Rare Isotope Beams : Concepts and Techniques book cover
1st Edition

Rare Isotope Beams
Concepts and Techniques

ISBN 9781498788786
Published July 1, 2021 by CRC Press
304 Pages 124 B/W Illustrations

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Book Description

Rare Isotope Beams (RIBs) are ion beams of exotic radioactive nuclei. The study of these nuclei is key to understanding the limits of nuclear existence, nucleo-synthesis in such violent stellar sites as supernovae and merging neutron stars, and the fundamental symmetries of nature. These nuclei also provide a unique probe to study condensed matter and many of them are potentially new radioisotopes for more effective medical diagnostics and therapy.

Rare Isotope Beams: Concepts and Techniques gives an up-to-date overview of all these aspects of RIB science in a single volume containing the scientific motivation, production techniques, experimental techniques for studying exotic nuclei, methods used in condensed matter research, and medical applications. The emphasis throughout is on concepts to facilitate understanding of the essence of each topic in this diverse and cross-disciplinary field involving nuclear physics, astrophysics, and particle accelerators. A brief description of major RIB facilities is also presented.

Exotic nuclei are difficult to produce in enough numbers and their production involves different nuclear reaction routes and a wide range of advanced technologies, which are presented in a comprehensive manner. Experimental techniques used to study exotic nuclei are provided with examples highlighting the intricate nature of such experiments. Another unique feature is the open-ended nature of the discussions, bringing out the future challenges and possibilities in this evolving field.

The book offers an excellent overview of concepts and techniques involved in RIB science for new researchers entering the field as well as professionals.

Table of Contents

1. Rare Isotope Beams—The Scientific Motivation

2. Production of Rare Isotope Beams: The Two Approaches

3. Nuclear Reactions for Production of Rare Isotope Beams

4. Targets for RIB Production

5. Ion Sources for RIB Production in ISOL-Type Facilities

6. Accelerators for RIB Production and Post-Acceleration

7. Experimental Techniques

8. Overview of Major RIB Facilities Worldwide


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Alok Chakrabarti, former Director at the Variable Energy Cyclotron Center (VECC),

Kolkata, India, and former Raja Ramanna Fellow at VECC, is an accomplished Physicist

and a leader who has pioneered the fields of Exotic Nuclei and Rare Isotope Beams (RIB)

in India.

Dr. Chakrabarti began his career in 1979 at the Bhabha Atomic Research Center (BARC),

Mumbai, India, and earned his Ph.D. from the University of Calcutta, Kolkata, India. A

recipient of the Indian Physical Society’s Young Physicist award, DAE’s Homi Bhabha

Science and Technology Award and “Brojendranath Seal Smarak Samman,” he has published

more than 100 papers in reputed peer-reviewed journals. Dr. Chakrabarti is regularly

invited to deliver lectures at institutes of world repute and prestigious conferences.

For his research, Dr. Chakrabarti built India’s first on-line isotope separator at VECC and

developed many key techniques for experimental study of short-lived nuclei. His major

contributions include the discovery of a new isomer, a new technique for beta-delayed

proton spectroscopy and an innovative experimental study which proves that asymmetric

splitting survives in fission, rather surprisingly, up to quite high excitations and that there

is a signature of bi-modal fission.

As a Project Director, Dr. Chakrabarti initiated and led the RIB project at VECC for

which he successfully developed a number of advanced particle accelerators. This

includes India’s first heavy ion Radio Frequency Quadrupole (RFQ) linac, a state-of-the-art

machine that efficiently accelerates low-energy ion beams. Dr. Chakrabarti, along with Dr.

Dechoudhury, suggested a novel concept on “Alternate Phase focusing in independently

phased superconducting resonators,” which makes acceleration of particles much more

efficient and allows acceleration of ions having different charge states.

Dr. Chakrabarti has supervised more than a dozen Ph.D. students. He also serves as

Referee for journals such as European Physics Journal A, Review of Scientific Instruments,

Pramana, Nuclear Instruments and Methods and Ceramics International and serves on the

Scientific Committees of major international conferences in the field of particle accelerators.


Vaishali Naik is presently serving as Head of the RIB Facilities Group at VECC, Kolkata,

India. A post-graduate in the Department of Physics, University of Pune, India, Dr. Naik

graduated from the 33rd batch of training school at BARC, Mumbai, India. She joined

VECC in 1991 and began her career as an experimental nuclear physicist. She later started

working on particle accelerator development for the RIB program, where she played a

leading role in the design and development of ECR ion sources and RFQ linacs and developed

a gas-jet ECR technique that led to the first successful production of RIBs using the

facility at VECC. A recipient of the DAE Scientific and Technical Excellence Award and

Group Achievement Awards, Dr. Naik has published more than 30 papers in reputed peerreviewed

journals. She is presently supervising several Ph.D. students as a Professor at the

Homi Bhabha National Institute (HBNI) and is also the Project Leader for the superconducting

electron linac at VECC that is being built in collaboration with TRIUMF, Canada.


Siddhartha Dechoudhury joined the RIB Facilities Group at VECC, Kolkata, India, in 2001

as a Scientific Officer after completing his M.Sc. in Physics, followed by a one-year orientation

course in the 44th batch of the Training School at BARC, Mumbai, India. Since then,

he has been actively involved in the design and development of particle accelerators for

the RIB project at VECC. His doctoral thesis, under supervision of Dr. Alok Chakrabarti,

was on the development of a heavy ion rod type RFQ, which is the first of its kind in

India. Presently he is involved in the development of a superconducting electron linac

photo-fission driver, which is a joint collaboration between VECC and TRIUMF, Canada.

Dr. Dechoudhury was conferred with a DAE Young Scientist Award in 2007 and a DAE

Science and Technology Award in 2010. He has contributed to 30 publications in reputed

peer-reviewed journals and about 40 papers in national and international particle accelerator