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4.
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Cryogenic Tunable Microwave Cavity at 13 GHz for Hyperfine Spectroscopy of Antiprotonic Helium
/ Barna, D (KFKI Res. Inst. Part. Nucl. Phys., Budapest) ; Caspers, Friedhelm (CERN) ; Eades, John (CERN) ; Gilg, H (Univ. Tokyo) ; Hayano, R S ; Hori, Masaki (CERN) ; Horváth, M (KFKI Res. Inst. Part. Nucl. Phys., Budapest) ; Hayano, R S (Univ. Tokyo) ; Ishikawa, T (Univ. Tokyo) ; Juhász, B (Inst. Nucl. Res. Hungarian Academy of Sciences, Debrecen) et al.
For the precise measurement of the hyperfine structure of antiprotonic helium microwave radiation of 12.9 GHz frequency is needed, tunable over ±100 MHz. A cylindrical microwave cavity is used whose front and rear faces are meshed to allow the antiprotons and laser beams to enter. [...]
CERN-AB-2005-004; CERN-PH-EP-2004-071.-
Geneva : CERN, 2004 - 25 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 533 (2004) 598-611
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5.
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High Gradient Test of a Clamped, Molybdenum Iris, X-Band Accelerator Structure at NLCTA
/ Döbert, Steffen (SLAC) ; Adolphsen, C (SLAC) ; Wuensch, Walter (CERN) ; Archard, C (CERN) ; Grudiev, A (CERN) ; Heikkinen, Samuli Tapio (CERN) ; Syratchev, I V (CERN) ; Taborelli, M (CERN) ; Wilson, Ian H (CERN)
Inspired by the very high gradients (150-195 MV/m) achieved at CERN in 30 GHz accelerator structures made with tungsten and molybdenum irises and operated with short (16 ns) rf pulses [1], an X-band (11.4 GHz) version of this structure design was built at CERN and tested at SLAC. [...]
CERN-AB-2005-005 ; CLIC-Note-621 ; SLAC-PUB-10551.
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2004. - 10 p.
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7.
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The SPL at CERN
/ Garoby, R (CERN)
The Superconducting Proton Linac (SPL) is a multi-GeV, multi-MW linear proton machine which represents a very interesting option for the future of CERN. Operating at 50 Hz, it will serve both as a high performance injector for the complex of high energy accelerators, replacing the present PS booster, and as a high power proton driver for other physics applications like the generation of muons and neutrinos and/or radio-active ions. [...]
CERN-AB-2005-007; CARE-Conf-04-022-HIPPI; CARE-Conf-2004-022-HIPPI.-
Geneva : CERN, 2005 - 6 p.
- Published in : AIP Conf. Proc. 773 (2005) 239-243
Access to fulltext document: PDF; Fulltext: PDF; External links: Access to fulltext document; Fulltext
In : 33rd ICFA Advanced Beam Dynamics Workshop : High Intensity High Brightness Hadron Beams, Bensheim, Germany, 18 - 22 Oct 2004, pp.239-243
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8.
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Plans for the Future of Proton Accelerators at CERN
/ Garoby, R (CERN) ; Scandale, Walter
The Large Hadron Collider, presently in construction at CERN, will be filled through a set of high performance proton accelerators providing the high brightness beam needed to reach the foreseen luminosity. Although this difficult project has top priority and uses most of the CERN resources, it is nevertheless time investigating improvements of the proton accelerator complex for physical cases beyond the LHC expectations. [...]
CERN-AB-2005-008; CARE-Conf-04-035-HHH; CARE-Conf-2004-035-HHH.-
Geneva : CERN, 2005 - 5 p.
- Published in : Nucl. Phys. B, Proc. Suppl. 147 (2005) 16-19
Access to fulltext document: PDF; Fulltext: PDF;
In : High Intensity Frontier Workshop, La Biodola, Italy, 5 - 8 Jun 2004, pp.16-19
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9.
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High Brightness Proton Beams for LHC: Needs and Means
/ Benedikt, Michael (CERN) ; Garoby, R (CERN)
Experiments [1, 2] have proven that the LHC injector chain can deliver a proton beam with the nominal characteristics (bunch intensity Nb=1.15E11 protons per bunch (ppb) in normalised rms transverse emittances of 3.5 mm.mrad), but cannot reach the ultimate performance (1.7E11 ppb in the same emittances). Moreover, in the longer term, an even higher beam brightness is required by all methods considered for increasing the LHC luminosity beyond the present ultimate level. [...]
CERN-AB-2005-009.-
Geneva : CERN, 2005
Fulltext: PDF; Published version from CERN: PDF;
In : 1st CARE-HHH-APD Workshop on Beam Dynamics in Future Hadron Colliders and Rapidly Cycling High-Intensity Synchrotrons, CERN, Geneva, Switzerland, 8 - 11 Nov 2004, pp.203-207 (CERN-2005-006)
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12.
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LINAC4, A New $H^{-}$ Linear Injector at CERN
/ Garoby, R ; Gerigk, F ; Hanke, K ; Lombardi, A M ; Rossi, C ; Vretenar, M
Linac2, the present injector of the CERN PS Booster, limits the performance of the proton accelerator complex because of its low output energy (50 MeV). To remove this bottleneck, a higher energy linac is proposed (called âﾜLinac4â ) which will double the brightness and the intensity of the beam delivered by the PSB and ensure the âﾜultimateâ beam is available for LHC. [...]
CERN-AB-2005-012.-
Geneva : CERN, 2004 - 6 p.
Access to fulltext document: PDF; External link: Published version from JACoW
In : 19th Russian Accelerator Conference, Dubna, Russian Federation, 4 - 9 Oct 2004, pp.28
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13.
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Accelerators for high-energy physics
/ Hübner, K (CERN)
The basic principles of linear accelerators, synchrotrons and storage rings, and of their main components are outlined. After a discussion of the performance and key components of hadron colliders, linear electron-positron colliders, and accelerator-based neutrino sources the paper concludes with a global overview of high-energy physics accelerators, in operation or under construction, and of the plans for future facilities..
CERN-AB-2005-013.-
Geneva : CERN, 2006 - 32 p.
Fulltext: PDF; Published version from CERN: PDF; External link: Physics School home page
In : European School of High-Energy Physics, Barcelona, Spain, 30 May - 12 Jun 2004, pp.361-394 (CERN-2006-003)
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18.
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Simulation Aspects of the Code Benchmarking Based on the CERN-PS “Montague-resonance” Experiment
/ Franchetti, Giuliano ; Giovannozzi, Massimo ; Hofmann, I ; Martini, M ; Métral, E ; Qiang, J ; Ryne, Robert D
Measurements of emittance exchange due to the Montague resonance in the CERN Proton Synchrotron in 2003 have provided detailed data, which are suitable for benchmarking of different simulation codes for high-intensity accelerators. We present here some characteristic features of the Montague resonance by using first simulations obtained with MICROMAP and IMPACT under simplifying conditions. [...]
CERN-AB-2005-022.-
Geneva : CERN, 2005 - 4 p.
- Published in : AIP Conf. Proc. 773 (2005) 169-171
Access to fulltext document: PDF; External link: Access to fulltext document
In : 33rd ICFA Advanced Beam Dynamics Workshop : High Intensity High Brightness Hadron Beams, Bensheim, Germany, 18 - 22 Oct 2004, pp.169-171
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19.
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Long Term Simulations of Space Charge and Beam Loss Observed in the CERN Proton Synchrotron
/ Franchetti, Giuliano ; Giovannozzi, Massimo ; Hofmann, I ; Martini, M ; Métral, E
Long term storage of high intensity beams with small loss is required in the FAIR [1] project at GSI as well as for JPARC [2]. In this paper we discuss that an important contribution to the loss in bunched beams can be explained it terms of particles trapped into lattice and space charge driven islands. [...]
CERN-AB-2005-021.-
Geneva : CERN, 2005 - 4 p.
- Published in : AIP Conf. Proc. 773 (2005) 137-141
Access to fulltext document: PDF; External link: Access to fulltext document
In : 33rd ICFA Advanced Beam Dynamics Workshop : High Intensity High Brightness Hadron Beams, Bensheim, Germany, 18 - 22 Oct 2004, pp.137-141
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20.
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Transverse Mode-Coupling Instability in the CERN Super Proton Synchrotron
/ Arduini, Gianluigi ; Benedetto, Elena ; Burkhardt, H ; Métral, E ; Rumolo, Giovanni (CERN) ; Shaposhnikova, Elena
A vertical single-bunch instability has been observed in 2003 right after injection at 26 GeV/c in the CERN Super Proton Synchrotron (SPS). High-intensity proton bunches (~1.2 1011 p/b) with low longitudinal emittance (~0.2 eVs) are affected by heavy losses after less than one synchrotron period. [...]
CERN-AB-2005-020.-
Geneva : CERN, 2005 - 4 p.
- Published in : AIP Conf. Proc. 773 (2005) 378-380
Access to fulltext document: PDF; External link: Access to fulltext document
In : 33rd ICFA Advanced Beam Dynamics Workshop : High Intensity High Brightness Hadron Beams, Bensheim, Germany, 18 - 22 Oct 2004, pp.378-380
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21.
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Space-Charge Experiments at the CERN Proton Synchrotron
/ Franchetti, Giuliano ; Giovannozzi, Massimo ; Hofmann, I ; Martini, M ; Métral, E ; Qiang, J ; Ryne, D ; Steerenberg, R
Benchmarking of the simulation codes used for the design of the next generation of high beam power accelerators is of paramount importance due to the very demanding requirements on the level of beam losses. This is usually accomplished by comparing simulation results against available theories, and more importantly, against experimental observations. [...]
CERN-AB-2005-019.-
Geneva : CERN, 2005 - 6 p.
- Published in : AIP Conf. Proc. 773 (2005) 122-126
Access to fulltext document: PDF; External link: Access to fulltext document
In : 33rd ICFA Advanced Beam Dynamics Workshop : High Intensity High Brightness Hadron Beams, Bensheim, Germany, 18 - 22 Oct 2004, pp.122-126
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22.
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2nd LHC Project Workshop - Chamonix XIV
17 - 21 Jan 2005
- CERN, Geneva, Switzerland
/ Poole, J (ed.) (CERN)
The workshop in 2005 was the second in the series devoted to the LHC Project and was composed of 9 sessions. For the first time the meeting was held at CERN and used the InDiCo system to manage the presentations. [...]
Geneva : CERN, 2005 - 308 p.
CERN-AB-2005-014
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