Session E10: W.K.H Panofsky Prize and Robert R. Wilson Prize Session

W.K.H. Panofsky Prize: The Long Journey to the Higgs Boson: CMS

There has been a rich harvest of physics from the experiments at the Large Hadron Collider (LHC). In July 2012, the ground-breaking discovery of the Higgs boson was made by the ATLAS and CMS experiments. This boson is a long-sought particle expected from the mechanism for spontaneous symmetry breaking in the electro-weak sector that provides an explanation of how elementary particles acquire mass. The discovery required experiments of unprecedented capability and complexity. This talk, complementing that of Peter Jenni, will trace the background to the search for the Higgs boson at the LHC, the conception, the construction and the operation of the CMS experiment, and its subsequent discovery of the boson. The SM is considered to be a low energy manifestation of a more complete theory -- physics beyond the SM is therefore widely anticipated. Selected CMS results will be presented from the search for physics beyond the SM from the 13 TeV Run-2 at the LHC.   

W.K.H. Panofsky Prize: The Long Journey to the Higgs Boson: ATLAS

The discovery of the Higgs boson announced in July 2012 by ATLAS and CMS was a culminating point for a very long journey in the realization of the LHC project. Building up the experimental programme with this unique high-energy collider, and developing the very sophisticated detectors built and operated by world-wide collaborations, meant a fabulous scientific and human adventure spanning more than three decades. This talk will recall the initial motivation for the project, tracing its history, as well as illustrate some of the many milestones that finally led to the rich harvest of physics so far. The talk will focus on the ATLAS experiment, including also new, very recent results from the ongoing 13 TeV Run-2 of LHC. And this is only the beginning of this fantastic journey into unchartered physics territory with the LHC.   

Robert R. Wilson Prize I : Intrabeam Scattering and Touschek Effect

Intrabeam scattering and the Touschek effect are explained and compared. Especially intrabeam scattering plays an important role in colliders and synchrotron radiation sources where it limits the beam lifetime and the brightness,respectively. A short history of the consequences of both effects in different accelerators is given. An invariant due to intrabeam scattering is discussed which shows that only below transition energy a stable particle distribution is possible whereas above transition energy a stable distribution cannot exist.   

Robert R. Wilson Prize III: Applications of Intrabeam Scattering Formulae to a Myriad of Accelerator Systems

We discuss our entree into accelerator physics and the problem of intrabeam scattering in particular. We focus on the historical importance of understanding intrabeam scattering for the successful operation of Fermilab's Accumulator and Tevatron and the subsequent hunt for the top quark, and its importance for successful operation of CERN's Large Hadron Collider that discovered the Higgs boson. We provide details on intrabeam scattering formalisms for hadron and electron beams at high energies, concluding with an Ansatz by Karl Bane that has applications to electron damping rings and synchrotron light sources.