Production of , ψ′ and γ in 800 GeV/c proton-silicon interactions

Alexopoulos, T.; Antoniazzi, L.; Arenton, M. W.; Ballagh, H. C.; Bingham, H. H.; Blankman, A.; Block, M. M.; Boden, Andrew F.; Bonomi, G.; Borodin, S.V.; Budagov, J.; Cao, Z.; Cataldi, G.; Chen, T. Y.; Clark, K.; Cline, D.; Conetti, S.; Cooper, M.; Corti, G.; Cox, B.; Creti, P.; Dukes, C.; Durandet, C.; Elia, Valerio; Erwin, A. R.; Evangelista, E.; Fortney, L.; Golovatyuk, V.; Gorini, E.; Grancagnolo, F.; Hagan-Ingram, K.; Haire, M.; Hanlet, P.; He, M.; Introzzi, G.; Jenkins, M.; Jennings, J.; Judd, D.; Kononenko, W.; Kowald, W.; Lau, K.; Lawry, T.; Ledovskoy, A.; Liguori, G.; Lys, J.; Mazur, Péter; McManus, A. P.; Misawa, S.; Mo, G. H.; Murphy, C.T.; Nelson, K. S.; Panareo, M.; Pogosyan, V.; Ramachandran, S.; Recagni, M.; Rhoades, J.; Segal, J.; Selove, W.; Smith, R. P.; Spiegel, L.; Sun, J.; Tokár, S.; Torre, P.; Trischuk, J.; Turnbull, L.; Tzamouranis, I.; Wagoner, D. E.; Wang, C. R.; Wei, C.; Yang, W. C.; N, Yao; Zhang, N. J.; Zhang, S. N.; Zou, B. T.

doi:10.1016/0370-2693(96)00256-0

Cited by 32 publications

(5 citation statements)

References 17 publications

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“…Targets P beam P targ ( GeV/c) ( GeV/c) NA51 [16] p, d 450 0 NA50 [13] Be,Al,Cu,Ag,W 450 0 NA50 [14] Be,Al,Cu,Ag,W 450 0 NA50 [15] Be,Al,Cu,Ag,W,Pb 400 0 E288 [17] Be 400 0 E771 [18] Si 800 0 E789 [19] Au 800 0 PHENIX [20] Al, Au 100 100 PHENIX [21] Au 100 100 ALICE [22] Pb 4000 1577 LHCb [23] Pb 4000 1577 TABLE I. Data used.…”

Section: Methodsmentioning

confidence: 99%

“…5) functions respectively, indicate good agreement between data and fit. Figure 3 shows the ψ ′ /J/ψ cross section ratio as a function of τ for several data collected at various energies by the CERN NA51 [16] and NA50 [13] experiments, and the Fermilab E288 [17], E771 [18] and E789 [19] experiments. PHENIX and LHC data are not considered here since, because of the large center-of-mass energy, ψ ′ production is expected to be significantly suppressed by interacting with comovers.…”

Section: Methodsmentioning

confidence: 99%

“…FIG.3. Top: ψ ′ over J/ψ production ratios from[13][14][15][16][17][18][19] as a function of τ , for various targets at various energies; Bottom: Relative difference between data and eq. 4 step function (open circles), between data and eq.…”

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confidence: 99%

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Towards quarkonium formation time determination

Ferreiro,

Fleuret,

Maurice

2021

Preprint

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We propose a parametrization of the nuclear absorption mechanism relying on the proper time spent by cc bound states travelling in nuclear matter. Our approach could lead to the extraction of charmonium formation time. It is based on a large amount of proton-nucleus data, from nucleon-nucleon center-of-mass energies √ s N N = 27 GeV to √ s N N = 5.02 TeV, collected in the past 30 years, and for which the main effect on charmonium production must be its absorption by the nuclear matter it crosses.

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Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

See 1 more Smart Citation

Towards quarkonium formation time determination

Ferreiro,

Fleuret,

Maurice

2021

Preprint

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show abstract

“…The Grey band shows the effects of τ J/ψ 0 uncertainties on the sigmoid function Fig. 3 Top: ψ over J/ψ production ratios from [16][17][18][19][20][21][22] as a function of τ , for various targets at various energies; Bottom: Relative difference between data and Eq. (4) step function (open circles), between data and Eq.…”

mentioning

confidence: 99%

“…Figure 3 shows the ψ /J/ψ cross section ratio as a function of τ for several data collected at various energies by the CERN NA51 [19] and NA50 [16] experiments, and the Fermilab E288 [20], E771 [21] and E789 [22] experiments. PHENIX and LHC data are not considered here since, because of the large center-of-mass energy, ψ production is expected to be significantly suppressed by interacting with comovers.…”

mentioning

confidence: 99%

Towards quarkonium formation time determination

2022

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We propose a parametrization of the nuclear absorption mechanism relying on the proper time spent by $${c} {{{\overline{{c}}}}} $$ c c ¯ bound states travelling in nuclear matter. Our approach could lead to the extraction of charmonium formation time. It is based on a large amount of proton-nucleus data, from nucleon-nucleon center-of-mass energies $${\sqrt{s_{NN}}} =27{\mathrm {\,Ge V}} $$ s NN = 27 Ge V to $${\sqrt{s_{NN}}} =5.02{\mathrm {\,Te V}} $$ s NN = 5.02 Te V , collected in the past 30 years, and for which the main effect on charmonium production must be its absorption by the nuclear matter it crosses.

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Charmonium Hadro-Production at HERA-B

Igonkina

2003

Particle Physics in the New Millennium

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Production of , ψ′ and γ in 800 GeV/c proton-silicon interactions

Cited by 32 publications

References 17 publications

Towards quarkonium formation time determination

Towards quarkonium formation time determination

Towards quarkonium formation time determination

Charmonium Hadro-Production at HERA-B

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