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Observation of e+e-→■-+c.c.

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chinese Physics c 2023年第4期 22-31页

作者：麦迪娜 M.N.Achasov P.Adlarson M.Albrecht R.Aliberti A.Amoroso 安美儒安琪白旭红白羽 O.Bakina R.Baldini Ferroli I.Balossino 班勇 V.Batozskaya D.Becker K.Begzsuren N.Berger M.Bertani D.Bettoni F.Bianchi J.Bloms A.Bortone I.Boyko R.A.Briere A.Brueggemann 蔡浩蔡啸 A.calcaterra 曹国富曹宁 S.A.cetin 常劲帆常万玲 G.chelkov 陈琛陈超陈刚陈和生陈玛丽陈申见陈少敏 T.chen 陈旭荣 X.T.chen 陈元柏陈卓俊成伟帅初晓 G.cibinetto F.cossio 崔佳佳代洪亮代建平 A.Dbeyssi R.E.de Boer D.Dedovich 邓子艳 A.Denig I.Denysenko M.Destefanis F.De Mori 丁勇董静董燎原董明义董翔杜书先 P.Egorov 范玉兰方建房双世方文兴方易 R.Farinelli L.Fava F.Feldbauer G.Felici 封常青冯俊华 K Fischer M.Fritsch c.Fritzsch 傅成栋高涵高原宁高扬 S.Garbolino I.Garzia 葛潘婷葛振武耿聪 E.M.Gersabeck A Gilman K.Goetzen 龚丽龚文煊 W.Gradl M.Greco 谷立民顾旻皓顾运厅关春懿郭爱强郭立波郭如盼郭玉萍 A.Guskov 韩婷婷韩文颖郝喜庆 F.A.Harris 何凯凯何康林 F.H.Heinsius c.H.Heinz 衡月昆 c.Herold M.Himmelreich 侯国一侯颖锐侯治龙胡海明 J.F.Hu 胡涛胡誉黄光顺黄凯旋黄麟钦黄麟钦黄性涛黄燕萍黄震 T.Hussain N Hüsken W.Imoehl M.Irshad J.Jackson S.Jaeger S.Janchiv 纪全姬清平季晓斌季筱璐吉钰瑶贾泽坤姜侯兵姜赛赛江晓山 Y.Jiang 焦健斌焦铮金山金毅荆茂强 T.Johansson N.Kalantar-Nayestanaki 康晓珅 R.Kappert 柯百谦 I.K.Keshk A.Khoukaz P.Kiese R.Kiuchi R.Kliemt L.Koch O.B.Kolcu B.Kopf M.Kuemmel M.Kuessner A.Kupsc W.Kühn J.J.Lane J.S.Lange P.Larin A.Lavania L.Lavezzi 雷祚弘 H.Leithoff M.Lellmann T.Lenz 李翠李聪李春花李澄李德民李飞李刚李慧李贺李海波李惠静 H.N.Li J.Q.Li 李静舒李井文李科 L.J.Li 李龙科李蕾李明浩李培荣李素娴栗帅迎李腾李卫东李卫国李旭红李晓玲李晓宇梁昊梁浩梁浩梁勇飞梁羽铁廖广睿廖龙洲 J.Libby A.Limphirat 林创新林德旭 T.lin 刘北江刘春秀 D.Liu 刘福虎刘芳刘峰 G.M.Liu H.Liu 刘宏邦刘怀民刘欢欢刘汇慧刘建北刘佳俊刘晶译刘凯刘魁勇刘珂刘亮刘露刘美宏刘佩莲刘倩刘树彬刘桐刘维克刘卫民刘翔刘英刘玉斌刘振安刘智青娄辛丑卢飞翔吕海江吕军光陆小玲卢宇卢云鹏 Z.H.Lu 罗成林罗民兴罗涛罗小兰吕晓睿吕翌丰马凤才马海龙马连良马明明马秋梅马润秋马瑞廷马骁妍马尧 F.E.Maas M.Maggiora S.Maldaner S.Malde Q.A.Malik A.Mangoni 冒亚军毛泽普 S.Marcello 孟召霞 J.G.Messchendorp G.Mezzadri H.Miao 闵天觉 R.E.Mitchell 莫晓虎 N.Yu.Muchnoi Y.Nefedov F.Nerling I.B.Nikolaev 宁哲 S.Nisar 牛艳 S.L.Olsen 欧阳群 S.Pacetti 潘祥潘越 A.Pathak M.Pelizaeus 彭海平 K.Peters 平加伦平荣刚 S.Plura S.Pogodin V.Prasad 齐法制齐航漆红荣祁鸣齐天钰钱森钱文斌钱圳乔从丰秦佳佳秦丽清覃潇平秦小帅秦中华邱进发屈三强 K.H.Rashid c.F.Redmer 任旷洁 A.Rivetti V.Rodin M.Rolo 荣刚 ch.Rosn Institute of High Energy Physics G.I. Budker Institute of Nuclear Physics SB RAS(BINP) Novosibirsk State University Uppsala University Bochum Ruhr-University Johannes Gutenberg University of Mainz University of Turin INFN Liaoning Normal University State Key Laboratory of Particle Detection and Electronics University of Science and Technology of china University of Jinan Southeast University Joint Institute for Nuclear Research INFN Laboratori Nazionali di Frascati INFN Sezione di Ferrara Peking University State Key Laboratory of Nuclear Physics and Technology Peking University National centre for Nuclear Research Institute of Physics and Technology University of Muenster carnegie Mellon University Wuhan University University of chinese Academy of Sciences Istinye University Moscow Institute of Physics and Technology Nankai University Soochow University Nanjing University Tsinghua University Institute of Modern Physics Hunan University School of Physics and Electronics Hunan University Shandong University Yunnan University Helmholtz Institute Mainz Liaoning University Zhengzhou University University of Eastern Piedmont Sun Yat-Sen University University of Oxford University of Ferrara University of Manchester GSI Helmholtzcentre for Heavy Ion Research GmbH Guangxi University Nanjing Normal University Shandong Normal University Fudan University Key Laboratory of Nuclear Physics and Ion-beam Application (MOE) and Institute of Modern Physics Fudan University Henan Normal University University of Hawaii Suranaree University of Technology Goethe University Frankfurt South china Normal University Guangdong Provincial Key Laboratory of Nuclear Science Institute of Quantum Matter South china Normal University University of South china University of the Punjab Indiana University Huangshan college University of Groningen Justus-Liebig-Universitaet Giessen Ⅱ. Physikalisches Institut Indian Institute of Technology Madras Qufu Normal University Shanxi Normal University Beijing Institute of Petrochemical Technology Lanzhou Univ

Using data taken at 29 center-of-mass energies between 4.16 and 4.70 GeV with the BESⅢ detector at the Beijing Electron Positron collider corresponding to a total integrated luminosity of approximately 18.8 fb-1, the process e+e-→■+ c.c. is observed for the first time with a statistical significance of 11.5σ. The average Born cross sections in the energy ranges of（4.160, 4.380） GeV,（4.400, 4.600） GeV and（4.610, 4.700） GeV are measured to be（21.5±5.7±1.2） fb,（46.3±10.6±2.5） fb and （59.0±9.4±3.2） fb, respectively, where the first uncertainties are statistical and the second are systematic. The line shapes of the ■ and ppπ-invariant mass spectra are consistent with phase space distributions, indicating that no hexaquark or di-baryon state is observed.

关键词：

Luminosities and energies of e+e- collision data taken between ■=4.61 GeV and 4.95 GeV at BESⅢ

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chinese Physics c 2022年第11期46卷 70-81页

作者：麦迪娜 M.N.Achasov P.Adlarson M.Albrecht R.Aliberti A.Amoroso 安美儒安琪白旭红白羽 O.Bakina Ferroli R.Baldini I.Balossino 班勇 V.Batozskaya D.Becker K.Begzsuren N.Berger M.Bertani D.Bettoni F.Bianchi J.Bloms A.Bortone I.Boyko R.A.Briere A.Brueggemann 蔡浩蔡啸 A.calcaterra 曹国富曹宁 S.A.cetin 常劲帆常万玲 G.chelkov 陈琛陈超陈刚陈和生陈玛丽陈申见陈少敏 T.chen 陈旭荣 X.T.chen 陈元柏陈卓俊成伟帅初晓 G.cibinetto F.cossio 崔佳佳代洪亮代建平 A.Dbeyssi Boer R.E.de D.Dedovich 邓子艳 A.Denig I.Denysenko M.Destefanis Mori F.De 丁勇董静董燎原董明义董翔杜书先 P.Egorov 范玉兰方建房双世方文兴方易 R.Farinelli L.Fava F.Feldbauer G.Felici 封常青冯俊华 K Fischer M.Fritsch c.Fritzsch 傅成栋高涵高原宁高扬 S.Garbolino I.Garzia 葛潘婷葛振武耿聪 E.M.Gersabeck A Gilman K.Goetzen 龚丽龚文煊 W.Gradl M.Greco 谷立民顾旻皓顾运厅关春懿郭爱强郭立波郭如盼郭玉萍 A.Guskov 韩婷婷韩文颖郝喜庆 F.A.Harris 何凯凯何康林 F.H.Heinsius c.H.Heinz 衡月昆 c.Herold M.Himmelreich 侯国一侯颖锐侯治龙胡海明 J.F.Hu 胡涛胡誉黄光顺黄凯旋黄麟钦黄麟钦黄性涛黄燕萍黄震 T.Hussain N Hüsken W.Imoehl M.Irshad J.Jackson S.Jaeger S.Janchiv 纪全姬清平季晓斌季筱璐吉钰瑶贾泽坤姜侯兵姜赛赛江晓山 Y.Jiang 焦健斌焦铮金山金毅荆茂强 T.Johansson N.Kalantar-Nayestanaki 康晓珅 R.Kappert 柯百谦 I.K.Keshk A.Khoukaz P.Kiese R.Kiuchi R.Kliemt L.Koch O.B.Kolcu B.Kopf M.Kuemmel M.Kuessner A.Kupsc W.Kühn J.J.Lane J.S.Lange P.Larin A.Lavania L.Lavezzi 雷祚弘 H.Leithoff M.Lellmann T.Lenz 李翠李聪李春花李澄李德民李飞李刚李慧李贺李海波李惠静 H.N.Li J.Q.Li 李静舒李井文李科李林健李龙科李蕾李明浩李培荣李素娴栗帅迎李腾李卫东李卫国李旭红李晓玲李晓宇梁昊梁浩梁浩梁勇飞梁羽铁廖广睿廖龙洲 J.Libby A.Limphirat 林创新林德旭 T.lin 刘北江刘春秀 D.Liu 刘福虎刘芳刘峰 G.M.Liu H.Liu 刘宏邦刘怀民刘欢欢刘汇慧刘建北刘佳俊刘晶译刘凯刘魁勇刘珂刘亮刘露刘美宏刘佩莲刘倩刘树彬刘桐刘维克刘卫民刘翔刘英刘玉斌刘振安刘智青娄辛丑卢飞翔吕海江吕军光陆小玲卢宇卢云鹏 Z.H.Lu 罗成林罗民兴罗涛罗小兰吕晓睿吕翌丰马凤才马海龙马连良马明明马秋梅马润秋马瑞廷马骁妍马尧 F.E.Maas M.Maggiora S.Maldaner S.Malde Q.A.Malik A.Mangoni 冒亚军毛泽普 S.Marcello 孟召霞 J.G.Messchendorp G.Mezzadri H.Miao 闵天觉 R.E.Mitchell 莫晓虎 N.Yu.Muchnoi Y.Nefedov F.Nerling I.B.Nikolaev 宁哲 S.Nisar 牛艳 S.L.Olsen 欧阳群 S.Pacetti 潘祥潘越 A.Pathak M.Pelizaeus 彭海平 K.Peters 平加伦平荣刚 S.Plura S.Pogodin V.Prasad 齐法制齐航漆红荣祁鸣齐天钰钱森钱文斌钱圳乔从丰秦佳佳秦丽清覃潇平秦小帅秦中华邱进发屈三强 K.H.Rashid c.F.Redmer 任旷洁 A.Rivetti V.Rodin M.Rolo 荣刚 ch.Rosner Institute of High Energy Physics G. I. Budker Institute of Nuclear Physics SB RAS (BINP) the Novosibirsk State University Uppsala University Bochum Ruhr-University Johannes Gutenberg University of Mainz University of Turin INFN Liaoning Normal University State Key Laboratory of Particle Detection and Electronics University of Science and Technology of china University of Jinan Southeast University Joint Institute for Nuclear Research INFN Laboratori Nazionali di Frascati INFN Sezione di Ferrara Peking University State Key Laboratory of Nuclear Physics and Technology Peking University National centre for Nuclear Research Institute of Physics and Technology University of Muenster carnegie Mellon University Wuhan University University of chinese Academy of Sciences Istinye University the Moscow Institute of Physics and Technology Nankai University Soochow University Nanjing University Tsinghua University Institute of Modern Physics Hunan University School of Physics and Electronics Hunan University Shandong University Yunnan University Helmholtz Institute Mainz Liaoning University Zhengzhou University University of Eastern Piedmont Sun Yat-Sen University University of Oxford University of Ferrara University of Manchester GSI Helmholtzcentre for Heavy Ion Research GmbH Guangxi University Nanjing Normal University Shandong Normal University Fudan University Key Laboratory of Nuclear Physics and Ion-beam Application (MOE) and Institute of Modern Physics Fudan University Henan Normal University University of Hawaii Suranaree University of Technology Goethe University Frankfurt South china Normal University Guangdong Provincial Key Laboratory of Nuclear Science Institute of Quantum Matter South china Normal University University of South china University of the Punjab Indiana University Huangshan college University of Groningen Justus-Liebig-Universitaet Giessen Ⅱ.Physikalisches Institut Indian Institute of Technology Madras Qufu Normal University Shanxi Normal University Beijing Institute of Petrochemical Technology Lan

From December 2019 to June 2021,the BESⅢ experiment collected approximately 5.85 fb-1of data at center-of-mass energies between 4.61 and 4.95 *** is the highest collision energy BEPcⅡ has reached to *** accumulated e+e-annihilation data samples are useful for studying charmonium（-like） states and charmed-hadron *** adopting a novel method of analyzing the production of ■ pairs in e+e-annihilation,the center-of-mass energies are measured with a precision of ～0.6 *** luminosities are measured with a precision of better than 1% by analyzing the events of large-angle Bhabha *** measurements provide important inputs to analyses based on these data samples.

关键词：

Observation of e^(+)e^(-)→pppñπ-+c.c.

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chinese Physics c 2023年第4期47卷 16-25页

作者：麦迪娜 M.N.Achasov P.Adlarson M.Albrecht R.Aliberti A.Amoroso 安美儒安琪白旭红白羽 O.Bakina R.Baldini Ferroli I.Balossino 班勇 V.Batozskaya D.Becker K.Begzsuren N.Berger M.Bertani D.Bettoni F.Bianchi J.Bloms A.Bortone I.Boyko R.A.Briere A.Brueggemann 蔡浩蔡啸 A.calcaterra 曹国富曹宁 S.A.cetin 常劲帆常万玲 G.chelkov 陈琛陈超陈刚陈和生陈玛丽陈申见陈少敏 T.chen 陈旭荣 X.T.chen 陈元柏陈卓俊成伟帅初晓 G.cibinetto F.cossio 崔佳佳代洪亮代建平 A.Dbeyssi R.E.de Boer D.Dedovich 邓子艳 A.Denig I.Denysenko M.Destefanis F.De Mori 丁勇董静董燎原董明义董翔杜书先 P.Egorov 范玉兰方建房双世方文兴方易 R.Farinelli L.Fava F.Feldbauer G.Felici 封常青冯俊华 K Fischer M.Fritsch c.Fritzsch 傅成栋高涵高原宁高扬 S.Garbolino I.Garzia 葛潘婷葛振武耿聪 E.M.Gersabeck A Gilman K.Goetzen 龚丽龚文煊 W.Gradl M.Greco 谷立民顾旻皓顾运厅关春懿郭爱强郭立波郭如盼郭玉萍 A.Guskov 韩婷婷韩文颖郝喜庆 F.A.Harris 何凯凯何康林 F.H.Heinsius c.H.Heinz 衡月昆 c.Herold M.Himmelreich 侯国一侯颖锐侯治龙胡海明 J.F.Hu 胡涛胡誉黄光顺黄凯旋黄麟钦黄麟钦黄性涛黄燕萍黄震 T.Hussain N Hüsken W.Imoehl M.Irshad J.Jackson S.Jaeger S.Janchiv 纪全姬清平季晓斌季筱璐吉钰瑶贾泽坤姜侯兵姜赛赛江晓山 Y.Jiang 焦健斌焦铮金山金毅荆茂强 T.Johansson N.Kalantar-Nayestanaki 康晓珅 R.Kappert 柯百谦 I.K.Keshk A.Khoukaz P.Kiese R.Kiuchi R.Kliemt L.Koch O.B.Kolcu B.Kopf M.Kuemmel M.Kuessner A.Kupsc W.Kühn J.J.Lane J.S.Lange P.Larin A.Lavania L.Lavezzi 雷祚弘 H.Leithoff M.Lellmann T.Lenz 李翠李聪李春花李澄李德民李飞李刚李慧李贺李海波李惠静 H.N.Li J.Q.Li 李静舒李井文李科 L.J.Li 李龙科李蕾李明浩李培荣李素娴栗帅迎李腾李卫东李卫国李旭红李晓玲李晓宇梁昊梁浩梁浩梁勇飞梁羽铁廖广睿廖龙洲 J.Libby A.Limphirat 林创新林德旭 T.lin 刘北江刘春秀 D.Liu 刘福虎刘芳刘峰 G.M.Liu H.Liu, 刘宏邦刘怀民刘欢欢刘汇慧刘建北刘佳俊刘晶译刘凯刘魁勇刘珂刘亮刘露刘美宏刘佩莲刘倩刘树彬刘桐刘维克刘卫民刘翔刘英刘玉斌刘振安刘智青娄辛丑卢飞翔吕海江吕军光陆小玲卢宇卢云鹏 Z.H.Lu 罗成林罗民兴罗涛罗小兰吕晓睿吕翌丰马凤才马海龙马连良马明明马秋梅马润秋马瑞廷马骁妍马尧 F.E.Maas M.Maggiora S.Maldaner S.Malde Q.A.Malik A.Mangoni 冒亚军毛泽普 S.Marcello 孟召霞 J.G.Messchendorp G.Mezzadri H.Miao 闵天觉 R.E.Mitchell 莫晓虎 N.Yu.Muchnoi Y.Nefedov F.Nerling I.B.Nikolaev 宁哲 S.Nisar 牛艳 S.L.Olsen 欧阳群 S.Pacetti 潘祥潘越 A.Pathak M.Pelizaeus 彭海平 K.Peters 平加伦平荣刚 S.Plura S.Pogodin V.Prasad 齐法制齐航漆红荣祁鸣齐天钰钱森钱文斌钱圳乔从丰秦佳佳秦丽清覃潇平秦小帅秦中华邱进发屈三强 K.H.Rashid c.F.Redmer 任旷洁 A.Rivetti V.Rodin M.Rolo 荣刚 ch.Ros Institute of High Energy Physics Beijing 100049China Beihang University Beijing 100191China Beijing Institute of Petrochemical Technology Beijing 102617China Bochum Ruhr-University D-44780 BochumGermany carnegie Mellon University PittsburghPennsylvania 15213USA central china Normal University Wuhan 430079China central South University Changsha 410083China china center of Advanced Science and Technology Beijing 100190China cOMSATS University Islamabad Lahore CampusDefence RoadOff Raiwind Road54000 LahorePakistan Fudan University Shanghai 200433China G.I.Budker Institute of Nuclear Physics SB RAS(BINP) Novosibirsk 630090Russia GSI Helmholtzcentre for Heavy Ion Research GmbH D-64291 DarmstadtGermany Guangxi Normal University Guilin 541004China Guangxi University Nanning 530004China Hangzhou Normal University Hangzhou 310036China Hebei University Baoding 071002China Helmholtz Institute Mainz Staudinger Weg 18D-55099 MainzGermany Henan Normal University Xinxiang 453007China Henan University of Science and Technology Luoyang 471003China Henan University of Technology Zhengzhou 450001China Huangshan college Huangshan 245000China Hunan Normal University Changsha 410081China Hunan University Changsha 410082China Indian Institute of Technology Madras Chennai 600036India Indiana University BloomingtonIndiana 47405USA INFN Laboratori Nazionali di Frascati I-00044FrascatiItaly INFN Sezione di Perugia I-06100PerugiaItaly University of Perugia I-06100PerugiaItaly INFN Sezione di Ferrara I-44122FerraraItaly University of Ferrara I-44122FerraraItaly Institute of Modern Physics Lanzhou 730000China B Ulaanbaatar 13330Mongolia Jilin University Changchun 130012China Johannes Gutenberg University of Mainz Johann-Joachim-Becher-Weg 45D-55099 MainzGermany Joint Institute for Nuclear Research 141980 DubnaMoscow regionRussia Justus-Liebig-Universitaet Giessen II.Physikalisches InstitutHeinrich-Buff-Ring 16D-35392 GiessenGermany Lanzhou University Lanzhou 730000China Liaoning Normal Unive

Using data taken at 29 center-of-mass energies between 4.16 and 4.70 GeV with the BESⅢdetector at the Beijing Electron Positron collider corresponding to a total integrated luminosity of approximately 18.8 fb^(-1),the process e^(+)e^(-)→pppñπ+*** observed for the first time with a statistical significance of 11.5σ.The average Born cross sections in the energy ranges of(4.160,4.380)GeV,(4.400,4.600)GeV and(4.610,4.700)GeV are measured to be(21.5±5.7±1.2)fb,(46.3±10.6±2.5)fb and(59.0±9.4±3.2)fb,respectively,where the first uncertainties are statistical and the second are *** line shapes of the pñ and ppπ^(-)invariant mass spectra are consistent with phase space distributions,indicating that no hexaquark or di-baryon state is observed.

关键词： Multi-baryon channel hexaquark di-baryon states cross section measurement

Accretion in strong field gravity with eXTP

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Science china(Physics,Mechanics & Astronomy) 2019年第2期62卷 45-73页

作者： Alessandra De Rosa Phil Uttley LiJun Gou Yuan Liu cosimo Bambi Didier Barret Tomaso Belloni Emanuele Berti Stefano Bianchi Ilaria caiazzo Piergiorgio casella Marco Feroci Valeria Ferrari Leonardo Gualtieri Jeremy Heyl Adam Ingram Vladimir Karas FangJun Lu Bin Luo Giorgio Matt Sara Motta Joseph Neilsen Paolo Pani Andrea Santangelo XinWen Shu JunFeng Wang Jian-Min Wang YongQuan Xue YuPeng Xu WeiMin Yuan YeFei Yuan Shuang-Nan Zhang Shu Zhang Ivan Agudo Lorenzo Amati Nils Andersson cristina Baglio Pavel Bakala Altan Baykal Sudip Bhattacharyya Ignazio Bombaci NiccolóBucciantini Fiamma capitanio Riccardo ciolfi Wei K.cui Filippo D'Ammando Thomas Dauser Melania Del Santo Barbara De Marco Tiziana Di Salvo chris Done Michal Dovciak Andrew c.Fabian Maurizio Falanga Angelo Francesco Gambino Bruce Gendre Victoria Grinberg Alexander Heger Jeroen Homan Rosario Iaria Jiachen Jiang chichuan Jin Elmar Koerding Manu linares Zhu Liu Thomas J.Maccarone Julien Malzac Antonios Manousakis Frédéric Marin Andea Marinucci Missagh Mehdipour Mariano Méndez Simone Migliari cole Miller Giovanni Miniutti Emanuele Nardini Paul T.O'Brien Julian P.Osborne Pierre Olivier Petrucci Andrea Possenti Alessandro Riggio Jerome Rodriguez Andrea Sanna LiJing Shao Malgosia Sobolewska Eva Sramkova Abigail L.Stevens Holger Stiele Giulia Stratta Zdenek Stuchlik Jiri Svoboda Fabrizio Tamburini Thomas M.Tauris Francesco Tombesi Gabriel Torok Martin Urbanec Frederic Vincent QingWen Wu Feng Yuan Jean J.M.in't Zand Andrzej A.Zdziarski Xinlin Zhou INAF-Istituto di Astrofisica e Planetologie Spaziali Via Fosso del Cavaliere Anton Pannekoek Institute for Astronomy University of Amsterdam National Astronomical Observatories Chinese Academy of Science Institute of High Energy Physics Chinese Academy of Science center for Field Theory and Particle Physics and Department of Physics Fudan University IRAP Universitéde ToulouseCNRSUPSCNES INAF-Osservatorio Astronomico di Brera Department of Physics and Astronomy The University of MississippiUniversity Dipartimento di Matematica e Fisica Universitàdegli studi Roma Tre University of British columbia INAF-Osservatorio Astronomico di Roma INFN-Roma 2 c/o Dipartimento di Fisica II Universit?di Roma"Tor Vergata" Dipartimento di Fisica Universitàdegli Studi di Roma"La Sapienza"&Sezione INFN Roma1 Department of Physics University of OxfordClarendon Laboratory Astronomical Institute Academy of Sciences School of Astronomy and Space Science Nanjing University MIT Kavli Institute for Astrophysics and Space Research Institut für Astronomie und Astrophysik Eberhard Karls Universität Department of Physics Anhui Normal University Department of Astronomy and Institute of Theoretical Physics and Astrophysics Xiamen University cAS Key Laboratory for Research in Galaxies and cosmology Department of AstronomyUniversity of Science and Technology of China Instituto de Astrofísica de Andalucia(cSIc) Glorieta de la Astronomía s/n INAF-Istituto di Astrofisica Spaziale e Fisica cosmica di Bologna Mathematical Sciences and STAG Research centre University of Southampton New York University Abu Dhabi Institute of Physics and Research centre for computational Physics and Data Processing Faculty of Philosophy&ScienceSilesian University in OpavaíBezru?ovo nám. Department of Physics Middle East Technical University Department of Astronomy and Astrophysics Tata Institute of Fundamental Research Dipartimento di Fisica Universit?di Pisa&INFN INAF-Osservatorio Astrofisico di Arcetri INAF-Osservatorio Astronomico di Padova INFN-TIFPA Trento Ins

In this paper we describe the potential of the enhanced X-ray Timing and Polarimetry(eXTP) mission for studies related to accretion flows in the strong field gravity regime around both stellar-mass and supermassive black-holes. eXTP has the unique capability of using advanced "spectral-timing-polarimetry" techniques to analyze the rapid variations with three orthogonal diagnostics of the flow and its geometry, yielding unprecedented insight into the inner accreting regions, the effects of strong field gravity on the material within them and the powerful outflows which are driven by the accretion process.

关键词： X-ray black holes physics accretion

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开放教育:一个有待进一步研究的领域

中国远程教育 2021年第2期 46-58,77页

作者： [德]奥拉夫·扎瓦克奇-里克特 [加]黛安·康拉德阿拉斯·博兹库尔特坚吉兹·哈坎·艾登斯韦尼亚·贝登利耶郑仁星约阿希姆·斯图特乔治·韦利特西亚诺斯丽莎·玛丽·布拉斯科梅丽莎·邦德安德里亚·布朗斯艾丽莎·布鲁恩卡莱娜·多尔西马可·卡尔兹迈克尔·克雷斯亚萨尔·孔达奇维多利亚·马林克斯汀·梅伯格沃尔夫冈·穆斯肯斯索姆·奈杜阿德南·卡尤姆詹妮弗·罗伯茨艾伯特·桑格拉弗兰克·森约·洛各洛帕特丽夏·J.斯莱格·范·特伦肖俊洪(译) 德国奥尔登堡大学开放教育研究中心cOER团队德国奥尔登堡卡尔·冯·奥西茨基大学土耳其阿纳多卢大学德国埃尔朗根-纽伦堡弗里德里希·亚历山大大学日本国际基督教大学加拿大皇家大学欧洲远程E-Learning网络协会英国伦敦大学学院德国海德堡教育大学杜伊斯堡-埃森大学中东技术大学德国汉堡大学斐济南太平洋大学美国宾夕法尼亚州立大学南非大学西班牙加泰罗尼亚奥贝塔大学美国东卡罗来纳州立大学中国汕头开放大学不详

本文阐述高等教育背景下开放教育的内容。文章首先介绍开放教育的起源及其理论基础,随后根据远程开放学习研究的宏观、中观和微观层次框架讨论远程开放学习、开放教育实践、开放学术、开放教育资源、慕课、先前学习认定、学习者特征和... 详细信息

本文阐述高等教育背景下开放教育的内容。文章首先介绍开放教育的起源及其理论基础,随后根据远程开放学习研究的宏观、中观和微观层次框架讨论远程开放学习、开放教育实践、开放学术、开放教育资源、慕课、先前学习认定、学习者特征和开放教育国际化等主题的内容。最后从宏观、中观和微观层面提出今后的研究方向。

关键词：开放教育开放学习远程教育灵活学习在线学习开放教育资源国际化

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