2019-12-06
17:22 |
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MD4147: 50 Hz harmonics perturbation
/ Kostoglou, Sofia (National Technical Univ. of Athens (GR)) ; Arduini, Gianluigi (CERN) ; Baccigalupi, Carlo ; Bartosik, Hannes (CERN) ; Buffat, Xavier (CERN) ; Burnet, Jean-Paul (CERN) ; Carver, Lee Robert (University of Liverpool (GB)) ; Cerqueira Bastos, Miguel (CERN) ; De Maria, Riccardo (CERN) ; Fartoukh, Stephane (CERN) et al.
Since the beginning of the LHC commissioning, harmonics of 50 Hz have been observed in the beam spectrum. [...]
CERN-ACC-NOTE-2019-0055.
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2019. - 21 p.
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2019-12-06
11:29 |
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BE Department Annual Report 2018
/ Collier, Paul (CERN) ; Arduini, Gianluigi (CERN) ; Billen, Ronny (CERN) ; Hatziangeli, Eugenia (CERN) ; Jensen, Erk (CERN) ; Jones, Rhodri (CERN) ; Laderi, Efthymia (CERN) ; Lamont, Mike (CERN) ; Mackney, Anna (CERN) ; Sollander, Peter (CERN) et al.
The Beams Department hosts the Groups responsible for the beam generation, acceleration, diagnostics, controls and performance optimization for the whole CERN accelerator complex. [...]
CERN-ACC-2019-0057.
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2019. - 96 p.
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2019-12-06
04:06 |
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2019-12-05
17:28 |
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LHC MD4243: Q22 optics in TI2
/ Velotti, Francesco Maria (CERN) ; Bartmann, Wolfgang (CERN) ; Bracco, Chiara (CERN) ; Goddard, Brennan (CERN) ; Hessler, Christoph ; Kain, Verena (CERN) ; Chapochnikova, Elena (CERN) ; Timko, Helga (CERN)
This MD shows the feasibility of operating TI2 with an optics matched to the SPS Q22 optics.Optics studies in the transfer line (TL) were performed together with an injection voltage scan toassess, also, the longitudinal quality of the injected single bunch..
CERN-ACC-NOTE-2019-0054.
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2019. - 5 p.
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2019-12-05
11:58 |
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MD3263: Beam-Beam Long-Range Compensation using DC Wires in the LHC
/ Poyet, Axel (Universite Grenoble-Alpes (FR)) ; Fartoukh, Stephane (CERN) ; Fuster Martinez, Nuria (CERN) ; Karastathis, Nikos (CERN) ; Papaphilippou, Yannis (CERN) ; Pojer, Mirko (CERN) ; Redaelli, Stefano (CERN) ; Rossi, Adriana (CERN) ; Skoufaris, Kyriacos (University of Crete (GR)) ; Solfaroli Camillocci, Matteo (CERN) et al.
This note summarizes the experimental results obtained during the 2018 LHC Machine Development program during the measurements campaign of the Beam-Beam Long-Range compensation using DC wires (MD3263). [...]
CERN-ACC-NOTE-2019-0053.
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2019. - 25 p.
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2019-12-05
10:43 |
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MD2202: compensating long-range beam-beam effectin the LHC using DC wires
/ Sterbini, Guido (CERN) ; Amorim, David (Universite Grenoble-Alpes (FR)) ; Arduini, Gianluigi (CERN) ; Bartosik, Hannes (CERN) ; Bruce, Roderik (CERN) ; Buffat, Xavier (CERN) ; Carver, Lee Robert (University of Liverpool (GB)) ; Cattenoz, Gregory (CERN) ; Effinger, Ewald (CERN) ; Fartoukh, Stephane (CERN) et al.
his note summarizes the program of the LHC Machine Development to assess the potential and limits of the long-range beam-beam compensators held in 2017 (MD2202) [...]
CERN-ACC-NOTE-2019-0052.
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2019. - 52 p.
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2019-12-04
14:31 |
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2019-12-04
14:27 |
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2019-12-02
16:42 |
Top quark mass measurement in radiative events at electron-positron colliders
/ Boronat, Marca (Univ. of Valencia and CSIC (ES)) ; Fullana Torregrosa, Esteban (Univ. of Valencia and CSIC (ES)) ; Fuster Verdu, Juan (Univ. of Valencia and CSIC (ES)) ; Gomis Lopez, Pablo (Univ. of Valencia and CSIC (ES)) ; Vos, Marcel (Univ. of Valencia and CSIC (ES)) ; Hoang, A H (University of Vienna, Faculty of Physics and Erwin Schrodinger International Institute for Mathematical Physics) ; Widl, A (University of Vienna, Faculty of Physics) ; Mateu, V (Departmento de Fisica Fundamental e IUFFyM, Universidad de Salamanca and Instituto de Fisica Teorica UAM-CSIC)
In this letter, the potential of linear e+e− colliders to measure the top quark mass in a suitable short-distance scheme in radiative events is evaluated. We present a calculation of the differential cross section for production of a top quark pair in association with an energetic photon from initial state radiation, as a function of the invariant mass of the tt ̄system [...]
CLICdp-Pub-2019-005.-
Geneva : CERN, 2019 - 12.
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2019-11-29
07:03 |
The ENUBET neutrino beam
/ Terranova, Francesco (INFN, Milan ; Milan Bicocca U.) ; Acerbi, F (Fond. Bruno Kessler, Trento ; TIFPA-INFN, Trento) ; Ballerini, G (INFN, Milan Bicocca ; Insubria U., Como) ; Bonesini, M (INFN, Milan Bicocca) ; Brizzolari, C (INFN, Milan Bicocca ; Insubria U., Como) ; Brunetti, G (INFN, Padua) ; Calviani, M (CERN) ; Carturan, S (INFN, Padua ; Padua U.) ; Catanesi, M G (INFN, Bari) ; Cecchini, S (INFN, Bologna) et al.
ENUBET has been designed to monitor lepton production in the decay tunnel of neutrino beams at single particle level and to provide a 1% measurement of the neutrino flux at source. In particular, the three body semileptonic decay of kaons monitored by large angle positron production offers a fully controlled $\nu_e$ source at the GeV scale for a new generation of short baseline experiments. [...]
SISSA, 2019 - 4 p.
- Published in : PoS ICHEP2018 (2019) 239
Fulltext from publisher: PDF;
In : XXXIX International Conference on High Energy Physics, Seoul, Korea, 4 - 11 Jul 2018, pp.239
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