Joint Institute for Nuclear Research
"High Standards of Popular Science Literature: Online-Talk" by Igor Ivanov
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- Category: Лекции
The wide audience should know about scientific research. The audience needs it, and in the long run, scientists need it too. However, communicating science, one should act properly and not only have expertise in the subject field but also consider the target audience. There are plenty of formats and platforms for communicating science; however, they are not always efficient. Recently, the book “Explaining Science: Guide for Popular Science Writers” has been issued by Alpina Publisher. Igor Ivanov, a DLNP employee, shares his 20-year experience in writing popular science commentaries, analyzes typical errors, and describes his methods of writing a good popular science text. Inspired by this book, DLNP initiates an online talk on high-quality science popularization. We will discuss not only popular science literature but also other formats of scientific communications, particularly, their application to science advanced at JINR.
Adjustment and Preparation for Commissioning of the Electron Linear Accelerator LINAC-200
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- Category: News
At DLNP, the adjustment and commissioning work is well under way at LINAC-200, the first stage of the electron linear accelerator LINAC-800. The accelerator is intended for carrying out methodological investigations of detectors developed at JINR, solving applied problems with the use of electron beams, and implementing educational programmes of the JINR University Centre. The accelerator will produce electron beams with energies of 10 MeV to 200 MeV in a wide intensity range.
“Development and Application of Methods for Studying Photodetectors” by Nikolay Anfimov
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- Category: Seminars
Photodetectors with internal amplification such as vacuum photomultiplier tubes (PMTs), silicone photomultipliers (SiPMs) and avalanche photodiodes (APDs) play a significant role in advancement of science and technology. They are used in up-to-date medical equipment—positron emission tomographs (PETs) and gamma chambers; in cargo and luggage control systems—scanners and introscopes; in laser location and lidars, and in many other areas.
In modern experimental nuclear physics, photodetectors of this kind are used in scintillation counters, time-of-flight systems, scintillation homogeneous and heterogeneous calorimeters, Cherenkov detectors, trackers, large-scale liquid scintillator detectors and water Cherenkov detectors employed for neutrino physics and other purposes.
Eighth Lecture by Igor Ivanov “Zeptoseconds and yoctoseconds” from the Series “Time Scales: Travelling Deep into the Second with Historical Sketches”
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- Category: News
Nuclear time scale. Lifetime of isotopes. Crystal blocking technique. Collision of relativistic nuclei.
A New Method for Measurement of Low Neutron Fluxes using Iodine-Containing Scintillators
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- Category: News
One of the most important objectives pursued in low-background experiments on the search for rare events is the study and continuous monitoring of neutron fluxes in the vicinity of the detection setup. The problem is that neutron fluxes in low-background experiments are thousands of times lower than on the ground. The gold standard for neutron flux measurement is the 3He-based counter due to a large cross section for thermal neutron capture (5333 b) and extremely low sensitivity of these counters to the gamma background. Unfortunately, there are no commercial 3He sources: its content in natural helium is only 0.000137%. All the available amount of 3He is produced at nuclear reactors, and its cost is more than $2000 per litre.
Seventh Lecture by Igor Ivanov “The atom from inside” from the Series “Time Scales: Travelling Deep into the Second with Historical Sketches”
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- Category: News
Innermost electrons. Tools of attophysics. Excited atoms.
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