CERN Accelerating science

CERN Published Articles

Letzte Einträge:
2017-06-29
07:16
$\beta$-decay half-lives and $\beta$-delayed neutron emission probabilities for several isotopes of Au, Hg, Tl, Pb and Bi, beyond $N=126$ / Caballero-Folch, R. (Barcelona, Polytechnic U. ; TRIUMF) ; Domingo-Pardo, C. (Valencia U., IFIC) ; Agramunt, J. (Valencia U., IFIC) ; Algora, A. (Valencia U., IFIC ; Debrecen, Inst. Nucl. Res.) ; Ameil, F. (Darmstadt, GSI) ; Ayyad, Y. (U. Santiago de Compostela (main)) ; Benlliure, J. (U. Santiago de Compostela (main)) ; Bowry, M. (Surrey U.) ; Calviño, F. (Barcelona, Polytechnic U.) ; Cano-Ott, D. (Madrid, CIEMAT) et al.
Background: There have been measurements on roughly 230 nuclei that are β-delayed neutron emitters. [...]
arXiv:1701.03845.
- 2017-06-23. - 16 p.
Full text

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2017-06-28
15:17
High-luminosity LHC / Rossi, L (CERN)
2016
In : 194th International School of Physics "Enrico Fermi" : Future Research Infrastructures : Challenges and Opportunities, Varenna, Italy, 8 - 11 Jul 2015, pp.61-72

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2017-06-27
06:47
Physics Opportunities with the FCC-hh Injectors / Goddard, B. (CERN) ; Isidori, G. (U. Zurich (main)) ; Teubert, F. (CERN) ; Bai, M. (Julich, Forschungszentrum) ; Ball, A. (CERN) ; Batell, B. (Pittsburgh U., Dept. Phil.) ; Bowcock, T. (Liverpool U.) ; Cavoto, G. (INFN, Rome) ; Ceccucci, A. (CERN) ; Chrzaszcz, M. (U. Zurich (main) ; Cracow, INP) et al.
In this chapter we explore a few examples of physics opportunities using the existing chain of accelerators at CERN, including potential upgrades. In this context the LHC ring is also considered as a part of the injector system. [...]
arXiv:1706.07667.- 2017 - 13 p. - Published in : 10.23731/CYRM-2017-003.693 Fulltext: PDF; Published version from CERN: PDF; External links: 00000 Schematic view of the CERN accelerators system viewed as injectors of the future FCC-hh collider (FHC).; 00001 Main functional layout of LHC as HEB as FCC-hh injector
In : Physics at the FCC-hh, a 100 TeV pp collider, pp.693-705

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2017-06-24
09:59
An overview of experimental results from ultra-relativistic heavy-ion collisions at the CERN LHC: Bulk properties and dynamical evolution / Foka, Panagiota (Darmstadt, GSI) ; Janik, Małgorzata Anna (Warsaw U. of Tech.)
The first collisions of lead nuclei, delivered by the CERN Large Hadron Collider (LHC) at the end of 2010, at a centre-of-mass energy per nucleon pair sNN= 2.76 TeV, marked the beginning of a new era in ultra-relativistic heavy-ion physics. [...]
arXiv:1702.07233.
- 2016-11. - 18 p.
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2017-06-24
09:58
An overview of experimental results from ultra-relativistic heavy-ion collisions at the CERN LHC: Hard probes / Foka, Panagiota (Darmstadt, GSI) ; Janik, Małgorzata Anna (Warsaw U. of Tech.)
The first collisions of lead nuclei, delivered by the CERN Large Hadron Collider (LHC) at the end of 2010, at a centre-of-mass energy per nucleon pair sNN= 2.76 TeV, marked the beginning of a new era in ultra-relativistic heavy-ion physics. [...]
arXiv:1702.07231.
- 2016-11. - 23 p.
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2017-06-24
09:57
Relative Calibration of the Time Transfer Link between CERN and LNGS for Precise Neutrino Time of Flight Measurements / Feldmann, Thorsten (Braunschweig, Phys. Tech. Bund.) ; Bauch, A (Braunschweig, Phys. Tech. Bund.) ; Piester, D (Braunschweig, Phys. Tech. Bund.) ; Alvarez, P (CERN) ; Autiero, D (CERN) ; Serrano, J (CERN) ; Brunetti, G (Lyon, IPN)
—The relative calibration of the GPS time link between European Organization for Nuclear Research (CERN) and Gran Sasso National Laboratory (LNGS), performed in 2011, is reviewed. “Relative” means that traveling equipment was used to calibrate the delay of the link as a whole, but no information on absolute delays of individual components was gained. [...]
2013 - 10 p. - Published in : (2013) , pp. 141-150 Fulltext: PDF; External link: Fulltext

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2017-06-22
15:00
Path to AWAKE: Evolution of the concept / Caldwell, A (Max Planck Institute for Physics, Munchen, DE) ; Adlia, E (STFC Daresbury Lab, Warrington, UK and DESY, hamburg, DE) ; Amorimj, L (GoLP, Universisade de Lisboa, Lisbon, PT) ; Apsimon, R (Cockcroft Institute, Warrington, UK and Lancaster University, Lancaster, UK) ; Argyropoulos, T (CERN, Geneva, CH) ; Assmann, R (DESY, Hamburg, DE) ; Bachmann, A.M (Max Planck Institute for Physics, Munchen, DE) ; Batsch, F (Max Planck Institute for Physics, Munchen, DE) ; Bauche, J (CERN, Geneva, CH) ; Berglyd Olsen, V.K (STFC Daresbury Lab, Warrington, UK and DESY, Hamburg, DE) et al.
This report describes the conceptual steps in reaching the design of the AWAKE experiment currently under construction at CERN. We start with an introduction to plasma wakefield acceleration and the motivation for using proton drivers. [...]
CERN-ACC-2016-0348.- Geneva : CERN, 2016 - Published in : Nuclear Instruments and methods in Physics Research: A (2016) , no. 829 Fulltext: PDF;

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2017-06-22
08:23
Measurements of 55Fe activity in activated steel samples with GEMPix / Curioni, A (CERN ; Milan Polytechnic) ; Dinar, N (CERN ; Paris U., VI-VII) ; La Torre, F P (CERN) ; Leidner, J (CERN ; RWTH Aachen U.) ; Murtas, F (CERN ; Frascati) ; Puddu, S (CERN) ; Silari, M (CERN)
In this paper we present a novel method, based on the recently developed GEMPix detector, to measure the 55Fe content in samples of metallic material activated during operation of CERN accelerators and experimental facilities. The GEMPix, a gas detector with highly pixelated read-out, has been obtained by coupling a triple Gas Electron Multiplier (GEM) to a quad Timepix ASIC. [...]
2017 - 12 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 849 (2017) 60-71 NIMA OA article: PDF;

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2017-06-22
08:23
Fabrication of First 4-m Coils for the LARP MQXFA Quadrupole and Assembly in Mirror Structure / Holik, E F (Fermilab ; Angelo State U.) ; Ambrosio, G (Fermilab) ; Anerella, M (Brookhaven) ; Bossert, R (Fermilab) ; Cavanna, E (CERN) ; Cheng, D (LBNL, Berkeley) ; Dietderich, D R (LBNL, Berkeley) ; Ferracin, P (CERN) ; Ghosh, A K (Brookhaven) ; Izquierdo Bermudez, S (CERN) et al.
The US LHC Accelerator Research Program is constructing prototype interaction region quadrupoles as part of the US in-kind contribution to the Hi-Lumi LHC project. The low-beta MQXFA Q1/Q3 coils have a 4-m length and a 150 mm bore. [...]
FERMILAB-PUB-16-346-TD.- 2017 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 27 (2017) 4003605 Fulltext: PDF; External link: FERMILABPUB
In : Applied Superconductivity Conference, Denver, CO, USA, 4 - 9 Sep 2016, pp.4003605

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2017-06-22
08:23
Statistics of vacuum breakdown in the high-gradient and low-rate regime / Wuensch, Walter (CERN) ; Degiovanni, Alberto (CERN) ; Calatroni, Sergio (CERN) ; Korsbäck, Anders (Helsinki Inst. of Phys.) ; Djurabekova, Flyura (Helsinki Inst. of Phys.) ; Rajamäki, Robin (Aalto U.) ; Giner-Navarro, Jorge (Valencia U., IFIC)
In an increasing number of high-gradient linear accelerator applications, accelerating structures must operate with both high surface electric fields and low breakdown rates. Understanding the statistical properties of breakdown occurrence in such a regime is of practical importance for optimizing accelerator conditioning and operation algorithms, as well as of interest for efforts to understand the physical processes which underlie the breakdown phenomenon. [...]
2017 - 11 p. - Published in : Phys. Rev. Accel. Beams 20 (2017) 011007 Fulltext: PDF;

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