Statistical model description of K+ and K- production between 1-GeV/A to 10-GeV/A - INSPIRE

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Statistical model description of K+ and K- production between 1-GeV/A to 10-GeV/A

J. Cleymans
(
- Cape Town U.
)
,
H. Oeschler
(
- Darmstadt, Tech. Hochsch.
)
,
K. Redlich
(
- Wroclaw U. and
- Darmstadt, GSI
)

Apr, 2000

7 pages

Published in:

Phys.Lett.B 485 (2000) 27-31

e-Print:

nucl-th/0004025 [nucl-th]

DOI:

10.1016/S0370-2693(00)00674-2

View in:

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Abstract:

The excitation functions of

K^+

and

K^-

mesons in heavy ion collisions are studied within a statistical model assuming chemical and thermal equilibrium with exact strangeness conservation. At low incident energies the associate production of kaons, i.e. the production of a K+ together with a hyperon and the production of a K- together with a K+, implies specific features: different threshold energies and different dependences of K+ and K- yields on baryon number density. It is shown that the experimentally observed equality of the

K^+

and

K^-

rates at energies

\sqrt{s} - \sqrt{s_{th}} \leq 0

is due to a crossing of the two excitation functions. Furthermore, the independence of the

K^+

to

K^-

ratio on the number of participating nucleons observed at 1 and 10

A\cdot

GeV is consistent with this model.

Note:

3 Postscript figures, uses elsart.sty

scattering: heavy ion
carbon
gold
nickel
K: hadroproduction
yield: (K+ K-)
model: statistical
conservation law: strangeness
numerical calculations: interpretation of experiments
1-10 GeV/nucleon

References(17)

Figures(0)

Subthreshold production of kaons and anti-kaons in nucleus-nucleus collisions at equivalent beam energies

KaoS

Collaboration

•

R. Barth
(
- Darmstadt, GSI
)

et al.

- Phys.Rev.Lett. 78 (1997) 4007-4010
•
DOI:
- 10.1103/PhysRevLett.78.4007

Medium effects in kaon and anti-kaon production in nuclear collisions at subthreshold beam energies

KaoS

Collaboration

•

F. Laue
(
- Darmstadt, GSI
)

et al.

- Phys.Rev.Lett. 82 (1999) 1640-1643
•
e-Print:
- nucl-ex/9901005
•
DOI:
- 10.1103/PhysRevLett.82.1640

Thermal hadron production in high-energy heavy ion collisions

J. Cleymans
(
- Cape Town U. and
- Bielefeld U.
)
,
H. Satz
(
- Bielefeld U. and
- CERN
)

- Z.Phys.C 57 (1993) 135-148
•
e-Print:
- hep-ph/9207204
•
DOI:
- 10.1007/BF01555746

Thermal equilibration and expansion in nucleus-nucleus collisions at the AGS

P. Braun-Munzinger
(
- SUNY, Stony Brook
)
,
J. Stachel
(
- SUNY, Stony Brook
)
,
J.P. Wessels
(
- SUNY, Stony Brook
)
,
N. Xu
(
- SUNY, Stony Brook
)

- Phys.Lett.B 344 (1995) 43-48
•
e-Print:
- nucl-th/9410026
•
DOI:
- 10.1016/0370-2693(94)01534-J

- J.Phys.A 23 1903

Chemical equilibration in Pb + Pb collisions at the SPS

P. Braun-Munzinger
(
- Darmstadt, GSI
)
,
I. Heppe
(
- Heidelberg U.
)
,
J. Stachel
(
- Heidelberg U.
)

- Phys.Lett.B 465 (1999) 15-20
•
e-Print:
- nucl-th/9903010
•
DOI:
- 10.1016/S0370-2693(99)01076-X

Influence of impact parameter on thermal description of relativistic heavy ion collisions at (1-2) A-GeV

Jean Cleymans
(
- Cape Town U.
)
,
Helmut Oeschler
(
- Darmstadt, Tech. Hochsch.
)
,
Krzysztof Redlich
(
- Darmstadt, GSI and
- Wroclaw U.
)

- Phys.Rev.C 59 (1999) 1663
•
e-Print:
- nucl-th/9809027
•
DOI:
- 10.1103/PhysRevC.59.1663

Particle production at the AGS: An excitation function

E866 and
E917

Collaborations

•

J.C. Dunlop
(
- MIT
)

et al.

- Nucl.Phys.A 661 (1999) 472-475
•
DOI:
- 10.1016/S0375-9474(99)85068-4

Unified description of freezeout parameters in relativistic heavy ion collisions

J. Cleymans
(
- Cape Town U.
)
,
K. Redlich
(
- Darmstadt, GSI and
- Wroclaw U.
)

- Phys.Rev.Lett. 81 (1998) 5284-5286
•
e-Print:
- nucl-th/9808030
•
DOI:
- 10.1103/PhysRevLett.81.5284

Chemical and thermal freezeout parameters from 1-A/GeV to 200-A/GeV

J. Cleymans
(
- Cape Town U.
)
,
K. Redlich
(
- Darmstadt, GSI and
- Wroclaw U.
)

- Phys.Rev.C 60 (1999) 054908
•
e-Print:
- nucl-th/9903063
•
DOI:
- 10.1103/PhysRevC.60.054908

Kaon production in Au + Au collisions at 11.6-A-GeV/c

E-802

Collaboration

•

L. Ahle
(
- MIT
)

et al.

- Phys.Rev.C 58 (1998) 3523-3538
•
DOI:
- 10.1103/PhysRevC.58.3523

Kaon production in intermediate-energy nuclear collisions

V.N. Russkikh
(
- Darmstadt, GSI
)
,
Yu.B. Ivanov
(
- Darmstadt, GSI
)

- Nucl.Phys.A 543 (1992) 751-766
•
DOI:
- 10.1016/0375-9474(92)90557-Z

The impact of kaon polarization in nuclear matter on the K- production in heavy ion collisions

- Int.J.Mod.Phys.E 5 (1996) 313-328
•
DOI:
- 10.1142/S0218301396000141

Kaon production at subthreshold energies

C. Hartnack
(
- Nantes U. and
- Darmstadt, GSI
)
,
L. Sehn
(
- Nantes U. and
- Darmstadt, GSI
)
,
J. Jaenicke
(
- Heidelberg U.
)
,
Horst Stoecker
(
- Frankfurt U.
)
,
J. Aichelin
(
- Nantes U.
)

- Nucl.Phys.A 580 (1994) 643-678
•
DOI:
- 10.1016/0375-9474(94)90786-2

Centrality dependence of kaon yields in Si + A and Au + Au collisions at the AGS

E-802 and
E-866

Collaborations

•

L. Ahle
(
- MIT
)

et al.

- Phys.Rev.C 60 (1999) 044904
•
e-Print:
- nucl-ex/9903009
•
DOI:
- 10.1103/PhysRevC.60.044904

Aspects of thermal and chemical equilibration of hadronic matter

et al.

- Nucl.Phys.A 675 (2000) 661-691
•
e-Print:
- nucl-th/0001008
•
DOI:
- 10.1016/S0375-9474(00)00180-9

Local equilibrium in heavy ion collisions: Microscopic model versus statistical model analysis

L.V. Bravina
(
- Frankfurt U. and
- Moscow State U.
)
,
E.E. Zabrodin
(
- Frankfurt U. and
- Moscow State U.
)
,
Mark I. Gorenstein
(
- Frankfurt U. and
- BITP, Kiev
)
,
S.A. Bass
(
- Duke U.
)
,
M. Belkacem
(
- Frankfurt U.
)

et al.

- Phys.Rev.C 60 (1999) 024904
•
e-Print:
- hep-ph/9906548
•
DOI:
- 10.1103/PhysRevC.60.024904