dorsal/arxiv
View SchemaRadial flow of kaon mesons in heavy ion reactions
| Authors | Z. S. Wang, Amand Faessler, C. Fuchs, V. S. Uma Maheswari, T. Waindzoch |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/9804046 |
| URL | https://arxiv.org/abs/nucl-th/9804046 |
| DOI | 10.1103/PhysRevC.57.3284 |
| Journal | Phys.Rev.C57:3284-3291,1998 |
Abstract
This work investigates the collective motion of kaons in heavy ion reactions at SIS energies (about 1-2 GeV/nucleon). A radial collective flow of $K^+$ mesons is predicted to exist in central Au + Au collisions, which manifests in a characteristic "shoulder-arm" shape of the transverse mass spectrum of the midrapidity $K^+$ mesons. The $K^+$ radial flow arises from the repulsive $K^+$ mean field in nuclear matter. In spite of a strong reabsorption and rescattering the attractive $K^-$ mean field leads as well to a collective radial flow of $K^-$ mesons. The $K^-$ radial flow, however, is different from that of $K^+$ mesons and can be observed by a characteristic "concave" structure of the transverse mass spectrum of the $K^-$ mesons emitted at midrapidity. The kaon radial flows can therefore serve as a novel tool for the investigation of kaon properties in dense nuclear matter.
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"abstract": "This work investigates the collective motion of kaons in heavy ion reactions\nat SIS energies (about 1-2 GeV/nucleon). A radial collective flow of $K^+$\nmesons is predicted to exist in central Au + Au collisions, which manifests in\na characteristic \"shoulder-arm\" shape of the transverse mass spectrum of the\nmidrapidity $K^+$ mesons. The $K^+$ radial flow arises from the repulsive $K^+$\nmean field in nuclear matter. In spite of a strong reabsorption and\nrescattering the attractive $K^-$ mean field leads as well to a collective\nradial flow of $K^-$ mesons. The $K^-$ radial flow, however, is different from\nthat of $K^+$ mesons and can be observed by a characteristic \"concave\"\nstructure of the transverse mass spectrum of the $K^-$ mesons emitted at\nmidrapidity. The kaon radial flows can therefore serve as a novel tool for the\ninvestigation of kaon properties in dense nuclear matter.",
"arxiv_id": "nucl-th/9804046",
"authors": [
"Z. S. Wang",
"Amand Faessler",
"C. Fuchs",
"V. S. Uma Maheswari",
"T. Waindzoch"
],
"categories": [
"nucl-th"
],
"doi": "10.1103/PhysRevC.57.3284",
"journal_ref": "Phys.Rev.C57:3284-3291,1998",
"title": "Radial flow of kaon mesons in heavy ion reactions",
"url": "https://arxiv.org/abs/nucl-th/9804046"
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