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Titolo:
Simulation and measurement of the fringe field of the 1.5 T BABAR solenoid
Autore:
Antokhin, E; Buzykaev, A; Chupyra, A; Fedorov, D; Ganzhur, S; Kolachev, G; Litvinov, A; Medvedko, A; Mikerov, V; Mikhailov, S; Onuchin, A; Singatulin, S; Aleksan, R; Bourgeois, P; Gosset, L; Graffin, P; London, G; Mols, JP; Toussaint, JC; Berndt, M; Coombes, R; Ecklund, S; Jensen, D; Keller, L; Krebs, J; Lynch, H; Wolf, Z;
Indirizzi:
Ctr Etud Saclay, CEA, DAPNIA, F-91191 Gif Sur Yvette, France Ctr Etud Saclay Gif Sur Yvette France F-91191 191 Gif Sur Yvette, France Budker Inst Nucl Phys, Novosibirsk 630090, Russia Budker Inst Nucl Phys Novosibirsk Russia 630090 vosibirsk 630090, Russia Stanford Linear Accelerator Ctr, Stanford, CA 94309 USA Stanford Linear Accelerator Ctr Stanford CA USA 94309 nford, CA 94309 USA
Titolo Testata:
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
fascicolo: 1, volume: 432, anno: 1999,
pagine: 24 - 47
SICI:
0168-9002(19990801)432:1<24:SAMOTF>2.0.ZU;2-I
Fonte:
ISI
Lingua:
ENG
Keywords:
magnetic shielding; measurements of magnetic fields; finite element analysis; B-factory experiment; CP-violation;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Engineering, Computing & Technology
Citazioni:
9
Recensione:
Indirizzi per estratti:
Indirizzo: London, G Ctr Etud Saclay, CEA, DAPNIA, F-91191 Gif Sur Yvette, France CtrEtud Saclay Gif Sur Yvette France F-91191 r Yvette, France
Citazione:
E. Antokhin et al., "Simulation and measurement of the fringe field of the 1.5 T BABAR solenoid", NUCL INST A, 432(1), 1999, pp. 24-47

Abstract

In the context of the SLAG PEP-II asymmetric e(+)e(-) collider and the BABAR detector with its 1.5 T solenoid, we have calculated and measured the fringe field at the nearby beam elements and at the position of the photomultipliers external to the return iron but within a specially designed iron shield. The comparisons of these measurements with the simulations based on finite element analysis are remarkably good, within about 5 G at the most critical beam element. The field at the photomultipliers is less than 1 G, inagreement with the simulation. With a simple method of demagnetization of the shield, a maximum held of 0.6 G is obtained. (C) 1999 Elsevier Science B.V. All rights reserved.

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Documento generato il 29/11/20 alle ore 10:22:57