Abstract
The PETRA IV project aims at upgrading the present synchrotron radiation source PETRA III at DESY into an ultralow-emittance source. Being diffraction limited up to X-rays of about 10 keV, PETRA IV will be ideal for three-dimensional X-ray microscopy of biological, chemical and physical processes under realistic conditions at length scales from atomic dimensions to millimetres and time scales down to the sub-nanosecond regime. In this way, it will enable groundbreaking studies in many fields of science and industry, such as health, energy, earth and environment, mobility and information technology. The science case is reviewed and the current state of the conceptual design is summarized, discussing a reference lattice, a hybrid multi-bend achromat with an interleaved sextupole configuration based on the ESRF-EBS design, in more detail as well as alternative lattice concepts.
Highlights
Modern society strongly depends on the development of new solutions to the grand challenges in the fields of health, energy, earth and environment, mobility and information technology
The PETRA IV project aims at upgrading the present synchrotron radiation source PETRA III at DESY into an ultralow-emittance source
The science case is reviewed and the current state of the conceptual design is summarized, discussing a reference lattice, a hybrid multi-bend achromat with an interleaved sextupole configuration based on the European Synchrotron Radiation Facility (ESRF)-EBS design, in more detail as well as alternative lattice concepts
Summary
Modern society strongly depends on the development of new solutions to the grand challenges in the fields of health, energy, earth and environment, mobility and information technology They require a deep understanding of the complex physical, chemical and biological processes in nature. X-rays of up to 10 keV in both directions (cf Fig. 2) In this way, PETRA IV would become the ultimate X-ray microscope, enabling users to follow chemical and physical processes in complex materials in situ and on length and time scales from atomic dimensions. The PETRA IV project was initiated in spring 2016 and is currently in its conceptual design phase This comprises a detailed analysis of the scientific generation light source ESRF-EBS with an emittance as low case, driven by the requirements of the various science as "x ’ 130 pm rad at a beam energy of 6 GeV (Liuzzo et al, communities and new experimental opportunities, a concep2016a). Ture, and electronic, vibrational and magnetic properties on all relevant length scales (cf. x2.2)
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