{"paper":{"title":"Performance of the Particle-Identification Silicon-Telescope Array Coupled with the VAMOS++ Magnetic Spectrometer","license":"http://creativecommons.org/licenses/by/4.0/","headline":"The PISTA silicon telescope array achieves 800 keV excitation energy resolution and 1.1 percent mass resolution when coupled to VAMOS++ for fission studies.","cross_cats":["nucl-ex"],"primary_cat":"physics.ins-det","authors_text":"A. Chatillon, A. Cobo-Zarzuelo, A. Francheteau, A. Lemasson, A. Munoz, A. P. D. Ramirez, A. P. Tonchev, B. Errandonea, B. Jacquot, C. Lenain, C. Schmitt, C. Surrault, D. Gruyer, D. Mauss, D. Ramos, E. Cl\\'ement, G. de France, G. Fremont, I. Jangid, J.D. Frankland, J. L. Rodr\\'iguez-S\\'anchez, J. Taieb, L. Audoin, L. B\\'egu\\'e-Guillou, M. Caamano, M. Godio, M. Lalande, M. Rejmund, N. Kumar, O. Syrett, P. Gangnant, P. Morfouace, R. C. Malone, T. Efremov, T. Tanaka","submitted_at":"2026-01-28T15:49:44Z","abstract_excerpt":"The Particle-Identification Silicon-Telescope Array (PISTA) is a new detection system designed for high-resolution studies of the fission process induced by multi-nucleon transfer in inverse kinematics. It is specifically optimized for experiments with the VAMOS++ magnetic spectrometer at GANIL (Grand Acc\\'el\\'erateur National d'Ions Lourds). The array comprises eight trapezoidal $\\Delta$E-E silicon telescopes arranged in a corolla configuration. Each telescope integrates two single-sided stripped silicon detectors, enabling target-like recoil identification, energy loss measurements, and traj"},"claims":{"count":4,"items":[{"kind":"strongest_claim","text":"An excitation energy resolution of 800 keV (FWHM) was determined together with mass resolution of 1.1% (FWHM). The combination of PISTA and VAMOS++ enables unprecedented investigations of the fission process as a function of the excitation energy of the fissioning nucleus, particularly for exotic systems.","source":"verdict.strongest_claim","status":"machine_extracted","claim_id":"C1","attestation":"unclaimed"},{"kind":"weakest_assumption","text":"That energy-loss models, detector calibrations, and trajectory reconstruction introduce no significant systematic biases that would degrade the quoted resolutions when applied to the full range of target-like recoils.","source":"verdict.weakest_assumption","status":"machine_extracted","claim_id":"C2","attestation":"unclaimed"},{"kind":"one_line_summary","text":"PISTA achieves 800 keV FWHM excitation-energy resolution and 1.1% mass resolution for target-like recoils in 238U + 12C reactions.","source":"verdict.one_line_summary","status":"machine_extracted","claim_id":"C3","attestation":"unclaimed"},{"kind":"headline","text":"The PISTA silicon telescope array achieves 800 keV excitation energy resolution and 1.1 percent mass resolution when coupled to VAMOS++ for fission studies.","source":"verdict.pith_extraction.headline","status":"machine_extracted","claim_id":"C4","attestation":"unclaimed"}],"snapshot_sha256":"5e3a75616982ba66b3c8d81ea53be875b6f71a6c35802e49065fe0bb83350f81"},"source":{"id":"2601.20907","kind":"arxiv","version":2},"verdict":{"id":"0f1a2ede-0648-4af0-8ec0-eb9286ac3dd8","model_set":{"reader":"grok-4.3"},"created_at":"2026-05-16T09:53:39.718812Z","strongest_claim":"An excitation energy resolution of 800 keV (FWHM) was determined together with mass resolution of 1.1% (FWHM). The combination of PISTA and VAMOS++ enables unprecedented investigations of the fission process as a function of the excitation energy of the fissioning nucleus, particularly for exotic systems.","one_line_summary":"PISTA achieves 800 keV FWHM excitation-energy resolution and 1.1% mass resolution for target-like recoils in 238U + 12C reactions.","pipeline_version":"pith-pipeline@v0.9.0","weakest_assumption":"That energy-loss models, detector calibrations, and trajectory reconstruction introduce no significant systematic biases that would degrade the quoted resolutions when applied to the full range of target-like recoils.","pith_extraction_headline":"The PISTA silicon telescope array achieves 800 keV excitation energy resolution and 1.1 percent mass resolution when coupled to VAMOS++ for fission studies."},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2601.20907/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":39,"sample":[{"doi":"10.1088/1361-6633/aa82eb","year":2017,"title":"A. N. Andreyev, K. Nishio, K.-H. Schmidt, Nuclear fission: a review of experimental advances and phe- nomenology, Reports on Progress in Physics 81 (1) (2017) 016301.doi:10.1088/1361-6633/aa82eb. URLh","work_id":"62de3863-b55c-45f1-b569-07ef59feafd6","ref_index":1,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"10.1103/physrevlett.125.122502","year":2020,"title":"R. Pérez Sánchez, B. Jurado, V. Méot, O. Roig, M. Dupuis, O. Bouland, D. Denis-Petit, P. Marini, L. Mathieu, I. Tsekhanovich, M. Aïche, L. Audouin, C. Cannes, S. Czajkowski, S. Delpech, A. Gör- gen, M","work_id":"4913b534-a67d-4070-a534-4a5323d319f6","ref_index":2,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"10.1103/physrevc.100.014611","year":2019,"title":"K. R. Kean, K. Nishio, K. Hirose, M. J. Vermeulen, H. Makii, R. Orlandi, K. Tsukada, A. N. Andreyev, I. Tsekhanovich, S. Chiba, Validation of the mult- inucleon transfer method for the determination o","work_id":"ecf62d4d-becf-4cf8-a95c-cff0f70eeba2","ref_index":3,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"10.1103/physrevc.89.024614","year":2014,"title":"C. Rodríguez-Tajes, F. Farget, X. Derkx, M. Caa- maño, O. Delaune, K.-H. Schmidt, E. Clément, A. Dijon, A. Heinz, T. Roger, L. Audouin, J. Benlliure, E. Casarejos, D. Cortina, D. Doré, B. Fernández-Do","work_id":"bbcf6085-e1ab-4ddc-900e-10220d581772","ref_index":4,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"10.1103/physrevlett.119.222501","year":2017,"title":"K. Hirose, K. Nishio, S. Tanaka, R. Léguillon, H. Makii, I. Nishinaka, R. Orlandi, K. Tsukada, J. Smallcombe, M. J. Vermeulen, S. Chiba, Y. Aritomo, T. Ohtsuki, K. Nakano, S. Araki, Y. Watanabe, R. Ta","work_id":"538a6942-6d6a-4145-9a90-f90aaed6486e","ref_index":5,"cited_arxiv_id":"","is_internal_anchor":false}],"resolved_work":39,"snapshot_sha256":"f207edd814211f0b7c376f60e71c19d58b3d18a39540418f52c9874a407b67c9","internal_anchors":0},"formal_canon":{"evidence_count":2,"snapshot_sha256":"e05a4b4b59f89741bbf1cdd7b53d129d94d432fe5621f1d524291190ea7deee4"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}