CERN Accelerating science

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2019-10-17
09:58
Enceinte du compteur Cerenkov C3 de l'expérience NA3 : Spécification technique
CERN-SPS-EBP-Spec-78-15.
- 1978. - 7 p.
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2019-10-17
06:46
Developments towards the delivery of selenium ion beams at ISOLDE / Chrysalidis, K (CERN ; Mainz U., Inst. Phys.) ; Ballof, J (CERN ; Mainz U., Inst. Kernchem.) ; Düllmann, Ch E (Mainz U., Inst. Kernchem. ; Helmholtz Inst., Mainz ; Darmstadt, GSI) ; Fedosseev, V N (CERN) ; Granados, C (CERN) ; Marsh, B A (CERN) ; Martinez Palenzuela, Y (CERN ; Leuven U.) ; Ramos, J P (CERN) ; Rothe, S (CERN) ; Stora, T (CERN) et al.
The production of selenium ion beams has been investigated at the CERN-ISOLDE facility via two different ionization methods. Whilst molecular selenium (SeCO) beams were produced at ISOLDE since the early 1990s, recent attempts at reliably reproducing these results have so far been unsuccessful. [...]
2019 - Published in : Eur. Phys. J. A 55 (2019) 173 Fulltext: PDF;

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2019-10-17
06:46
Design and construction of the CERN SPS extraction protection elements for LIU / Balhan, Bruno (CERN) ; Baud, Cedric (CERN) ; Borburgh, Jan (CERN) ; Fraser, Matthew (CERN) ; Hourican, Michael (CERN) ; Jorat, Louise Olivia (CERN) ; Nuiry, Francois-Xavier (CERN) ; Pianese, Stefano (CERN)
At CERN, the SPS synchrotron is equipped with two fast extraction channels towards the LHC. As a part of the LHC injector upgrade project (LIU), the protection devices upstream of the septa in both extraction channels will be upgraded. [...]
2019 - 4 p. - Published in : 10.18429/JACoW-IPAC2019-WEPMP022 Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.WEPMP022

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2019-10-17
06:46
First results of the compensation of the beam-beam effect with DC wires in the LHC / Sterbini, Guido (CERN) ; Amorim, David (CERN ; Grenoble, INP) ; Bartosik, Hannes (CERN) ; Bertarelli, Alessandro (CERN) ; Bruce, Roderik (CERN) ; Buffat, Xavier (CERN) ; Carra, Federico (CERN) ; Carver, Lee (CERN) ; Cattenoz, Gregory (CERN) ; Effinger, Ewald (CERN) et al.
The compensation of the long-range beam-beam interactions using DC wires is presently under study as an option for enhancing the machine performance in the framework of the High-Luminosity LHC Project (HL-LHC). The original idea dates back more than 15 years ago. [...]
2019 - 4 p. - Published in : 10.18429/JACoW-IPAC2019-WEYYPLM3 Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.WEYYPLM3

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2019-10-17
06:46
The 2018 heavy-ion run of the LHC / Jowett, John (CERN) ; Bahamonde Castro, Cristina (CERN) ; Bartmann, Wolfgang (CERN) ; Bracco, Chiara (CERN) ; Bruce, Roderik (CERN) ; Coello, Jaime (CERN) ; Dilly, Joschua (CERN) ; Fartoukh, Stephane (CERN) ; Fol, Elena (CERN) ; Fuster-Martínez, Nuria (CERN) et al.
The fourth one-month Pb-Pb collision run brought LHC Run 2 to an end in December 2018. Following the tendency to reduce dependence on the configuration of the preceding proton run, a completely new optics cycle with the strongest ever focussing at the ALICE and LHCb experiments was designed and rapidly implemented, demonstrating the maturity of the collider’s operating modes. [...]
2019 - 4 p. - Published in : 10.18429/JACoW-IPAC2019-WEYYPLM2 Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.WEYYPLM2

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2019-10-17
06:46
Next generation Cryogenic Current Comparator (CCC) for nA intensity measurement / Sieber, Thomas (Darmstadt, GSI) ; De Gersem, Herbert (Darmstadt, Tech. U.) ; Golm, Jessica (U. Jena (main)) ; Haider, David (Darmstadt, GSI) ; Marsic, Nicolas (Darmstadt, Tech. U.) ; Müller, Wolfgang (Darmstadt, Tech. U.) ; Reeg, Hansjörg (Darmstadt, GSI) ; Schmelz, Matthias (Inst. Photonic Tech., Jena) ; Schmidl, Frank (U. Jena (main)) ; Schwickert, Marcus (Darmstadt, GSI) et al.
A Cryogenic Current Comparator (CCC) is an extremely sensitive DC-Beam Transformer based on superconducting SQUID technology. Recently, a CCC without a toroidal core and with an axially oriented magnetic shielding has been developed at the Institute of Photonic Technologies (IPHT) Jena/Germany. [...]
2019 - 4 p. - Published in : 10.18429/JACoW-IPAC2019-WEPGW020 Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.WEPGW020

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2019-10-17
06:46
Development of the electron beam probe for hadron synchrotrons / Droba, Martin (Goethe U., Frankfurt, IAP) ; Hübinger, Christian (Goethe U., Frankfurt, IAP) ; Jones, Owain Rhodri (CERN) ; Meusel, Oliver (Goethe U., Frankfurt, IAP) ; Podlech, Holger (Goethe U., Frankfurt, IAP) ; Thoma, Katrin (Goethe U., Frankfurt, IAP) ; Wendt, Manfred (CERN) ; Zimmermann, Frank (CERN)
Non-invasive diagnostics is essential to get important information about intense hadron beams, e.g. the transverse beam profile, which is indispensable in order to attain high brilliance and luminosity for upgrades on present machines and for future projects. [...]
2019 - 4 p. - Published in : 10.18429/JACoW-IPAC2019-WEPGW009 Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.WEPGW009

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2019-10-17
06:46
The new injection region of the CERN PS Booster / Weterings, Wim (CERN) ; Bracco, Chiara (CERN) ; Jorat, Louise Olivia (CERN) ; Meddahi, Malika (CERN) ; Noulibos, Remy (CERN) ; Van Trappen, Pieter (CERN)
During the Long Shutdown 2 (LS2) at CERN, the new Linac4 (L4) accelerator will be connected to the PS Booster (PSB) to inject 160 MeV H$^−$ beam into the 4 superposed PSB rings. In order to achieve this, we have designed, built and pre-assembled a completely new H$^−$ charge-exchange injection chicane system, with a carbon stripping foil unit to convert the negative hydrogen ions into protons by stripping off the electrons. [...]
2019 - 4 p. - Published in : 10.18429/JACoW-IPAC2019-WEPMP039 Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.WEPMP039

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2019-10-17
06:46
Model and measurements of CERN-SPS slow extraction spill re-shaping - the burst mode slow extraction / Pari, Michelangelo (Padua U. ; INFN, Padua ; CERN) ; Fraser, Matthew (CERN) ; Goddard, Brennan (CERN) ; Kain, Verena (CERN) ; Stoel, Linda (CERN) ; Velotti, Francesco (CERN)
The ENUBET (Enhanced NeUtrino BEams from kaon Tagging) Project aims at reaching a new level of precision of the short-baseline neutrino cross section measurement by using an instrumented decay tunnel. The North Area (NA) experimental facility of the CERN Super Proton Synchrotron (SPS) offers the required infrastructure for the experiment. [...]
2019 - 4 p. - Published in : 10.18429/JACoW-IPAC2019-WEPMP035 Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.WEPMP035

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2019-10-17
06:46
Characterisation of SPS slow extraction spill quality degradation / Velotti, Francesco (CERN) ; Bartosik, Hannes (CERN) ; Buzio, Marco (CERN) ; Cornelis, Karel (CERN) ; Di Capua, Vincenzo (CERN) ; Fraser, Matthew (CERN) ; Goddard, Brennan (CERN) ; Kain, Verena (CERN)
The main physics users of the Super Proton Synchrotron (SPS) are the experiments installed in the North Area (NA). They are supplied with slowly extracted protons or heavy ions, exploiting a third integer slow extraction to provide a 4.8 s spill. [...]
2019 - 3 p. - Published in : 10.18429/JACoW-IPAC2019-WEPMP034 Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.WEPMP034

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