{"qid": "D124023", "reaction": "e- + Be+ 3s;2S \u2192 Be+ 4s;2S + e-", "process_types": {"EEX": "Excitation"}, "data_type": "cross section", "refs": {"B227": {"doi": "10.1016/j.adt.2023.101634"}}, "comment": "Analytic fits to CCC calculations for electron-impact excitation collision strengths for Be+ as a function of energy in terms of threshold. The uncertainty in the original cross sections is 10 %, while the fitted ones have a total uncertainty of 15 %.", "method": "CCC", "columns": [{"name": "E", "units": "eV"}, {"name": "sigma", "units": "cm2"}], "threshold": 3.3764, "fit": {"coeffs": {"A1": 2.757, "A2": -22.29, "A3": 45.366, "A4": -49.784, "A5": 24.604}, "func": "DF_fit_Be1", "data_type": "collision strength"}, "data_from_fit": false, "time_added": "2024-01-18 10:34:09.238859+00:00", "metadata_version": "M1.0", "recommended": true}
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