TY - JOUR
T1 - Deuteron form factor
AU - Farrar, Glennys R.
AU - Huleihel, Khadra
AU - Zhang, Huayi
PY - 1995
Y1 - 1995
N2 - We obtain the perturbative QCD (PQCD) prediction for the leading twist deuteron form factor, treated as a pair of nucleons in nonrelativistic bound state. It is <10-3 times experiment at Q2=4 GeV2, suggesting that PQCD is not relevant to the deuteron form factor at present values of Q2, or that nonnucleon (e.g., "hidden color") degrees of freedom must be included for a correct description of the deuteron. The tree-level amplitude ∼eg10 and is the sum of several 106 Feynman diagrams, making it an interesting case study in the behavior of perturbation theory.
AB - We obtain the perturbative QCD (PQCD) prediction for the leading twist deuteron form factor, treated as a pair of nucleons in nonrelativistic bound state. It is <10-3 times experiment at Q2=4 GeV2, suggesting that PQCD is not relevant to the deuteron form factor at present values of Q2, or that nonnucleon (e.g., "hidden color") degrees of freedom must be included for a correct description of the deuteron. The tree-level amplitude ∼eg10 and is the sum of several 106 Feynman diagrams, making it an interesting case study in the behavior of perturbation theory.
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U2 - 10.1103/PhysRevLett.74.650
DO - 10.1103/PhysRevLett.74.650
M3 - Article
AN - SCOPUS:0000296364
SN - 0031-9007
VL - 74
SP - 650
EP - 653
JO - Physical Review Letters
JF - Physical Review Letters
IS - 5
ER -