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<div align="center"><font size="6" color="navy"><b>Old Dominion University</b></font></div>
<div align="center"><font size="6" color="navy"><b>Department of Physics<br>
<br>
</b><font color="#548DD4"><b>Spring Colloquium</b></font></font></div>
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<font size="6" color="#17365D">Tuesday, </font><font size="6" color="black">May</font><font size="6" color="#17365D"> </font><font size="6" color="black">20</font><font size="6" color="#17365D">,
2014<br>
<br>
</font><font color="#4F81BD"><b>"Wide Angle Compton Scattering within the SCET framework"</b></font></font></div>
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<div align="center"><font size="6"><b>Dr.</b><font color="#244061"><b> </b></font><b>Nikolai Kivel<br>
</b><b>Helmholtz Institute Mainz<br>
Mainz, Germany</b><font size="5" color="#244061"> </font></font></div>
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<div><font face="Helvetica" size="5">The factorization theorem for WACS amplitude is derived within the Soft Collinear Effective Theory framework. </font></div>
<div><font face="Helvetica" size="5">We obtained that the leading contribution to the amplitude is described by a sum of the hard- and soft-spectator contributions. The hard-spectator part reproduces the well known pQCD factorization
result. The soft-spectator contribution describes the so-called soft-overlap mechanism and has not yet been considered before in the factorization framework. </font></div>
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<div><font face="Helvetica" size="5">We performed the leading and next-to-leading calculation of the hard kernel for the soft-spectator </font></div>
<div><font face="Helvetica" size="5">contribution and used obtained results for a phenomenological analysis of existing data. </font></div>
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<div align="center"><font size="4">Presentation: OCNPS 200 @ 11:00 am</font></div>
<div align="center"><font size="4">Refreshments: OCNPS 200 Atrium @ 10:30 pm</font></div>
<div align="center"><font size="5" color="#0070C0"><b>All interested persons are cordially invited to attend.</b></font></div>
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