Electromagnetic vertex function of the pion at T > 0

van der Heide J, Laermann E, Koch JH (2006)
EUROPEAN PHYSICAL JOURNAL C 48(2): 589-596.

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The matrix element of the electromagnetic current between pion states is calculated in quenched lattice QCD at a temperature of T = 0.93 T-c. The non-perturbatively improved Sheikholeslami-Wohlert action is used together with the corresponding O( a) improved vector current. The electromagnetic vertex function is extracted for pion masses down to 360 MeV and momentum transfers Q(2) <= 2.7GeV(2).
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van der Heide J, Laermann E, Koch JH. Electromagnetic vertex function of the pion at T > 0. EUROPEAN PHYSICAL JOURNAL C. 2006;48(2):589-596.
van der Heide, J., Laermann, E., & Koch, J. H. (2006). Electromagnetic vertex function of the pion at T > 0. EUROPEAN PHYSICAL JOURNAL C, 48(2), 589-596.
van der Heide, J., Laermann, E., and Koch, J. H. (2006). Electromagnetic vertex function of the pion at T > 0. EUROPEAN PHYSICAL JOURNAL C 48, 589-596.
van der Heide, J., Laermann, E., & Koch, J.H., 2006. Electromagnetic vertex function of the pion at T > 0. EUROPEAN PHYSICAL JOURNAL C, 48(2), p 589-596.
J. van der Heide, E. Laermann, and J.H. Koch, “Electromagnetic vertex function of the pion at T > 0”, EUROPEAN PHYSICAL JOURNAL C, vol. 48, 2006, pp. 589-596.
van der Heide, J., Laermann, E., Koch, J.H.: Electromagnetic vertex function of the pion at T > 0. EUROPEAN PHYSICAL JOURNAL C. 48, 589-596 (2006).
van der Heide, J., Laermann, Edwin, and Koch, J. H. “Electromagnetic vertex function of the pion at T > 0”. EUROPEAN PHYSICAL JOURNAL C 48.2 (2006): 589-596.
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