CERN Accelerating science

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1.
First events from the CNGS neutrino beam detected in the OPERA experiment / OPERA Collaboration
The OPERA neutrino detector at the underground Gran Sasso Laboratory (LNGS) was designed to perform the first detection of neutrino oscillations in appearance mode, through the study of nu_mu to nu_tau oscillations. The apparatus consists of a lead/emulsion-film target complemented by electronic detectors. [...]
hep-ex/0611023.- 2006 - 12 p. - Published in : New J. Phys. 8 (2006) 303 Fulltext: arXiv:hep-ex_0611023 - PDF; njp6_12_303 - PDF; External link: Fulltext
2.
The detection of neutrino interactions in the emulsion/lead target of the OPERA experiment / Agafonova, N. (Moscow, INR) ; Anokhina, A. (SINP, Moscow) ; Aoki, S. (Kobe U.) ; Ariga, A. (Bern U., LHEP) ; Ariga, T. (Bern U., LHEP) ; Arrabito, L. (Lyon, IPN) ; Autiero, D. (Lyon, IPN) ; Badertscher, A. (Zurich, ETH) ; Bagulya, A. (Lebedev Inst.) ; Bersani Greggio, F. (Frascati) et al.
The OPERA neutrino detector in the underground Gran Sasso Laboratory (LNGS) was designed to perform the first detection of neutrino oscillations in appearance mode through the study of $\nu_\mu\to\nu_\tau$ oscillations. The apparatus consists of an emulsion/lead target complemented by electronic detectors and it is placed in the high energy long-baseline CERN to LNGS beam (CNGS) 730 km away from the neutrino source. [...]
arXiv:0903.2973.- 2009 - 17 p. - Published in : JINST 4 (2009) P06020 Fulltext: PDF; SISSA/IOP Open Access article : PDF; External link: Preprint
3.
Observation of a first $\nu_\tau$ candidate event in the OPERA experiment in the CNGS beam / OPERA Collaboration
The OPERA neutrino detector in the underground Gran Sasso Laboratory (LNGS) has been designed to perform the first detection of neutrino oscillations in direct appearance mode through the study of the $\nu_\mu\rightarrow\nu_\tau$ channel. The hybrid apparatus consists of an emulsion/lead target complemented by electronic detectors and it is placed in the high energy long-baseline CERN to LNGS beam (CNGS) 730 km away from the neutrino source. [...]
arXiv:1006.1623.- 2010 - 19 p. - Published in : Phys. Lett. B 691 (2010) 138-145 Fulltext: arXiv:1006.1623 - PDF; S0370269310007537 - XML; External link: Interactions.org article
4.
Measurement of the neutrino velocity with the OPERA detector in the CNGS beam / OPERA Collaboration
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 with much higher accuracy than previous studies conducted with accelerator neutrinos. The measurement is based on high-statistics data taken by OPERA in the years 2009, 2010 and 2011. [...]
arXiv:1109.4897.- 2012 - 24 p. - Published in : JHEP 10 (2012) 093 Fulltext: PDF; Springer Open Access article: PDF; External links: Interactions.org article; Press Release; Nautilus article
5.
Measurement of the neutrino velocity with the OPERA detector in the CNGS beam using the 2012 dedicated data / OPERA Collaboration
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 underground Gran Sasso Laboratory used an upgraded setup compared to the 2011 measurements, improving the measurement time accuracy. [...]
arXiv:1212.1276.- 2013 - 14 p. - Published in : JHEP 01 (2013) 153 Fulltext: PDF; Springer Open Access article: PDF; External link: Preprint
6.
Midrapidity antiproton-to-proton ratio in pp collisions at $\sqrt{s} = 0.9$ and $7$~TeV measured by the ALICE experiment / ALICE collaboration
The ratio of the yields of antiprotons to protons in pp collisions has been measured by the ALICE experiment at $\sqrt{s} = 0.9$ and $7$~TeV during the initial running periods of the Large Hadron Collider(LHC). The measurement covers the transverse momentum interval $0.45 < p_{\rm{t}} < 1.05$~GeV/$c$ and rapidity $|y| < 0.5$. [...]
arXiv:1006.5432.- 2010 - 12 p. - Published in : Phys. Rev. Lett. 105 (2010) 072002 APS Open Access article: PDF; Fulltext: PDF; External link: DURHAM
7.
A Measurement of the Tau Topological Branching Ratios / DELPHI Collaboration
Using data collected in the DELPHI detector at LEP-1, measurements of the inclusive tau branching ratios for decay modes containing one, three, or five charged particles have been performed, giving the following results: B_1 = B(\tau^- -> (particle)^- \geq 0pi^0 \geq 0K^0 \nu_\tau(\bar{\nu})) = (85.316 +/- 0.093 +/- 0.049)%; B_3 = B(\tau^- -> 2h^-h^+ \geq 0pi^0 \geq 0K^0 \nu_\tau) = (14.569 +/- 0.093 +/- 0.048)%; B_5 = B(\tau^- -> 3h^-2h^+ \geq 0pi^0 \geq 0K^0 \nu_\tau) = (0.115 +/- 0.013 +/- 0.006)%, where h is either a charged pi or K meson. The first quoted uncertainties are statistical and the second systematic..
hep-ex/0105047; CERN-EP-2001-030; CERN-DELPHI-2001-091-CONF-519; CERN-EP-2001-030; DELPHI-2001-091-CONF-519.- Geneva : CERN, 2001 - 32 p. - Published in : Eur. Phys. J. C 20 (2001) 617-637 Fulltext: 0105047 - PDF; arXiv:hep-ex_0105047 - PDF; External link: Preprint - Please contact the library if you need to access this document.
8.
Photon Events with Missing Energy in $e^{+}e^{-}$ Collisions at $\sqrt{s}$ = 130 to 209 GeV / DELPHI Collaboration
The production of single- and multi-photon events has been studied in the reaction e+e- -> gamma (gamma) + invisible particles. The data collected with the DELPHI detector during the years 1999 and 2000 at centre-of-mass energies between 191 GeV and 209 GeV was combined with earlier data to search for phenomena beyond the Standard Model. [...]
hep-ex/0406019; CERN-EP-2003-093; CERN-EP-2003-093.- Geneva : CERN, 2005 - 33 p. - Published in : Eur. Phys. J. C 38 (2005) 395-411 Fulltext: arXiv:hep-ex_0406019 - PDF; 0406019 - PDF; External link: Preprint - Please contact the library if you need to access this document.
9.
Study of Triple-Gauge-Boson Couplings ZZZ, ZZ$\gamma$ and Z$\gamma\gamma$ at LEP / DELPHI Collaboration
Neutral triple-gauge-boson couplings ZZZ, ZZgam and Zgamgam have been studied with the DELPHI detector using data at energies between 183 and 208 GeV. Limits are derived on these couplings from an analysis of the reactions e+e- -> Zgam, using data from the final states gamma f fbar, with f = q or neutrino, from e+e- -> ZZ, using data from the four-fermion final states q qbar q qbar, q qbar mu+ mu-, q qbar e+ e-, q qbar nu nubar, mu+ mu- nu nubar and e+ e- nu nubar, and from e+e- -> Zgam*, in which the final state gamma is off mass-shell, using data from the four-fermion final states q qbar e+ e- and q qbar mu+ mu-. [...]
arXiv:0706.2741; HEP-PH-EP-2006-008; CERN-PH-EP-2006-008.- Geneva : CERN, 2007 - 29 p. - Published in : Eur. Phys. J. C 51 (2007) 525-542 Fulltext: PDF; External link: Fulltext
10.
Search for $\nu_\mu \rightarrow \nu_e$ oscillations with the OPERA experiment in the CNGS beam / OPERA collaboration
A first result of the search for \numu $\rightarrow$ \nue oscillations in the OPERA experiment, located at the Gran Sasso Underground Laboratory, is presented. The experiment looked for the appearance of \nue in the CNGS neutrino beam using the data collected in 2008 and 2009. [...]
arXiv:1303.3953.- 2013 - 3 p. Fulltext: PDF; External link: Preprint

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