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Energy spectrum of cosmic protons and helium nuclei by a hybrid measurement at 4300 m a.s.l.

Chinese Physics C 2014年第4期38卷 25-31页

作者： B.Bartoli P.Bernardini 毕效军 I.Bolognino P.Branchini A.Budano A.K.Calabrese Melcarne P.Camarri 曹臻 R.Cardarelli S.Catalanotti 陈松战陈天禄 P.Creti 崔树旺戴木忠 A.D'Amone 单增罗布 I.De Mitri B.D'Ettorre Piazzoli T.Di Girolamo G.Di Sciascio 冯存峰冯朝阳冯振勇苟全补郭义庆何会海胡海兵胡红波 M.Iacovacci R.Iuppa 贾焕玉拉巴次仁厉海金 G.Liguori 刘成刘俊刘茂元卢红马玲玲马欣华 G.Mancarella S.M.Mari G.Marsella D.Martello S.Mastroianni P.Montini C.C.Ning M.Panareo B.Panico L.Perrone P.Pistilli F.Ruggieri P.Salvini R.Santonico S.N.Sbano 沈培若盛向东石峰 a.surdo 谭有恒 P.Vallania S.Vernetto C.Vigorito 王辉吴超勇吴含荣薛良杨群羽杨先楚姚志国袁爱芳查敏张慧敏张力张学尧张勇赵静扎西次仁扎西桑珠周勋秀祝凤荣朱清棋 G.Zizzi 白云翔陈明君陈垚冯少辉高博顾旻皓侯超李晓晓刘佳刘加丽王旭肖刚张丙开张寿山周斌左雄 Dipartimento di Fisica dell’Università di Napoli "Federico II" Complesso Universitario di Monte Sant’Angelovia Cinthia Istituto Nazionale di Fisica Nucleare Sezione di Napoli Complesso Universitario di Monte Sant’Angelovia Cinthia Dipartimento di Matematica e Fisica "Ennio De Giorgi" Università del Salento via per Arnesano Istituto Nazionale di Fisica Nucleare Sezione di Lecce via per Arnesano Key Laboratory of Particle Astrophysics Institute of High Energy Physics Chinese Academy of Sciences Dipartimento di Fisica dell’Università di Pavia via Bassi 627100 Pavia Italy Istituto Nazionale di Fisica Nucleare Sezione di Pavia via Bassi 627100 Pavia Italy Istituto Nazionale di Fisica Nucleare Sezione di Roma Tre via della Vasca Navale 8400146 Roma Italy Istituto Nazionale di Fisica Nucleare-CNAF Viale Berti-Pichat 6/240127 Bologna Italy Dipartimento di Fisica dell’Università di Roma "Tor Vergata" via della Ricerca Scientifica Istituto Nazionale di Fisica Nucleare Sezione di Roma Tor Vergata via della Ricerca Scientifica Tibet University Hebei Normal University Yunnan University Shandong University Southwest Jiaotong University Dipartimento di Fisica dell’Università "Roma Tre" via della Vasca Navale 8400146 Roma Italy Osservatorio Astrofisico di Torino dell’Istituto Nazionale di Astrofisica via P.Giuria 110125 Torino Italy Istituto Nazionale di Fisica Nucleare Sezione di Torino via P.Giuria 110125 Torino Italy Dipartimento di Fisica dell’Università di Torino via P.Giuria 110125 Torino Italy Physics Department Kunming University Normal College of Fuyang

The energy spectrum of cosmic Hydrogen and Helium nuclei has been measured below the so-called ＂knee＂ by using a hybrid experiment with a wide field-of-view Cherenkov telescope and the Resistive Plate Chamber （RPC） array of the ARGO-YBJ experiment at 4300 m above sea level. The Hydrogen and Helium nuclei have been well separated from other cosmic ray components by using a multi-parameter technique. A highly uniform energy resolution of about 25% is achieved throughout the whole energy range （100-700 TeV）. The observed energy spectrum is compatible with a single power law with index γ=-2.63±0.06.

关键词： Cherenkov telescope ARGO-YBJ energy spectrum hybrid measurement composition

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ARGO-YBJ detector simulation using GEANT4

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Chinese Physics C 2010年第5期34卷 555-559页

作者：郭义庆张学尧张建立胡红波查敏何会海冯朝阳吴超勇王博张毅 A. surdo 卢红 Key Laboratory of Particle Astrophysics Institute of High Energy PhysicsCAS Department of Physics Shandong University Istituto Nazionale di Fisica Nucleare Sezione di Leccevia per Arnesano73100 LecceItaly

‘G4argo＇, a GEANT4-based simulation package for the ARGO-YBJ detector, is described in this paper. C4argo incorporates in the simulation the true RPC time resolution and another 0.5 ns time uncertainty which is introduced from the offline calibration of TDC. In addition, the correct RPC geometry and the true materials for the ARGO-YBJ experimental hall are implemented. As a result, G4argo simulation shows a very good agreement with real data.

关键词： GEANT4 ARGO experiment Resistive Plate Chambers

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Comparison of Proton Shower Developments in the BGO Calorimeter of the Dark Matter Particle Explorer between GEANT4 and FLUKA Simulations

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Chinese Physics Letters 2020年第11期37卷 114-120页

作者：蒋维岳川崔明阳李翔袁强 Francesca Alemanno Paolo Bernardini Giovanni Catanzani 陈占方 Ivan De Mitri 董铁矿 Giacinto Donvito David Francois Droz Piergiorgio Fusco Fabio Gargano 郭东亚 Dimitrios Kyratzis 雷仕俊刘杨 Francesco Loparco 马鹏雄 Giovanni Marsella Mario Nicola Mazziotta 潘旭彭文溪 Antonio surdo Andrii Tykhonov 魏逸丰余玉洪藏京京张亚鹏张永杰张云龙 Key Laboratory of Dark Matter and Space Astronomy Purple Mountain ObservatoryChinese Academy of SciencesNanjing 210023China School of Astronomy and Space Science University of Science and Technology of ChinaHefei 230026China Gran Sasso Science Institute(GSSI) Viale F.Crispi 7I-67100L'AquilaItaly Istituto Nazionale di Fisica Nucleare Laboratori Nazionali del Gran SassoVia G.Acitelli 22I-67100AssergiL'AquilaItaly Dipartimento di Matematica e Fisica E.De Giorgi Universitàdel SalentoI-73100 LecceItaly Istituto Nazionale di Fisica Nucleare(INFN)-Sezione di Lecce I-73100 LecceItaly INFN Section of Perugia I-06100 PerugiaItaly University of Perugia I-06100 PerugiaItaly Istituto Nazionale di Fisica Nucleare(INFN)-Sezione di Bari I-70125BariItaly Department of Nuclear and Particle Physics University of GenevaCH-1211Switzerland Dipartimento Interateneo“M.Merlin”dell'Universitàdegli Studi di Bari e del Politecnico di Bari I-70125BariItaly Dipartimento di Fisica e Chimica“E.Segrè” via delle Scienze Edificio 17UniversitàDegli Studi di PalermoI-90128PalermoItaly Institute of High Energy Physics Chinese Academy of SciencesBeijing 100049China State Key Laboratory of Particle Detection and Electronics University of Science and Technology of ChinaHefei 230026China Institute of Modern Physics Chinese Academy of SciencesLanzhou 730000China

The DArk Matter Particle Explorer(DAMPE)is a satellite-borne detector for high-energy cosmic rays and y-rays.To fully understand the detector performance and obtain reliable physical results,extensive simulations of the detector are necessary.The simulations are particularly important for the data analysis of cosmic ray nuclei,which relies closely on the hadronic and nuclear interactions of particles in the detector material.Widely adopted simulation softwares include the GEANT4 and FLUKA,both of which have been implemented for the DAMPE simulation tool.Here we describe the simulation tool of DAMPE and compare the results of proton shower properties in the calorimeter from the two simulation softwares.Such a comparison gives an estimate of the most significant uncertainties of our proton spectral analysis.

关键词： material. GEANT4 calorimeter

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