CERN Accelerating science


Последние добавления:
RF Measurements of the New TOTEM Roman Pot / Berrig, O ; Biancacci, N ; Caspers, F ; Danisi, A ; Eberhardt, J ; Kuczerowski, J ; Minafra, N ; Salvant, B ; Vollinger, C
The TOTEM experiment has been designed to measure the total proton-proton cross section and to study the elastic and diffractive scattering at the LHC energy. [...]
- 2015. - 17 p.
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LHC Optics Measurement with Proton Tracks Detected by the Roman Pots of the TOTEM Experiment / Nemes, Frigyes J (Wigner Research Centre for Physics, RMKI, Budapest, Hungary; and Department of Atomic Physics, ELTE University, Budapest, Hungary.) ; Niewiadomski, Hubert (Case Western Reserve University, Dept. of Physics, Cleveland, OH, USA.)
Precise knowledge of the beam optics at the LHC is crucial to fulfill the physics goals of the TOTEM experiment, where the kinematics of the scattered protons is reconstructed with the near-beam telescopes – so-called Roman Pots (RP). [...]
- 2015. - 27 p.
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CMS-TOTEM feasibility studies for single diffractive Z, W, J/ψ and central exclusive dijet production in pp collisions at \sqrt(s) = 13 TeV / CMS, Collaboration ; TOTEM, Collaboration
Feasibility studies for the measurement of single-diffractive Z or W boson production in the electron and muon channels, J/ψ production in the muon decay channel and central exclusive dijet production, in proton-proton (pp) collisions with the Compact Muon Solenoid (CMS) and TOTal Elastic and diffractive cross section Measurement (TOTEM) experiments are presented. [...]
CERN-TOTEM-NOTE-2014-002 ; CMS-PAS-FSQ-14-001.
- 2014.
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Performance studies of the Roman Pot timing detectors in the forward region of the IP5 at LHC / Berretti, M (CERN)
The detection of Central Diffractive (CD) events at high luminosity requires the measurement the time of flight of the leading protons in order to resolve the pileup contribution and reduce the beam-beam background. [...]
- 2014. - 22 p.
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RF Characterization of the New TOTEM Roman Pot / Minafra, Nicola (U. Bari (main) ; INFN, Bari)
The aim of the present work is the optimization of the Roman Pot (RP) design to minimize the beam-coupling impedance, in particular when the RP is inserted very close to the beam. [...]
- 2013. - 13 p.
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Geant4 simulations for the TOTEM upgrade program / Nemes, F (Wigner RCP, Budapest)
The TOTEM physics goals require the installation of new cylindrical shaped Roman Pots, which are radiofrequency optimized and are able to house timing detectors. [...]
- 2013. - 19 p.
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Measurement of the forward charged particle pseudorapidity density in pp collisions at sqrt(s) = 8 TeV / TOTEM, Collaboration
The TOTEM experiment has measured the pseudorapidity density of charged particles with transverse momentum above 40 MeV/c in pp collisions at sqrt(s) = 8 TeV for 5.3 < |eta| < 6.4 in a low intensity run with common data taking with the CMS experiment. [...]
- 2013. - 12 p.
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The FLUKA geometry of the TOTEM Roman Pot detector system at the LHC (Version 2012) / Boccone, V (CERN) ; Ravotti, F (CERN)
During the design phase of the TOTEM experiment, several Roman Pot detector models were simulated in FLUKA to address radiation damage and radiation protection issues as well as to define specific accidental scenarios involving beam losses in the Roman Pot components. [...]
- 2012. - 12 p.
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Beam-induced heating in the TOTEM Roman Pot detectors at the LHC / Ravotti, F (CERN)
During 2011, temperature increase has been observed in the TOTEM Roman Pots installed in the LHC (sector 45) while the proton beams were circulating in the accelerator ring. [...]
- 2012. - 9 p.
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Calibration of the BLM Response at 450 GeV by Beam Scraping with Roman Pots / Appleby, Robert (CERN) ; Assmann, Ralph (CERN) ; Deile, Mario (CERN) ; Kaspar, Jan (CERN ; Prague, Inst. Phys.) ; Redaelli, Stefano (CERN)
This note reports on two calibrations of the conversion factor from the number of protons intercepted by a TOTEM Roman Pot (RP) to the dose measured in a Beam Loss Monitor (BLM) downstream of the RP station. [...]
CERN-ATS-Note-2010-032 PERF ; CERN-TOTEM-NOTE-2010-001.
- 2010. - 9 p.
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