Unit Overview
Lanzhou Heavy Izon Accelerator National Lab is a national laboratory of the Chinese Academy of Sciences responsible for construction and development.
December 1988, the Lanzhou Heavy Izon Accelerator built a bunch.
In August 1991, the State Planning Commission approved the establishment of the Lanzhou Heavy Izon Accelerator National Lab and opened to home and abroad.
Lanzhou Heavy Izon Accelerator is the first large-scale heavy ion accelerator system in my country, the Modern Physics Research Institute, which is responsible for design and construction.
Its victory is built to open up the new field of "research on" medium-energy heavy ion physical basic research and application "in China, marking the technical level of my country's cyclotrifidor technology, and has entered the international advanced level. It is also motivating the majority of young people to learn science, love science, strong quality, and early success.
Lanzhou Heavy Izon Accelerator National Laboratory's daily business management is fully responsible by the Modern Physics Research Institute of the Chinese Academy of Sciences. The National Lab Academic Committee consisted of more than 50 Chinese and foreign scholars and experts. He is currently the director of the Lanzhou Heavy Izon Accelerator National Laboratory. The beam distribution of the experiment is based on the application of the user according to the user's application, according to the innovative, technical advanced nature of physical ideology and the principle of the enthusiasm of the national economy, and focuses on the self-supporting time. Lanzhou heavy ion accelerator runs about 5,000 hours per year, completes 20 experiments. There are 61 senior researchers and senior engineering technicians, including 7 doctoral tutors. In recent years, 61 graduate students related to accelerator have been cultivated.
Research sector
Lanzhou Heavy Izon Accelerator National Laboratory Research Field Reference: Radioactive Beam Physical Research; Restably from Nonculotin Synthesis and Decayment of Stabilized Lines; Low Medium Come And thermuclear properties; high self-propelled nuclear structure research; atomic nuclear theory research; application study of heavy ion beam in intersection of solid physics, material science, life science, and geometric physics; physical and technological research of heavy ion accelerator.
device structure
HIRFL consists of a main part of an ion source, an injector, a main accelerator, 8 experimental terminals, and a beam transport line, and an injector is a modified energy constant. The 1.7-meter fan focusing cyclotron is a 1.7-meter fan of 69, and the main accelerator is a large separation fan cyclotector of an energy constant 450. The injector is combined with the main accelerator, which can accelerate the energy of C to XE to 100 to 10 MeV / U energy. In July 1997, an innovative radioactive secondary bundle streamline (RIBLL) was built on HIRFL, which has created conditions for my country's international front-edge field of radioactive beam physics. In 1998, the National Major Scientific Engineering of Cross-Century-Lanzhou Heavy Izon Accelerator Cooling Storage Ring (HIRFL-CSR) has begun to implement. It not only allows HIRFL to continue to maintain advanced positions in the world, but also make new breakthroughs in my country's physical frontside in the world in more advanced experimental conditions.
In more than 10 years, the majority of scientific and technological personnel work closely, struggle to attack, and overcome one technique. After the completion of the Lanzhou Heavy Izon Accelerator, the researchers inside and outside, using the heavy ion beam provided by the accelerator, carried out experimental studies in the international front-edge field, and achieved remarkable results.
Research results
HIRFL has been built in 10 years, and the operating state is good. In particular, the input of high-electrocondrous ECR ion sources makes the operating level of HIRFL significantly. By 1998 laboratory has provided more than 50 different types, different energy bundles for more than 200 experiments in more than 40 colleges and scientific research units in my country. Most of these experiments are major, key research projects, which have funded funds such as National Natural Science Foundation, 863 Program, Climbing Plan, covering the physical basic research and application of heavy ion physics.
(1) Heavy ion physical basic research Enters the world's advanced ranks in the synthesis and research of novel, and the recent physical ideals and novel technology routes, first, it is important The physical significance has made breakthroughs in the slow-quality Fengzhongzi District, which has progressed in the world, has been combined in the world for the first time in the world, and five new novels such as HG, PA, HG, HG, TH were synthesized. The breakthrough of synthetic zero makes an important contribution. Subsequently, neoplastic gd and Ce in the vicinity of proton drip line are synthesized from the vicinity of the proton drip line in the medium quality zone. At the same time, important drip cores were synthesized, and the nature of their singular decay was successfully studied for the first time. For the first time, five important lack of neutronne ER, YB, FR, and 0CE were established, which is also the first time that my country's scientists use the domestic experimental devices for the first time.
In the study of low-energy heavy ion nuclear reaction mechanisms, the first time I confirmed the deep non-elastic collision in the light system; proposed and confirmed the new reaction mechanism of non-complete deep non-elastic collision; From the experiment confirmed the existence of large mass transfer reaction mechanisms near the Coulomb. For the first time, it confirmed the dependencies of linear momentum metastasis and systematic non-mobilization in medium-energy heavy ion collision; in detail the launch time standard of thermal nuclear system emission light tape ion and medium quality debris and its relationship with particle energy, launching space, And the relationship between the initial nuclear temperature and the excitation can prove that the thermal nucleus is successively transmitted from the particles to the multi-fragmentation transition process.
In the past few years, the study of the above-mentioned research, medium-energy heavy ion collision and thermal nucleus, in theory, theoretically proposed two-body associated transport theory and dimensional associated transportation in the same shell model, heavy ion collision Multiple fragmentation static models, etc. These results were rated as one of the top ten scientific achievements and scientific and technological achievements in the country. Two won the Wu Qianxun Physics Award, and also won the first prize of the Natural Science of Chinese Academy of Sciences, second prize. And made our country a place in the international nuclear physics community.
(2) Heavy ion beam application research has achieved innovative progress in electrical damage studies, the first time, the critical irradiation dose of the polycrystalline YIG amorphous threshold electron energy is determined, so that the material The study of irradiation injury and amorphization is forward to an important step. It has made important progress on the irradiance effect of mixtures materials, providing valuable reference data for future applications. The heavy ion beam produced by HIRFL was carried out, and the surface detection of computer chip was completed, providing a large amount of valuable data.
High-charge homogenic atom physics research, not only has a number of important atomic energy-level data, but also uses advanced methods that meet the measurement, and the high-electrical ions have been deeply studied in depth.
Heavy ion acceleration has a prominent advantage and practical value compared to other radiotherapy. Through a few years of in-depth research, many important basic data and new results have been proposed, and there may be a new point of view of the third point of the heavy ion bombardment on the DNA molecule, which has attracted the general concern of international peers.
In the study of heavy ion irradiation breeding, 13 wheat new products were obtained, and the drying production increased by more than 20%. At the same time, a new view is also proposed in the mechanism of inflationary biting, which is important to further carry out the bobility of heavy ion irradiation. Heavy ion irradiated gentamicin strain experiments, and the effect of improving the use of nearly 200% of the useful strain, which has opened up broad prospects for the production of medical antibiotics.
Lanzhou Heavy Izonic Accelerator National Lab has adopted the "Open, Flow, Joint" operating mechanism, has established long-term and stable cooperative relations with world famous laboratories such as France, Germany, Japan and Russia. A series of academic exchanges.
6 years, a total of 406 papers, invited 6 invited reports at important international conferences, 8 national and Chinese science and technology achievements awards, made for the development of my country's science and technology and economic construction Important contribution, the establishment of the national laboratory, cultivated a descent operation and maintenance team and scientific research team, 23 guest researchers, including 18 domestic, foreign abroad, have been there to visit the exchange in front of dozens of well-known scientists in foreign countries And work.
In the past three years, the Lanzhou Accelerated National Lab has organized a group of excellent young academic leaders and scientific research backbone. The Lanzhou Heavy Izon Accelerator National Lab has become a vivid class of patriotism education.
In the past few years, the party and the national leader Jiang Zemin, Qiao Shi, etc. have been inspected and guided. Every year, there are students in thousands of colleges, experts from all walks of life, Hong Kong, Macao and Taiwan Compared with overseas Chinese to visit.
The leaders of the People's Liberation Army Lanzhou Forces have also visited accelerator devices. They praised: "There is such a good high-level scientific research facility under our eyelids, which is the sign of national science and technology development." The excellent results made by the Heavy Izon Accelerator National Laboratory and use it for good results produced by patriotic education.
Honorary title
in 1991, the project was awarded the Chinese Academy of Sciences.
in 1992, a national scientific and technological progress first prize.
in 1995, the Gansu Provincial Party Committee of January was named "Gansu Province Patriotism Education Base".