Table 6.

Parameters of the “up-” and “down-”variation eigentunes for the pythia8 CP1, and CP2 tunes

pythia8 parameter	CP1	CP1	CP2	CP2
	Up	Down	Up	Down
MultipartonInteractions:pT0Ref ($\text{GeV}$ )	2.30	2.40	2.34	2.33
MultipartonInteractions:ecmPow	0.15	0.15	0.14	0.14
MultipartonInteractions:coreFraction	0.51	0.39	0.51	0.23
MultipartonInteractions:coreRadius	0.58	0.60	0.41	0.34
ColourReconnection:range	8.31	8.50	1.46	2.56