Advances in Atomic Molecular Collisions

Beschreibung

This book highlights the advances made in the field of atomic and molecular collisions both in the experimental and theoretical fronts. The study of the collision of charged particles with neutral target atoms or molecules started many decades ago. The charged particles mostly include electrons and fast heavy ions. This book discusses basic research in atomic molecular collision physics along with some of the important applications in other branches of physics and peripheral fields, such as plasma physics, radiobiology, astrophysics, nanosciences, antimatter physics, and surface science. The complexity of the target systems led to the need for more sophisticated experimental tools as well as advanced theoretical models. Since the last decade, a major focus has been to investigate the behavior of biomolecules (such as nucleobases) and water when irradiated with protons and heavy ions due its applications toward hadron therapy for cancer and radiobiology in general. The collisions with polycyclic aromatic hydrocarbons find applications toward astrochemistry that take place in the interstellar medium, solar wind as well as UV plasmonic devices. It has been proposed that the collective excitation in these molecules plays a major role in these applications. This book presents details about the advances made and the challenges faced in both experimental and theoretical front for studying the atomic collisions including these aspects. The book can be used as a reference for researchers, professionals, and also students. The recent advances in the sophisticated experimental tools for various types of experiments as well as the progress in the experimental methodologies are addressed along with the advancement in the theoretical front.

Atomic and molecular collision physics has undergone extraordinary transformations in last few decades which is driven by a convergence of breakthroughs in the sophisticated instruments, theoretical advancements, and computational capabilities.   Rapid advancement and availability of a number of sophisticated tools, such as, accelerators, ion sources, lasers, synchrotrons, free electron lasers etc, have led this remarkable transformation. On the other hand, there has been a phenomenal growth in the theoretical front which has not only complemented the experimental data, but also have predicted new mechanisms guiding the experimentalists to venture into the new and challenging experiments. This comprehensive collection of articles aims to capture the essence of these exciting developments, offering a comprehensive overview of the latest insights into the field. The articles are prepared such that the newcomers in the field will get a glimpse in the field while presenting state-of-the-art reviews for the scientists working in the field. The thirty authors from different countries, who have prepared the thirteen articles, are experts in their respective fields of research.  The articles deal with relatively new discoveries in atomic and molecular physics as well as the latest development in the field. The experimental techniques and the related scientific achievements using different electron spectrometers, EUV/VUV spectrometers, high-resolution momentum imaging and COLTRIMS have been dealt in details. The post-collision interaction in ion-atom collisions, the atomic and molecular ICD, spatial coherence in molecular double slit scattering, electron capture and Shannon entropy, collisions involving atomic and molecular dimers, ultrafast processes in clusters and fullerene (C60),  and processes like ionization and electron emission are delved in various chapters.  It also explores the theoretical modeling for the  structure and collisions involving water molecule and water-clusters [(H2O)n], important for radio-biological applications. In addition, theoretical techniques, such as, the CDW-EIS, CTMC, TDDFT and TDLDA, eikonal impulse  approximation, perturbed relativistic coupled-cluster theory are introduced in different chapters.  A few dynamical scenarios using fast and ultrafast laser pulses are explored, theoretically, starting from femtosecond to the attosecond domain. Bridging the gap between the spectroscopy and collisional aspects is one unique feature of this book. A suitable balance between theory-based (seven chapters) and experiment-based (six chapters) articles is important characteristics of this volume. Each chapter, surveys not only the current state of knowledge but also indicating  the pathways forward and indicating the practical applications of atomic collisions in diverse scientific disciplines, such as, science of plasmas, astrochemistry, astrophysics, radiobiology, radiation damage, laser and accelerator technology etc. It is expected that the volume serves as a valuable resource for researchers, students, and enthusiasts alike, pushing the boundaries of our understanding of atomic physics and its applications.

Autor*in

Lokesh C. Tribedi

Themen in »Advances in Atomic Molecular Collisions«

Highly Charged Ions Ion-atom Collisions Electron-spectroscopy ColTRIMS Atomic Clock Molecular Collisions EUV spectroscopy EBIT source Clusters and Ultra-fast science Ionization Electron capture Theories of ion-atom collisions Young type interference Intermolecular Coulombic Decay

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