Abundance of Δ resonances in 58Ni + 58Ni collisions between 1 and 2 AGeV

Byungsik Hong; N. Herrmann; J. L. Ritman; D. Best; A. Gobbi; K. D. Hildenbrand; M. Kirejczyk; Y. Leifels; C. Pinkenburg; W. Reisdorf; D. Schüll; U. Sodan; O. S. Wang; T. Wienold; J. P. Alard; V. Amouroux; N. Bastid; I. Belyaev; G. Berek; J. Biegansky; A. Buta; J. P. Coffin; P. Crochet; R. Dona; P. Dupieux; M. Eskef; P. Fintz; Z. Fodor; L. Fraysse; A. Genoux-Lubain; G. Goebels; G. Guillaume; E. Häfele; F. Jundt; J. Kecskemeti; M. Korolija; R. Kotte; C. Kuhn; A. Lebedev; I. Legrand; C. Maazouzi; V. Manko; J. Mösner; S. Mohren; W. Neubert; D. Pelte; M. Petrovici; P. Pras; F. Rami; C. Roy; Z. Seres; B. Sikora; V. Simion; K. Siwek-Wilczyńska; A. Somov; L. Tizniti; M. Trzaska; M. A. Vasiliev; P. Wagner; D. Wohlfarth; A. Zhilin

Abundance of Δ resonances in ⁵⁸Ni + ⁵⁸Ni collisions between 1 and 2 AGeV

Byungsik Hong, N. Herrmann, J. L. Ritman, D. Best, A. Gobbi, K. D. Hildenbrand, M. Kirejczyk, Y. Leifels, C. Pinkenburg, W. Reisdorf, D. Schüll, U. Sodan, O. S. Wang, T. Wienold, J. P. Alard, V. Amouroux, N. Bastid, I. Belyaev, G. Berek, J. BieganskyA. Buta, J. P. Coffin, P. Crochet, R. Dona, P. Dupieux, M. Eskef, P. Fintz, Z. Fodor, L. Fraysse, A. Genoux-Lubain, G. Goebels, G. Guillaume, E. Häfele, F. Jundt, J. Kecskemeti, M. Korolija, R. Kotte, C. Kuhn, A. Lebedev, I. Legrand, C. Maazouzi, V. Manko, J. Mösner, S. Mohren, W. Neubert, D. Pelte, M. Petrovici, P. Pras, F. Rami, C. Roy, Z. Seres, B. Sikora, V. Simion, K. Siwek-Wilczyńska, A. Somov, L. Tizniti, M. Trzaska, M. A. Vasiliev, P. Wagner, D. Wohlfarth, A. Zhilin

Research output: Contribution to journal › Article

62 Citations (Scopus)

Abstract

Charged pion spectra measured in ⁵⁸Ni-⁵⁸Ni collisions at 1.06, 1.45 and 1.93 AGeV are interpreted in terms of a thermal model including the decay of Δ resonances. The transverse momentum spectra of pions are well reproduced by adding the pions originating from the Δ -resonance decay to the component of thermal pions, deduced from the high transverse momentum part of the pion spectra. About 10 and 18% of the nucleons are excited to Δ states at freeze-out for beam energies of 1 and 2 AGeV, respectively.

Original language	English
Pages (from-to)	115-120
Number of pages	6
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	407
Issue number	2
Publication status	Published - 1997 Aug 28
Externally published	Yes

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Keywords

δResonance
Freeze-out
Pion
Thermal model

ASJC Scopus subject areas

Nuclear and High Energy Physics

Cite this

Hong, B., Herrmann, N., Ritman, J. L., Best, D., Gobbi, A., Hildenbrand, K. D., ... Zhilin, A. (1997). Abundance of Δ resonances in ⁵⁸Ni + ⁵⁸Ni collisions between 1 and 2 AGeV. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 407(2), 115-120.

Abundance of Δ resonances in ⁵⁸Ni + ⁵⁸Ni collisions between 1 and 2 AGeV. / Hong, Byungsik; Herrmann, N.; Ritman, J. L.; Best, D.; Gobbi, A.; Hildenbrand, K. D.; Kirejczyk, M.; Leifels, Y.; Pinkenburg, C.; Reisdorf, W.; Schüll, D.; Sodan, U.; Wang, O. S.; Wienold, T.; Alard, J. P.; Amouroux, V.; Bastid, N.; Belyaev, I.; Berek, G.; Biegansky, J.; Buta, A.; Coffin, J. P.; Crochet, P.; Dona, R.; Dupieux, P.; Eskef, M.; Fintz, P.; Fodor, Z.; Fraysse, L.; Genoux-Lubain, A.; Goebels, G.; Guillaume, G.; Häfele, E.; Jundt, F.; Kecskemeti, J.; Korolija, M.; Kotte, R.; Kuhn, C.; Lebedev, A.; Legrand, I.; Maazouzi, C.; Manko, V.; Mösner, J.; Mohren, S.; Neubert, W.; Pelte, D.; Petrovici, M.; Pras, P.; Rami, F.; Roy, C.; Seres, Z.; Sikora, B.; Simion, V.; Siwek-Wilczyńska, K.; Somov, A.; Tizniti, L.; Trzaska, M.; Vasiliev, M. A.; Wagner, P.; Wohlfarth, D.; Zhilin, A.

In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 407, No. 2, 28.08.1997, p. 115-120.

Research output: Contribution to journal › Article

Hong, B, Herrmann, N, Ritman, JL, Best, D, Gobbi, A, Hildenbrand, KD, Kirejczyk, M, Leifels, Y, Pinkenburg, C, Reisdorf, W, Schüll, D, Sodan, U, Wang, OS, Wienold, T, Alard, JP, Amouroux, V, Bastid, N, Belyaev, I, Berek, G, Biegansky, J, Buta, A, Coffin, JP, Crochet, P, Dona, R, Dupieux, P, Eskef, M, Fintz, P, Fodor, Z, Fraysse, L, Genoux-Lubain, A, Goebels, G, Guillaume, G, Häfele, E, Jundt, F, Kecskemeti, J, Korolija, M, Kotte, R, Kuhn, C, Lebedev, A, Legrand, I, Maazouzi, C, Manko, V, Mösner, J, Mohren, S, Neubert, W, Pelte, D, Petrovici, M, Pras, P, Rami, F, Roy, C, Seres, Z, Sikora, B, Simion, V, Siwek-Wilczyńska, K, Somov, A, Tizniti, L, Trzaska, M, Vasiliev, MA, Wagner, P, Wohlfarth, D & Zhilin, A 1997, 'Abundance of Δ resonances in ⁵⁸Ni + ⁵⁸Ni collisions between 1 and 2 AGeV', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 407, no. 2, pp. 115-120.

Hong, Byungsik ; Herrmann, N. ; Ritman, J. L. ; Best, D. ; Gobbi, A. ; Hildenbrand, K. D. ; Kirejczyk, M. ; Leifels, Y. ; Pinkenburg, C. ; Reisdorf, W. ; Schüll, D. ; Sodan, U. ; Wang, O. S. ; Wienold, T. ; Alard, J. P. ; Amouroux, V. ; Bastid, N. ; Belyaev, I. ; Berek, G. ; Biegansky, J. ; Buta, A. ; Coffin, J. P. ; Crochet, P. ; Dona, R. ; Dupieux, P. ; Eskef, M. ; Fintz, P. ; Fodor, Z. ; Fraysse, L. ; Genoux-Lubain, A. ; Goebels, G. ; Guillaume, G. ; Häfele, E. ; Jundt, F. ; Kecskemeti, J. ; Korolija, M. ; Kotte, R. ; Kuhn, C. ; Lebedev, A. ; Legrand, I. ; Maazouzi, C. ; Manko, V. ; Mösner, J. ; Mohren, S. ; Neubert, W. ; Pelte, D. ; Petrovici, M. ; Pras, P. ; Rami, F. ; Roy, C. ; Seres, Z. ; Sikora, B. ; Simion, V. ; Siwek-Wilczyńska, K. ; Somov, A. ; Tizniti, L. ; Trzaska, M. ; Vasiliev, M. A. ; Wagner, P. ; Wohlfarth, D. ; Zhilin, A. / Abundance of Δ resonances in ⁵⁸Ni + ⁵⁸Ni collisions between 1 and 2 AGeV. In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 1997 ; Vol. 407, No. 2. pp. 115-120.

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abstract = "Charged pion spectra measured in 58Ni-58Ni collisions at 1.06, 1.45 and 1.93 AGeV are interpreted in terms of a thermal model including the decay of Δ resonances. The transverse momentum spectra of pions are well reproduced by adding the pions originating from the Δ -resonance decay to the component of thermal pions, deduced from the high transverse momentum part of the pion spectra. About 10 and 18{\%} of the nucleons are excited to Δ states at freeze-out for beam energies of 1 and 2 AGeV, respectively.",

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AU - Hong, Byungsik

AU - Herrmann, N.

AU - Ritman, J. L.

AU - Best, D.

AU - Gobbi, A.

AU - Hildenbrand, K. D.

AU - Kirejczyk, M.

AU - Leifels, Y.

AU - Pinkenburg, C.

AU - Reisdorf, W.

AU - Schüll, D.

AU - Sodan, U.

AU - Wang, O. S.

AU - Wienold, T.

AU - Alard, J. P.

AU - Amouroux, V.

AU - Bastid, N.

AU - Belyaev, I.

AU - Berek, G.

AU - Biegansky, J.

AU - Buta, A.

AU - Coffin, J. P.

AU - Crochet, P.

AU - Dona, R.

AU - Dupieux, P.

AU - Eskef, M.

AU - Fintz, P.

AU - Fodor, Z.

AU - Fraysse, L.

AU - Genoux-Lubain, A.

AU - Goebels, G.

AU - Guillaume, G.

AU - Häfele, E.

AU - Jundt, F.

AU - Kecskemeti, J.

AU - Korolija, M.

AU - Kotte, R.

AU - Kuhn, C.

AU - Lebedev, A.

AU - Legrand, I.

AU - Maazouzi, C.

AU - Manko, V.

AU - Mösner, J.

AU - Mohren, S.

AU - Neubert, W.

AU - Pelte, D.

AU - Petrovici, M.

AU - Pras, P.

AU - Rami, F.

AU - Roy, C.

AU - Seres, Z.

AU - Sikora, B.

AU - Simion, V.

AU - Siwek-Wilczyńska, K.

AU - Somov, A.

AU - Tizniti, L.

AU - Trzaska, M.

AU - Vasiliev, M. A.

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AU - Wohlfarth, D.

AU - Zhilin, A.

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N2 - Charged pion spectra measured in 58Ni-58Ni collisions at 1.06, 1.45 and 1.93 AGeV are interpreted in terms of a thermal model including the decay of Δ resonances. The transverse momentum spectra of pions are well reproduced by adding the pions originating from the Δ -resonance decay to the component of thermal pions, deduced from the high transverse momentum part of the pion spectra. About 10 and 18% of the nucleons are excited to Δ states at freeze-out for beam energies of 1 and 2 AGeV, respectively.

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KW - δResonance

KW - Freeze-out

KW - Pion

KW - Thermal model

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