. . . . "In chimica e fisica, le regole di selezione sono condizioni che gli stati iniziale e finale di un sistema devono soddisfare affinch\u00E9 tra di essi possa verificarsi una transizione energetica. Possono pertanto essere anche chiamate \"regole di transizione\". Le regole di transizione variano in funzione della tecnica utilizzata per osservare la transizione, che pu\u00F2 essere di tipo elettronico, vibrazionale o rotazionale. Esse vengono ricavate da una trattazione quantistica del sistema e in particolare da relazioni matematiche che devono verificarsi per l'applicazione di operatori, specifici della spettroscopia considerata, sulle funzioni d'onda che descrivono gli stati del sistema. Particolarmente degno di nota \u00E8 il ruolo assunto dal vettore momento di dipolo di transizione. Per la spettroscopia elettronica, ad esempio, le regole di selezione sono: \n* regola di selezione di parit\u00E0 o regola di Laporte, per cui vale oppure \n* regola di selezione di spin, per cui vale \n* regola di selezione di simmetria. \u00C8 per\u00F2 da rimarcare il fatto che alcune transizioni teoricamente proibite possono verificarsi nella pratica comune, seppure talvolta con intensit\u00E0 davvero modesta, in seguito a variazioni flussionali di simmetria o ad accoppiamento vibronico."@it . . "\u7269\u7406\u5B66\u3084\u5316\u5B66\u306B\u304A\u3051\u308B\u9078\u629E\u5F8B\uFF08\u305B\u3093\u305F\u304F\u308A\u3064\u3001\u307E\u305F\u306F\u9078\u629E\u5247\u3001\u9078\u629E\u898F\u5247\uFF09\u3068\u306F\u30012\u3064\u306E\u91CF\u5B50\u72B6\u614B\u9593\u306E\u9077\u79FB\u304C\u8A31\u3055\u308C\u308B\uFF08\u8A31\u5BB9\u3067\u3042\u308B\uFF09\u304B\u7981\u3058\u3089\u308C\u3066\u3044\u308B\u304B\uFF08\u7981\u5236\u3067\u3042\u308B\u304B\uFF09\u3092\u7C21\u6F54\u306B\u793A\u3057\u305F\u898F\u5247\u306E\u3053\u3068\u3067\u3042\u308B\u3002"@ja . . . . . . "Als Auswahlregel bezeichnet man in der Quantenmechanik eine Regel, die dar\u00FCber Auskunft gibt, ob ein \u00DCbergang zwischen zwei Zust\u00E4nden eines gegebenen Systems (beispielsweise Atomh\u00FClle, Atomkern oder Schwingungszustand) durch Emission oder Absorption von elektromagnetischer Strahlung m\u00F6glich ist. Wenn von \u201Everbotenen\u201C \u00DCberg\u00E4ngen gesprochen wird, sind diese Verbote h\u00E4ufig durch verschiedene Effekte \u201Eaufgeweicht\u201C und die jeweiligen \u00DCberg\u00E4nge k\u00F6nnen trotzdem beobachtet werden; die \u00DCbergangswahrscheinlichkeit ist jedoch meist sehr klein. Die Regeln k\u00F6nnen, bei vorgegebener Multipolordnung, \u00FCber die Berechnung der \u00DCbergangsmatrixelemente gem\u00E4\u00DF Fermis Goldener Regel theoretisch begr\u00FCndet werden."@de . . . 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"\u9009\u5F8B\u662F\u7269\u7406\u548C\u5316\u5B66\u4E2D\uFF0C\u4ECE\u5F62\u5F0F\u4E0A\u9650\u5236\u7CFB\u7EDF\u4ECE\u4E00\u79CD\u91CF\u5B50\u6001\u5230\u53E6\u4E00\u79CD\u91CF\u5B50\u6001\u7684\u53EF\u80FD\u8DC3\u8FC1\u7684\u5B9A\u5219\u3002\u5BF9\u4E8E\u5206\u5B50\uFF0C\u539F\u5B50\uFF0C\u539F\u5B50\u6838\u7B49\u5185\u90E8\u7684\u7535\u78C1\u8DC3\u8FC1\uFF0C\u5747\u5B58\u5728\u76F8\u5173\u7684\u9009\u5F8B\u3002\u9009\u5F8B\u53D7\u89C2\u5BDF\u8DC3\u8FC1\u65F6\u6240\u4F7F\u7528\u7684\u6280\u672F\u5F71\u54CD\uFF0C\u540C\u4E00\u8DC3\u8FC1\u4F7F\u7528\u4E0D\u540C\u624B\u6BB5\u89C2\u6D4B\u65F6\u53EF\u80FD\u9002\u7528\u4E0D\u540C\u7684\u9009\u5F8B\u3002\u5316\u5B66\u53CD\u5E94\u4E2D\u4E5F\u5B58\u5728\u9009\u5F8B\uFF0C\u4F8B\u5982\uFF1A\u4ECE\u53CD\u5E94\u7269\u5230\u751F\u6210\u7269\u7684\u8F6C\u5316\u8FC7\u7A0B\u4E2D\u81EA\u65CB\u72B6\u6001\u53D1\u751F\u6539\u53D8\u7684\u53CD\u5E94\u5728\u5F62\u5F0F\u4E0A\u662F\u81EA\u65CB\u7981\u963B\u7684\u3002"@zh . . . . . . . . . "1313664"^^ . . . . . "\u9009\u5F8B"@zh . . "\u9009\u5F8B\u662F\u7269\u7406\u548C\u5316\u5B66\u4E2D\uFF0C\u4ECE\u5F62\u5F0F\u4E0A\u9650\u5236\u7CFB\u7EDF\u4ECE\u4E00\u79CD\u91CF\u5B50\u6001\u5230\u53E6\u4E00\u79CD\u91CF\u5B50\u6001\u7684\u53EF\u80FD\u8DC3\u8FC1\u7684\u5B9A\u5219\u3002\u5BF9\u4E8E\u5206\u5B50\uFF0C\u539F\u5B50\uFF0C\u539F\u5B50\u6838\u7B49\u5185\u90E8\u7684\u7535\u78C1\u8DC3\u8FC1\uFF0C\u5747\u5B58\u5728\u76F8\u5173\u7684\u9009\u5F8B\u3002\u9009\u5F8B\u53D7\u89C2\u5BDF\u8DC3\u8FC1\u65F6\u6240\u4F7F\u7528\u7684\u6280\u672F\u5F71\u54CD\uFF0C\u540C\u4E00\u8DC3\u8FC1\u4F7F\u7528\u4E0D\u540C\u624B\u6BB5\u89C2\u6D4B\u65F6\u53EF\u80FD\u9002\u7528\u4E0D\u540C\u7684\u9009\u5F8B\u3002\u5316\u5B66\u53CD\u5E94\u4E2D\u4E5F\u5B58\u5728\u9009\u5F8B\uFF0C\u4F8B\u5982\uFF1A\u4ECE\u53CD\u5E94\u7269\u5230\u751F\u6210\u7269\u7684\u8F6C\u5316\u8FC7\u7A0B\u4E2D\u81EA\u65CB\u72B6\u6001\u53D1\u751F\u6539\u53D8\u7684\u53CD\u5E94\u5728\u5F62\u5F0F\u4E0A\u662F\u81EA\u65CB\u7981\u963B\u7684\u3002"@zh . . "\u041F\u0440\u0430\u0432\u0438\u043B\u0430 \u0432\u0456\u0434\u0431\u043E\u0440\u0443 \u2014 \u043E\u0431\u043C\u0435\u0436\u0435\u043D\u043D\u044F \u0439 \u0437\u0430\u0431\u043E\u0440\u043E\u043D\u0438 \u043D\u0430 \u043F\u0435\u0440\u0435\u0445\u043E\u0434\u0438 \u043C\u0456\u0436 \u0440\u0456\u0432\u043D\u044F\u043C\u0438 \u043A\u0432\u0430\u043D\u0442\u043E\u043C\u0435\u0445\u0430\u043D\u0456\u0447\u043D\u043E\u0457 \u0441\u0438\u0441\u0442\u0435\u043C\u0438 \u0437 \u043F\u043E\u0433\u043B\u0438\u043D\u0430\u043D\u043D\u044F\u043C \u0447\u0438 \u0432\u0438\u043F\u0440\u043E\u043C\u0456\u043D\u044E\u0432\u0430\u043D\u043D\u044F\u043C \u0444\u043E\u0442\u043E\u043D\u0430, \u043D\u0430\u043A\u043B\u0430\u0434\u0435\u043D\u0456 \u0437\u0430\u043A\u043E\u043D\u0430\u043C\u0438 \u0437\u0431\u0435\u0440\u0435\u0436\u0435\u043D\u043D\u044F \u0439 \u0441\u0438\u043C\u0435\u0442\u0440\u0456\u0454\u044E."@uk . . "\u9078\u629E\u5F8B"@ja . . . . . . . . . . . . . "Regu\u0142y wyboru \u2013 warunki w spektroskopii, kt\u00F3re musz\u0105 by\u0107 spe\u0142nione, aby nast\u0105pi\u0142o oddzia\u0142ywanie promieniowania z moleku\u0142ami."@pl . . . . . . . "\u041F\u0440\u0430\u0432\u0438\u043B\u0430 \u0432\u0456\u0434\u0431\u043E\u0440\u0443 \u2014 \u043E\u0431\u043C\u0435\u0436\u0435\u043D\u043D\u044F \u0439 \u0437\u0430\u0431\u043E\u0440\u043E\u043D\u0438 \u043D\u0430 \u043F\u0435\u0440\u0435\u0445\u043E\u0434\u0438 \u043C\u0456\u0436 \u0440\u0456\u0432\u043D\u044F\u043C\u0438 \u043A\u0432\u0430\u043D\u0442\u043E\u043C\u0435\u0445\u0430\u043D\u0456\u0447\u043D\u043E\u0457 \u0441\u0438\u0441\u0442\u0435\u043C\u0438 \u0437 \u043F\u043E\u0433\u043B\u0438\u043D\u0430\u043D\u043D\u044F\u043C \u0447\u0438 \u0432\u0438\u043F\u0440\u043E\u043C\u0456\u043D\u044E\u0432\u0430\u043D\u043D\u044F\u043C \u0444\u043E\u0442\u043E\u043D\u0430, \u043D\u0430\u043A\u043B\u0430\u0434\u0435\u043D\u0456 \u0437\u0430\u043A\u043E\u043D\u0430\u043C\u0438 \u0437\u0431\u0435\u0440\u0435\u0436\u0435\u043D\u043D\u044F \u0439 \u0441\u0438\u043C\u0435\u0442\u0440\u0456\u0454\u044E."@uk . . "In physics and chemistry, a selection rule, or transition rule, formally constrains the possible transitions of a system from one quantum state to another. Selection rules have been derived for electromagnetic transitions in molecules, in atoms, in atomic nuclei, and so on. The selection rules may differ according to the technique used to observe the transition. The selection rule also plays a role in chemical reactions, where some are formally spin-forbidden reactions, that is, reactions where the spin state changes at least once from reactants to products. In the following, mainly atomic and molecular transitions are considered."@en . . "\u041F\u0440\u0430\u0301\u0432\u0438\u043B\u0430\u043C\u0438 \u043E\u0442\u0431\u043E\u0301\u0440\u0430 \u0432 \u0441\u043F\u0435\u043A\u0442\u0440\u043E\u0441\u043A\u043E\u043F\u0438\u0438 \u043D\u0430\u0437\u044B\u0432\u0430\u044E\u0442 \u043E\u0433\u0440\u0430\u043D\u0438\u0447\u0435\u043D\u0438\u044F \u0438 \u0437\u0430\u043F\u0440\u0435\u0442 \u043D\u0430 \u043F\u0435\u0440\u0435\u0445\u043E\u0434\u044B \u043C\u0435\u0436\u0434\u0443 \u0443\u0440\u043E\u0432\u043D\u044F\u043C\u0438 \u043A\u0432\u0430\u043D\u0442\u043E\u043C\u0435\u0445\u0430\u043D\u0438\u0447\u0435\u0441\u043A\u043E\u0439 \u0441\u0438\u0441\u0442\u0435\u043C\u044B \u0441 \u043F\u043E\u0433\u043B\u043E\u0449\u0435\u043D\u0438\u0435\u043C \u0438\u043B\u0438 \u0438\u0437\u043B\u0443\u0447\u0435\u043D\u0438\u0435\u043C \u0444\u043E\u0442\u043E\u043D\u0430, \u043D\u0430\u043B\u043E\u0436\u0435\u043D\u043D\u044B\u0435 \u0437\u0430\u043A\u043E\u043D\u0430\u043C\u0438 \u0441\u043E\u0445\u0440\u0430\u043D\u0435\u043D\u0438\u044F \u0438 \u0441\u0438\u043C\u043C\u0435\u0442\u0440\u0438\u0435\u0439."@ru . . "\u041F\u0440\u0430\u0432\u0438\u043B\u0430 \u043E\u0442\u0431\u043E\u0440\u0430"@ru . . . . . . "Auswahlregel"@de . . . . . . . . "R\u00E8gle de s\u00E9lection"@fr . . "Regu\u0142y wyboru \u2013 warunki w spektroskopii, kt\u00F3re musz\u0105 by\u0107 spe\u0142nione, aby nast\u0105pi\u0142o oddzia\u0142ywanie promieniowania z moleku\u0142ami."@pl . . . . . . "\u7269\u7406\u5B66\u3084\u5316\u5B66\u306B\u304A\u3051\u308B\u9078\u629E\u5F8B\uFF08\u305B\u3093\u305F\u304F\u308A\u3064\u3001\u307E\u305F\u306F\u9078\u629E\u5247\u3001\u9078\u629E\u898F\u5247\uFF09\u3068\u306F\u30012\u3064\u306E\u91CF\u5B50\u72B6\u614B\u9593\u306E\u9077\u79FB\u304C\u8A31\u3055\u308C\u308B\uFF08\u8A31\u5BB9\u3067\u3042\u308B\uFF09\u304B\u7981\u3058\u3089\u308C\u3066\u3044\u308B\u304B\uFF08\u7981\u5236\u3067\u3042\u308B\u304B\uFF09\u3092\u7C21\u6F54\u306B\u793A\u3057\u305F\u898F\u5247\u306E\u3053\u3068\u3067\u3042\u308B\u3002"@ja . . . . . . "Selection rule"@en . "In physics and chemistry, a selection rule, or transition rule, formally constrains the possible transitions of a system from one quantum state to another. Selection rules have been derived for electromagnetic transitions in molecules, in atoms, in atomic nuclei, and so on. The selection rules may differ according to the technique used to observe the transition. The selection rule also plays a role in chemical reactions, where some are formally spin-forbidden reactions, that is, reactions where the spin state changes at least once from reactants to products."@en . . . . . . "Regu\u0142y wyboru"@pl . . . "\u0642\u0648\u0627\u0639\u062F \u0627\u0644\u0627\u062E\u062A\u064A\u0627\u0631 \u0641\u064A \u0627\u0644\u0641\u064A\u0632\u064A\u0627\u0621 \u0627\u0644\u0630\u0631\u064A\u0629 \u0647\u064A \u0639\u062F\u0629 \u0642\u0648\u0627\u0639\u062F \u0641\u064A \u0645\u064A\u0643\u0627\u0646\u064A\u0643\u0627 \u0627\u0644\u0643\u0645 \u062A\u062D\u062F\u062F \u0625\u0645\u0643\u0627\u0646\u064A\u0629 \u0627\u0646\u062A\u0642\u0627\u0644 \u0625\u0644\u0643\u062A\u0631\u0648\u0646 \u0628\u064A\u0646 \u0645\u0633\u062A\u0648\u064A\u0627\u062A \u0627\u0644\u0637\u0627\u0642\u0629 \u0641\u064A \u0627\u0644\u0630\u0631\u0629. \u0641\u0642\u062F \u0639\u0631\u0641\u0646\u0627 \u0645\u0646 \u062E\u0637\u0648\u0637 \u0637\u064A\u0641 \u0627\u0644\u0639\u0646\u0627\u0635\u0631 \u0623\u0646\u0647 \u062A\u0648\u062C\u062F \u0641\u064A \u0627\u0644\u0630\u0631\u0629 \u0645\u0633\u062A\u0648\u064A\u0627\u062A \u0644\u0644\u0637\u0627\u0642\u0629 \u064A\u0633\u0645\u062D \u0644\u0644\u0625\u0644\u0643\u062A\u0631\u0648\u0646 \u0627\u0644\u0627\u0646\u062A\u0642\u0627\u0644 \u0628\u064A\u0646\u0647\u0627 \u0648\u0623\u062E\u0631\u0649 \u0644\u0627 \u064A\u0633\u0645\u062D \u0644\u0647 \u0628\u0627\u0644\u0627\u0646\u062A\u0642\u0627\u0644 \u0625\u0644\u064A\u0647\u0627. \u0639\u0646\u062F\u0645\u0627 \u064A\u0646\u062A\u0642\u0644 \u0625\u0644\u0643\u062A\u0631\u0648\u0646 \u0645\u0646 \u0645\u0633\u062A\u0648\u0649 \u0637\u0627\u0642\u0629 \u0639\u0644\u0648\u064A \u0625\u0644\u0649 \u0645\u0633\u062A\u0648\u0649 \u0637\u0627\u0642\u0629 \u0633\u0641\u0644\u064A \u0641\u064A \u0627\u0644\u0630\u0631\u0629\u060C \u0641\u0647\u0648 \u064A\u0628\u0639\u062B \u062A\u0644\u0643 \u0627\u0644\u0637\u0627\u0642\u0629 (\u0627\u0644\u0641\u0631\u0642 \u0628\u064A\u0646 \u0627\u0644\u0639\u0644\u0648\u064A \u0648\u0627\u0644\u0633\u0641\u0644\u064A) \u0641\u064A \u0647\u064A\u0626\u0629 \u0641\u0648\u062A\u0648\u0646 (\u0648\u0627\u0644\u0641\u0648\u062A\u0648\u0646 \u0647\u0648 \u0634\u0639\u0627\u0639 \u0636\u0648\u0626\u064A). \u0646\u0631\u0649 \u062A\u0644\u0643 \u0627\u0644\u0623\u0634\u0639\u0629 \u0627\u0644\u0635\u0627\u062F\u0631\u0629 \u0645\u0646 \u0625\u0644\u0643\u062A\u0631\u0648\u0646\u0627\u062A \u0627\u0644\u0630\u0631\u0629 \u0641\u064A \u0647\u064A\u0626\u0629 \u062E\u0637\u0648\u0637 \u0637\u064A\u0641. \u0641\u0625\u0630\u0627 \u0644\u0645 \u0646\u062C\u062F \u062E\u0637 \u0637\u064A\u0641 \u064A\u0646\u062A\u0645\u064A \u0625\u0644\u0649 \u0627\u0646\u062A\u0642\u0627\u0644 \u0645\u0639\u064A\u0646 \u0644\u0644\u0625\u0644\u0643\u062A\u0631\u0648\u0646 \u0641\u064A \u0627\u0644\u0630\u0631\u0629 \u0641\u0646\u0633\u062A\u0646\u062A\u062C \u0645\u0646 \u0630\u0644\u0643 \u0623\u0646 \u0647\u0630\u0627 \u0627\u0644\u0627\u0646\u062A\u0642\u0627\u0644 \u0645\u0645\u0646\u0648\u0639 \u0639\u0644\u0649 \u0627\u0644\u0625\u0644\u0643\u062A\u0631\u0648\u0646."@ar . . . . . . . . . . . . . . . . "En m\u00E9canique quantique, une r\u00E8gle de s\u00E9lection est une condition de sym\u00E9trie permettant d'affirmer qu'un produit scalaire ou un \u00E9l\u00E9ment de matrice sera nul sans avoir \u00E0 le calculer explicitement."@fr . "\u041F\u0440\u0430\u0301\u0432\u0438\u043B\u0430\u043C\u0438 \u043E\u0442\u0431\u043E\u0301\u0440\u0430 \u0432 \u0441\u043F\u0435\u043A\u0442\u0440\u043E\u0441\u043A\u043E\u043F\u0438\u0438 \u043D\u0430\u0437\u044B\u0432\u0430\u044E\u0442 \u043E\u0433\u0440\u0430\u043D\u0438\u0447\u0435\u043D\u0438\u044F \u0438 \u0437\u0430\u043F\u0440\u0435\u0442 \u043D\u0430 \u043F\u0435\u0440\u0435\u0445\u043E\u0434\u044B \u043C\u0435\u0436\u0434\u0443 \u0443\u0440\u043E\u0432\u043D\u044F\u043C\u0438 \u043A\u0432\u0430\u043D\u0442\u043E\u043C\u0435\u0445\u0430\u043D\u0438\u0447\u0435\u0441\u043A\u043E\u0439 \u0441\u0438\u0441\u0442\u0435\u043C\u044B \u0441 \u043F\u043E\u0433\u043B\u043E\u0449\u0435\u043D\u0438\u0435\u043C \u0438\u043B\u0438 \u0438\u0437\u043B\u0443\u0447\u0435\u043D\u0438\u0435\u043C \u0444\u043E\u0442\u043E\u043D\u0430, \u043D\u0430\u043B\u043E\u0436\u0435\u043D\u043D\u044B\u0435 \u0437\u0430\u043A\u043E\u043D\u0430\u043C\u0438 \u0441\u043E\u0445\u0440\u0430\u043D\u0435\u043D\u0438\u044F \u0438 \u0441\u0438\u043C\u043C\u0435\u0442\u0440\u0438\u0435\u0439."@ru . "1116177782"^^ . . . "\u0642\u0627\u0639\u062F\u0629 \u0627\u062E\u062A\u064A\u0627\u0631"@ar . "21403"^^ . . "Als Auswahlregel bezeichnet man in der Quantenmechanik eine Regel, die dar\u00FCber Auskunft gibt, ob ein \u00DCbergang zwischen zwei Zust\u00E4nden eines gegebenen Systems (beispielsweise Atomh\u00FClle, Atomkern oder Schwingungszustand) durch Emission oder Absorption von elektromagnetischer Strahlung m\u00F6glich ist. Wenn von \u201Everbotenen\u201C \u00DCberg\u00E4ngen gesprochen wird, sind diese Verbote h\u00E4ufig durch verschiedene Effekte \u201Eaufgeweicht\u201C und die jeweiligen \u00DCberg\u00E4nge k\u00F6nnen trotzdem beobachtet werden; die \u00DCbergangswahrscheinlichkeit ist jedoch meist sehr klein. Die Regeln k\u00F6nnen, bei vorgegebener Multipolordnung, \u00FCber die Berechnung der \u00DCbergangsmatrixelemente gem\u00E4\u00DF Fermis Goldener Regel theoretisch begr\u00FCndet werden."@de . . . . "En m\u00E9canique quantique, une r\u00E8gle de s\u00E9lection est une condition de sym\u00E9trie permettant d'affirmer qu'un produit scalaire ou un \u00E9l\u00E9ment de matrice sera nul sans avoir \u00E0 le calculer explicitement."@fr . . "In chimica e fisica, le regole di selezione sono condizioni che gli stati iniziale e finale di un sistema devono soddisfare affinch\u00E9 tra di essi possa verificarsi una transizione energetica. Possono pertanto essere anche chiamate \"regole di transizione\". Le regole di transizione variano in funzione della tecnica utilizzata per osservare la transizione, che pu\u00F2 essere di tipo elettronico, vibrazionale o rotazionale. Per la spettroscopia elettronica, ad esempio, le regole di selezione sono:"@it . "\u041F\u0440\u0430\u0432\u0438\u043B\u0430 \u0432\u0456\u0434\u0431\u043E\u0440\u0443"@uk . . . "Regola di selezione"@it . . .