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Abelev, B.I. 1
Aggarwal, M.M. 1
Ahammed, Z. 1
Alakhverdyants, A.V. 1
Alekseev, I. 1
Anderson, B.D. 1
Arkhipkin, D. 1
Averichev, G.S. 1
Balewski, J. 1
Barnby, L.S. 1

Longitudinal scaling property of the charge balance function in Au + Au collisions at 200 GeV

The STAR collaboration Abelev, B.I. ; Aggarwal, M.M. ; Ahammed, Z. ; et al.

Phys.Lett.B 690 (2010) 239-244, 2010.

https://inspirehep.net/literature/844983 Inspire Record 844983 DOI 10.17182/hepdata.97118 https://doi.org/10.17182/hepdata.97118

We present measurements of the charge balance function, from the charged particles, for diverse pseudorapidity and transverse momentum ranges in Au + Au collisions at 200 GeV using the STAR detector at RHIC. We observe that the balance function is boost-invariant within the pseudorapidity coverage [-1.3, 1.3]. The balance function properly scaled by the width of the observed pseudorapidity window does not depend on the position or size of the pseudorapidity window. This scaling property also holds for particles in different transverse momentum ranges. In addition, we find that the width of the balance function decreases monotonically with increasing transverse momentum for all centrality classes.

48 data tables

Table for Figure 1(a) -0.6 < eta < 0

Balance functions in pseudorapidity windows -0.6 < eta < 0 for 0.15 < pT < 2 GEV/c.

Table for Figure 1(a) 0 < eta < 1

Balance functions in pseudorapidity windows 0 < eta < 1 for 0.15 < pT < 2 GEV/c.

Table for Figure 1(a) -1 < eta < 0.6

Balance functions in pseudorapidity windows -1 < eta < 0.6 for 0.15 < pT < 2 GEV/c.

Table for Figure 1(a) -1 < eta < 1

Balance functions in pseudorapidity windows -1 < eta < 1 for 0.15 < pT < 2 GEV/c.

Table for Figure 1(a) -1.3 < eta < 1.3

Balance functions in pseudorapidity windows -1.3 < eta < 1.3 for 0.15 < pT < 2 GEV/c.

Table for Figure 1(b) -1 < eta < -0.2

Balance functions observed at five different positions of pseudorapidity windows with |eta_w|=0.8 for 0.15 < pT < 2 GEV/c and -1 < eta < -0.2.

Table for Figure 1(b) -0.8 < eta < 0

Balance functions observed at five different positions of pseudorapidity windows with |eta_w|=0.8 for 0.15 < pT < 2 GEV/c and -0.8 < eta < 0.

Table for Figure 1(b) -0.4 < eta < 0.4

Balance functions observed at five different positions of pseudorapidity windows with |eta_w|=0.8 for 0.15 < pT < 2 GEV/c and -0.4 < eta < 0.4.

Table for Figure 1(b) 0 < eta < 0.8

Balance functions observed at five different positions of pseudorapidity windows with |eta_w|=0.8 for 0.15 < pT < 2 GEV/c and 0 < eta < 0.8.

Table for Figure 1(b) 0.2 < eta < 1

Balance functions observed at five different positions of pseudorapidity windows with |eta_w|=0.8 for 0.15 < pT < 2 GEV/c and 0.2 < eta < 1.

Table for Figure 1(c) -0.3 < eta < 0.3

Scaled balance function obtained for various pseudorapidity window widths and positions for 0.15 < pT < 2 GEV/c and -0.3 < eta < 0.3.

Table for Figure 1(c) 0 < eta < 1

Scaled balance function obtained for various pseudorapidity window widths and positions for 0.15 < pT < 2 GEV/c and 0 < eta < 1.

Table for Figure 1(c) -1 < eta < 0

Scaled balance function obtained for various pseudorapidity window widths and positions for 0.15 < pT < 2 GEV/c and -1 < eta < 0.

Table for Figure 1(c) -0.5 < eta < 0.5

Scaled balance function obtained for various pseudorapidity window widths and positions for 0.15 < pT < 2 GEV/c and -0.5 < eta < 0.5.

Table for Figure 1(c) -1 < eta < 1

Scaled balance function obtained for various pseudorapidity window widths and positions for 0.15 < pT < 2 GEV/c and -1 < eta < 1.

Table for Figure 1(c) -1.3 < eta < 1.3

Scaled balance function obtained for various pseudorapidity window widths and positions for 0.15 < pT < 2 GEV/c and -1.3 < eta < 1.3.

Table for Figure 2(a) -0.3 < eta < 0.3

B_s(d eta) based on B(d eta|eta_w) values measured in different pseudorapidity windows for particles in 0.15 < pT < 0.4 GEV/c and -0.3 < eta < 0.3.

Table for Figure 2(a) 0 < eta < 1

B_s(d eta) based on B(d eta|eta_w) values measured in different pseudorapidity windows for particles in 0.15 < pT < 0.4 GEV/c and 0 < eta < 1.

Table for Figure 2(a) -1 < eta < 0

B_s(d eta) based on B(d eta|eta_w) values measured in different pseudorapidity windows for particles in 0.15 < pT < 0.4 GEV/c and -1 < eta < 0.

Table for Figure 2(a) -0.5 < eta < 0.5

B_s(d eta) based on B(d eta|eta_w) values measured in different pseudorapidity windows for particles in 0.15 < pT < 0.4 GEV/c and -0.5 < eta < 0.5.

Table for Figure 2(a) -1 < eta < 1

B_s(d eta) based on B(d eta|eta_w) values measured in different pseudorapidity windows for particles in 0.15 < pT < 0.4 GEV/c and -1 < eta < 1.

Table for Figure 2(a) -1.3 < eta < 1.3

B_s(d eta) based on B(d eta|eta_w) values measured in different pseudorapidity windows for particles in 0.15 < pT < 0.4 GEV/c and -1.3 < eta < 1.3.

Table for Figure 2(b) -0.3 < eta < 0.3

B_s(d eta) based on B(d eta|eta_w) values measured in different pseudorapidity windows for particles in 0.4 < pT < 0.7 GEV/c and -0.3 < eta < 0.3.

Table for Figure 2(b) 0 < eta < 1

B_s(d eta) based on B(d eta|eta_w) values measured in different pseudorapidity windows for particles in 0.4 < pT < 0.7 GEV/c and 0 < eta < 1.

Table for Figure 2(b) -1 < eta < 0

B_s(d eta) based on B(d eta|eta_w) values measured in different pseudorapidity windows for particles in 0.4 < pT < 0.7 GEV/c and -1 < eta < 0.

Table for Figure 2(b) -0.5 < eta < 0.5

B_s(d eta) based on B(d eta|eta_w) values measured in different pseudorapidity windows for particles in 0.4 < pT < 0.7 GEV/c and -0.5 < eta < 0.5.

Table for Figure 2(b) -1 < eta < 1

B_s(d eta) based on B(d eta|eta_w) values measured in different pseudorapidity windows for particles in 0.4 < pT < 0.7 GEV/c and -1 < eta < 1.

Table for Figure 2(b) -1.3 < eta < 1.3

B_s(d eta) based on B(d eta|eta_w) values measured in different pseudorapidity windows for particles in 0.4 < pT < 0.7 GEV/c and -1.3 < eta < 1.3.

Table for Figure 2(c) -0.3 < eta < 0.3

B_s(d eta) based on B(d eta|eta_w) values measured in different pseudorapidity windows for particles in 0.7 < pT < 1 GEV/c and -0.3 < eta < 0.3.

Table for Figure 2(c) 0 < eta < 1

B_s(d eta) based on B(d eta|eta_w) values measured in different pseudorapidity windows for particles in 0.7 < pT < 1 GEV/c and 0 < eta < 1.

Table for Figure 2(c) -1 < eta < 0

B_s(d eta) based on B(d eta|eta_w) values measured in different pseudorapidity windows for particles in 0.7 < pT < 1 GEV/c and -1 < eta < 0.

Table for Figure 2(c) -0.5 < eta < 0.5

B_s(d eta) based on B(d eta|eta_w) values measured in different pseudorapidity windows for particles in 0.7 < pT < 1 GEV/c and -0.5 < eta < 0.5.

Table for Figure 2(c) -1 < eta < 1

B_s(d eta) based on B(d eta|eta_w) values measured in different pseudorapidity windows for particles in 0.7 < pT < 1 GEV/c and -1 < eta < 1.

Table for Figure 2(c) -1.3 < eta < 1.3

B_s(d eta) based on B(d eta|eta_w) values measured in different pseudorapidity windows for particles in 0.7 < pT < 1 GEV/c and -1.3 < eta < 1.3.

Table for Figure 2(d) -0.3 < eta < 0.3

B_s(d eta) based on B(d eta|eta_w) values measured in different pseudorapidity windows for particles in 1 < pT < 2 GEV/c and -0.3 < eta < 0.3.

Table for Figure 2(d) 0 < eta < 1

B_s(d eta) based on B(d eta|eta_w) values measured in different pseudorapidity windows for particles in 1 < pT < 2 GEV/c and 0 < eta < 1.

Table for Figure 2(d) -1 < eta < 0

B_s(d eta) based on B(d eta|eta_w) values measured in different pseudorapidity windows for particles in 1 < pT < 2 GEV/c and -1 < eta < 0.

Table for Figure 2(d) -0.5 < eta < 0.5

B_s(d eta) based on B(d eta|eta_w) values measured in different pseudorapidity windows for particles in 1 < pT < 2 GEV/c and -0.5 < eta < 0.5.

Table for Figure 2(d) -1 < eta < 1

B_s(d eta) based on B(d eta|eta_w) values measured in different pseudorapidity windows for particles in 1 < pT < 2 GEV/c and -1 < eta < 1.

Table for Figure 2(d) -1.3 < eta < 1.3

B_s(d eta) based on B(d eta|eta_w) values measured in different pseudorapidity windows for particles in 1 < pT < 2 GEV/c and -1.3 < eta < 1.3.

Table for Figure 3(a)

The pT dependence of the width of the BF in 60-80% centrality.

Table for Figure 3(b)

The pT dependence of the width of the BF in 30-60% centrality.

Table for Figure 3(c)

The pT dependence of the width of the BF in 10-30% centrality.

Table for Figure 3(d)

The pT dependence of the width of the BF in 0-10% centrality.

Table for Figure 3(e)

The centrality dependence of the width of the BF in 0.15 < pT < 0.4 GEV/c.

Table for Figure 3(f)

The centrality dependence of the width of the BF in 0.4 < pT < 0.7 GEV/c.

Table for Figure 3(g)

The centrality dependence of the width of the BF in 0.7 < pT < 1 GEV/c.

Table for Figure 3(h)

The centrality dependence of the width of the BF in 1 < pT < 2 GEV/c.

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