Fermilab experiment E835 has measured the cross section for the reaction (p) over barp --> e(+)e(-) at s = 11.63, 12.43, 14.40 and 18.22 GeV2. From the analysis of the 66 observed events new high-precision measurements of the proton magnetic form factor are obtained. (C) 2003 Published by Elsevier Science B.V.
Measurements of the magnetic form factor of the proton for timelike momentum transfers
ANDREOTTI, Mirco;CALABRESE, Roberto;LUPPI, Eleonora;
2003
Abstract
Fermilab experiment E835 has measured the cross section for the reaction (p) over barp --> e(+)e(-) at s = 11.63, 12.43, 14.40 and 18.22 GeV2. From the analysis of the 66 observed events new high-precision measurements of the proton magnetic form factor are obtained. (C) 2003 Published by Elsevier Science B.V.File in questo prodotto:
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