About EPJ

The European Physical Journal (EPJ) is a series of peer-reviewed journals covering the whole spectrum of physics and related interdisciplinary subjects. EPJ is committed to high scientific quality in publishing and is indexed in all main citation databases.

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EPJ E Highlight - α-SAS: Improving measurements of complex molecular structures

α-SAS for Janus particles. Credit: E M Anitas.

Integrating small-angle neutron scattering with machine learning algorithms could enable more accurate measurements of complex molecular structures.

Small-angle scattering (SAS) is a powerful technique for studying nanoscale samples. So far, however, its use in research has been held back by its inability to operate without some prior knowledge of a sample’s chemical composition. Through new research published in EPJ E, Eugen Anitas at the Bogoliubov Laboratory of Theoretical Physics in Dubna, Russia, presents a more advanced approach, which integrates SAS with machine learning algorithms.

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EPJ H Highlight - The importance of the 1949 Florence conference “StatPhys I” to physics

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Top of attendance sheet of the International Congress on Statistical Mechanics, 17-20 May, 1949

The first international conference devoted to statistical mechanics was also of great importance to scientific reconstruction in post-war Italy.

International science conferences are now a fixture in the calendar of most scientists. These face-to-face meetings allow researchers to gather and exchange the latest information, thus maintaining the scientific culture of the relevant disciplines by emphasising that no one researcher is an island.

Statistical physics, or statistical mechanics as it was once known, is the branch of physics that deals with the application of statistics to large systems, usually groups of particles. It, too, has its own international conferences, the origin of which goes back to the 17th to the 20th of May 1949 when around 70 physicists from eight countries met in Florence, Italy. This conference would later come to be regarded as “StatPhys I” with StatPhys referring to International Conferences on Statistical Physics, the series of conferences organised by the IUPAP.

A new paper published in the journal EPJ H: Historical Perspectives on Contemporary Physics discusses the importance of the 1949 statistical mechanics conference not just for physics but also for Italy’s post-war reemergence. The paper is authored by Roberto Lalli, Assistant Professor at the Polytechnic University of Turin and Visiting Scholar at the Max Planck Institute for the History of Science, and Paolo Politi, of the Florence Unit of the Institute for Complex Systems, who teaches statistical physics at the University of Florence.

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EPJ Web of Conferences Highlight - Quark Matter 2023 - 30th International Conference on Ultra-Relativistic Nucleus-Nucleus Collisions

The first all in-person Quark Matter conference after the pandemic was a big success.

The 30th edition of the International Conference on Ultra-relativistic Heavy-Ion Collisions, Quark Matter 2023, was held in Houston, Texas, on September 4-9, 2023.

It marked the return of a fully in-person conference ever since the pandemic necessitated many conference series, including Quark Matter, to resume online or in hybrid format. Nearly 700 participants from 28 countries, half of them graduate students and young scientists, contributed to a broad program highlighting recent results from theory and experiments conducted at a range of accelerator facilities. New opportunities from theoretical developments, experiment upgrades, and new experiments at existing or new facilities were discussed in more than 500 oral and poster presentations.

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