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

ZHOU Ming-Zhen; WU Xing-Hua; HUANG Tao

Chinese Physics C> 2004, Vol. 28> Issue(9) : 927-930

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

CCAST,Beijing 100080,China2 Institute of High Energy Physics,Beijing 100039,China

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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.

References

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. BenekeM, Buchalla G, Neubert M et al.Phys. Rev. Lett , 1999, 83: 1914;Nucl. Phys. , 2000, B591: 313; Beneke M, Neubert M. Nucl. Phys. ,2003, B675: 333- 415; hep-ph/ 03080392. LIH N,YU H L. Phys.Rev. Lett. , 1995, 74: 43883. Belyaev V M, Khodjamirian A, Rückl R. Z. Phys. , 1993, C60: 349;Belyaev V M et al. Phys. Rev. , 1995, D51: 61774. HUANG T,LI Z H,WU X Y. Phys. Rev. , 2001, D63: 094001; WANG ZG,ZHOU M Z, HUANG T. Phys. Rev. , 2003, D67: 0940065. Braun V M, Filyanov I E.Z.Physik, 1990, C48: 239

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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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沈阳化工大学材料科学与工程学院沈阳 110142

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

Received Date: 2004-02-03
Accepted Date: 1900-01-01
Available Online: 2004-09-05

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.