Energy dependence of directed flow over a wide range of pseudorapidity in Au + Au collisions at the BNL relativistic heavy ion collider

Back, B.B.; Baker, M.D.; Ballintijn, M.; Barton, D.S.; Betts, R.R.; Bickley, A.A.; Bindel, R.; Budzanowski, A.; Busza, W.; Carroll, A.; Chai, Z.; Decowski, M.P.; Garcia, E.; Gburek, T.; George, N.; Gulbrandsen, K.; Gushue, S.; Halliwell, C.; Hamblen, J.; Hauer, M.; Heintzelman, G.A.; Henderson, C.; Hofman, D.J.; Hollis, R.S.; Holynnski, R.; Holzman, B.; Iordanova, A.; Johnson, E.; Kane, J.L.; Katzy, J.; Khan, N.; Kucewicz, W.; Kulinich, P.; Kuo, C.M.; Lin, W.T.; Manly, S.; McLeod, D.; Mignerey, A.C.; Nouicer, R.; Olszewski, A.; Pak, R.; Park, I.C.; Pernegger, H.; Reed, C.; Remsberg, L.P.; Reuter, M.; Roland, C.; Roland, G.; Rosenberg, L.; Sagerer, J.; Sarin, P.; Sawicki, P.; Seals, H.; Sedykh, I.; Skulski, W.; Smith, C.E.; Stankiewicz, M.A.; Steinberg, P.; Stephans, G.S.F.; Sukhanov, A.; Tang, J.L.; Tonjes, M.B.; Trzupek, A.; Vale, C.; van Nieuwenhuizen, G.J.; Vaurynovich, S.S.; Verdier, R.; Veres, G.I.; Wenger, E.; Wolfs, F.L.H.; Wosiek, B.; Wozniak, K.; Wuosmaa, A.H.; Wyslouch, B.

Energy dependence of directed flow over a wide range of pseudorapidity in Au + Au collisions at the BNL relativistic heavy ion collider

journal contribution

posted on 2009-08-08, 00:00 authored by B.B. Back, M.D. Baker, M. Ballintijn, D.S. Barton, R.R. Betts, A.A. Bickley, R. Bindel, A. Budzanowski, W. Busza, A. Carroll, Z. Chai, M.P. Decowski, E. Garcia, T. Gburek, N. George, K. Gulbrandsen, S. Gushue, C. Halliwell, J. Hamblen, M. Hauer, G.A. Heintzelman, C. Henderson, D.J. Hofman, R.S. Hollis, R. Holynnski, B. Holzman, A. Iordanova, E. Johnson, J.L. Kane, J. Katzy, N. Khan, W. Kucewicz, P. Kulinich, C.M. Kuo, W.T. Lin, S. Manly, D. McLeod, A.C. Mignerey, R. Nouicer, A. Olszewski, R. Pak, I.C. Park, H. Pernegger, C. Reed, L.P. Remsberg, M. Reuter, C. Roland, G. Roland, L. Rosenberg, J. Sagerer, P. Sarin, P. Sawicki, H. Seals, I. Sedykh, W. Skulski, C.E. Smith, M.A. Stankiewicz, P. Steinberg, G.S.F. Stephans, A. Sukhanov, J.L. Tang, M.B. Tonjes, A. Trzupek, C. Vale, G.J. van Nieuwenhuizen, S.S. Vaurynovich, R. Verdier, G.I. Veres, E. Wenger, F.L.H. Wolfs, B. Wosiek, K. Wozniak, A.H. Wuosmaa, B. Wyslouch

We report on measurements of directed flow as a function of pseudorapidity in Au + Au collisions at energies of root s(NN) = 19.6, 62.4, 130 and 200 GeV as measured by the PHOBOS detector at the BNL Relativistic Heavy Ion Collider. These results are particularly valuable because of the extensive, continuous pseudorapidity coverage of the PHOBOS detector. There is no significant indication of structure near midrapidity and the data surprisingly exhibit extended longitudinal scaling similar to that seen for elliptic flow and charged particle pseudorapidity density.

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American Physical Society

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0031-9007

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2006-07-07

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Energy dependence of directed flow over a wide range of pseudorapidity in Au + Au collisions at the BNL relativistic heavy ion collider

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