Institute for Theoretical Particle Physics (TTP)
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preprints:2002:ttp02-11 [2016/03/17 11:03] (current) – created - external edit 127.0.0.1
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 +====== TTP02-11 Asymptotics of the Perturbative Series for $f_{B^*} /f_B$ ====== 
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 +   <hidden TTP02-11  Asymptotics of the Perturbative Series for $f_{B^*} /f_B$ > We investigate the structure of the leading IR renormalon singularity 
 + in the QCD/HQET matching coefficients for heavy-light quark currents 
 + beyond the large-\beta_0 limit. 
 + From this result, we derive the large-order behaviour 
 + of the perturbative series for these coefficients, 
 + and for ratios of meson matrix elements, such as f_{B^*}/f_B. 
 + </hidden> 
 +|**F. Campanario, A. G. Grozin, T. Mannel**  |  
 +|**  Nucl.Phys.   B663 280-318 2003  **  | 
 +| {{preprints:2002:ttp02-11.pdf|PDF}} {{preprints:2002:ttp02-11.ps|PostScript}} [[http://arxiv.org/abs/hep-ph/0303052|arXiv]]   | 
 +| |