Publications (32)
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…
The active muon shield in the SHiP experiment
SHiP collaboration, A. Akmete, A. Alexandrov +229
The SHiP experiment is designed to search for very weakly interacting particles beyond the Standard Model which are produced in a 400 GeV/c proton beam dump at the CERN SPS. An ess…
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…
Discovery potential for directional Dark Matter detection with nuclear emulsions
N. Agafonova, A. Aleksandrov, A. Anokhina +53
Direct Dark Matter searches are nowadays one of the most fervid research topics with many experimental efforts devoted to the search for nuclear recoils induced by the scattering o…
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…
Sensitivity on Earth Core and Mantle densities using Atmospheric Neutrinos
E. Borriello, G. Mangano, A. Marotta +6
Neutrino radiography may provide an alternative tool to study the very deep structures of the Earth. Though these measurements are unable to resolve the fine density layer features…
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-…
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…
Hardware performance of a scanning system for high speed analysis of nuclear emulsions
L. Arrabito, E. Barbuto, C. Bozza +45
The use of nuclear emulsions in very large physics experiments is now possible thanks to the recent improvements in the industrial production of emulsions and to the development of…
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…
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…
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…
Future neutrino oscillation facilities
A. Blondel, A. Cervera-Villanueva, A. Donini +3
The recent discovery that neutrinos have masses opens a wide new field of experimentation. Accelerator-made neutrinos are essential in this program. Ideas for future facilities inc…
A facility to Search for Hidden Particles (SHiP) at the CERN SPS
SHiP Collaboration, M. Anelli, S. Aoki +233
A new general purpose fixed target facility is proposed at the CERN SPS accelerator which is aimed at exploring the domain of hidden particles and make measurements with tau neutri…
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…
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…
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…
Emulsion Cloud Chamber technique to measure the fragmentation of a high-energy carbon beam
G. De Lellis, S. Buontempo, F. Di Capua +13
Beams of Carbon nuclei are used or planned to be used in various centers for cancer treatment around the world because of their therapeutic advantages over proton beams. The knowle…
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…
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…
NEWS: Nuclear Emulsions for WIMP Search
A. Aleksandrov, A. Anokhina, T. Asada +56
Nowadays there is compelling evidence for the existence of dark matter in the Universe. A general consensus has been expressed on the need for a directional sensitive detector to c…
Electron/pion separation with an Emulsion Cloud Chamber by using a Neural Network
L. Arrabito, D. Autiero, C. Bozza +46
We have studied the performance of a new algorithm for electron/pion separation in an Emulsion Cloud Chamber (ECC) made of lead and nuclear emulsion films. The software for separat…
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…
Measurement of charm production in neutrino charged-current interactions
A. Kayis-Topaksu, G. Ãnengüt, 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…
Intrinsic neutron background of nuclear emulsions for directional Dark Matter searches
A. Alexandrov, T. Asada, A. Buonaura +24
Recent developments of the nuclear emulsion technology led to the production of films with nanometric silver halide grains suitable to track low energy nuclear recoils with submicr…
The MURAVES experiment: study of the Vesuvius Great Cone with Muon Radiography
M. D'Errico, F. Ambrosino, A. Anastasio +28
The MURAVES experiment aims at the muographic imaging of the internal structure of the summit of Mt. Vesuvius, exploiting muons produced by cosmic rays. Though presently quiescent,…
Heavy quark studies with nuclear emulsions
G. De Lellis, P. Migliozzi, P. Strolin
Emulsions have started particle physics with the discovery of natural radioactivity by Becquerel in 1896. The development of the ``nuclear emulsions'' made it possible to detect tr…
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…
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…
Track reconstruction in the emulsion-lead target of the OPERA experiment using the ESS microscope
L. Arrabito, C. Bozza, S. Buontempo +44
The OPERA experiment, designed to conclusively prove the existence of oscillations in the atmospheric sector, makes use of a massive lead-nuclear emulsion targ…
Detectors and flux instrumentation for future neutrino facilities
T. Abe, H. Aihara, C. Andreopoulos +66
This report summarises the conclusions from the detector group of the International Scoping Study of a future Neutrino Factory and Super-Beam neutrino facility. The baseline detect…
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…