Research Article

Comparing the Tsallis Distribution with and without Thermodynamical Description in Collisions

Table 2

The fitting parameters and   in (10), and   in (2), the errors of parameters, and /ndf  for the particle spectra in   +  collisions. The unit of is GeV.

Data source (GeV) Particle /ndf /ndf

PHENIX [37] 62.4 1.340/111.302/11

PHENIX [25] 62.4 5.386/23 4.779/23
5.402/23 5.194/23
5.423/13 5.121/13
2.271/13 2.186/13
7.861/24 6.966/24
4.136/22 7.178/22

PHENIX [38] 200 20.705/22 23.025/22

PHENIX [25] 200 4.740/24 4.485/24
3.352/24 3.354/24
1.665/13 1.587/13
4.321/13 2.999/13
22.734/31 24.581/31
15.932/31 13.535/31

STAR [39] 200 5.743/20 5.972/20
5.144/20 4.705/20
11.452/17 10.359/17
9.769/17 9.991/17

ALICE [26] 900 7.687/10 7.537/10

ALICE [27] 900 13.871/30 13.460/30
11.199/30 12.483/30
14.271/24 12.980/24
7.515/24 6.609/24
15.148/21 13.974/21
15.637/21 13.675/21

ALICE [41] 2760 5.979/15 5.987/15

ALICE [36] 2760 30.885/60 31.583/60
13.608/55 14.481/55
21.531/46 32.877/46

ALICE [26] 7000 13.240/30 16.750/30

ALICE [42] 7000 26.539/38 26.216/38
5.373/45 5.333/45
13.768/43 12.700/43

CMS [30] 900 charged 85.776/17 84.867/17
CMS [40] 2760 charged 110.770/19 110.4/19
CMS [30] 7000 charged 80.353/24 80.25/24