Meson Production in High Energy p+p Collisions at the RHIC Energies

Table 2

Values of the parameters 𝑘, 𝜎_1𝑠∼𝜎_1𝑐, and 𝜎_2𝑠∼𝜎_2𝑐 obtained by fitting the experimental 𝑝_𝑇 spectra Figure 4. The units of 𝜎_1𝑠, 𝜎_1𝑐, 𝜎_2𝑠, and 𝜎_2𝑐 are GeV/c.

Particle	Energy (GeV)	𝑘 (%)	𝜎1𝑠∼𝜎1𝑐 (×0.1)	𝜎2𝑠∼𝜎2𝑐 (×0.1)	𝜒^2/dof
𝜋^0	22.4	100.00±0.01	0.05±0.01∼1.05±0.06	—	0.600
	62.4	99.95±0.01	0.05±0.01∼1.26±0.09	1.10±0.07∼4.14±0.20	1.104
	200	99.69±0.02	0.07±0.01∼1.69±0.12	1.29±0.10∼4.58±0.25	0.422