CERN Preprints

2015-10-03
07:34
 Intrinsic charm in a matched general-mass scheme / Ball, Richard D ; Bertone, Valerio ; Bonvini, Marco ; Forte, Stefano ; Merrild, Patrick Groth ; Rojo, Juan ; Rottoli, Luca The FONLL general-mass variable-flavour number scheme provides a framework for the matching of a calculation in which a heavy quark is treated as a massless parton to one in which the mass dependence is retained throughout. [...] arXiv:1510.00009 ; EDINBURGH 2015-06 ; CERN-PH-TH-2015-118 ; TIF-UNIMI-2015-11 ; OUTP-15-20P. - 2015. - 16 p. Preprint - Full text

2015-10-02
11:20
 POPS: the 60MW power converter for the PS accelerator: Control strategy and performances / Boattini, Fulvio (CERN) ; Burnet, Jean-Paul (CERN) ; Skawinski, Gregory (CERN) The main power supply of Proton-Synchrotron (PS) accelerator is one of the biggest at CERN. [...] CERN-ACC-2015-0098. - 2015. - 10 p. Full text

2015-10-02
10:51
 Accelerated lifetime testing of energy storage capacitors used in particle accelerators power converters / Boattini, Fulvio (CERN) ; Genton, Charles-Mathieu (CERN) Energy storage capacitors are used in large quantities in high power converters for particle accelerators. [...] CERN-ACC-2015-0097. - 2015. - 10 p. Full text

2015-10-02
09:54
 New High Availability Four Quadrant Converter [600A; 10V] for LHC / Herrero Gonzalez, Vicente Raul (CERN) High availability in four quadrant (4-quadrant) converters is crucial in Large Hadron Collider (LHC) operation. [...] CERN-ACC-2015-0096. - 2015. - 9 p. Full text

2015-10-01
08:02
 Exotic charmonium spectroscopy with CMS / Ronchese, P (INFN, Padua) The latest results of CMS in the area of exotic quarkonium decays will be presented: observation of a peaking structure in $J/\psi\Phi$ mass spectrum in the decay $B^\pm \rightarrow J/\psi \Phi K^\pm$, search for new bottomonium states in $\Upsilon(1\mathrm{S})\pi^+\pi^-$ mass spectrum, measurement of prompt $J/\psi$ pair production.. arXiv:1509.09276 ; CIPANP2015-RONCHESE-2. - 2015. - 8 p. Preprint

2015-10-01
08:02
 Tile Calorimeter Upgrade Program for the Luminosity Increasing at the LHC / Cerqueira, A S (Juiz de Fora U.) The Tile Calorimeter (TileCal) is the central hadronic calorimeter of the ATLAS experiment at the Large Hadron Collider (LHC). [...] arXiv:1509.08994. - 2015. - 8 p. Preprint

2015-09-30
10:48
 Measurement of transverse momentum relative to dijet systems in PbPb and pp collisions at $\sqrt{s_{\mathrm{NN}}} =$ 2.76 TeV / CMS Collaboration An analysis of dijet events in PbPb and pp collisions is performed to explore the properties of energy loss by partons traveling in a quark-gluon plasma. [...] CERN-PH-EP-2015-260 ; CMS-HIN-14-010-003 ; arXiv:1509.09029. - 2015. Additional information for the analysis - CMS AuthorList - Full text - Full text

2015-09-30
08:06
 Fibre Monitoring System for the Beam Permit Loops at the LHC and Future Evolution of the Beam Interlock System / García-Argos, Carlos (CERN) ; Denz, Reiner (CERN) ; Gabourin, Stéphane (CERN) ; Martin, Christophe (CERN) ; Puccio, Bruno (CERN) ; Siemko, Andrzej P (CERN) The optical fibres that transmit the beam permit loop signals at the CERN accelerator complex are deployed along radiation areas. [...] arXiv:1509.08669. - 2015. Preprint

2015-09-30
08:01
 Pseudorapidity and transverse-momentum distributions of charged particles in proton-proton collisions at $\mathbf{\sqrt{\textit s}}$ = 13 TeV / ALICE Collaboration The pseudorapidity ($\eta$) and transverse-momentum ($p_{\rm T}$) distributions of charged particles produced in proton-proton collisions are measured at the centre-of-mass energy $\sqrt{s}$ = 13 TeV. [...] arXiv:1509.08734 ; CERN-PH-EP-2015-270. - 2015. - 19 p. Preprint - Full text

2015-09-30
08:01
 Simulation of radiation-induced defects / Peltola, Timo (Helsinki Inst. of Phys.) Mainly due to their outstanding performance the position sensitive silicon detectors are widely used in the tracking systems of High Energy Physics experiments such as the ALICE, ATLAS, CMS and LHCb at LHC, the world's largest particle physics accelerator at CERN, Geneva. [...] arXiv:1509.08657. - 2015. - 13 p. Preprint