Twist-3 Distribution Amplitudes in the B→π Transition Form Factor

  • We derive and express for the B→π transition form factor only depending on the twist-3 distribution amplitudes by choosing an adequate chiral current correlator in the light-cone QCD sum rules.Our result shows that the contribution from the twist-3 distribution amplitudes to the f+Bπ(q2)gives a constraint on the twist-3 light-cone distribution amplitude.
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ZHOU Ming-Zhen, WU Xing-Hua and HUANG Tao. Twist-3 Distribution Amplitudes in the B→π Transition Form Factor[J]. Chinese Physics C, 2004, 28(9): 927-930.
ZHOU Ming-Zhen, WU Xing-Hua and HUANG Tao. Twist-3 Distribution Amplitudes in the B→π Transition Form Factor[J]. Chinese Physics C, 2004, 28(9): 927-930. shu
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Received: 2004-02-03
Revised: 1900-01-01
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Twist-3 Distribution Amplitudes in the B→π Transition Form Factor

    Corresponding author: ZHOU Ming-Zhen,
  • CCAST,Beijing 100080,China2 Institute of High Energy Physics,Beijing 100039,China

Abstract: We derive and express for the B→π transition form factor only depending on the twist-3 distribution amplitudes by choosing an adequate chiral current correlator in the light-cone QCD sum rules.Our result shows that the contribution from the twist-3 distribution amplitudes to the f+Bπ(q2)gives a constraint on the twist-3 light-cone distribution amplitude.

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