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The measurements show a time resolution of 24 ps initially during Beginning of Operation (BoO) and 58 ps at End of Operation (EoO) conditions, matching well the BTL requirements. We also showed that the time resolution is stable up to the highest expected MIP rate. Extensive radiation tests were performed, both with x-rays and heavy ions, showing that TOFHIR2 is not affected by the radiation environment during the experiment lifetime.<\/jats:p>","DOI":"10.1088\/1748-0221\/19\/05\/p05048","type":"journal-article","created":{"date-parts":[[2024,5,20]],"date-time":"2024-05-20T14:57:59Z","timestamp":1716217079000},"page":"P05048","update-policy":"https:\/\/doi.org\/10.1088\/crossmark-policy","source":"Crossref","is-referenced-by-count":7,"title":["TOFHIR2: the readout ASIC of the CMS barrel MIP Timing Detector"],"prefix":"10.1088","volume":"19","author":[{"given":"E.","family":"Albuquerque","sequence":"first","affiliation":[]},{"given":"M.","family":"Ara\u00fajo","sequence":"additional","affiliation":[]},{"given":"A.","family":"Benaglia","sequence":"additional","affiliation":[]},{"given":"A.","family":"Boletti","sequence":"additional","affiliation":[]},{"given":"R.","family":"Bugalho","sequence":"additional","affiliation":[]},{"given":"T.","family":"Coutinho","sequence":"additional","affiliation":[]},{"given":"F.","family":"De Guio","sequence":"additional","affiliation":[]},{"given":"P.","family":"Faccioli","sequence":"additional","affiliation":[]},{"given":"L.","family":"Ferramacho","sequence":"additional","affiliation":[]},{"given":"M.","family":"Firlej","sequence":"additional","affiliation":[]},{"given":"T.","family":"Fiutowski","sequence":"additional","affiliation":[]},{"given":"R.","family":"Francisco","sequence":"additional","affiliation":[]},{"given":"M.","family":"Gallinaro","sequence":"additional","affiliation":[]},{"given":"A.","family":"Ghezzi","sequence":"additional","affiliation":[]},{"given":"J.","family":"Hollar","sequence":"additional","affiliation":[]},{"given":"M.","family":"Idzik","sequence":"additional","affiliation":[]},{"given":"H.","family":"Legoinha","sequence":"additional","affiliation":[]},{"given":"N.","family":"Leonardo","sequence":"additional","affiliation":[]},{"given":"C.","family":"Leong","sequence":"additional","affiliation":[]},{"given":"M.T.","family":"Lucchini","sequence":"additional","affiliation":[]},{"given":"M.","family":"Malberti","sequence":"additional","affiliation":[]},{"given":"G.","family":"Marozzo","sequence":"additional","affiliation":[]},{"given":"G.","family":"Da Molin","sequence":"additional","affiliation":[]},{"given":"J.","family":"Moron","sequence":"additional","affiliation":[]},{"given":"T.","family":"Niknejad","sequence":"additional","affiliation":[]},{"given":"L.","family":"Oliveira","sequence":"additional","affiliation":[]},{"given":"N.","family":"Oliveira","sequence":"additional","affiliation":[]},{"given":"S.","family":"Palluotto","sequence":"additional","affiliation":[]},{"given":"M.","family":"Pisano","sequence":"additional","affiliation":[]},{"given":"N.","family":"Redaelli","sequence":"additional","affiliation":[]},{"given":"C.","family":"Silva","sequence":"additional","affiliation":[]},{"given":"J.C.","family":"Silva","sequence":"additional","affiliation":[]},{"given":"R.","family":"Silva","sequence":"additional","affiliation":[]},{"given":"M.","family":"Silveira","sequence":"additional","affiliation":[]},{"given":"K.","family":"Swientek","sequence":"additional","affiliation":[]},{"given":"T.","family":"Tabarelli de Fatis","sequence":"additional","affiliation":[]},{"given":"S.","family":"Tavernier","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2613-3146","authenticated-orcid":false,"given":"J.","family":"Varela","sequence":"additional","affiliation":[]},{"given":"V.","family":"Varela","sequence":"additional","affiliation":[]},{"given":"S.","family":"White","sequence":"additional","affiliation":[]},{"given":"J.","family":"Wulff","sequence":"additional","affiliation":[]}],"member":"266","published-online":{"date-parts":[[2024,5,20]]},"reference":[{"key":"bc4ca4238a0b923820dcc509a6f75849b","doi-asserted-by":"publisher","author":"Contardo","year":"2015","DOI":"10.17181\/CERN.VU8I.D59J"},{"key":"bc81e728d9d4c2f636f067f89cc14862c","author":"CMS","year":"2019"},{"key":"beccbc87e4b5ce2fe28308fd9f2a7baf3","doi-asserted-by":"publisher","first-page":"97","DOI":"10.1016\/j.jcrysgro.2013.01.038","article-title":"Crystal growth and scintillation properties of LSO and LYSO crystals","volume":"368","author":"Mao","year":"2013","journal-title":"J. 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