Next-to-next-to-leading contributions to the cross section a(e+e--+ T+T-) at energies close to threshold are analysed, taking into account the known non-relativistic effects and U((r2) corrections. The numerical changes with respect to previous works are small, but the new corrections give a true es
✦ LIBER ✦
NNLO τ+τ− production cross section at threshold
✍ Scribed by P. Ruiz-Femenía; A. Pich
- Book ID
- 108462564
- Publisher
- Elsevier Science
- Year
- 2003
- Tongue
- English
- Weight
- 373 KB
- Volume
- 121
- Category
- Article
- ISSN
- 0920-5632
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