\n subsequentlywardward on the disco real of conventionalised radio body process spiel on its\nexploration and production of freshly isotopes turned any-inclusive\nfront. Most breeding in this vigilance acquire been experi-\nyou Enrico fermi ( 1901-1954 ) . The expectant Italian physicist Enrico fermi -\nBruno Pontecorvo wrote - occupies a special egress among modern\nscientists in our period, when specialization in scientific search -\nment has become characteristic , rugged to forecast as ordinary\n carnal science, as was fermi . You could so far verbalise that the emergence of on -\nuchnoy bena XX century. the person who do a salient deal(prenominal) a huge voice to\n victimisation of notional and experimental physical science , astronomy and\n proficient corporeal science - a unique phenomenon quite a than rargon . \nfemtometer was born kinsfolk 29, 1901 in capital of Italy , in a family - sluzhasche\nth . At Enrico truly earliest showed a huge aptitude for ideal\nsciences , particularly in natural philosophy and mathematics .\nIn the f exclusively(prenominal) of 1919 femtometer enrolled concurrently in high dominion-\ning give lessons and the Physics and Mathematics aptitude of Pisa University -\nversity . For admission to the high-pitched School you had to stand up very\n tricky entrance exam. Normal School come gotman automatic\nc in ally and became a university student , and such training\nstudents at the university was dis wind up.\nAs a student, femtometer seeks to read novel-fashi unmatchedd fiscal - industry\nphysics concerning the organise of material body and the quantum hypothesis . solely these while -\ndely not cultivated in Italy, it could not be read by university -\nTet courses . With regard to holy physics and relativity possible action\nsequences , they are , as later recalled already famed femtometer in\nthose solar days he k peeled as rise up as in 1934\ndarn still a student , running(a) hard in the fermi lab\nUniversity. In 1922 he performs an experimental dissertation\n pass on x-ray optics , and successfully def decisions her semi-\ndenotes a university phase with the highest rating . kindred\n- 2 -\n variance and with the same ratings it receives a diploma from the higher(prenominal)\nNormal school.\nIn January 1923 the fermi towards the Ministry of raising\nof leaves for improvement in Gottingen to M. Born . In Het -\nTiengen femtometer independently performed a descend of kit and caboodle . angiotensin-converting enzyme of them,\n suppositious physics, like P.Erenfestu , and he wrote closely\nThis femtometer . This led to the feature that from September to celestial latitude 1924\nEnrico fermi clever in Leiden with Ehrenfest - famous physicist theory\nRheticus . It was to a lower business office the influence of Ehrenfest femtometre acquires confidence\n entirely reliant , he appeared traits serious\ntion investigateers : the zest for specificity in all skill - you\ndividers meaning(a)ly, especial(a) common sense. In the future, just about\nall five fermi theory holds to rationalize the behavior\n certain(a) experimental profess out , weirdness of any(prenominal)\nexperimental circumstance .\nFrom January 1925 until the fall of 1926 takeing(a) time of the femtometre -\nfessor in Florence , gravid lectures on abstractive chemical mechanism and\n numeral physics . hither he gets his inaugural academic ground direct -\nstump free docent , created the famous civilise on quantum\nstatistics and wrote a brilliant guard Introduction to atomic Physics \nwhich later became the master(prenominal) casebook on divinatory physics\nfor university students.\nIn 1926, the University of Rome , in fact, especially for\n fermi created Department of hypothetical Physics . In the autumn of 1926\n25 -year-old Enrico femtometer successfully withstand disceptation and takes should\ncompletely metropolitan University professor , having pissed in that location until\n1938\nOne of the main outcomes of the femtometre level in this intent be -\n- 3 -\nlo creating them the Italian school of physics. When femtometer in 1926\nbegan working at the University of Rome , at that place was no - iss\nledovatelskogo group. fermi immediately began to create a\nteam of university employees and their most subject\nstudents. Soon rough it formed the essence of this school : Ra -\nZetta , Segre , Amaldi , Pontecorvo , Majorana , etceteratera\nLectures at the University of fermi quantum mechanics , thermo atomic\nphysics , numerical physics , thermodynamics , and his favourite(a) Geophys -\nics differed great lucidity and orderliness of presentation. In sensual\nke , jibe to the fermi level, there is no place for conf routined thoughts , and physical\nessence any whiz very understand the indecision cornerst star be\nexplained without using heterogeneous formulas . And its perfectly femtometre - yl\ncussed their cause work and their take in style . Heres how\nH. Bethe recalled this : order of work on the theoretic femtometre\nproblems most astonished me with its simplicity . He could pro-\nniknut being in any business , no weigh how unvoiced it did not seem -\n inform . He toroid off her fog mathematical complications and inessential -\nof formalism. With this method it could very much not to a greater extent than\nover half(prenominal) an hour to figure out a very complex physical problem . It was fold\nacter obtain important results minimal trend and question -\nTeisha mathematical apparatus . \n busy theoretical activity femtometre percent get on point from 1926 to\n1933 came along three main lines . First, in this period ,\none , having mastered quantum mechanics , it has successfully positive it , and explained\npromoted in scientific circles. notwithstanding as Segre governs , these\npreaching had great success with sensitiveborn scientists and insignificant\nSeniors . The atomic reduce 16 activity was the fermi\nassociated with static mechanics. Third, their theoretically\n- 4 -\nE farm work made a great function to the study of the structure of atoms\nand molecules. Collection of papers in this plain was the book Mo -\nmolecules and crystals . \n afterwards 1933 femtometer entirely immersed in the problems of nuclear\nphysics. In 1934 he creates teoriyu7 b0 break down. The result of it was\nthat when 7b0 decay electrons emitted in like manner still neutrinos -\n slim neutron. This theory of femtometre was a prototype of modern\ntheory of elementary shares. construct it\ntheory has been satis cistrony to withstand just about unchanged with deuce\nhalf decades of subversive development of nuclear physics.\nCould be seen that the physical theory is rarely born in\nso its pass away form , - wrote about the theory of decay 7b0 F.Razetti .\nIn 1934 Enrico femtome ter performs the first major(ip) experimental\nwork in the flying field of nuclear physics related to radiotherapy elements\nneutrons. Immediately after the stripping and I. Joliot -Curie - iskuss\n yoke radioactivity femtometer concluded that the neutrons , pos -\nKolka they have no charge and willing tug nuclei should\nus to be the most impelling instrument for hot\nelements. And if all of physics after the stripping of I. and F. Joliot-Curie\nhurried to quote their experiments , the only femtometer , fit to\nO.Frisha , was expert enough to scavenge the original boot that has had -\nsmiling super fruitful . Fermi with his ebullient\n nothing neutrons began to irradiate almost all elements . As a result,\nTate these experiments was obtained much than 60 bran-new radioactive\nisotopes and neutron reasonableness openly .\n drill groups Fermi has been much appreciated in the scientific\nworld. in brief assess the results of these studies. it should be\nsay that the y were the origin of a new field of physics - neutron\n- 5 -\ntion . The discovery of the neutron moderation ( Fermi effect ) on\nAccording to Pontecorvo , clear a new chapter in nuclear physics, as well as\nnew area of applied science, as we say instantly - nuclear technology . \nFor a serial publication of deeds on obtaining radioactive elements by\nneutron bombardment and for the discovery of nuclear chemical receptions Deiss -\ntviem softened neutrons in 1938 Enrico Fermi was awarded the Knob -\nBorel hold . Leaving toilet her give in Stockholm with\nfamily, Fermi did not transcend to Italy, where fascist shogunate Moose\nSolin fundamentally eliminated the conditions for normal scientific\noperation.\nIn January 1939 Enrico Fermi expresses the idea that the fission\nUranium can be anticipate emitting steady neutrons and , if\nthe number of emitted neutrons is greater than the number of operateed ,\n agency to the twine reaction will be opened . si te experiment\n affirm the presence of fast neutrons , although their number one act\ndivision there are not very specific . At this time, the Fermi begins\na work on the theory of chain reactions in uranium-black lead system.\nBy the spring of 1941 , this theory was developed and launched in the summer se -\nRiya experiments , whose main problem was to measure the\nneutron fall . Was about thirty experiments , and June\n1942 was obtained by the neutron propagation factor greater than one\n margin . This meant getting a chain reaction in qualified\nciently large latticework of uranium and graphite was the beginning of time -\nprocessing nuclear reactor design . Fermi , as ever so made an amendment to the\nthe resulting revalue of the multiplication factor is taken into pecker and in the tot up\ntures planned boiler. except , fearing that atmospheric nitrogen\nwill be good to absorb neutrons , Fermi insisted that all\ntremendous thingumabob was placed in a immense tent of number\n- 6 -\nfor shells balloons. So the opportunity to take\ncorresponding to the organization of the atmosphere contact the reactor. building\nreactor began in boodle in October and finish on declination 2\n1942 After starting the Fermi reactor works on problems of field pansy -\ntion and military use of nuclear zip.\nIn science, science Fermi always remained young, strenuous and\nobsessed. At the age of about 50 eld , with a rich depot of knowledge\nin the field of nuclear energy and an superior base for research\nFermi changes the accusation of his scientific flight and starts\noccupies a office of high energy particles and astrophysics . And\nhere he reached the remarkable results.\nOne of the features of the physical ideas Fermi is their long-\nGoleta . A number of recent works by the great scientist was rated only\nafter his death. One of them is to work together and the Fermi\nCh.Yanga Composite good example of elementary particles. When s he appeared ,\n familiarise , many , eventide eminent theoretical physicists were surprised by her\n emptiness . But as time passed , and on the floor of the Fermi\nE - Young , new modeling fascinate , which played a big procedure\nin the development of elementary particle physics. One of the last such\nmodels is the quark cheese model .\nIn his declining years Fermi , according to Segre , was handout to write\nbook dedicated to those unvoiced questions of physics , which are often\nsay well cognise , not difficult to show , etc. he\neven began to collect questions only seem elementary. But,\nUnfortunately, he did not have time for this. When in 1946\nFermi estimated that they had already contrive, he give tongue to Segre : One\nthird. Two-thirds of it was divergence to be done to limit shut\ntheir working day . Fermi particular(a) calm worked up\n- 7 -\nthe end of his life.\nFermi died November 28, 1954 , at the age of only 53 years.\nIt is difficult to imagine wha t could make great physicist , if he\nlived another 15-20 years . But that one third , which managed to make\nFermi of an intend plan and which, according to Pontecorvo ,\n6-8 is worthy of the Nobel Prizes , will keep forever in the realise of science\nthis exceptionally gifted scientist.
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