Page 120 - 高中物理选择性必修3
P. 120

·K¥¦ñ#MN ( nuclear reaction) . !A°fK¥j,01A%6s*cX¹*õUý
                ÷9,k(ÙË4Ìs%ÏÎw±²,ÃÎmw±²%Ìs¦ñMN- ( reaction energy),


                ƒ·K¥<.ò&·A°fû¥øÁ». ÜÂ,žû³@%ØÙÚò α :1µ¶ÊAPU
                VW61%A°fû¥<.w/
                                                     14   4     17 O + H.
                                                                      1
                                                          2
                                                      7  N + He→ 8    1
         !           ò α :1µ¶ÓAPUVWj1%A°fû¥<.w/
         "
         #                                           9     4     12   1
         $                                           4  Be + He→ 6 C + n.
                                                           2
                                                                      0
         %
         &           ^s%gh{sÁ-,Q#MNRPL,OPSTU'IVWX:YWZ[\'. 0
         '
         %      1A!Uýl÷(¡¡­"k%,X¹*c6s*Ú2¬­%.
         &
         (
                                       广东教育出版社
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                     01A*£j1;oX,61o®X,efîï«®,A*61õ"ÛÜG,/Cª
                M,¬Ì«çÝ!01AiûD?


                     3401A%A1[)­¿E%"Ûñòð,M—A1Ì͗ÞîïGðPßó¼
                ¯!&z,ƒnðÕÅ/#] (nuclear force). ghÁ-,Að2&n¿E%ð,!0 5 ×

                10  - 15  ~ 2 × 10  - 15  m %Ãb*áyÁV/yð,!^‚ 2 × 10            - 15  m %Ãb(Aðàæp8/
                Ë,Ã.Að2&ne¥ð. !8‚ 0 5 × 10                     - 15  m %Ãb*,Aðœÿ÷/E^%GðP
                —A1;á¯!&z. Að҂fbcde ( strong interaction),2™š]ünÍb"Û

                ñò[&.
                     €!‚&ë5a[)%ghi] (universal gravitation)2¤&nÍb"Ûñò,¼û
                ì%5aÃí%xðÔ2Z­yð!¼¸Áûâm%&nÁV.

                     X¹[)k¸€!"Ûñò. knX¹Û"ÜG,ãnX¹Û"±y,·ƒa[)
                ¡€!˜Ì%"Ûñò. 19 \Nó,+,›@X¹)、ƒa)%"Ûñò,¾b6ì2

                k&n"Ûñò%;kÁV,ƒn"ÛñòÕÅ/:jbcde (electromagnetic interac
                tion),M¡2™š]%&nÍb"Ûñò.
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                     !ÎOVijzñò%¬­¤&nÍb"Ûñò———bcde ( weak interaction) .
                7ä•&@%d"ÛñòVi201A% β l÷,óøœ•&@å1、x1cæ1JKd
                ñò%l÷cj91°OÏdñòK¥. d"Ûñò%ð¥tE"ÛñòMe,/
                10  - 18  m,ÒE4H2E"Ûñò% 10              - 12 ™.

                     éê˜z™š!*%çy5DEF/ünÍb"Ûñò<Ì2vn"Ûñò!;k
                ¾¸ä%;kÁV,Ô]Xcƒ2Xƒ"Ûñò%;kÁVÄB&¸. /{,5DEFæ
                W^sST×ñ,Ò2š¬­x@gh%©h.



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