{"_buckets": {"deposit": "1d2e623f-3e57-45f0-9564-61c76ad0db6a"}, "_deposit": {"id": "22364", "owners": [], "pid": {"revision_id": 0, "type": "depid", "value": "22364"}, "status": "published"}, "_oai": {"id": "oai:nagoya.repo.nii.ac.jp:00022364"}, "item_9_alternative_title_19": {"attribute_name": "\u305d\u306e\u4ed6\u306e\u8a00\u8a9e\u306e\u30bf\u30a4\u30c8\u30eb", "attribute_value_mlt": [{"subitem_alternative_title": "Status and Applications of a Tandetron AMS System at Nagoya University in 2015"}]}, "item_9_biblio_info_6": {"attribute_name": "\u66f8\u8a8c\u60c5\u5831", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "2016-03", "bibliographicIssueDateType": "Issued"}, "bibliographicPageEnd": "33", "bibliographicPageStart": "28", "bibliographicVolumeNumber": "27", "bibliographic_titles": [{"bibliographic_title": "\u540d\u53e4\u5c4b\u5927\u5b66\u52a0\u901f\u5668\u8cea\u91cf\u5206\u6790\u8a08\u696d\u7e3e\u5831\u544a\u66f8"}]}]}, "item_9_description_4": {"attribute_name": "\u6284\u9332", "attribute_value_mlt": [{"subitem_description": "An AMS system (Model 4130-AMS) dedicated to 14C measurements, built by High Voltage Engineering Europe (HVEE), B.V., The Netherlands, was delivered to Nagoya University in 1996/97. Acceptance tests of its performance on carbon isotope measurements were completed in January of 1999, and routine measurements began in mid-2000. Since completion of the acceptance tests in early 1999, we have encountered a lot of troubles with the machine, particularly in 2002. Since the end of 2002, the machine has worked relatively well, expect for minor problems. The standard deviation (one sigma) of the 14C/12C ratio is around \u00b10.3% to \u00b10.4% (a bit larger than the uncertainty of about \u00b10.3% calculated from 14C counting statistics) and that of the corresponding 13C/12C ratio is \u00b10.03% to \u00b10.07%, as are tested for HOxII targets. The number of targets measured was 330, 1430, 2077, 1003, 1,979, 1679, 1772, 1115, 1339, 866, 1300, 1701, 1449, 1634, 1351, 1741, 1156 in each year from 1999 to 2015, respectively, and total number of targets measured by the end of 2015 is 23,921. We briefly describe the maintenance processes and application results of the AMS system in 2015. The Tandetron AMS system at Nagoya University worked rather well in 2015, with only minor failures, such as (1) X-Y direction movement trouble of target surface to change sputtering positions, (2) compressed-air-leakage problem of an air cylinder to exchange targets to be measured, (3) unexpected break down of high voltage of accelerator without any sparks, without any specific reasons, (4) ion source cleaning due to shortage of Cs in the container, (5) high temperature problem of the circulating water for cooling down the power supply system for two high-energy mass-analyzing magnets. The error no. (3) above became a serious problem at last in December, because we cannot reset a system diagnostic alarm concerning a high voltage spark at last. It was finally found out that the problem caused by a malfunction of the spark-detector circuit unit, mounted on the top of the accelerator tank. \\\nIn 2015, we also carried out many application programs of 14C measurements. The reports are included in this Proceedings volume.", "subitem_description_type": "Abstract"}]}, "item_9_description_5": {"attribute_name": "\u5185\u5bb9\u8a18\u8ff0", "attribute_value_mlt": [{"subitem_description": "\u540d\u53e4\u5c4b\u5927\u5b66\u5b87\u5b99\u5730\u7403\u74b0\u5883\u7814\u7a76\u6240\u5e74\u4ee3\u6e2c\u5b9a\u7814\u7a76\u90e8\u30b7\u30f3\u30dd\u30b8\u30a6\u30e0\u5831\u544a", "subitem_description_type": "Other"}]}, "item_9_identifier_registration": {"attribute_name": "ID\u767b\u9332", "attribute_value_mlt": [{"subitem_identifier_reg_text": "10.18999/sumrua.27.28", "subitem_identifier_reg_type": "JaLC"}]}, "item_9_publisher_32": {"attribute_name": "\u51fa\u7248\u8005", "attribute_value_mlt": [{"subitem_publisher": "\u540d\u53e4\u5c4b\u5927\u5b66\u5b87\u5b99\u5730\u7403\u74b0\u5883\u7814\u7a76\u6240\u5e74\u4ee3\u6e2c\u5b9a\u7814\u7a76\u90e8"}]}, "item_9_select_15": {"attribute_name": "\u8457\u8005\u7248\u30d5\u30e9\u30b0", "attribute_value_mlt": [{"subitem_select_item": 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