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Re[3]: Antichasticy
7.12.2020 14:41 | ayvvyayva ayvayva
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- Antichasticy
 
(M. Yu. Hlopov,  "Fizika Kosmosa", 1986,
2.02.2003 20:49, 5.2 KBait, otvetov: 9)
ANTIChASTICY - elementarnye chasticy, imeyushie te zhe znacheniya mass, spinov i dr. fiz. harakteristik, chto i ih "dvoiniki" - "chasticy", no otlichayushiesya ot nih znakami nek-ryh harakteristik vzaimodeistviya (napr., elektrich. zaryada). Isklyuchenie sostavlyayut foton i neitral'nye mezony (napr., p-mezon), u k-ryh vse zaryady ravny nulyu, vsledstvie chego eti chasticy tozhdestvenny svoim A. Takie chasticy yavl. istinno neitral'nymi. A., sootvetstvuyushaya dannoi chastice, obychno oboznachaetsya simvolom chasticy s til'doi ili chertoi sverhu, napr, antiproton imeet oboznachenie  . Pri stolknovenii chasticy s A.  
proishodit  annigilyaciya, pri k-roi chastica i  
ee A. ischezayut, prevrashayas' v chasticy inoi  
prirody. . Pri stolknovenii chasticy s A.  
proishodit  annigilyaciya, pri k-roi chastica i  
ee A. ischezayut, prevrashayas' v chasticy inoi  
prirody.Spiny i magn. momenty chastic i ih A. odinakovy po velichine, no napravleniya magn. momenta po otnosheniyu k spinu protivopolozhny (napr., u elektrona spin i magn. moment napravleny antnparallel'no, u pozitrona - parallel'no). U t. n. chastic so spiral'nostyo (neitrino) A. imeyut protivopolozhnuyu spiral'nost' (protivopolozhnoe napravlenie spina pri odinakovom napravlenii impul'sa). Chasticam i ih A. pripisyvayutsya odinakovye no velichine, no protivopolozhnye po znaku barionnoe i leptonnoe chisla, strannost', ocharovanie, krasota i dr. harakteristiki. Zakony sohraneniya (napr., barionno-go zaryada, leptonnogo zaryada) utverzhdayut, chto sohranyaetsya raznost' mezhdu chislom chastic i A., obladayushih etimi zaryadami. Struktura adronov i ih A. sovpadaet, prichem v ramkah modeli kvarkov sostoyaniya antibarionov opisyvayutsya tochno tak zhe, kak sostoyaniya barponov s zamenoi sostavlyayushih ih kvarkov na sootvetstvuyushie im antikvarki. Sostoyaniya mezonov i ih A. otlichayutsya zamenoi sostavlyayushih mezon kvarka i antikvarka na sootvetstvuyushie antikvark i kvark. Skorost' annigilyacii opredelyaet vremya zhizni stabil'noi A. v veshestve. Vremena zhizni nestabil'noi chasticy n ee A. v tochnosti odinakovy, odnako pri nalichii nesk. kanalov raspada otnoshenie veroyatnostei W etih kanalov mozhet byt' razlichno. Napr., izvestny raspady L-giperona L R rp-, LRnp i sootvetstvenno dlya antigiperona  i i . Otnoshenie veroyatnostei . Otnoshenie veroyatnostei ne ravno ne ravno .  
Eto  
otlichie principial'no vazhno, t. k.  
dokazyvaet otsutstvie polnoi simmetrii  
mezhdu chasticami i A. Vozmozhno, na etom puti  
udastsya ob'yasnit' preobladanie chastic nad  
A. vo Vselennoi. Imeyushiesya nablyudatel'nye  
dannye o kosmicheskom izluchenii isklyuchayut  
vozmozhnost' nalichiya v nastoyashee vremya v  
Galaktike zametnogo kolichestva  
antiveshestva (sravnimogo s kolichestvom veshestva). Podrobnee sm.  
 Kosmologiya, Barionnaya  
asimmetriya Vselennoi. .  
Eto  
otlichie principial'no vazhno, t. k.  
dokazyvaet otsutstvie polnoi simmetrii  
mezhdu chasticami i A. Vozmozhno, na etom puti  
udastsya ob'yasnit' preobladanie chastic nad  
A. vo Vselennoi. Imeyushiesya nablyudatel'nye  
dannye o kosmicheskom izluchenii isklyuchayut  
vozmozhnost' nalichiya v nastoyashee vremya v  
Galaktike zametnogo kolichestva  
antiveshestva (sravnimogo s kolichestvom veshestva). Podrobnee sm.  
 Kosmologiya, Barionnaya  
asimmetriya Vselennoi.Rozhdenie A. mozhet proishodit' v stolknoveniyah chastic veshestva, razognannyh do energii, prevoshodyashih porog rozhdeniya pary chastica - A. V laboratornyh usloviyah A. rozhdayutsya vo vzaimodeistviyah chastic, razognannyh na uskoritelyah; hranenie obrazuyushihsya A. osushestvlyayut v nakopitel'nyh kol'cah pri vysokom vakuume. Estestv. usloviya rozhdeniya A. realizuyutsya v okrestnostyah pul'sarov i aktivnyh yader galaktik, a takzhe pri vzaimodeistvii kosmicheskih luchei s veshestvom. Teoretich. astrofizika rassmatrivaet obrazovanie A. (pozitronov, antinuklonov) pri akkrecii veshestva na chernye dyry. V ramkah sovr. kosmologii rassmatrivayut rozhdenie A. pri isparenii pervichnyh chernyh dyr maloi massy. Usloviya massovogo rozhdeniya elektron-pozitronnyh par mogut realizovat'sya v goryachih yadrah massivnyh zvezd. Soglasno modeli goryachei Vselennoi, na ochen' rannih stadiyah rasshireniya Vselennoi v ravnovesii s veshestvom i izlucheniem nahodilis' vse sorta par chastica - A. (M.Yu. Hlopov) 
- Re: Antichasticy (Yu. A. Mitrofanova, 30.09.2016 20:08, 305 Bait) Harakteristika "dvoinikov" antichastic dana ochen' tochnaya. Nesmotrya na to, chto antichasticy est' pochti u vseh elementarnyh chastic, pri stolknovenii proishodit process annigilyacii, pri kotorom chastica prevrashaetsya v chasticu inoi prirody.V yadrah massivnyh zvezd rozhdayutsya elektron-pozitronnye pary.
- Re: Antichasticy (E. l. Emma, 13.09.2017 14:37, 108 Bait) Ya zhadayu vam dobry pracyag. voyance gratuite en ligne par mail
- Re: Antichasticy (ayvvyayva ayvayva, 7.12.2020 14:39, 60 Bait, otvetov: 2) https://stopperhot.com
- Re[2]: Antichasticy (V. M. Serdyukov, 31.12.2024 18:48, 1.4 KBait) Sovremennaya fizika kosmosa otrazhaet paradigmu teorii bol'shogo vzryva i s pozicii ego pytaetsya ob'yasnit' ustroistvo mirozdaniya ,ispol'zuya dialekticheskii princip edinstva i bor'by protivopolozhnostei, vvodya ponyatiya chastic i antichastic, kak sushnostei otrazhayushih ustroistvo mirozdanie. Odnako ih vzaimodeistvie vedet k sozdaniyu fizicheskogo vakuuma i stavit vopros poyavleniya veshestva i v celom vselennoi. Esli rassmatrivat' problemu s pozicii otricaniya teorii bol'shogo vzryva to mozhno opirat'sya i na otricanie teorii gravitacii kak istochnika poyavleniya teorii BV. Poiski otveta na voznikayushie voprosy na urovne elementarnyh chastic ----vechnoe fantazirovanie v popytkah ob'yasnit' neob'yasnimoe. Esli abstragirovat'sya ot ustoyavshihsya fizicheskih ponyatii a imenno teorii BV i rassmotret' vopros o polnoi energii obosnovannoi. A. Enshteinom matematicheski, no ne filosofski s pozicii osnovnogo zaklona dialektiki, gde voprosy polyusnosti energii pri ih vzaimodeistvii vedut vse k toi zhe annigilyacii i k fizicheskomu vakuumu kak nositelyu otricatel'nogo polyusa energii, zaryazhayushego vse formalizovannye ob'ekty kosmosa ot atomov vodoroda do zvezd , galaktik i vseh kosmicheskih formalizovannyh obrazovanii, a takzhe menyaet n'yutonovskuyu silu prityazheniya na silu uplotneniya, dokazannaya samoi prirodoi no ne zamechennaya nositelyami fizicheskih znanii.
- Re[2]: Antichasticy (V. M. Serdyukov, 31.12.2024 18:49, 1.4 KBait) Sovremennaya fizika kosmosa otrazhaet paradigmu teorii bol'shogo vzryva i s pozicii ego pytaetsya ob'yasnit' ustroistvo mirozdaniya ,ispol'zuya dialekticheskii princip edinstva i bor'by protivopolozhnostei, vvodya ponyatiya chastic i antichastic, kak sushnostei otrazhayushih ustroistvo mirozdanie. Odnako ih vzaimodeistvie vedet k sozdaniyu fizicheskogo vakuuma i stavit vopros poyavleniya veshestva i v celom vselennoi. Esli rassmatrivat' problemu s pozicii otricaniya teorii bol'shogo vzryva to mozhno opirat'sya i na otricanie teorii gravitacii kak istochnika poyavleniya teorii BV. Poiski otveta na voznikayushie voprosy na urovne elementarnyh chastic ----vechnoe fantazirovanie v popytkah ob'yasnit' neob'yasnimoe. Esli abstragirovat'sya ot ustoyavshihsya fizicheskih ponyatii a imenno teorii BV i rassmotret' vopros o polnoi energii obosnovannoi. A. Enshteinom matematicheski, no ne filosofski s pozicii osnovnogo zaklona dialektiki, gde voprosy polyusnosti energii pri ih vzaimodeistvii vedut vse k toi zhe annigilyacii i k fizicheskomu vakuumu kak nositelyu otricatel'nogo polyusa energii, zaryazhayushego vse formalizovannye ob'ekty kosmosa ot atomov vodoroda do zvezd , galaktik i vseh kosmicheskih formalizovannyh obrazovanii, a takzhe menyaet n'yutonovskuyu silu prityazheniya na silu uplotneniya, dokazannaya samoi prirodoi no ne zamechennaya nositelyami fizicheskih znanii.
- Re: Antichasticy
 
(ayvvyayva ayvayva,
7.12.2020 14:40, 1.7 KBait, otvetov: 3)
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- Re[2]: Antichasticy (ayvvyayva ayvayva, 7.12.2020 14:40, 32 Bait) https://olimpiada.ru/article/949
- Re[2]: Antichasticy (ayvvyayva ayvayva, 7.12.2020 14:41, 32 Bait, otvetov: 1) https://olimpiada.ru/article/949
- >> Re[3]: Antichasticy (ayvvyayva ayvayva, 7.12.2020 14:41, 44 Bait) [url=https://stopperhot.com]stopperhot[/url]