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Sökning: onr:20187197 > Beam-induced and co...

  • Aad, G. (författare)

Beam-induced and cosmic-ray backgrounds observed in the ATLAS detector during the LHC 2012 proton-proton running period [Elektronisk resurs]

  • E-artikel/E-kapitelEngelska2016

Förlag, utgivningsår, omfång ...

  • 2016

Nummerbeteckningar

  • LIBRIS-ID:20187197
  • http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-299643uri
  • urn:nbn:se:uu:diva-299643urn
  • 10.1088/1748-0221/11/05/P05013doi

Kompletterande språkuppgifter

  • Språk:engelska

Ingår i deldatabas

Anmärkningar

  • <p>ATLAS Collaboration, for complete list of authors see http://dx.doi.org/10.1088/1748-0221/11/05/P05013</p><p>Funding: We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWFW and FWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; CONICYT, Chile; CAS, MOST and NSFC, China; COLCIENCIAS, Colombia; MSMT CR, MPO CR and VSC CR, Czech Republic; DNRF and DNSRC, Denmark; IN2P3-CNRS, CEA-DSM/IRFU, France; GNSF, Georgia; BMBF, HGF, and MPG, Germany; GSRT, Greece; RGC, Hong Kong SAR, China; ISF, I-CORE and Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST, Morocco; FOM and NWO, Netherlands; RCN, Norway; MNiSW and NCN, Poland; FCT, Portugal; MNE/IFA, Romania; MES of Russia and NRC KI, Russian Federation; JINR; MESTD, Serbia; MSSR, Slovakia; ARRS and MIZS, Slovenia; DST/NRF, South Africa; MINECO, Spain; SRC and Wallenberg Foundation, Sweden; SERI, SNSF and Cantons of Bern and Geneva, Switzerland; MOST, Taiwan; TAEK, Turkey; STFC, United Kingdom; DOE and NSF, United States of America. In addition, individual groups and members have received support from BCKDF, the Canada Council, CANARIE, CRC, Compute Canada, FQRNT, and the Ontario Innovation Trust, Canada; EPLANET, ERC, FP7, Horizon 2020 and Marie Sklodowska-Curie Actions, European Union; Investissements d'Avenir Labex and Idex, ANR, Region Auvergne and Fondation Partager le Savoir, France; DFG and AvH Foundation, Germany; Herakleitos, Thales and Aristeia programmes co-financed by EU-ESF and the Greek NSRF; BSF, GIF and Minerva, Israel; BRF, Norway; Generalitat de Catalunya, Generalitat Valenciana, Spain; the Royal Society and Leverhulme Trust, United Kingdom.</p>
  • Published
  • gratis
  • This paper discusses various observations on beam-induced and cosmic-ray backgrounds in the ATLAS detector during the LHC 2012 proton-proton run. Building on published results based on 2011 data, the correlations between background and residual pressure of the beam vacuum are revisited. Ghost charge evolution over 2012 and its role for backgrounds are evaluated. New methods to monitor ghost charge with beam-gas rates are presented and observations of LHC abort gap population by ghost charge are discussed in detail. Fake jets from colliding bunches and from ghost charge are analysed with improved methods, showing that ghost charge in individual radio-frequency buckets of the LHC can be resolved. Some results of two short periods of dedicated cosmic-ray background data-taking are shown; in particular cosmic-ray muon induced fake jet rates are compared to Monte Carlo simulations and to the fake jet rates from beam background. A thorough analysis of a particular LHC fill, where abnormally high background was observed, is presented. Correlations between backgrounds and beam intensity losses in special fills with very high beta* are studied.

Ämnesord och genrebeteckningar

Biuppslag (personer, institutioner, konferenser, titlar ...)

  • Bergeås, Elin Kuutmann (författare)
  • Brenner, Richard (författare)
  • Ekelöf, Tord (författare)
  • Ellert, Mattias (författare)
  • Ferrari, Arnaud (författare)
  • Isaksson, Charlie (författare)
  • Madsen, Alexander (författare)
  • Öhman, Henrik (författare)
  • Pelikan, Daniel (författare)
  • Rangel-Smith, Camilla (författare)
  • Rangel-Smith, Camila (författare)
  • Zwalinski, L. (författare)
  • Uppsala universitetTeknisk-naturvetenskapliga vetenskapsområdet (utgivare)

Sammanhörande titlar

  • Del av/supplement till:channel record
  • Ingår i:VärdpublikationJournal of Instrumentation111748-0221

Internetlänk

Länkade data-URI:er (test)

  • 264446 (Naturvetenskap hsv)
  • 274895 (Fysik hsv)
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