Publication:
First observation of a tau neutrino charged current interaction with charm production in the OPERA experiment: OPERA Collaboration

Дата
2020
Авторы
Agafonova, N.
Aleksandrov, A.
Anokhina, A.
Aoki, S.
Polukhina, N.
Journal Title
Journal ISSN
Volume Title
Издатель
Научные группы
Организационные подразделения
OrgUnit Logo
Организационная единица
Институт ядерной физики и технологий
Цель ИЯФиТ и стратегия развития - создание и развитие научно-образовательного центра мирового уровня в области ядерной физики и технологий, радиационного материаловедения, физики элементарных частиц, астрофизики и космофизики.
Выпуск журнала
Аннотация
© 2020, The Author(s).An event topology with two secondary vertices compatible with the decay of short-lived particles was found in the analysis of neutrino interactions in the OPERA target. The observed topology is compatible with tau neutrino charged current (CC) interactions with charm production and neutrino neutral current (NC) interactions with cc¯ pair production. However, other processes can mimic this topology. A dedicated analysis was implemented to identify the underlying process. A Monte Carlo simulation was developed and complementary procedures were introduced in the kinematic reconstruction. A multivariate analysis technique was used to achieve an optimal separation of signal from background. Most likely, this event is a ντ CC interaction with charm production, the tau and charm particle decaying into 1 prong and 2 prongs, respectively. The significance of this observation is evaluated.
Описание
Ключевые слова
Цитирование
First observation of a tau neutrino charged current interaction with charm production in the OPERA experiment: OPERA Collaboration / Agafonova, N. [et al.] // European Physical Journal C. - 2020. - 80. - № 8. - 10.1140/epjc/s10052-020-8160-y
URI
https://www.doi.org/10.1140/epjc/s10052-020-8160-y
 https://www.scopus.com/record/display.uri?eid=2-s2.0-85088982354&origin=resultslist
 http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000560376300002
 https://openrepository.mephi.ru/handle/123456789/22152
Коллекции
Публикации