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

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

Abstract
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.

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

    10.17182/hepdata.97118.v1/t1

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

  • Table for Figure 1(a) 0 < eta < 1

    10.17182/hepdata.97118.v1/t2

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

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

    10.17182/hepdata.97118.v1/t3

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

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

    10.17182/hepdata.97118.v1/t4

    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

    10.17182/hepdata.97118.v1/t5

    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

    10.17182/hepdata.97118.v1/t6

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

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

    10.17182/hepdata.97118.v1/t7

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

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

    10.17182/hepdata.97118.v1/t8

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

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

    10.17182/hepdata.97118.v1/t9

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

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

    10.17182/hepdata.97118.v1/t10

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

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

    10.17182/hepdata.97118.v1/t11

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

  • Table for Figure 1(c) 0 < eta < 1

    10.17182/hepdata.97118.v1/t12

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

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

    10.17182/hepdata.97118.v1/t13

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

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

    10.17182/hepdata.97118.v1/t14

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

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

    10.17182/hepdata.97118.v1/t15

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

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

    10.17182/hepdata.97118.v1/t16

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

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

    10.17182/hepdata.97118.v1/t17

    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...

  • Table for Figure 2(a) 0 < eta < 1

    10.17182/hepdata.97118.v1/t18

    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...

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

    10.17182/hepdata.97118.v1/t19

    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...

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

    10.17182/hepdata.97118.v1/t20

    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...

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

    10.17182/hepdata.97118.v1/t21

    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...

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

    10.17182/hepdata.97118.v1/t22

    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...

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

    10.17182/hepdata.97118.v1/t23

    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...

  • Table for Figure 2(b) 0 < eta < 1

    10.17182/hepdata.97118.v1/t24

    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...

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

    10.17182/hepdata.97118.v1/t25

    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...

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

    10.17182/hepdata.97118.v1/t26

    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...

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

    10.17182/hepdata.97118.v1/t27

    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...

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

    10.17182/hepdata.97118.v1/t28

    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...

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

    10.17182/hepdata.97118.v1/t29

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

  • Table for Figure 2(c) 0 < eta < 1

    10.17182/hepdata.97118.v1/t30

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

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

    10.17182/hepdata.97118.v1/t31

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

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

    10.17182/hepdata.97118.v1/t32

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

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

    10.17182/hepdata.97118.v1/t33

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

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

    10.17182/hepdata.97118.v1/t34

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

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

    10.17182/hepdata.97118.v1/t35

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

  • Table for Figure 2(d) 0 < eta < 1

    10.17182/hepdata.97118.v1/t36

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

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

    10.17182/hepdata.97118.v1/t37

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

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

    10.17182/hepdata.97118.v1/t38

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

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

    10.17182/hepdata.97118.v1/t39

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

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

    10.17182/hepdata.97118.v1/t40

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

  • Table for Figure 3(a)

    10.17182/hepdata.97118.v1/t41

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

  • Table for Figure 3(b)

    10.17182/hepdata.97118.v1/t42

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

  • Table for Figure 3(c)

    10.17182/hepdata.97118.v1/t43

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

  • Table for Figure 3(d)

    10.17182/hepdata.97118.v1/t44

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

  • Table for Figure 3(e)

    10.17182/hepdata.97118.v1/t45

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

  • Table for Figure 3(f)

    10.17182/hepdata.97118.v1/t46

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

  • Table for Figure 3(g)

    10.17182/hepdata.97118.v1/t47

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

  • Table for Figure 3(h)

    10.17182/hepdata.97118.v1/t48

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

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