The NLO contributions to the scalar pion form factors and the O(αs2) annihilation corrections to the B→ππ decays
In this paper, by employing the kT factorization theorem, we made the first calculation for the space-like scalar pion form factor Q2F(Q2) at the leading order (LO) and the next-to-leading order (NLO) level, and then found the time-like scalar pion form factor Fa,I′(1) by analytic continuation from...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2015-07-01
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| Series: | Nuclear Physics B |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S0550321315001546 |