The Bending Magnet System of LEP

Giesch, M.; Gourber, J.P.

doi:10.1007/978-94-009-0769-0_21

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Main Dipole Magnets2

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Cited by 4 publications

(2 citation statements)

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“…Therefore, a dilution in the longitudinal direction (e.g. with concrete, as in LEP [286]) is not necessary, and it would bring more complications than savings in materials.…”

Section: Main Dipole Magnetsmentioning

confidence: 99%

FCC-ee: The Lepton Collider

Abada¹,

Abbrescia²,

AbdusSalam³

et al. 2019

Eur. Phys. J. Spec. Top.

689

511

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“…Therefore, a dilution in the longitudinal direction (e.g. with concrete, as in LEP [286]) is not necessary, and it would bring more complications than savings in materials.…”

Section: Main Dipole Magnetsmentioning

confidence: 99%

FCC-ee: The Lepton Collider

Abada¹,

Abbrescia²,

AbdusSalam³

et al. 2019

Eur. Phys. J. Spec. Top.

689

511

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“…The LEP main bending magnets consisted of 3280 cores, each 5.75 m long [33]. The cores were made of magnetic steel in a concrete matrix, with a stacking ratio of 0.27.…”

Section: Dipole and Quadruple Main Magnetsmentioning

confidence: 99%

LEP3: A High Luminosity $e^+e^-$ Collider to Study the Higgs Boson

Blondel

Koratzinos²,

Assmann

et al. 2012

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A strong candidate for the Standard Model Scalar boson, H(126), has been discovered by the Large Hadron Collider (LHC) experiments. In order to study this fundamental particle with unprecedented precision, and to perform precision tests of the closure of the Standard Model, we investigate the possibilities offered by an e + e − storage ring collider. We use a design inspired by the B-factories, taking into account the performance achieved at LEP2, and imposing a synchrotron radiation power limit of 100 MW. At the most relevant centre-of-mass energy of 240 GeV, near-constant luminosities of 10 34 cm -2 s -1 are possible in up to four collision points for a ring of 27km circumference. The achievable luminosity increases with the bending radius, and for 80km circumference, a luminosity of 5 10 34 cm -2 s -1 in four collision points appears feasible. Beamstrahlung becomes relevant at these high luminosities, leading to a design requirement of large momentum acceptance both in the accelerating system and in the optics. The larger machine could reach the top quark threshold, would yield luminosities per interaction point of 10 36 cm -2 s -1 at the Z pole (91 GeV) and 2 10 35 cm -2 s -1 at the W pair production threshold (80 GeV per beam). The energy spread is reduced in the larger ring with respect to what is was at LEP, giving confidence that beam polarization for energy calibration purposes should be available up to the W pair threshold. The capabilities in term of physics performance are outlined.

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Twin Aperture Bending Magnets and Quadrupoles for FCC-ee

Milanese¹,

Bohdanowicz²

2018

IEEE Trans. Appl. Supercond.

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The Bending Magnet System of LEP

Cited by 4 publications

References 3 publications

FCC-ee: The Lepton Collider

FCC-ee: The Lepton Collider

LEP3: A High Luminosity $e^+e^-$ Collider to Study the Higgs Boson

Twin Aperture Bending Magnets and Quadrupoles for FCC-ee

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