The ATLAS central solenoid

Yamamoto, A.; Makida, Y.; Ruber, Roger; Doi, Y.; Haruyama, T.; Haug, F.; Kate, H. Ten; Kawai, M.; Kondo, T.; Kondo, Y.; Metselaar, J.W.; Mizumaki, S.; Olesen, G.; Pavlov, Oleg V.; Ravat, S.; Sbrissa, E.; Tanaka, Kenichi; Taylor, T. Matthew; Yokota, Hiroshi

doi:10.1016/j.nima.2007.09.047

Cited by 32 publications

(29 citation statements)

References 18 publications

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“…Based on the experience gained with the CMS coil [3] and the ATLAS central solenoid [4] several key features can be deduced for the design of this 5 T magnet. The main design parameters of the solenoid are summarized in Table I …”

Section: Olenoid Design a Overviewmentioning

confidence: 99%

Conceptual Design of a 5 T, 6 m Long and 6 m Bore Solenoid for a Future Linear Collider Detector

Curé

Gaddi

Gerwig

et al. 2012

IEEE Trans. Appl. Supercond.

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The preliminary design of a next generation particle detector for the future linear collider foresees a magnetic field of 5 T at the interaction point. The magnet is a solenoid with a 6 m aperture and a length of 6.2 m and surrounded by an iron yoke. Operating current and stored energy are 18 kA and 2.3 GJ respectively. The peak magnetic field in the magnet windings is 5.8 T, a new record for this type of detector solenoids.A large bore 5 T coil implies pushing forward the design and the technologies used so far for this type of detector magnets. A preliminary design of the superconducting solenoid has been carried out to check its feasibility using the latest technologies developed for the LHC detector magnets, and to identify the research and development needs. A main issue is the engineering of a new aluminum stabilized NbTi/Cu conductor featuring reinforced aluminum and dimensions of about mm . This paper presents the main specifications of the proposed detector, the parameters and properties of the 5 T magnet, the characteristics of the superconductor, the specific R&D issues as well as an outlook to the development work in the years to come.

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Section: Olenoid Design a Overviewmentioning

confidence: 99%

Conceptual Design of a 5 T, 6 m Long and 6 m Bore Solenoid for a Future Linear Collider Detector

Curé

Gaddi

Gerwig

et al. 2012

IEEE Trans. Appl. Supercond.

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“…The coil survived all fault scenarios tested and in the case of a quench the maximum temperature remains below 120 K [4]. A full description of the coil design, coil production and various tests can be found elsewhere [5]. The coil is now in stand-by mode waiting for start of detector operation.…”

Section: Central Solenoidmentioning

confidence: 99%

ATLAS Magnet System Nearing Completion

Kate

2008

IEEE Trans. Appl. Supercond.

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Abstract-The ATLAS Detector at the Large Hadron Collider at CERN is equipped with a superconducting magnet system that consists of a Barrel Toroid, two End-Cap Toroids and a Central Solenoid. The four magnets generate the magnetic field for the muonand inner tracking detectors, respectively. After 10 years of construction in industry, integration and on-surface tests at CERN, the magnets are now in the underground cavern where they undergo the ultimate test before data taking in the detector can start during the course of next year. The system with outer dimensions of 25 m length and 22 m diameter is based on using conduction cooled aluminum stabilized NbTi conductors operating at 4.6 K and 20.5 kA maximum coil current with peak magnetic fields in the windings of 4.1 T and a system stored magnetic energy of 1.6 GJ. The Barrel Toroid and Central Solenoid were already successfully charged after installation to full current in autumn 2006. This year the system is completed with two End Cap Toroids. The ultimate test of all toroids by which maximum mechanical and thermal loads are exerted is being prepared and will be performed late 2007 where after normal operation will commence. The status of the project in its nearly completed state as well as the first experience with testing and operation in the underground cavern are reported.

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“…Solenoids are used extensively for focusing and transporting the beams in modern accelerators [1][2][3][4]. 16 Many high-energy particle detectors are equipped with superconducting (cold) solenoids [5][6], that 17 operate at very low temperatures.…”

mentioning

confidence: 99%

The effects of realistic pancake solenoids on particle transport

Gu¹,

Okamura²,

Pikin³

et al. 2011

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5Solenoids are widely used to transport or focus particle beams. Usually, they are assumed as being ideal 6 solenoids with a high axial-symmetry magnetic field. Using the Vector Field Opera program, we modeled 7 asymmetrical solenoids with realistic geometry defects, caused by finite conductor and current jumpers. 8Their multipole magnetic components were analyzed with the Fourier fit method; we present some 9 possible optimized methods for them. We also discuss the effects of "realistic" solenoids on low energy 10 particle transport. The finding in this paper may be applicable to some lower energy particle transport 11 system design. 12

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The ATLAS central solenoid

Cited by 32 publications

References 18 publications

Conceptual Design of a 5 T, 6 m Long and 6 m Bore Solenoid for a Future Linear Collider Detector

Conceptual Design of a 5 T, 6 m Long and 6 m Bore Solenoid for a Future Linear Collider Detector

ATLAS Magnet System Nearing Completion

The effects of realistic pancake solenoids on particle transport

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