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A direct test of time-reversal symmetry in the neutral K meson system with and at KLOE-2

2014
journal article
conference proceedings
10.1051/epjconf/20148103004
Journal
EPJ Web of Conferences
Author
Gajos Aleksander
Volume
81
Institution
KLOE-2 Collaboration
Title of volume
MESON 2014 : 13th International Workshop on Production, Properties and Interaction of Mesons, Cracow, Poland, 29 May-3 June, 2014
Article ID
03004
ISSN
2101-6275
eISSN
2100-014X
Language
English
Journal language
English
Abstract in English

Quantum entanglement of K and B mesons allows for a direct experimental test of time-reversal symmetry independent of CP violation. The T symmetry can be probed by exchange of initial and final states in the reversible transitions between flavor and CP- definite states of the mesons which are only connected by the T conjugation. While such a test was successfully performed by the BaBar experiment with neutral B mesons, the KLOE-2 detector can probe T -violation in the neutral kaons system by investigating the process with and decays. Analysis of the latter is facilitated by a novel reconstruction method for the vertex of decay which only involves neutral particles. Details of this new vertex reconstruction technique are presented as well as prospects for conducting the direct T symmetry test at the KLOE-2 experiment.

Conference
MESON 2014 – 13th International Workshop on Production, Properties and Interaction of Mesons
Conference start date
2014-05-29
End date conference
2014-06-03
Conference city
Kraków
Conference country
Polska
Conference type
international
Affiliation
Wydział Fizyki, Astronomii i Informatyki Stosowanej : Instytut Fizyki im. Mariana Smoluchowskiego
Scopus© citations
1
dc.abstract.enQuantum entanglement of K and B mesons allows for a direct experimental test of time-reversal symmetry independent of CP violation. The T symmetry can be probed by exchange of initial and final states in the reversible transitions between flavor and CP- definite states of the mesons which are only connected by the T conjugation. While such a test was successfully performed by the BaBar experiment with neutral B mesons, the KLOE-2 detector can probe T -violation in the neutral kaons system by investigating the process with $K_{S} \rightarrow \pi ^{\pm }l^{\mp }\nu _{l}$ and $K_{L}\rightarrow 3\pi ^{0}$ decays. Analysis of the latter is facilitated by a novel reconstruction method for the vertex of $K_{L}\rightarrow 3\pi ^{0}$ decay which only involves neutral particles. Details of this new vertex reconstruction technique are presented as well as prospects for conducting the direct T symmetry test at the KLOE-2 experiment.pl
dc.affiliationWydział Fizyki, Astronomii i Informatyki Stosowanej : Instytut Fizyki im. Mariana Smoluchowskiegopl
dc.conferenceMESON 2014 – 13th International Workshop on Production, Properties and Interaction of Mesons
dc.conference.cityKraków
dc.conference.countryPolska
dc.conference.datefinish2014-06-03
dc.conference.datestart2014-05-29
dc.conference.indexscopustrue
dc.conference.indexwostrue
dc.contributor.authorGajos, Aleksander - 164087 pl
dc.contributor.institutionKLOE-2 Collaborationpl
dc.date.accessioned2015-06-10T18:00:14Z
dc.date.available2015-06-10T18:00:14Z
dc.date.issued2014pl
dc.date.openaccess0
dc.description.accesstimew momencie opublikowania
dc.description.conftypeinternationalpl
dc.description.versionostateczna wersja wydawcy
dc.description.volume81pl
dc.identifier.articleid03004pl
dc.identifier.doi10.1051/epjconf/20148103004pl
dc.identifier.eissn2100-014Xpl
dc.identifier.issn2101-6275pl
dc.identifier.projectROD UJ / Ppl
dc.identifier.urihttp://ruj.uj.edu.pl/xmlui/handle/item/9291
dc.languageengpl
dc.language.containerengpl
dc.rightsUdzielam licencji. Uznanie autorstwa 4.0 Międzynarodowa*
dc.rights.licenceCC-BY
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/legalcode.pl*
dc.share.typeotwarte czasopismo
dc.subtypeConferenceProceedingspl
dc.titleA direct test of time-reversal symmetry in the neutral K meson system with $K_{S} \rightarrow \pi \ell\nu$ and $K_{L} \rightarrow 3\pi^{0}$ at KLOE-2pl
dc.title.journalEPJ Web of Conferencespl
dc.title.volumeMESON 2014 : 13th International Workshop on Production, Properties and Interaction of Mesons, Cracow, Poland, 29 May-3 June, 2014pl
dc.typeJournalArticlepl
dspace.entity.typePublication
dc.abstract.enpl
Quantum entanglement of K and B mesons allows for a direct experimental test of time-reversal symmetry independent of CP violation. The T symmetry can be probed by exchange of initial and final states in the reversible transitions between flavor and CP- definite states of the mesons which are only connected by the T conjugation. While such a test was successfully performed by the BaBar experiment with neutral B mesons, the KLOE-2 detector can probe T -violation in the neutral kaons system by investigating the process with $K_{S} \rightarrow \pi ^{\pm }l^{\mp }\nu _{l}$ and $K_{L}\rightarrow 3\pi ^{0}$ decays. Analysis of the latter is facilitated by a novel reconstruction method for the vertex of $K_{L}\rightarrow 3\pi ^{0}$ decay which only involves neutral particles. Details of this new vertex reconstruction technique are presented as well as prospects for conducting the direct T symmetry test at the KLOE-2 experiment.
dc.affiliationpl
Wydział Fizyki, Astronomii i Informatyki Stosowanej : Instytut Fizyki im. Mariana Smoluchowskiego
dc.conference
MESON 2014 – 13th International Workshop on Production, Properties and Interaction of Mesons
dc.conference.city
Kraków
dc.conference.country
Polska
dc.conference.datefinish
2014-06-03
dc.conference.datestart
2014-05-29
dc.conference.indexscopus
true
dc.conference.indexwos
true
dc.contributor.authorpl
Gajos, Aleksander - 164087
dc.contributor.institutionpl
KLOE-2 Collaboration
dc.date.accessioned
2015-06-10T18:00:14Z
dc.date.available
2015-06-10T18:00:14Z
dc.date.issuedpl
2014
dc.date.openaccess
0
dc.description.accesstime
w momencie opublikowania
dc.description.conftypepl
international
dc.description.version
ostateczna wersja wydawcy
dc.description.volumepl
81
dc.identifier.articleidpl
03004
dc.identifier.doipl
10.1051/epjconf/20148103004
dc.identifier.eissnpl
2100-014X
dc.identifier.issnpl
2101-6275
dc.identifier.projectpl
ROD UJ / P
dc.identifier.uri
http://ruj.uj.edu.pl/xmlui/handle/item/9291
dc.languagepl
eng
dc.language.containerpl
eng
dc.rights*
Udzielam licencji. Uznanie autorstwa 4.0 Międzynarodowa
dc.rights.licence
CC-BY
dc.rights.uri*
http://creativecommons.org/licenses/by/4.0/legalcode.pl
dc.share.type
otwarte czasopismo
dc.subtypepl
ConferenceProceedings
dc.titlepl
A direct test of time-reversal symmetry in the neutral K meson system with $K_{S} \rightarrow \pi \ell\nu$ and $K_{L} \rightarrow 3\pi^{0}$ at KLOE-2
dc.title.journalpl
EPJ Web of Conferences
dc.title.volumepl
MESON 2014 : 13th International Workshop on Production, Properties and Interaction of Mesons, Cracow, Poland, 29 May-3 June, 2014
dc.typepl
JournalArticle
dspace.entity.type
Publication

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