Observation of transverse polarization in LEP

Badier, J.; Blondel, A.; Crozon, M.; Dehning, B.; Knudsen, Line Gry; Koutchouk, Jean‐Pierre; Placidi, M.; Schmidt, R.

doi:10.1109/pac.1991.164229

Cited by 3 publications

(3 citation statements)

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“…The commissioning of the Compton polarimeter was reported by Badier et al (1991b). Transverse polarization was first observed at LEP in 1990 (Badier et al 1991a, Knudsen et al 1991. The asymptotic degree of the polarization was (9.1 ± 0.3 (stat) ± 1.8 (syst))%.…”

Section: Early Work and Initial Measurements: 1990-1mentioning

confidence: 99%

“…Compton backscattering polarimeters have since been operated in almost all major high-energy e + e − colliders. A nonexhaustive listing is VEPP-4 (Artamonov et al 1982), DORIS (Barber et al 1983a), PETRA (Barber et al 1983b), CESR (MacKay et al 1984), TRISTAN (Nakajima et al 1991) and LEP (Badier et al 1991b). A schematic of a Compton backscattering polarimeter setup (the LEP polarimeter) is shown in figure 28.…”

Section: General Remarksmentioning

confidence: 99%

“…We begin with the publication of plans for a Compton backscattering polarimeter at LEP (Placidi and Rossmanith 1989) (see figure 28 for a schematic of the LEP polarimeter). The commissioning of the Compton polarimeter was reported by Badier et al (1991b). Transverse polarization was first observed at LEP in 1990 (Badier et al 1991a, Knudsen et al 1991.…”

Section: Early Work and Initial Measurements: 1990-1mentioning

confidence: 99%

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Spin-polarized charged particle beams in high-energy accelerators

2005

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We present a comprehensive survey of the dynamics of spin-polarized beams in high-energy particle accelerators. A major theme of this review is to clarify the distinction between the properties of an individual particle-a spin-and that of a beam-the polarization. We include work from a number of institutions, including high-and medium-energy facilities, synchrotron light sources and muon storage rings (including a proposal to measure the muon electric dipole moment) and, briefly, linear accelerators and recirculating linacs. High-precision tests of the Standard Model using spin-polarized beams are reviewed; also innovative studies using spin dynamics as a tool for accelerator physics per se. We include important historical works as well as modern developments in the field. The fundamental theory is derived in detail, starting from the basic principles of quantum mechanics, electrodynamics and statistical mechanics, as well as 'accelerator physics'. The principal theoretical formulae in the field (Froissart-Stora, Sokolov-Ternov and Derbenev-Kondratenko) are presented, with in-depth attention to the quantum-statistical mechanics, as opposed to purely 'accelerator physics'.

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Section: Early Work and Initial Measurements: 1990-1mentioning

confidence: 99%