IPAC2017 - Classification: 10 Opening, Closing and Special Presentations / 03 Special Presentation

Paper

Title

Page

MOJGLA3

Welcome

M. Lindroos
ESS, Lund, Sweden

Welcome Words by Mats Lindroos

Slides MOJGLA3 [2.273 MB]

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MOYCA1

Ultimate Field Gradient in Metallic Structures

24

W. Wuensch
CERN, Geneva, Switzerland

Significant progress has been made over the past decade by studies of normal-conducting linear colliders, NLC/JLC (Next/Japanese Linear Collider) and CLIC (Compact Linear Collider), to raise achievable accelerating gradient from the range of 20-30 MV/m up to 100-120 MV/m. The gain has come through a greatly increased understanding of high-power rf phenomena, development of quantitative high-gradient rf design methods, refinements in cavity fabrication techniques and through development of high peak rf power sources. Recently accelerating gradients in excess of 100 MV/m, at very low breakdown rates, have been successfully achieved with new techniques of conditioning in numerous prototypes at different laboratories. The talk will report on the impact of these new results on the understanding of the physics of breakdown and of conditioning, and on the ultimate gradients that can be expected in metallic RF structures.

Slides MOYCA1 [52.087 MB]

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reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2017-MOYCA1

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THPPA1

IPAC'17 Bruno Touschek Prize Winner Presentation

F.G. Bisesto
INFN/LNF, Frascati (Roma), Italy

to be updated

Slides THPPA1 [2.305 MB]

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THPPA2

IPAC'17 Frank Sacherer Prize Winner Presentation

A. Grassellino
Fermilab, Batavia, Illinois, USA

to be updated

Slides THPPA2 [28.584 MB]

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THPPA3

Hybrid Multi Bend Achromat: from SuperB to EBS

3670

P. Raimondi
ESRF, Grenoble, France

The Hybrid Multi Bend Achromat: from SuperB to EBS. The motivations and rationale at the basis of the Hybrid Multi Bend Achromat (HMBA) lattice and its evolution through the years are presented. Its implementation in the ESRF Extremely Brilliant Source (EBS) upgrade is also shown.

Slides THPPA3 [24.610 MB]

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reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2017-THPPA3

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THPPA4

IPAC'17 Rolf Wideröe Prize Winner Presentation

L.R. Evans
CERN, Geneva, Switzerland

The design of the Large Hadron collider integrates more than 40 years of knowledge starting with the Intersecting Storage rings where hadron beams were first stored and stochastic cooling was discovered followed by the SPS proton-antiproton collider and the Tevatron, the first large superconducting machine. Lessons learned along the way and their impact on the LHC are discussed.

Slides THPPA4 [12.080 MB]

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THEA1

Illuminating Antimatter: The ALPHA Antihydrogen Experiment at CERN

J. Hangst
AU, Aarhus, Denmark

We have recently become able to study atoms of antihydrogen - the antimatter equivalent of hydrogen. The question to be addressed is fundamental and profound: 'Do matter and antimatter obey the same laws of physics?' The so-called Standard Model of fundamental particles and interactions requires that hydrogen and antihydrogen have the same spectrum. I will discuss the latest exciting development in antihydrogen physics: observation of a laser-driven transition (1S-2S) in trapped antihydrogen*. Precise measurement of the frequency of this transition could well be described as the 'holy grail' of physics with anti-atoms. To study antihydrogen, it must first be produced, then trapped**, and then held for long enough*** to observe a transition, using very few anti-atoms. I will discuss the techniques necessary to achieve this latest milestone, and then consider the future of optical and microwave**** spectroscopy, and gravitational studies***** with antihydrogen.
1 Ahmadi W. et al., Observation of the 1s-2s Transition in Trapped Antihydrogen, Nature doi:10.1038/nature21040 (2016).
2 Andresen, G.B. et al., Trapped Antihydrogen, Nature, 468, 673 (2010).
3 Andresen, G. B. et al. Confinement of antihydrogen for 1,000 seconds. Nature Physics 7, 558 (2011)

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FRYAA1

Discovery of the Island of Stability for Super Heavy Elements

4848

Y.T. Oganessian
JINR, Dubna, Moscow Region, Russia

The existence of a region of hypothetical Super Heavy Elements (SHE) forming region (island) with high stability in the vicinity of the doubly magic nucleus 298 114 was postulated in the mid-1960s. For more than 30 years, scientists hard searched for naturally occurring SHEs and unsuccessfully attempted to synthesize them using heavy ion accelerators. Over the past 15 years the breakthroughs in heavy element synthesis has achieved, using rare actinide targets irradiated with 48Ca beams. More than 52 neutron-rich nuclei including the isotopes of the new element 113-118 and their alpha-decay product where synthesized for the first time. SHE with Z> 40% larger than that of Bi show an impressive extension in nuclear survival: the map of the nuclides have extended up to mass number 294, the 7th row of the periodic Table have completed. The talk will cover this achievement and will give an outlook for the field including any plans at the new facilities: SHE-Factory, SPIRAL-2 and others.

Slides FRYAA1 [9.750 MB]

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reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2017-FRYAA1

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FRYBA1

From Niels Bohr to Quantum Computing

4852

K. Mølmer
AU, Aarhus, Denmark

The development and use of accelerators for research has been closely linked to an era of modern physics which of course includes quantum mechanics. Niels Bohr was one of the foreground figures in the development of quantum mechanics and the IPAC community would like to recognise his contributions to this field in 2017, when IPAC takes place in Copenhagen, where he was active. Quantum computing is a subject of enormous potential and interest, and we would like to hear about the historical links to Niels Bohr and the so called Copenhagen School of Quantum Mechanics, and what we realistically can expect from this development.

Slides FRYBA1 [2.490 MB]

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reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2017-FRYBA1

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FRYCA1

The Future of High-energy Accelerators

4856

J. Mnich
DESY, Hamburg, Germany

The physics results from high energy colliders, neutrino experiments and from experiments in space are changing the particle physics landscape. In the last decade several accelerator designs and studies have taken shape and reached a high level of maturity both at the high energy and high intensity frontiers. The talk should review the physics questions facing the HEP community and the strategy to address them in view of the next update of the European Strategy for Particle Physics.

Slides FRYCA1 [9.087 MB]

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reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2017-FRYCA1

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FRJGLA1

Closing remarks

M. Seidel
PSI, Villigen PSI, Switzerland

Final words

Slides FRJGLA1 [6.435 MB]

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