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The Form Factors of the Nucleons: Present Status - Fisica

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<strong>The</strong> relative contribution <strong>of</strong> GEp to <strong>the</strong> cross section<br />

becomes <strong>of</strong> order <strong>of</strong> <strong>the</strong> experimental uncertainty<br />

(10-20%) by Q2≈3.5 GeV2 . Which is where <strong>the</strong> LT<br />

data for GEp seem to loose track <strong>of</strong> GEp! Coincidence?<br />

2<br />

2<br />

τ G<br />

dσ M [ 1<br />

dΩ ε(<br />

1<br />

τ )<br />

ε<br />

τ<br />

G<br />

E<br />

G<br />

2<br />

M<br />

2/17/2013 C.F. Perdrisat SAEMP Trento 2013 36<br />

]<br />

A similar point was argued by<br />

Egle Tomasi several years ago.

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