projekte.my-jpd.deprojekte.my-jpd.de/physik/protokolle/Kernpraktikum.pdf · YVXr d pea{o1V...

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Transcript of projekte.my-jpd.deprojekte.my-jpd.de/physik/protokolle/Kernpraktikum.pdf · YVXr d pea{o1V...

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r

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dmax = Rmax · ρt�pen�n©n���n±s�WTV��¯pGÝ<WT�¯peaTVÐ�#VXWT��d�ÄÜVXW{o1VÐs�VN[

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WT� ��n�o1VN[gr�����d�o�VXnÔ^ªpGo1VX[�WqpeaÀý´�yaT����WTn�WT���u�ρ = 2, 71g/cm3 �Þpe��r¯x RÞÈ7����d�aTWTn�Y�*£Æ�L¤G���;¹G�.Êh�ÞÅ

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Rmax =dmaxρ

=1100mg/cm2

2, 71g/cm3≈ 0, 4059cm

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Rmax =5, 42Eβ,max − 1, 33

ρ≈ 0, 4057cm,

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Rmax =1, 1 · (

√1 + 22, 4E2

β,max − 1)

ρ≈ 0, 3981cm

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Rmax = 5Eβ,max

(1− 0, 983

1 + 4, 3Eβ,max

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Impulsrate, abh. von Schichtdicke

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~]n`s�WTVXr�VX[y�yz�z�WTaTs���n�Y¯WTr%o�YZ��o7mX�`VX[�tZVXn�n�VXn2�QsQper�rypZz`VXWTn�VX[*zLVNr]o�WT���ho�VXnªl���d�WT��d�o1s�WT��tZV VXWTn�VÌl<cGog\o�WTYZ��n�YðVNWTn�o1[gW{o�o��Ir�f©s�per�rÐtZVXWTn�VÙÄÜVXW{o�VX[gVXnÒÇJVNWTaT��d�VXnÒ�ÐVXd�[Ðpe��rÐs�VX�ß^Ûp�o1VX[gWqpea�mX��[g_���tÕYZVXr%o1[�VX��oÄ�VX[gs�VNn2R�É7perÞd�VXWTÖ�oG��s�per�rÞs�WTV*��n�VX[�YZWTV*pez¯VXWTn�VX[ÞzLVXr%o1WT�Ð�ho1VNn×l���d�WT��d�o1s�WT��t�V#n�WT��d�oÆ��VXd�[Þpe��rg[�VXWT��d�o��� s�WTVNrgVÐÎÕVX��d�r�VXa{ÄyWT[gt���n�YÛd�VX[]��fZ[gmN��[g����VXn2RJ�y��ÖZVX[gs�VX� WTr%oÌs�pe[1pe��rÌpez�mX��aTVXW{o1VNn2�Js�pZrgr3s�WTV×Ç.VXWTa{\��d�VXn`s�WTV �7zLVX[��Qce��d�VÀn�WT��d�o7��VXd�[*VX[g[�VXWT��d�VNn`tZ�Zn�n�VXnÚ�Qr�fZz�peaTsÛr�WTVio�WTVX��VX[ypeaqryz�WTrymX��[yxyceaT�;o1VÀWTd�[gVX[�¯pGÝ<WT�¯peaTVXnØ�#VXWT��d�ÄÜVXW o1V

RmaxVXWTn�YZVXs�[���n�Y�VXnÏr�WTn�sÚRJÅÃVXWÞs�VX[ ^`VNd�[g��pZ��d�r%o1[gVX����n�Y�Y�WTa{o��@sQper�r s�WTV

l�cGogo1WTY���n�Y¯rg��d�fZn`zLVXWJ�Z��aÑs�VX[#�¯pGÝ<WT�ÐpZaTVXn`�#VXWq��d�ÄÜVXW{o1VÀVNWTn�o1[gW{o�o�RQ��r*YZWTz�o*�<WTVXaTVÀVX�Ð��WT[gWTr���d�Vk��fZ[]\�ÐVXaTn2�@s�WTVÐVXWTn�VXnØb'��r1pe�Ð��VXn�d�pen�Y�m�Ä*WTr���d�VXnÕ��n�VX[gYZWqVÐ��n�sÕ��VNWT��d�ÄÜVXW{o�V¯d�VX[�r]o�VXaTaTVXn2R@~�nÏ��n�r�VX[gVX��QpeaTaÚYZWTa{oys�WTV ��RQU7aTVXn�s�VXn�WTnyP}r���d�Vk��f�[g��VXa0�

ρRmax = 4, 07 · E1,38β,max

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xs = 0, 2 ·Rmaxý´v�RTSNj�þ

����r�U7aTVNWT��d���n�YZVXn v�RTS��±��n�s v�RTSNjÏtepen�n n���n s�WTVª��n�VX[�YZWTVÛ��W{o���f�aTYZVXn�s�VXnÔÎÏVX[%o1VXn z'VX[gVX��d�n�V�oÄ�VX[gs�VNny�

xs = 0, 126mm

Rmax = 5xs = 0, 63mm

ρAl = 2, 698 · 103 kg

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bD��VX[�r]o#d�pez'VXn¯Ä*WT[Üs�WTVil�cGogo1WTYZ��n�YZr�r���d�WT��d�o1s�WT��t�Vipe��rÜs�VX�ÑÉ�WqpeYZ[1pe����pZz�YZVXaTVNrgVNnÙ��n�sÙsQpe[�pe��rÜs�WTV��n�VN[gYZWTVhzLVX[gVN��d�n�V�ob�

Emax = 0, 531MeVÉ7penQpe��dÌd�pez'VXnÀÄ*WT[Is�WTVÃ�¯pGÝ<WT�¯peaTV��,n�VX[gYZWTV

Emax = 0, 672MeVpe��rIs�VX�ÂÉ7pGo1VXn�z�aqpGogo���_�[IÈ7[]\i��|

pZz�YZVXaTVXr�VXn���n�sus�WTVh�ÐpGÝ�WT�ÐpeaTV l<��d�WT��d�o�s�WT��tZVhrgf�Ä*WTVhs�WTVÀl�cGogo1WTY���n�Y�rgr���d�WT��d�o1s�WT��tZVhzLVX[�VX��d�n�V�ob�

Rmax = 0, 87mm

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