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Scaling of transverse energies and multiplicities with atomic number and energy in ultrarelativistic nuclear collisions
Open accessAbstract
Abstract We compute how the initial energy density and produced gluon, quark and antiquark numbers scale with atomic number and beam energy in ultrarelativistic heavy ion collisions. The computation is based on the argument that the effect of all momentum scales can be estimated by performing the computation at one transverse momentum scale, the saturation momentum. The initial numbers are converted to final ones by assuming kinetic thermalization and adiabatic expansion. The main emphasis of the study is at LHC and RHIC energies but it is observed that even at SPS energies this approach leads to results which are not unreasonable: what is usually described as a completely soft non-perturbative process can also be described in terms of gluons and quarks. The key element is the use of the saturation scale.
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Citations
Cited by
Adams, J., Aggarwal, M. M., Ahammed, Z., Amonett, J., Anderson, B. D., Arkhipkin, D., Averichev, G. S., Badyal, S. K., Bai, Y., Balewski, J., et al. (2005) · Nuclear Physics A · doi:10.1016/j.nuclphysa.2005.03.085 · Cited by 3,379
Adcox, K., Adler, S. S., Afanasiev, S., Aidala, C., Ajitanand, N. N., Akiba, Y., Al-Jamel, A., Alexander, J., Amirikas, R., Aoki, K., et al. (2005) · Nuclear Physics A · doi:10.1016/j.nuclphysa.2005.03.086 · Cited by 3,025
““HIJING” is a pQCD-based model [71], while “KLN” features gluon saturation in the initial state [72,73]; “EKRT” assumes saturation in the final state [74,75].”
BackgroundNew forms of QCD matter discovered at RHIC
Gyulassy, M., & McLerran, L. (2005) · Nuclear Physics A · doi:10.1016/j.nuclphysa.2004.10.034 · Cited by 1,122
“Bottom-up” thermalization in heavy ion collisions
Baier, R., Mueller, A. H., Schiff, D., & Son, D. T. (2001) · Physics Letters B · doi:10.1016/s0370-2693(01)00191-5 · Cited by 593
ALICE: Physics Performance Report, Volume II
Collaboration, A., Alessandro, B., Antinori, F., Belikov, J. A., Blume, C., Dainese, A., Foka, P., Giubellino, P., Hippolyte, B., Kuhn, C., et al. (2006) · Journal of Physics G: Nuclear and Particle Physics · doi:10.1088/0954-3899/32/10/001 · Cited by 549
Metadata
- Authors
- Eskola, K. J., Kajantie, K., Ruuskanen, P. V., & Tuominen, K.
- Venue
- Nuclear Physics B
- Publisher
- Elsevier BV
- Published
- 2000-03
- Volume
- 570
- Issue
- 1-2
- Pages
- 379-389
- ISSN
- 0550-3213 (ISSN-L)
- OpenAlex
- W2093767497
- Cited by
- 306
- References
- 0
- FWCI
- 25.49
- Type
- journal article
- Language
- en
- Open access
- green
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- Eskola, K. J., Kajantie, K., Ruuskanen, P. V., & Tuominen, K. (2000). Scaling of transverse energies and multiplicities with atomic number and energy in ultrarelativistic nuclear collisions. Nuclear Physics B. https://doi.org/10.1016/s0550-3213(99)00720-8
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