Single-and multi-nucleon K− interactions with nuclei near threshold
Six recent SU(3) chiral-model EFT approaches to the K̅-nucleon interaction near threshold, constrained by K− p low-energy scattering and reaction data and by the kaonic hydrogen SIDDHARTA experiment, are used as input in kaonic atom calculations. Good agreement with the world-data on kaonic atoms is...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
EDP Sciences
2018-01-01
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| Series: | EPJ Web of Conferences |
| Online Access: | https://doi.org/10.1051/epjconf/201818101008 |
| Summary: | Six recent SU(3) chiral-model EFT approaches to the K̅-nucleon interaction near threshold, constrained by K− p low-energy scattering and reaction data and by the kaonic hydrogen SIDDHARTA experiment, are used as input in kaonic atom calculations. Good agreement with the world-data on kaonic atoms is achieved with optical potentials built on the above models only when K̅N amplitudes are supplemented by a phenomenological multi-nucleon term. Comparing predictions with experimental single-nucleon absorption-at-rest fractions on nuclei, only two of the models together with their associated phenomenological term are acceptable. The information content of K−-nucleus data near threshold is discussed and the topic of deeply-bound kaonic atoms is re-visited. |
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| ISSN: | 2100-014X |