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preprints:2000:ttp00-18 [2016/03/17 11:03] (current)
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 +====== TTP00-18 Kinematic Effects in Quarkonia Production ====== 
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 +   <​hidden TTP00-18 ​ Kinematic Effects in Quarkonia Production > We investigate energy (momentum) distributions in J/Psi photoproduction and 
 + J/Psi production in B meson decay. In particular the upper endpoint region 
 + of the spectrum is examined where the effect of soft gluon emission from the 
 + ccbar pair becomes important. Constructing a model which is consistent with 
 + the so-called shape function formalism we consider these fragmentation 
 + ​effects and show that the relevance of possible colour octet contributions 
 + in the photoproduction channel is still inconclusive. 
 + </​hidden>​ 
 +|**Stefan Wolf** ​ |  
 +|**  Nucl. Phys. Proc. Suppl. ​ 93 172-175 2001  **  | 
 +| {{preprints:​2000:​ttp00-18.pdf|PDF}} {{preprints:​2000:​ttp00-18.ps|PostScript}} [[http://​arxiv.org/​abs/​hep-ph/​0008180|arXiv]] ​  | 
 +| |