B Meson Decay To The Scalar Light Meson Shape Factor

Experiments have found that a lot of the scalar meson, but their underlyingcomponents are still not very clear. So, people put forward two related scalar particlemodel program includes two-quark model and four-quark model. In this paper, weassume that the scalar particle is mainly composed by q qand by B meson decays toverify scalar particle two quark model. In the heavy quark effective theory we mainlyuse the light-cone sum rules approch in QCD,the B Sform factors are derived fromthe correlation expanded near the light-cone x20in terms of B-meaon distributionamplitudes.where the momentum transfer (q20).The contributions of quark-antiquarkand quark-antiquark-gluon components in the B meson are taken into account whichis the main factor affecting the results of the form factors, the contribution ofthree-particle distribution amplitudes are usually smaller, and the main contribution tothe form factor from the B meson two particle distribution amplitude. Finally, In orderto verify our approach we selecteda0980as the object of our study,Employing thenew light-cone sum rules we calculate the form factor for the the B a0(980)decay.