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1998_MISCCONF
8 items
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1.
Progress in construction of the LHC / Evans, Lyndon R (CERN) ; Lebrun, P (CERN)
The Large Hadron Collider (LHC) project, approved by the CERN Council in December 1994, has now fully entered its construction phase, with the detailed technical definition of the major systems, and the adjudication of a number of large procurement contracts. We first recall the main features and characteristics of the LHC, report on the advances in definition of the layout and optics as well as on preparation of the injector complex, and review recent progress in the key technical systems of the main ring: magnets, cryogenics and vacuum, as well as civil construction, which has started following acceptance by authorities in the Host States..
LHC-Project-Report-239; CERN-LHC-Project-Report-239.- Geneva : CERN, 1998 - 6 p. Fulltext: PDF; Published version: PDF;
In : 17th International Conference on High-Energy Accelerators, Dubna, Russian Federation, 7 - 12 Sep 1998, pp.255-259 - Please contact the library if you need to access this document.
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2.
A 20 kA Test Bench for High-Precision Current Measurements / Dahlerup-Petersen, K (CERN) ; Halvarsson, Bjorn (CERN) ; Valbuena, R (CERN)
The d.c. currents in the LHC dipole and quadrupole chains will require settings and adjustments with a precision of a few ppm. [...]
LHC-Project-Report-270; CERN-LHC-Project-Report-270.- Geneva : CERN, 1998 - 4 p. Fulltext: PDF; Published version: PDF;
In : 17th International Conference on High-Energy Accelerators, Dubna, Russian Federation, 7 - 12 Sep 1998, pp.323-325 - Please contact the library if you need to access this document.
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3.
A Study of the Photodesorption Process for Cryosorbed Layers of $H_{2}, CH_{4}, CO$ or $CO_{2}$ at Various Temperatures between 3 K and 68 K / Anashin, V V ; Calder, R ; Gröbner, Oswald ; Malyshev, O B
The vacuum performance of the Large Hadron Collider (LHC) at CERN will depend critically on the photodesorption of gas by synchrotron radiation and the re-adsorption of these molecules back onto the cold surface. The results of photon induced molecular desorption by synchrotron radiation with a critical photon energy of 284 eV for H2, CH4, CO or CO 2 cryosorbed on a stainless steel surface are presented. [...]
LHC-Project-Report-261; CERN-LHC-Project-Report-261.- Geneva : CERN, 1999 - 7 p. - Published in : Vacuum 53 (1999) 269-72 Access to fulltext document: PDF; - Please contact the library if you need to access this document.
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4.
Origin of Possible Contamination Introduced by a Turbomolecular Pumping System / Bojon, J P ; Hilleret, Noël (CERN) ; Weiss, K P
Turbomolecular pumping groups are widely used in accelerators for the pre-evacuation and during the bake-out of the vacuum system. A major requirement for these groups, apart from pumping speed considerations, is the cleanliness of the vacuum produced. [...]
CERN-LHC-98-011-VAC.- Geneva : CERN, 1999 - 7 p. Report - Published in : Vacuum 53 (1999) 247-51 Access to fulltext document: PDF; - Please contact the library if you need to access this document.
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5.
Meaurements of Particulate Contamination and Migration under Vacuum Using a Large Sensitive Area Particle Counter / Jiménez, J M ; Dorier, J L ; Hilleret, Noël (CERN)
A large area (50 cm2) particle counter working under vacuum (10-7 mbar) has been developed at CERN and applied to measurements of particles released by several vacuum components like valves, gauges and ion pumps. [...]
CERN-LHC-98-010-VAC. - 1998. - 8 p.
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6.
Overview of Current UHV Activities on CERN Accelerators / Poncet, Alain
Ever since its birth, 45 years ago, CERN has been active in Ultra High Vacuum Science and Technology, faced with the ever-increasing demands of its storage rings and particle accelerators. [...]
CERN-LHC-98-009-CRI. - 1998. - 4 p.
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7.
Magnetic Field Measurements in Beam Guiding Magnets / Henrichsen, K N (CERN)
Electromagnets used as beam guiding elements in particle accelerators and colliders require very tight tole-rances on their magnetic fields and on their alignment along the particle path. This article describes the methods and equipment used for magnetic measurements in beam transport magnets. [...]
CERN-LHC-98-008-MMS.- Geneva : CERN, 1998 - 7 p. Report Fulltext: PDF; Published version: PDF;
In : 17th International Conference on High-Energy Accelerators, Dubna, Russian Federation, 7 - 12 Sep 1998, pp.288-293 - Please contact the library if you need to access this document.
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8.
Development of a fast gaseous detector : "micromegas" / Barouch, G ; Bay, A ; Bouchigny, S ; Charpak, Georges ; Derré, J ; Didierjean, François ; Faivre, Jean-Claude ; Giomataris, Ioanis ; Kochowski, Claude ; Kunne, Fabienne et al.
CERN-LHC-98-005-EET.- Geneva : CERN, 1999 - 17 p. Report - Published in : Nucl. Instrum. Methods Phys. Res., A 423 (1999) 32 Access to fulltext document: TIF PDF; Source files restricted to CERN users: ZIP; - Please contact the library if you need to access this document.
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