DVCS at 6/12 GeV, and ideas for the EIC
DVCS at 6/12 GeV, and ideas for the EIC
DVCS at 6/12 GeV, and ideas for the EIC
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Introduction Initial results Dedic<strong>at</strong>ed experiments Future 6 <strong>GeV</strong> <strong>12</strong> <strong>GeV</strong> <strong>EIC</strong> Conclusion<br />
Motiv<strong>at</strong>ion<br />
<strong>DVCS</strong> experimentally: interference with Be<strong>the</strong>-Heitler (BH)<br />
At leading twist:<br />
d 5 → σ −d 5 ← σ = Im (T BH · T DV CS )<br />
d 5 → σ +d 5 ← σ = |BH| 2 + Re (T BH · T DV CS ) + |DV CS| 2<br />
∫ +1<br />
T DV CS =<br />
∫ +1<br />
−1<br />
H(x, ξ, t)<br />
P dx<br />
−1 x − ξ<br />
} {{ }<br />
Access in helicity-independent cross section<br />
Carlos Muñoz Camacho<br />
H(x, ξ, t)<br />
dx<br />
x − ξ + iɛ + · · · =<br />
− iπ H(x = ξ, ξ, t) + . . .<br />
} {{ }<br />
Access in helicity-dependent cross-section<br />
LPC Clermont-Ferr<strong>and</strong>, CNRS/IN2P3<br />
<strong>DVCS</strong> <strong>at</strong> 6/<strong>12</strong> <strong>GeV</strong> <strong>and</strong> <strong>ideas</strong> <strong>for</strong> <strong>EIC</strong> 2