CERN Accelerating science

SPS and CNGS

Últimas adquisiciones:
2017-04-26
06:54
High energy density physics effects predicted in simulations of the CERN HiRadMat beam–target interaction experiments / Tahir, N A (Darmstadt, GSI) ; Burkart, F (CERN) ; Schmidt, R (CERN) ; Shutov, A (IPCP, Chernogolovka) ; Wollmann, D (CERN) ; Piriz, A R (Castilla-La Mancha U.)
Experiments have been done at the CERN HiRadMat (High Radiation to Materials) facility in which large cylindrical copper targets were irradiated with 440 GeV proton beam generated by the Super Proton Synchrotron (SPS). The primary purpose of these experiments was to confirm the existence of hydrodynamic tunneling of ultra-relativistic protons and their hadronic shower in solid materials, that was predicted by previous numerical simulations. [...]
2016 - 8 p. - Published in : High Energy Dens. Phys. 21 (2016) 27-34

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2017-04-26
06:54
Radiation damage and thermal shock response of carbon-fiber-reinforced materials to intense high-energy proton beams / Simos, N (RIKEN BNL) ; Zhong, Z (RIKEN BNL) ; Ghose, S (RIKEN BNL) ; Kirk, H G (RIKEN BNL) ; Trung, L-P (RIKEN BNL) ; McDonald, K T (Princeton U.) ; Kotsina, Z (Athens U.) ; Nocera, P (Rome U.) ; Assmann, R (CERN) ; Redaelli, S (CERN) et al.
A comprehensive study on the effects of energetic protons on carbon-fiber composites and compounds under consideration for use as low-Z pion production targets in future high-power accelerators and low-impedance collimating elements for intercepting TeV-level protons at the Large Hadron Collider has been undertaken addressing two key areas, namely, thermal shock absorption and resistance to irradiation damage. Carbon-fiber composites of various fiber weaves have been widely used in aerospace industries due to their unique combination of high temperature stability, low density, and high strength. [...]
FERMILAB-PUB-16-566-AD.- 2016 - 20 p. - Published in : Phys. Rev. Accel. Beams 19 (2016) 111002 Fulltext: 10.1103_PhysRevAccelBeams.19.111002 - PDF; fermilab-pub-16-566-ad - PDF; openaccess_PhysRevAccelBeams.19.111002 - PDF; External link: FERMILABPUB

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2017-04-26
06:54
Precision magnetic field mapping for CERN experiment NA62 / Fry, John R (Liverpool U.) ; Ruggiero, Giuseppe (Liverpool U. ; CERN) ; Bergsma, Felix (CERN)
In the CERN experiment NA62, low-mass straw-tube tracking-chambers have been designed to operate in vacuum and, in conjunction with precisely mapped magnetic fields, enable the determination of the trajectories of the charged decay products of a 75 GeV/c K(+) with high accuracy. This is particularly important for the crucial measurement of the branching fraction for the decay K(+) → π (+) ν ν, which has the potential to reveal BSM physics. [...]
2016 - 19 p. - Published in : Czechoslov. J. Phys. G 43 (2016) 125004

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2017-04-25
09:01
MD 1856 - Landau Damping: Beam Transfer Functions and diffusion mechanisms / Tambasco, Claudia (Ecole Polytechnique Federale de Lausanne (CH)) ; Barranco Garcia, Javier (Ecole Polytechnique Federale de Lausanne (CH)) ; Boccardi, Andrea (CERN) ; Buffat, Xavier (CERN) ; Gasior, Marek (CERN) ; Lefevre, Thibaut (CERN) ; Levens, Tom (University of Glasgow (GB)) ; Pojer, Mirko (CERN) ; Salvachua Ferrando, Belen Maria (CERN) ; Solfaroli Camillocci, Matteo (CERN) et al.
In the 2012, 2015 and 2016 several instabilities were developing during the betatron squeeze where beam-beam interactions become stronger modifying the tune spread provided by the octupoles magnets. [...]
CERN-ACC-NOTE-2017-0027.
- 2017.
Full text

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2017-04-25
08:53
MD 1407 - Landau Damping: Beam Transfer Functions and diffusion mechanisms / Tambasco, Claudia (Ecole Polytechnique Federale de Lausanne (CH)) ; Barranco Garcia, Javier (Ecole Polytechnique Federale de Lausanne (CH)) ; Boccardi, Andrea (CERN) ; Buffat, Xavier (CERN) ; Gasior, Marek (CERN) ; Lefevre, Thibaut (CERN) ; Levens, Tom (University of Glasgow (GB)) ; Pojer, Mirko (CERN) ; Salvachua Ferrando, Belen Maria (CERN) ; Solfaroli Camillocci, Matteo (CERN) et al.
In the 2012, 2015 and 2016 run several instabilities were developing at flat-top, during and at the end of the betatron squeeze where beam-beam interactions are present. [...]
CERN-ACC-NOTE-2017-0026.
- 2017.
Full text

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2017-04-24
20:22
Upgrade of the CERN SPS Extraction Protection Elements TPS / Borburgh, Jan (CERN) ; Balhan, Bruno (CERN) ; Barnes, Michael (CERN) ; Baud, Cedric (CERN) ; Fraser, Matthew (CERN) ; Kain, Verena (CERN) ; Maciariello, Fausto (CERN) ; Steele, Genevieve (CERN) ; Velotti, Francesco (CERN)
In 2006 the protection devices upstream of the septa in both extraction channels of the CERN SPS to the LHC were installed. Since then, new beam parameters have been proposed for the SPS beam towards the LHC in the framework of the LIU project. [...]
CERN-ACC-2017-0020.- Geneva : CERN, 2017 - Published in : Fulltext: PDF;
In : 6th International Particle Accelerator Conference, Richmond, VA, USA, 3 - 8 May 2015

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2017-04-24
18:59
Development of a Superconducting Magnet for a Compact Cyclotron for Radioisotope Production / García-Tabarés, Luis (CIEMAT) ; Abramian, Pablo (CIEMAT) ; Calero, Jesús (CIEMAT) ; Gutiérrez, José L. (CIEMAT) ; Munilla, Javier (CIEMAT) ; Obradors, Diego (CIEMAT) ; Perez, Jose M. (CIEMAT) ; Toral, Fernando (CIEMAT) ; Iturbe, Rafael (ANTECSA) ; Mínguez, Leire (ANTECSA) et al.
CERN-ACC-NOTE-2017-0025.- Geneva : CERN, 2017 Fulltext: PDF;

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2017-04-20
11:19
CERN Yellow Report Front Cover Feasibility Study for BioLEIR / Ghithan, S (ed.) ; Roy, G (ed.) ; Schuh, S (ed.)
The biomedical community asked CERN to investigate the possibility to transform the Low Energy Ion Ring (LEIR) accelerator into a multidisciplinary, biomedical research facil- ity (BioLEIR) that could provide ample, high-quality beams of a range of light ions suitable for clinically oriented fundame [...]
CERN-2017-001-M. - Geneva : CERN, 2017. - 207 p. (CERN Yellow Reports: Monographs ; 1/2017)


10.23731/CYRM-2017-001
Fulltext - Report on the CERN Publishing Platform
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2017-04-10
00:04
Techniques to produce and accelerate radioactive ion beams / Penescu, Liviu Constantin
The production and acceleration of the Radioactive Ion Beams (RIB) continues the long line of nuclear investigations started in the XIXth century by Pierre and Marie Curie, Henri Becquerel and Ernest Rutherford [...]
CERN-THESIS-2009-284 - 152 p.

Fulltext
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2017-04-07
07:44
The Two-Screen Measurement Setup to Indirectly Measure Proton Beam Self-Modulation in AWAKE / Turner, Marlene (CERN ; Graz, Tech. U.) ; Biskup, B. (CERN ; Prague, Tech. U.) ; Burger, S. (CERN) ; Gschwendtner, E. (CERN) ; Mazzoni, S. (CERN) ; Petrenko, A. (CERN)
The goal of the first phase of the AWAKE experiment at CERN is to measure the self-modulation of the $\sigma_z = 12\,\rm{cm}$ long SPS proton bunch into microbunches after traversing $10\,\rm{m}$ of plasma with a plasma density of $n_{pe}=7\times10^{14}\,\rm{electrons/cm}^3$. The two screen measurement setup is a proton beam diagnostic that can indirectly prove the successful development of the self-modulation of the proton beam by imaging protons that got defocused by the transverse plasma wakefields after passing through the plasma, at two locations downstream the end of the plasma. [...]
arXiv:1702.06307.- 2017 - 7 p. - Published in : Nucl.Instrum.Meth. A854 (2017) 100-106 Fulltext: arXiv:1702.06307 - PDF; 10.1016_j.nima.2017.02.064 - PDF;

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