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/pdf/resonance-and-coupling-effects-in-circular-accelerators-4dp3a9bqa5.pdf

Proceedings, 11th International Conference on High-Energy Accelerators, HEACC 1980

Resonance and coupling effects in circular accelerators

A Fourier analysis is used to describe the signals and noise generated from the (relativistic) beam dynamics of a storage ring to extra beam phase space distributions from the spectral contents of these signals (AIP)

/pdf/spectral-analysis-of-relativistic-bunched-beams-1xh0vlf34h.pdf

Spectral analysis of relativistic bunched beams

During the second half of 1950s new ideas in the accelerator art were put forward by different groups aiming at the development of high-energy facilities. In the general context of both these developments and the theoretical issues of the time, the origin of AdA, the first electron-positron collider developed at Frascati (Italy) in the early 1960s following Bruno Touschek’s proposal, is examined. A particular attention is devoted to the genesis of the idea exclusively focused from the very beginning on the importance of a systematic and thorough study of electronpositron collisions as a tool for investigating yet unexplored hadronic physics, and how this could be achieved, at least in principle, by constructing a single magnetic ring in which bunches of opposite sign could circulate and intersect many billion times. The reconstruction is based on unpublished manuscripts and personal notebooks preserved in Touschek’s Archive of the Physics Department of Rome University “La Sapienza”, as well as on correspondence exchanged with Wolfgang Pauli in the 1950’s.

Bruno Touschek vs. machine builders: AdA, the first matter-antimatter collider

A detection scheme based on real-time measurement of antihydrogen annihila- tions during radiation injection is presented, which allows an efficient use of the trapped atoms for laser and microwave spectroscopy. The application of real-time detection of H annihilations to microwave spectroscopy, which yielded the first evidence of microwave- induced spin-flip transitions in trapped antihydrogen (1), is reported.

/pdf/real-time-detection-of-antihydrogen-annihilations-and-17xby75tyl.pdf

Real-time Detection of Antihydrogen Annihilations and Applications to Spectroscopy

Problems associated with bunched beam stochastic cooling are reviewed. A longitudinal stochastic cooling system for RHIC is under construction and has been partially commissioned. The state of the system and future plans are discussed.

/pdf/stochastic-cooling-for-bunched-beams-4ggax66fmw.pdf

Proceedings, 11th International Conference on High-Energy Accelerators, HEACC 1980

Citations

Resonance and coupling effects in circular accelerators

Spectral analysis of relativistic bunched beams

Bruno Touschek vs. machine builders: AdA, the first matter-antimatter collider

Real-time Detection of Antihydrogen Annihilations and Applications to Spectroscopy

Stochastic Cooling for Bunched Beams

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