The Form Factors of the Nucleons: Present Status - Fisica
The Form Factors of the Nucleons: Present Status - Fisica
The Form Factors of the Nucleons: Present Status - Fisica
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Quark Flavor separation<br />
Assume that hadron current: ,with<br />
e u and e d <strong>the</strong> charge <strong>of</strong> <strong>the</strong> up and down quarks<br />
and isospin symmetry:<br />
Fd<br />
2n<br />
Fu<br />
1n<br />
Fu<br />
2n<br />
Fd<br />
1p<br />
Fd<br />
2p<br />
<strong>The</strong>n <strong>the</strong> Pauli and Dirac form factors <strong>of</strong> <strong>the</strong> dressed quarks<br />
in <strong>the</strong> proton are (with related relations for <strong>the</strong> neutron):<br />
F<br />
u<br />
1p<br />
F<br />
u<br />
2p<br />
<br />
<br />
2F<br />
1p<br />
2F<br />
2p<br />
<br />
<br />
F<br />
1n<br />
F<br />
2n<br />
Fd<br />
1n<br />
Fu<br />
,<br />
1p<br />
Fu<br />
,<br />
2p<br />
F<br />
d<br />
1p<br />
F<br />
d<br />
2p<br />
F<br />
2p<br />
See for example: Cates,deJager,Riordan,Wojtsekhowski (2011),<br />
Rohrmoser, Choi and Plessas, (2011), Wilson,Cloet,Chang and Roberts,<br />
(2012), Cloet and Miller (2012)<br />
2/17/2013 C.F. Perdrisat SAEMP Trento 2013<br />
27<br />
<br />
<br />
F<br />
1p<br />
<br />
<br />
<br />
<br />
2F<br />
1n<br />
2F<br />
2n