. Fig, 24 Distributions de l'impulsion transverse du positron (rouge) et de son neutrino (noir) avec le positron dans la partie avant avec les données simulées Pythia pour des énergies dans le

@. La-paire-est-produite-dans-un-État-coloré, et ses nombres quantiques de spin ne sont pas nécessairement ceux du J/?( 3 S 1 ) Le processus d'hadronisation nécessite alors l'intervention de gluons mous (mécanisme d'octet de couleur) La paire d'octet de couleur cc se combine avec deux gluons mous colinéaires pour former un singulet de couleur (cc-g) Après un court temps de relaxation

. La-gure-5, 29 présente les distributions en rapidité du J/? à 1.2 et 7 TeV pour un mode de production par fusion de gluons. Ces distributions mettent en évidence le fait que l'intervalle de rapidité sur lequel sont

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