papers

Publications (20)

hep-ex2020

First observation of a tau neutrino charged current interaction with charm production in the Opera experiment

N. Agafonova, A. Alexandrov, A. Anokhina +124

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 observe…

hep-ex2014

Evidence for appearance in the CNGS neutrino beam with the OPERA experiment

N. Agafonova, A. Aleksandrov, A. Anokhina +168

The OPERA experiment is designed to search for oscillations in appearance mode i.e. through the direct observation of the lepton in charged c…

hep-ex2019

Final results on neutrino oscillation parameters from the OPERA experiment in the CNGS beam

OPERA Collaboration, N. Agafonova, A. Alexandrov +124

The OPERA experiment has conclusively observed the appearance of tau neutrinos in the muon neutrino CNGS beam. Exploiting the OPERA detector capabilities, it was possible to isolat…

hep-ex2023

Updated constraints on sterile neutrino mixing in the OPERA experiment using a new identification method

N. Agafonova, A. Alexandrov, A. Anokhina +123

This paper describes a new identification method specifically designed to improve the low-energy () identification efficiency attained by enlargin…

hep-ex2014

Procedure for short-lived particle detection in the OPERA experiment and its application to charm decays

N. Agafonova, A. Anokhina, S. Aoki +135

The OPERA experiment, designed to perform the first observation of oscillations in appearance mode through the detection of the leptons produced in $Î…

hep-ex2014

Measurement of TeV atmospheric muon charge ratio with the full OPERA data

N. Agafonova, A. Anokhina, S. Aoki +134

The OPERA detector, designed to search for oscillations in the CNGS beam, is located in the underground Gran Sasso laboratory, a privileged location to study TeV-…

hep-ex2014

Observation of nu_tau appearance in the CNGS beam with the OPERA experiment

OPERA Collaboration, N. Agafonova, A. Aleksandrov +145

The OPERA experiment is searching for nu_mu -> nu_tau oscillations in appearance mode i.e. via the direct detection of tau leptons in nu_tau charged current interactions. The evide…

physics.ins-det2016

Determination of the muon charge sign with the dipolar spectrometers of the OPERA experiment

OPERA Collaboration, N. Agafonova, A. Aleksandrov +141

The OPERA long-baseline neutrino-oscillation experiment has observed the direct appearance of in the CNGS beam. Two large muon magnetic spectrometers are used to id…

hep-ex2012

Measurement of the neutrino velocity with the OPERA detector in the CNGS beam

The OPERA Collaboration, T. Adam, N. Agafonova +188

The OPERA neutrino experiment at the underground Gran Sasso Laboratory has measured the velocity of neutrinos from the CERN CNGS beam over a baseline of about 730 km. The measureme…

hep-ex2013

New results on appearance with the OPERA experiment in the CNGS beam

OPERA Collaboration, N. Agafonova, A. Aleksandrov +167

The OPERA neutrino experiment is designed to perform the first observation of neutrino oscillations in direct appearance mode in the channel, via the detection of…

hep-ex2015

Limits on muon-neutrino to tau-neutrino oscillations induced by a sterile neutrino state obtained by OPERA at the CNGS beam

OPERA Collaboration, N. Agafonova, A. Aleksandrov +128

The OPERA experiment, exposed to the CERN to Gran Sasso beam, collected data from 2008 to 2012. Four oscillated Charged Current interaction candidates have been det…

hep-ex2018

Latest results of the OPERA experiment on nu-tau appearance in the CNGS neutrino beam

N. Agafonova, A. Alexandrov, A. Anokhina +132

OPERA is a long-baseline experiment designed to search for oscillations in appearance mode. It was based at the INFN Gran Sasso laboratory (LNGS) and took data from…

hep-ex2012

Measurement of the neutrino velocity with the OPERA detector in the CNGS beam using the 2012 dedicated data

The OPERA Collaboration, T. Adam, N. Agafonova +168

In spring 2012 CERN provided two weeks of a short bunch proton beam dedicated to the neutrino velocity measurement over a distance of 730 km. The OPERA neutrino experiment at the u…

hep-ex2011

Measurement of charm production in neutrino charged-current interactions

A. Kayis-Topaksu, G. Önengüt, R. van Dantzig +85

The nuclear emulsion target of the CHORUS detector was exposed to the wide-band neutrino beam of the CERN SPS of 27 GeV average neutrino energy from 1994 to 1997. In total about 10…

hep-ex2015

Discovery of tau neutrino appearance in the CNGS neutrino beam with the OPERA experiment

OPERA Collaboration, N. Agafonova, A. Aleksandrov +139

The OPERA experiment was designed to search for oscillations in appearance mode, i.e. by detecting the -leptons produced in charged current in…

hep-ex2010

Measurement of the atmospheric muon charge ratio with the OPERA detector

OPERA Collaboration, N. Agafonova, A. Anokhina +182

The OPERA detector at the Gran Sasso underground laboratory (LNGS) was used to measure the atmospheric muon charge ratio in the TeV energy region. We analyzed 403069 atmospheric mu…

hep-ex2018

Final results of the search for oscillations with the OPERA detector in the CNGS beam

OPERA Collaboration, N. Agafonova, A. Aleksandrov +130

The OPERA experiment has discovered the tau neutrino appearance in the CNGS muon neutrino beam, in agreement with the 3 neutrino flavour oscillation hypothesis. The OPERA neutrino…

hep-ex2018

Measurement of the cosmic ray muon flux seasonal variation with the OPERA detector

N. Agafonova, A. Alexandrov, A. Anokhina +125

The OPERA experiment discovered muon neutrino into tau neutrino oscillations in appearance mode, detecting tau leptons by means of nuclear emulsion films. The apparatus was also en…

hep-ex2018

Final results of the OPERA experiment on appearance in the CNGS beam

OPERA Collaboration, N. Agafonova, A. Alexandrov +134

The OPERA experiment was designed to study oscillations in appearance mode in the CNGS neutrino beam. In this letter we report the final analysis of the full data s…

hep-ex2013

Search for oscillations with the OPERA experiment in the CNGS beam

OPERA collaboration, N. Agafonova, A. Aleksandrov +161

A first result of the search for \numu \nue oscillations in the OPERA experiment, located at the Gran Sasso Underground Laboratory, is presented. The experiment looke…