y Kudenko
  • V Kurochka
  • M Medvedeva
  • A Mefodev
  • S Kholodenko
  • V Kurshetsov
  • V Obraztsov
  • A Ostankov
  • V Semenov
  • V Sugonyaev
  • O Yushchenko
  • L Bician
  • T Blazek
  • V Cerny
  • Z Kucerova
  • J Bernhard
  • A Ceccucci
  • H Danielsson
  • N De Simone
  • F Duval
  • B Dobrich
  • L Federici
  • E Gamberini
  • L Gatignon
  • R Guida
  • F Hahn
  • EB Holzer
  • B Jenninger
  • M Koval
  • P Laycock
  • G Lehmann Miotto
  • P Lichard
  • A Mapelli
  • R Marchevski
  • K Massri
  • M Noy
  • V Palladino
  • M Perrin-Terrin
  • J Pinzino
  • V Ryjov
  • S Schuchmann
  • S Venditti
  • T Bache
  • MB Brunetti
  • V Duk
  • V Fascianelli
  • JR Fry
  • F Gonnella
  • E Goudzovski
  • J Henshaw
  • L Iacobuzio
  • C Lazzeroni
  • N Lurkin
  • F Newson
  • C Parkinson
  • A Romano
  • A Sergi
  • A Sturgess
  • J Swallow
  • H Heath
  • R Page
  • S Trilov
  • B Angelucci
  • D Britton
  • C Graham
  • D Protopopescu
  • J Carmignani
  • JB Dainton
  • RWL Jones
  • G Ruggiero
  • L Fulton
  • D Hutchcroft
  • E Maurice
  • B Wrona
  • A Conovaloff
  • P Cooper
  • D Coward
  • P Rubin
Autoren-URL
https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=fis-test-1&SrcAuth=WosAPI&KeyUT=WOS:000664860900005&DestLinkType=FullRecord&DestApp=WOS_CPL
DOI
10.1007/JHEP06(2021)093
Externe Identifier
  • Clarivate Analytics Document Solution ID: SW9VG
ISSN
1029-8479
Ausgabe der Veröffentlichung
6
Zeitschrift
JOURNAL OF HIGH ENERGY PHYSICS
Schlüsselwörter
  • FCNC Interaction
  • Flavour Changing Neutral Currents
  • Rare decay
  • Fixed target experiments
  • Flavor physics
Artikelnummer
ARTN 93
Datum der Veröffentlichung
2021
Status
Published
Titel
Measurement of the very rare K<SUP>+</SUP>→π+νν<mml:mo stretchy="true"><overbar></mml:mover> decay
Sub types
  • Article

Datenquelle: Web of Science (Lite)

Andere Metadatenquellen:
Abstract
<jats:title>A<jats:sc>bstract</jats:sc> </jats:title><jats:p>The NA62 experiment reports the branching ratio measurement <jats:inline-formula><jats:alternatives><jats:tex-math>$$ \mathrm{BR}\left({K}^{+}\to {\pi}^{+}\nu \overline{\nu}\right)=\left({10.6}_{-3.4}^{+4.0}\left|{}_{\mathrm{stat}}\right.\pm {0.9}_{\mathrm{syst}}\right)\times {10}^{-11} $$</jats:tex-math><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mi>BR</mml:mi> <mml:mfenced> <mml:mrow> <mml:msup> <mml:mi>K</mml:mi> <mml:mo>+</mml:mo> </mml:msup> <mml:mo>→</mml:mo> <mml:msup> <mml:mi>π</mml:mi> <mml:mo>+</mml:mo> </mml:msup> <mml:mi>ν</mml:mi> <mml:mover> <mml:mi>ν</mml:mi> <mml:mo>¯</mml:mo> </mml:mover> </mml:mrow> </mml:mfenced> <mml:mo>=</mml:mo> <mml:mfenced> <mml:mrow> <mml:msubsup> <mml:mn>10.6</mml:mn> <mml:mrow> <mml:mo>−</mml:mo> <mml:mn>3.4</mml:mn> </mml:mrow> <mml:mrow> <mml:mo>+</mml:mo> <mml:mn>4.0</mml:mn> </mml:mrow> </mml:msubsup> <mml:mfenced> <mml:msub> <mml:mrow /> <mml:mtext>stat</mml:mtext> </mml:msub> </mml:mfenced> <mml:mo>±</mml:mo> <mml:msub> <mml:mn>0.9</mml:mn> <mml:mtext>syst</mml:mtext> </mml:msub> </mml:mrow> </mml:mfenced> <mml:mo>×</mml:mo> <mml:msup> <mml:mn>10</mml:mn> <mml:mrow> <mml:mo>−</mml:mo> <mml:mn>11</mml:mn> </mml:mrow> </mml:msup> </mml:math></jats:alternatives></jats:inline-formula> at 68% CL, based on the observation of 20 signal candidates with an expected background of 7.0 events from the total data sample collected at the CERN SPS during 2016–2018. This provides evidence for the very rare <jats:italic>K</jats:italic><jats:sup>+</jats:sup><jats:italic>→</jats:italic><jats:inline-formula><jats:alternatives><jats:tex-math>$$ {\pi}^{+}\nu \overline{\nu} $$</jats:tex-math><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msup> <mml:mi>π</mml:mi> <mml:mo>+</mml:mo> </mml:msup> <mml:mi>ν</mml:mi> <mml:mover> <mml:mi>ν</mml:mi> <mml:mo>¯</mml:mo> </mml:mover> </mml:math></jats:alternatives></jats:inline-formula> decay, observed with a significance of 3.4<jats:italic>σ</jats:italic>. The experiment achieves a single event sensitivity of (0<jats:italic>.</jats:italic>839 <jats:italic>±</jats:italic> 0<jats:italic>.</jats:italic>054) <jats:italic>×</jats:italic> 10<jats:sup><jats:italic>−</jats:italic>11</jats:sup>, corresponding to 10.0 events assuming the Standard Model branching ratio of (8<jats:italic>.</jats:italic>4 <jats:italic>±</jats:italic> 1<jats:italic>.</jats:italic>0) <jats:italic>×</jats:italic> 10<jats:sup><jats:italic>−</jats:italic>11</jats:sup>. This measurement is also used to set limits on BR(<jats:italic>K</jats:italic><jats:sup>+</jats:sup><jats:italic>→ π</jats:italic><jats:sup>+</jats:sup><jats:italic>X</jats:italic>), where <jats:italic>X</jats:italic> is a scalar or pseudo-scalar particle. Details are given of the analysis of the 2018 data sample, which corresponds to about 80% of the total data sample.</jats:p>
Autoren
  • E Cortina Gil
  • A Kleimenova
  • E Minucci
  • S Padolski
  • P Petrov
  • A Shaikhiev
  • R Volpe
  • T Numao
  • Y Petrov
  • B Velghe
  • D Bryman
  • J Fu
  • T Husek
  • J Jerhot
  • K Kampf
  • M Zamkovsky
  • R Aliberti
  • G Khoriauli
  • J Kunze
  • D Lomidze
  • L Peruzzo
  • M Vormstein
  • R Wanke
  • P Dalpiaz
  • M Fiorini
  • I Neri
  • A Norton
  • F Petrucci
  • H Wahl
  • A Cotta Ramusino
  • A Gianoli
  • E Iacopini
  • G Latino
  • M Lenti
  • A Parenti
  • A Bizzeti
  • F Bucci
  • A Antonelli
  • G Georgiev
  • V Kozhuharov
  • G Lanfranchi
  • S Martellotti
  • M Moulson
  • T Spadaro
  • F Ambrosino
  • T Capussela
  • M Corvino
  • D Di Filippo
  • P Massarotti
  • M Mirra
  • M Napolitano
  • G Saracino
  • G Anzivino
  • F Brizioli
  • E Imbergamo
  • R Lollini
  • R Piandani
  • C Santoni
  • M Barbanera
  • P Cenci
  • B Checcucci
  • P Lubrano
  • M Lupi
  • M Pepe
  • M Piccini
  • F Costantini
  • L Di Lella
  • N Doble
  • M Giorgi
  • S Giudici
  • G Lamanna
  • E Lari
  • E Pedreschi
  • M Sozzi
  • C Cerri
  • R Fantechi
  • L Pontisso
  • F Spinella
  • I Mannelli
  • G D’Agostini
  • M Raggi
  • A Biagioni
  • E Leonardi
  • A Lonardo
  • P Valente
  • P Vicini
  • R Ammendola
  • V Bonaiuto
  • A Fucci
  • A Salamon
  • F Sargeni
  • R Arcidiacono
  • B Bloch-Devaux
  • M Boretto
  • E Menichetti
  • E Migliore
  • D Soldi
  • C Biino
  • A Filippi
  • F Marchetto
  • J Engelfried
  • N Estrada-Tristan
  • AM Bragadireanu
  • SA Ghinescu
  • OE Hutanu
  • A Baeva
  • D Baigarashev
  • D Emelyanov
  • T Enik
  • V Falaleev
  • V Kekelidze
  • A Korotkova
  • L Litov
  • D Madigozhin
  • M Misheva
  • N Molokanova
  • S Movchan
  • I Polenkevich
  • Yu Potrebenikov
  • S Shkarovskiy
  • A Zinchenko
  • S Fedotov
  • E Gushchin
  • A Khotyantsev
  • Y Kudenko
  • V Kurochka
  • M Medvedeva
  • A Mefodev
  • S Kholodenko
  • V Kurshetsov
  • V Obraztsov
  • A Ostankov
  • V Semenov
  • V Sugonyaev
  • O Yushchenko
  • L Bician
  • T Blazek
  • V Cerny
  • Z Kucerova
  • J Bernhard
  • A Ceccucci
  • H Danielsson
  • N De Simone
  • F Duval
  • B Döbrich
  • L Federici
  • E Gamberini
  • L Gatignon
  • R Guida
  • F Hahn
  • EB Holzer
  • B Jenninger
  • M Koval
  • P Laycock
  • G Lehmann Miotto
  • P Lichard
  • A Mapelli
  • R Marchevski
  • K Massri
  • M Noy
  • V Palladino
  • M Perrin-Terrin
  • J Pinzino
  • V Ryjov
  • S Schuchmann
  • S Venditti
  • T Bache
  • MB Brunetti
  • V Duk
  • V Fascianelli
  • JR Fry
  • F Gonnella
  • E Goudzovski
  • J Henshaw
  • L Iacobuzio
  • C Lazzeroni
  • N Lurkin
  • F Newson
  • C Parkinson
  • A Romano
  • A Sergi
  • A Sturgess
  • J Swallow
  • H Heath
  • R Page
  • S Trilov
  • B Angelucci
  • D Britton
  • C Graham
  • D Protopopescu
  • J Carmignani
  • JB Dainton
  • RWL Jones
  • G Ruggiero
  • L Fulton
  • D Hutchcroft
  • E Maurice
  • B Wrona
  • A Conovaloff
  • P Cooper
  • D Coward
  • P Rubin
DOI
10.1007/jhep06(2021)093
eISSN
1029-8479
Ausgabe der Veröffentlichung
6
Zeitschrift
Journal of High Energy Physics
Sprache
en
Artikelnummer
93
Online publication date
2021
Datum der Veröffentlichung
2021
Status
Published
Herausgeber
Springer Science and Business Media LLC
Herausgeber URL
http://dx.doi.org/10.1007/jhep06(2021)093
Datum der Datenerfassung
2021
Titel
Measurement of the very rare K+ → $$ {\pi}^{+}\nu \overline{\nu} $$ decay
Ausgabe der Zeitschrift
2021

Datenquelle: Crossref

Abstract
<jats:title>A<jats:sc>bstract</jats:sc> </jats:title><jats:p>The NA62 experiment reports the branching ratio measurement <jats:inline-formula><jats:alternatives><jats:tex-math>$$ \mathrm{BR}\left({K}^{+}\to {\pi}^{+}\nu \overline{\nu}\right)=\left({10.6}_{-3.4}^{+4.0}\left|{}_{\mathrm{stat}}\right.\pm {0.9}_{\mathrm{syst}}\right)\times {10}^{-11} $$</jats:tex-math><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mi>BR</mml:mi> <mml:mfenced> <mml:mrow> <mml:msup> <mml:mi>K</mml:mi> <mml:mo>+</mml:mo> </mml:msup> <mml:mo>→</mml:mo> <mml:msup> <mml:mi>π</mml:mi> <mml:mo>+</mml:mo> </mml:msup> <mml:mi>ν</mml:mi> <mml:mover> <mml:mi>ν</mml:mi> <mml:mo>¯</mml:mo> </mml:mover> </mml:mrow> </mml:mfenced> <mml:mo>=</mml:mo> <mml:mfenced> <mml:mrow> <mml:msubsup> <mml:mn>10.6</mml:mn> <mml:mrow> <mml:mo>−</mml:mo> <mml:mn>3.4</mml:mn> </mml:mrow> <mml:mrow> <mml:mo>+</mml:mo> <mml:mn>4.0</mml:mn> </mml:mrow> </mml:msubsup> <mml:mfenced> <mml:msub> <mml:mrow /> <mml:mtext>stat</mml:mtext> </mml:msub> </mml:mfenced> <mml:mo>±</mml:mo> <mml:msub> <mml:mn>0.9</mml:mn> <mml:mtext>syst</mml:mtext> </mml:msub> </mml:mrow> </mml:mfenced> <mml:mo>×</mml:mo> <mml:msup> <mml:mn>10</mml:mn> <mml:mrow> <mml:mo>−</mml:mo> <mml:mn>11</mml:mn> </mml:mrow> </mml:msup> </mml:math></jats:alternatives></jats:inline-formula> at 68% CL, based on the observation of 20 signal candidates with an expected background of 7.0 events from the total data sample collected at the CERN SPS during 2016–2018. This provides evidence for the very rare <jats:italic>K</jats:italic><jats:sup>+</jats:sup><jats:italic>→</jats:italic><jats:inline-formula><jats:alternatives><jats:tex-math>$$ {\pi}^{+}\nu \overline{\nu} $$</jats:tex-math><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msup> <mml:mi>π</mml:mi> <mml:mo>+</mml:mo> </mml:msup> <mml:mi>ν</mml:mi> <mml:mover> <mml:mi>ν</mml:mi> <mml:mo>¯</mml:mo> </mml:mover> </mml:math></jats:alternatives></jats:inline-formula> decay, observed with a significance of 3.4<jats:italic>σ</jats:italic>. The experiment achieves a single event sensitivity of (0<jats:italic>.</jats:italic>839 <jats:italic>±</jats:italic> 0<jats:italic>.</jats:italic>054) <jats:italic>×</jats:italic> 10<jats:sup><jats:italic>−</jats:italic>11</jats:sup>, corresponding to 10.0 events assuming the Standard Model branching ratio of (8<jats:italic>.</jats:italic>4 <jats:italic>±</jats:italic> 1<jats:italic>.</jats:italic>0) <jats:italic>×</jats:italic> 10<jats:sup><jats:italic>−</jats:italic>11</jats:sup>. This measurement is also used to set limits on BR(<jats:italic>K</jats:italic><jats:sup>+</jats:sup><jats:italic>→ π</jats:italic><jats:sup>+</jats:sup><jats:italic>X</jats:italic>), where <jats:italic>X</jats:italic> is a scalar or pseudo-scalar particle. Details are given of the analysis of the 2018 data sample, which corresponds to about 80% of the total data sample.</jats:p>
Autoren
  • E Cortina Gil
  • A Kleimenova
  • E Minucci
  • S Padolski
  • P Petrov
  • A Shaikhiev
  • R Volpe
  • T Numao
  • Y Petrov
  • B Velghe
  • D Bryman
  • J Fu
  • T Husek
  • J Jerhot
  • K Kampf
  • M Zamkovsky
  • R Aliberti
  • G Khoriauli
  • J Kunze
  • D Lomidze
  • L Peruzzo
  • M Vormstein
  • R Wanke
  • P Dalpiaz
  • M Fiorini
  • I Neri
  • A Norton
  • F Petrucci
  • H Wahl
  • A Cotta Ramusino
  • A Gianoli
  • E Iacopini
  • G Latino
  • M Lenti
  • A Parenti
  • A Bizzeti
  • F Bucci
  • A Antonelli
  • G Georgiev
  • V Kozhuharov
  • G Lanfranchi
  • S Martellotti
  • M Moulson
  • T Spadaro
  • F Ambrosino
  • T Capussela
  • M Corvino
  • D Di Filippo
  • P Massarotti
  • M Mirra
  • M Napolitano
  • G Saracino
  • G Anzivino
  • F Brizioli
  • E Imbergamo
  • R Lollini
  • R Piandani
  • C Santoni
  • M Barbanera
  • P Cenci
  • B Checcucci
  • P Lubrano
  • M Lupi
  • M Pepe
  • M Piccini
  • F Costantini
  • L Di Lella
  • N Doble
  • M Giorgi
  • S Giudici
  • G Lamanna
  • E Lari
  • E Pedreschi
  • M Sozzi
  • C Cerri
  • R Fantechi
  • L Pontisso
  • F Spinella
  • I Mannelli
  • G D’Agostini
  • M Raggi
  • A Biagioni
  • E Leonardi
  • A Lonardo
  • P Valente
  • P Vicini
  • R Ammendola
  • V Bonaiuto
  • A Fucci
  • A Salamon
  • F Sargeni
  • R Arcidiacono
  • B Bloch-Devaux
  • M Boretto
  • E Menichetti
  • E Migliore
  • D Soldi
  • C Biino
  • A Filippi
  • F Marchetto
  • J Engelfried
  • N Estrada-Tristan
  • AM Bragadireanu
  • SA Ghinescu
  • OE Hutanu
  • A Baeva
  • D Baigarashev
  • D Emelyanov
  • T Enik
  • V Falaleev
  • V Kekelidze
  • A Korotkova
  • L Litov
  • D Madigozhin
  • M Misheva
  • N Molokanova
  • S Movchan
  • I Polenkevich
  • Yu Potrebenikov
  • S Shkarovskiy
  • A Zinchenko
  • S Fedotov
  • E Gushchin
  • A Khotyantsev
  • Y Kudenko
  • V Kurochka
  • M Medvedeva
  • A Mefodev
  • S Kholodenko
  • V Kurshetsov
  • V Obraztsov
  • A Ostankov
  • V Semenov
  • V Sugonyaev
  • O Yushchenko
  • L Bician
  • T Blazek
  • V Cerny
  • Z Kucerova
  • J Bernhard
  • A Ceccucci
  • H Danielsson
  • N De Simone
  • F Duval
  • B Döbrich
  • L Federici
  • E Gamberini
  • L Gatignon
  • R Guida
  • F Hahn
  • EB Holzer
  • B Jenninger
  • M Koval
  • P Laycock
  • G Lehmann Miotto
  • P Lichard
  • A Mapelli
  • R Marchevski
  • K Massri
  • M Noy
  • V Palladino
  • M Perrin-Terrin
  • J Pinzino
  • V Ryjov
  • S Schuchmann
  • S Venditti
  • T Bache
  • MB Brunetti
  • V Duk
  • V Fascianelli
  • JR Fry
  • F Gonnella
  • E Goudzovski
  • J Henshaw
  • L Iacobuzio
  • C Lazzeroni
  • N Lurkin
  • F Newson
  • C Parkinson
  • A Romano
  • A Sergi
  • A Sturgess
  • J Swallow
  • H Heath
  • R Page
  • S Trilov
  • B Angelucci
  • D Britton
  • C Graham
  • D Protopopescu
  • J Carmignani
  • JB Dainton
  • RWL Jones
  • G Ruggiero
  • L Fulton
  • D Hutchcroft
  • E Maurice
  • B Wrona
  • A Conovaloff
  • P Cooper
  • D Coward
  • P Rubin
DOI
10.1007/jhep06(2021)093
eISSN
1029-8479
Ausgabe der Veröffentlichung
6
Zeitschrift
Journal of High Energy Physics
Sprache
en
Artikelnummer
93
Online publication date
2021
Datum der Veröffentlichung
2021
Status
Published
Herausgeber
Springer Science and Business Media LLC
Datum der Datenerfassung
2022
Titel
Measurement of the very rare K+ → π+νν¯¯¯ decay
Ausgabe der Zeitschrift
2021

Datenquelle: Manual

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Hat Preprint

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