scholarly journals NLO QCD corrections forJ/ψ+c+c¯production in photon-photon collision

2017 ◽  
Vol 95 (3) ◽  
Author(s):  
Zi-Qiang Chen ◽  
Long-Bin Chen ◽  
Cong-Feng Qiao
Keyword(s):  
1979 ◽  
Vol 25 (15) ◽  
pp. 453-455
Author(s):  
S. Iwao

2009 ◽  
Vol 672 (4-5) ◽  
pp. 354-360 ◽  
Author(s):  
Eri Asakawa ◽  
Daisuke Harada ◽  
Shinya Kanemura ◽  
Yasuhiro Okada ◽  
Koji Tsumura

1974 ◽  
Vol 35 (C2) ◽  
pp. C2-29-C2-33
Author(s):  
G. J. FELDMAN
Keyword(s):  

2020 ◽  
Vol 80 (9) ◽  
Author(s):  
Hao Yang ◽  
Zi-Qiang Chen ◽  
Cong-Feng Qiao

AbstractWe calculate the next-to-leading order (NLO) quantum chromodynamics (QCD) corrections to the exclusive processes $$\gamma +\gamma \rightarrow {\mathcal {Q}}+{\mathcal {Q}}$$ γ + γ → Q + Q , with $${\mathcal {Q}}=J/\psi ,\ \eta _c,\ \Upsilon $$ Q = J / ψ , η c , Υ , or $$\eta _b$$ η b , in the framework of non-relativistic QCD (NRQCD) factorization formalism. The cross sections at the SuperKEKB electron–positron collider, as well as at the future colliders, like the circular electron positron collider (CEPC) and the international linear collider (ILC), are evaluated. Numerical result indicates that the processes for $$J/\psi $$ J / ψ -pair production and $$\eta _c$$ η c -pair production are hopefully observable at the Belle II detector within the next decade.


2005 ◽  
Vol 20 (31) ◽  
pp. 7347-7357
Author(s):  
DAE SUNG HWANG ◽  
TSUNEO UEMATSU

We study the deeply virtual Compton scattering on the photon target. The light-cone wavefunctions and the axial vector form factors of the photon are analyzed.


2017 ◽  
Vol 25 (11) ◽  
pp. 12237 ◽  
Author(s):  
Fan Zhang ◽  
Pengfei Du ◽  
Qiang Liu ◽  
Mali Gong ◽  
Xing Fu

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