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Collective Autoionization in Multiply-excited Systems: a Novel Ionization Process Observed in Helium Nanodroplets
Abstract: Free electron lasers (FELs) offer the unprecedented capability to study reaction dynamics and image the structure of complex systems. When multiple photons are absorbed in complex systems, a plasma-like state is formed where many atoms are ionized on a femtosecond timescale. If multiphoton absorption is resonantly-enhanced, the system becomes electronically-excited prior to plasma formation, with subsequent decay paths which have been scarcely investigated to date. Here, we show using helium nanodroplets as an example that these systems can decay by a new type of process, named collective autoionization. In addition, we show that this process is surprisingly efficient, leading to ion abundances much greater than that of direct single-photon ionization. This novel collective ionization process is expected to be important in many other complex systems, e.g. macromolecules and nanoparticles, exposed to high intensity radiation fields
Aqueous-Phase Organometallic Catalysis
Now in its second completely revised and expanded edition. Written by the renowned editors B. Cornils and W. A. Herrmann, this book presents every important aspect of aqueous-phase organometallic catalysis, a method which saves time, waste and money. The large-scale application of this "green" technology in chemical industry clearly underlines its practical use outside of academia. New chapters (for example "Organic Chemistry in Water"), 20% more content and fully updated contributions from a plethora of international authors make this book a "must-have" for everyone working in this field. From the reviews of the first edition: "This overview will be extremely useful for everyone active in this field [...]" Angewandte Chemie "This book is an essential in any chemical research library and I strongly recommend it to all synthetic research and teaching chemists. [...]" The Alchemist "The editors are to be congratulated on assembling such a wide range of contributors who have described the industrial as well as the academic aspects of the subject." [...] Journal of Organometallic Chemistry
Just Security in an Undergoverned World
Just Security in an Undergoverned World examines how humankind can manage global problems to achieve both security and justice in an age of antithesis. Global connectivity is increasing, visibly and invisibly-in trade, finance, culture, and information-helping to spur economic growth, technological advance, and greater understanding and freedom, but global disconnects are growing as well. Ubiquitous electronics rely on high-value minerals scraped from the earth by miners kept poor by corruption and war. People abandon burning states for the often indifferent welcome of wealthier lands whose people, in turn, draw into themselves. Humanity's very success, underwritten in large part by lighting...
Comprehensive Handbook of Iodine
Over two billion people worldwide are at risk for the spectrum of disorders known as "The Iodine Deficiency Disorders." 1-10% will suffer cretinism; 5-30% will have some sort of brain damage or neurological impairment and 30-70% will be hypothyroid. The causes of iodine deficiencies can be considered from both simplistic and more complex perspectives: From the leaching of iodine from soil resulting in crops with low iodine content to malnutrition resulting in impaired iodine absorption. Poor dietary diversification and impoverished socio-economic development can also lead to iodine deficiencies. Although it is possible to diagnose and treat deficiencies, there is still an ongoing dialogue re...
The Nordic Countries and the European Security and Defence Policy
In 1999 the EU decided to develop its own military capacities for crisis management. This book brings together a group of experts to examine the consequences of this decision on Nordic policy establishments, as well as to shed new light on the defence and security issues that matter for Europe as a whole.
Small Satellites for Earth Observation
The 6th IAA Symposium on Small Satellites for Earth Observation, initiated by the International Academy of Astronautics (IAA), was again hosted by DLR, the German Aerospace Center. The participation of scientists, engineers, and managers from 24 countries reflected the high interest in the use of small satellites for dedicated missions applied to Earth observation. The contributions showed that dedicated Earth observation missions cover a wide range of very different tasks.
Advances and New Trends in Environmental Informatics
This book presents the latest findings and ongoing research in the field of green information systems as well as green information and communication technology (ICT). It provides insights into a whole range of cross-cutting concerns in ICT and environmental sciences and showcases how information and communication technologies allow environmental and energy efficiency issues to be handled effectively. Offering a selection of extended and reworked contributions to the 30th International Conference EnviroInfo 2016, it is essential reading for anyone wanting to extend their expertise in the area.
Nationalmuseum Bulletin
Vols. 1- include the Museum's annual report.
