CERN Accelerating science

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1.
Alignment methods for the OPERA drift tube detector / Büttner, B (Hamburg U.) ; Ebert, J (Hamburg U.) ; Ferber, T (Hamburg U. ; DESY) ; Göllnitz, C (Hamburg U.) ; Goloubkov, D (Moscow, ITEP) ; Hagner, C (Hamburg U.) ; Hierholzer, M (Hamburg U. ; Bern U., LHEP) ; Hollnagel, A (Hamburg U.) ; Lenkeit, J (Hamburg U.) ; Rostovtseva, I (Moscow, ITEP) et al.
The goal of the OPERA experiment is to give the first direct evidence for neutrino oscillations in the channel νμ→ντ . The OPERA detector is designed to observe the appearance of tau neutrinos in the originally pure muon neutrino CNGS beam. [...]
2014 - 6 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 747 (2014) 56-61
2.
Discovery of tau neutrino appearance in the CNGS neutrino beam with the OPERA experiment / OPERA Collaboration
The OPERA experiment was designed to search for $\nu_{\mu} \rightarrow \nu_{\tau}$ oscillations in appearance mode, i.e. by detecting the $\tau$-leptons produced in charged current $\nu_{\tau}$ interactions. [...]
arXiv:1507.01417.- 2015-09-17 - 7 p. - Published in : Phys. Rev. Lett. 115 (2015) 121802 Fulltext: PDF; External links: Interactions.org article; Symmetry Magazine article
3.
Limits on muon-neutrino to tau-neutrino oscillations induced by a sterile neutrino state obtained by OPERA at the CNGS beam / OPERA Collaboration
The OPERA experiment, exposed to the CERN to Gran Sasso $\nu_\mu$ beam, collected data from 2008 to 2012. Four oscillated $\nu_\tau$ Charged Current interaction candidates have been detected in appearance mode, which are consistent with $\nu_\mu \to \nu_\tau$ oscillations at the atmospheric $\Delta m^2$ within the "standard" three-neutrino framework. [...]
arXiv:1503.01876.- 2015-06-11 - 11 p. Article from SCOAP3: PDF; Fulltext: PDF; External link: Preprint
4.
Observation of nu_tau appearance in the CNGS beam with the OPERA experiment / OPERA Collaboration
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. [...]
arXiv:1407.3513.- 2014-10-27 - 10 p. - Published in : Prog. Theor. Exp. Phys. 2014 (2014) 101C01 Article from SCOAP3: PDF; Fulltext: PDF; External link: Preprint
5.
The Angular Matching Method for the Muon Charge Sign Measurement in the OPERA Experiment / OPERA Collaboration
The long baseline neutrino oscillation experiment OPERA is searching for $\nu_{\tau}$ appearance in the CNGS beam of $\nu_{\mu}$. The task of the two muon spectrometers of the OPERA detector is to clarify the signature of a muonic $\tau$ decay ($\mu^{-}$) and to reduce background originating from charmed particles produced in $\nu_{\mu}$ interactions ($\mu^{+}$). [...]
arXiv:1404.5933.- 2016-07-25 - 10 p. - Published in : JINST 11 (2016) P07022 Fulltext: PDF; External link: Preprint
6.
Procedure for short-lived particle detection in the OPERA experiment and its application to charm decays / OPERA Collaboration
The OPERA experiment, designed to perform the first observation of $\nu_\mu \rightarrow \nu_\tau$ oscillations in appearance mode through the detection of the $\tau$ leptons produced in $\nu_\tau$ charged current interactions, has collected data from 2008 to 2012. In the present paper, the procedure developed to detect $\tau$ particle decays, occurring over distances of the order of 1 mm from the neutrino interaction point, is described in detail. [...]
arXiv:1404.4357.- 2014-08-07 - 9 p. - Published in : Eur. Phys. J. C 74 (2014) 2986 Article from SCOAP3: PDF; Fulltext: PDF; Springer Open Access article: PDF; External link: Preprint
7.
Measurement of TeV atmospheric muon charge ratio with the full OPERA data / OPERA Collaboration
The OPERA detector, designed to search for ν μ → ν τ oscillations in the CNGS beam, is located in the underground Gran Sasso laboratory, a privileged location to study TeV-scale cosmic rays. For the analysis here presented, the detector was used to measure the atmospheric muon charge ratio in the TeV region [...]
arXiv:1403.0244.- 2014-07-02 - 9 p. Article from SCOAP3: PDF; Fulltext: PDF;
8.
Evidence for $\nu_\mu \to \nu_\tau$ appearance in the CNGS neutrino beam with the OPERA experiment / OPERA Collaboration
The OPERA experiment is designed to search for $\nu_{\mu} \rightarrow \nu_{\tau}$ oscillations in appearance mode i.e. through the direct observation of the $\tau$ lepton in $\nu_{\tau}$ charged current interactions. [...]
arXiv:1401.2079.- 2014-03-05 - 6 p. - Published in : Phys. Rev. D 89 (2014) 051102 Fulltext: PDF; External link: Preprint
9.
New results on $\nu_\mu \to \nu_\tau$ appearance with the OPERA experiment in the CNGS beam / OPERA Collaboration
The OPERA neutrino experiment is designed to perform the first observation of neutrino oscillations in direct appearance mode in the $\nu_\mu \to \nu_\tau$ channel, via the detection of the $\tau$-leptons created in charged current $\nu_\tau$ interactions. The detector, located in the underground Gran Sasso Laboratory, consists of an emulsion/lead target with an average mass of about 1.2 kt, complemented by electronic detectors. [...]
arXiv:1308.2553.- 2013 - 32 p.
Article from SCOAP3: PDF; Fulltext: PDF; External link: Preprint
10.
Determination of a time-shift in the OPERA set-up using high energy horizontal muons in the LVD and OPERA detectors / LVD and OPERA Collaborations
The purpose of this work is to report the measurement of a time-shift in the OPERA set-up in a totally independent way from Time Of Flight (TOF) measurements of CNGS neutrino events. The LVD and OPERA experiments are both installed in the same laboratory: LNGS. [...]
arXiv:1206.2488.- 2012 - 21 p. - Published in : Eur. Phys. J. Plus 127 (2012) 71 Fulltext: PDF; External link: Preprint

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1 Büttner, B
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