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Chinese Physics C> 1981, Vol. 5> Issue(4) : 412-416 

THE PROCESS e++e-→π+q+q IN QUANTUM CHROMODYNAMICS

  • In this paper we investigate the behavior of the B-S wave function as the squared momentum on one leg becomes infinte while the squared momentum on the other leg remians fixed by using the property of asymptotic freedom in QCD. Using the obtained wave function we compute the cross section of the process e++e- → π+q+q(where the pion has large transverse momentum perpendicular to the axis of a stratonic jet). We find that the contribution of this process to the cross section of e++e-→hadrons is much smaller than the process e++e-→g+q+q.
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    [1] 黄朝商,高能物理与核物理,4(1980), 761.[2] S. J. Brodsky et al., Preprint TH 2731-CERN (1979).[3] A. Duncan andA.H. Mueller, Preprint CU-TP-162(1979).

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HUANG CHAO-SHANG and DAI YUAN-BEN. THE PROCESS e++e-→π+q+q IN QUANTUM CHROMODYNAMICS[J]. Chinese Physics C, 1981, 5(4): 412-416.
HUANG CHAO-SHANG and DAI YUAN-BEN. THE PROCESS e++e-→π+q+q IN QUANTUM CHROMODYNAMICS[J]. Chinese Physics C, 1981, 5(4): 412-416. shu
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Received: 1980-03-22
Revised: 1900-01-01
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THE PROCESS e++e-→π+q+q IN QUANTUM CHROMODYNAMICS

  • Received Date: 1980-03-22
  • Accepted Date: 1900-01-01
  • Available Online: 1981-08-05

Abstract: In this paper we investigate the behavior of the B-S wave function as the squared momentum on one leg becomes infinte while the squared momentum on the other leg remians fixed by using the property of asymptotic freedom in QCD. Using the obtained wave function we compute the cross section of the process e++e- → π+q+q(where the pion has large transverse momentum perpendicular to the axis of a stratonic jet). We find that the contribution of this process to the cross section of e++e-→hadrons is much smaller than the process e++e-→g+q+q.

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