1、List of the Research Study ProjectsTitle of the laboratory work and its durationDescriptionSupervisorRequirementsfor studentsFlerov Laboratory of Nuclear Reactions Studying nuclei on the nuclear stability border (1 month)A.G. ArtyukhStudying light products of nuclear reactions (the Acculina Facility
2、)R.S. SlepnyovStudying decay products in fission reactions.Production of exotic nucleus beams (the DRIBs project) (1 month)S.V. MitrofanovStudying micro-objects with an electronic microscope(1 month)The aim of course is to acquaint students with scanning electron microscory, and layout and performan
3、ce of the scanning electron microscope; to teach them skills of preparing samples for the scanning electron microscope and operating it; and to acquaint them with modern techniques of scanning electron data processing.O.L. OrelovichResearch into radiation properties of materials (1 month)V.F. Reutov
4、Search for rare modes of fission fragments decay (2 weeks)V.I. ZhemenikRemarks: usual student enrolment in FLNR is 1012; general supervision is by Prof. B.N. Markov; All the students attending the practice at the LNR will have one lesson of safety measures.Frank Laboratory of Neutron Physics, Nuclea
5、r Physics DepartmentIon beam analysis a) Construction and the main parameters of the EG-5 electrostatic generator.b) The experimental installations for research of solids by the nuclear methods on the Dr. Alexander Kobzev, senior scientistBasics of classical electrodynamics and atomic physicsbeams o
6、f the EG-5 accelerator.c) Rutherford backscattering spectrometry.d) Nuclear reactions method.e) Particle induced X-ray emission method.f) Elastic recoil detection method. Research of the energy resolution of the surface - barrier detector of the charged particles. Research of the energy resolution o
7、f the Si (Li) - detector for an X-ray. Processing of a Rutherford backscattering spectra with using the computer program DWBS.Preparation of the report about the practice.Measurement of delayed neutron yields from thermal neutron induced fission of 237Np.(1 week)The purpose of the study will be the
8、measurement of delayed neutron yields from thermal neutron induced fission of 237Np. The method based on periodic irradiation of the sample in a pulsed neutron beam with the subsequent detection of neutrons in intervals between pulses is used in the experiment.The method will be realized on the “Iso
9、mer-M” setup located on the channel of the IBR2 pulsed reactor.Rebrova Natalia, Master of Physics, Research Assistant of the FLNP.Basics of experimental nuclear physicsCorrelative gamma-spectroscopy of neutron-nucleus interactions using the COCOS setup(1 week)The COCOS spectrometer is a combined usa
10、ge of a semiconductor HPGe detector, which possesses high energy resolution, and scintillator crystals with high efficiency for registration of gamma-rays. This setup was used for investigation of fundamental problem of parity violation in neutron-nucleus interactions. The students are proposed to l
11、earn the basic principles of operation of this installation and to take part in the energy calibration of the spectrometer.Zhdanova Kristina, Research Assistant of the FLNP, Nuclear physicsBasics of nuclear physicsa) Determination of the number of 10B nuclei into a boron sampleA 10B sample was used
12、in the measurements of the 10B(n,a) reaction induced by fast neutrons. Dr. Gledenov Yuri Mikhailovich,Basics of neutron physicsb) Preparation and test of a special ionization chamber(1 month)These measurements were performed on the fast neutron beam from Van-de-Graaf accelerators EG-4.5 and EG-5 in
13、Beijing and Dubna. Because there are some difficulties in understanding the results, we need to check the ammount of 10B nuclei in sample. We are going to perform this measurement using a thermal neutron beam from neutron source and an ionization chamber as charged particle detector.Leading scientis
14、t,andSedyshev Pavel VictorovichFrank Laboratory of Neutron Physics, Condensed Matter DepartmentDRON-4 diffractometer(10 days)The X-ray diffraction technique: sample preparation, measurement of diffraction patterns, data processingDr. A. IslamovBasics of solid state physics3-5Sample environment used
15、at the IBR-2 spectrometers(2 days)Information about the sample environment used in neutron scattering experiments: furnaces, refrigerates, goniometers etc.Eng. V.G. SimkinBasics of solid state physics3-5Laboratory exercise and its brief descriptionAnalysis of experimental diffraction spectra. The pu
16、rpose of course is study mathematical methods of solving the most important problems of the diffraction spectra analisis (peak analysis, Rietveld analysis, Powder match, Fourier synthesis) and computer application of these methods.Dr. V.B. Zlokazov Basics of solid state physics; Problems in this are
17、a and physical methods of their solution.3-5Frank Laboratory of Neutron Physics, Department of IBR-2 Spectrometers ComplexDetermination of the characteristics of SNM-17 type neutron counters(4 days)The students should assemble from ready-made blocks a test bench for determination of the characterist
18、ics of SNM-17 neutron counters. Also Churakov A.V,junior research assistantThe students should be able to work with a personal computer and to they should calibrate a number of such counters. These characteristics are: the counter efficiency and the dependences on voltage of the gas-amplification fa
19、ctor and of the energy resolution.NB: Time to accomplish the work is 2 to 4 days.be familiar with basics of nuclear physicsFrank Laboratory of Neutron Physics, Department of Neutron Activation AnalysisNuclear-related analytical methods used for Life Sciences and Material Scienceat radioanalytical co
20、mplex REGATA at the reactor IBR-2 FLNP JINREnergy calibration of semiconductor high purity Ge detector(2 hours)To calibrate detector students use standard gamma-couirces OSGI (24Na, 60Co, 137, Cs, 241 Am).Dependence of the efficiency of gamma-quanta registration on the distance of a sample from a de
21、tector surface(2 hours)To carry our this Practical students use hermetic reference source of 152EuMeasurement of long-lived induced activity of real experimental samples irradiated in May 2006(25-30 hours with intervals)Student re-measure samples for determination of long-lived isotopes with half-li
22、fe period of more that 30 days. They learn how to identify gamma-lines, how to use software developed in the Department for determination of elemental concentration in experimental samples (construction materials, biological samples, aerosol filters, etc.)Prof.Marina V. Frontasyevae-mail:Marinanf.ji
23、nr.rutel. 7(49621) 65069Obligatory: general physics, general chemistry, course on nuclear physics; fluent English and good knowledge in computing (EXCEL, STATISTICA, SURFER)Desireably: practicum on experimental nuclear physics (practicum), gamma- pectrometry,Course of general ecology (Eath Sciences)
24、, course of environmental chemistry, basic knowledge in soil sciences, statistical methods of data processing (chemometrics)Before Practicals, students are instructed for radiation safety at radioanalytical complex REGATA (Instruction 43-8P) and get ascuainted with Instruction on experimental work i
25、n the fields of ionizing radiation at JINR (Instruction -1).Practicals, are carried out at rooms 129 and 155.Baldin and repair detectors produced by other companies.V.G. Sandukovsky,Jan JurkowskiDariusz BorowiczResearch work in the field of semiconductor detectors is intended for physics students of
26、 the third fifth years.Laboratory of Radiation BiologyInstrumental methods of radiation safety(7 days)Photon dosimetry, neutron dosimetry and radiometry, individual dosimetry. Radiation environment monitoring, automatic systems of radiation monitoring at nuclear facilities. Radon dosimetry in workin
27、g dwellings.Ju.V. Mokrov Cytology (6 days) Arrangement of light microscope, setting and preparation to the cells microscoping. Determination of cell concentrations and sizes. Anaphase analysis of fissionable cells and their chromosomal damages. Metaphase analysis of fissionable cells.R.D. Govorun Mi
28、crobiology (7 days) Techinque of cultivation and storage of different microorganisms (bacteriums, fungi, viruses). Method of dresser, cloning and A.V. Boreyko numerical registration of microorganism cells.Sampling of growth curves for the bacteriums Escherichia coli and yeast Saccharomyces cerevisia
29、e and determination of cellular cycle phases, growth rate, cells generation time as well. Investigation of lethal and mutagenic action of ultraviolet light to the microorganism cells. Construction of graph “Dose-effect”. Lysogenization of bacterial cells, selection of lysogens and prophage induction
30、.Molecular biology (7 days) Transformation of plasmid DNA of Escherichia coli bacteriums.Detachment of plasmid DNA fromEscherichia coli bacterium cells.Transformation of plasmid DNA ofSaccharomyces cerevisiae yeast. Detachment of plasmid DNA fromSaccharomyces cerevisiae yeast cells.Restrictive DNA analysis and electrophoresis.N.A. Koltovaja
