dorsal/arxiv
View SchemaDetectability of Strange Matter in Heavy Ion Experiments
| Authors | Juergen Schaffner-Bielich, Carsten Greiner, Alexander Diener, Horst Stoecker |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/9611052 |
| URL | https://arxiv.org/abs/nucl-th/9611052 |
| DOI | 10.1103/PhysRevC.55.3038 |
| Journal | Phys.Rev.C55:3038-3046,1997 |
Abstract
We discuss the properties of two distinct forms of hypothetical strange matter, small lumps of strange quark matter (strangelets) and of hyperon matter (metastable exotic multihypernuclear objects: MEMOs), with special emphasis on their relevance for present and future heavy ion experiments. The masses of small strangelets up to A = 40 are calculated using the MIT bag model with shell mode filling for various bag parameters. The strangelets are checked for possible strong and weak hadronic decays, also taking into account multiple hadron decays. It is found that strangelets which are stable against strong decay are most likely highly negative charged, contrary to previous findings. Strangelets can be stable against weak hadronic decay but their masses and charges are still rather high. This has serious impact on the present high sensitivity searches in heavy ion experiments at the AGS and CERN facilities. On the other hand, highly charged MEMOs are predicted on the basis of an extended relativistic mean-field model. Those objects could be detected in future experiments searching for short-lived, rare composites. It is demonstrated that future experiments can be sensitive to a much wider variety of strangelets.
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"abstract": "We discuss the properties of two distinct forms of hypothetical strange\nmatter, small lumps of strange quark matter (strangelets) and of hyperon matter\n(metastable exotic multihypernuclear objects: MEMOs), with special emphasis on\ntheir relevance for present and future heavy ion experiments. The masses of\nsmall strangelets up to A = 40 are calculated using the MIT bag model with\nshell mode filling for various bag parameters. The strangelets are checked for\npossible strong and weak hadronic decays, also taking into account multiple\nhadron decays. It is found that strangelets which are stable against strong\ndecay are most likely highly negative charged, contrary to previous findings.\nStrangelets can be stable against weak hadronic decay but their masses and\ncharges are still rather high. This has serious impact on the present high\nsensitivity searches in heavy ion experiments at the AGS and CERN facilities.\nOn the other hand, highly charged MEMOs are predicted on the basis of an\nextended relativistic mean-field model. Those objects could be detected in\nfuture experiments searching for short-lived, rare composites. It is\ndemonstrated that future experiments can be sensitive to a much wider variety\nof strangelets.",
"arxiv_id": "nucl-th/9611052",
"authors": [
"Juergen Schaffner-Bielich",
"Carsten Greiner",
"Alexander Diener",
"Horst Stoecker"
],
"categories": [
"nucl-th"
],
"doi": "10.1103/PhysRevC.55.3038",
"journal_ref": "Phys.Rev.C55:3038-3046,1997",
"title": "Detectability of Strange Matter in Heavy Ion Experiments",
"url": "https://arxiv.org/abs/nucl-th/9611052"
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