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Study of the process e⁺e⁻ → π⁰π⁰J/ψ and neutral charmoniumlike state Zc(3900)⁰

Medina Ablikim, Mikhail N. Achasov, Patrik Adlarson, Samer Ahmed, Malte Albrecht, Antonio Amoroso, Qi An, Anita, Y. Bai, Olga Bakina, Rinaldo Baldini Ferroli, Ilaria Balossino, Yong Ban, Khurelbaatar Begzsuren, Jake V. Bennett, Niklaus Berger, Monica Bertani, Diego Bettoni, Fabrizio Bianchi, Jacek Biernat, Johannes Bloms, Alberto Bortone, Igor R. Boyko, Roy A. Briere, H. Cai, Xiao Cai, Alessandro Calcaterra, G. F. Cao, N. Cao, Serkant Ali Çetin, Jinfan Chang, W. L. Chang, Gueorgui A. Chelkov, D. Y. Chen, G. Chen, Hesheng Chen, M. L. Chen, S. J. Chen, X. R. Chen, Yuanbo Chen, W. S. Cheng, Gianluigi Cibinetto, Fabio Cossio, X. F. Cui, Hongliang Dai, J. P. Dai, Xinchen Dai, Alaa Dbeyssi, Remco E. de Boer, Dmitri V. Dedovich, Ziyan Deng, Achim Denig, Igor Denysenko, Marco Giovanni Maria Destefanis, Francesca De Mori, Y. Ding, C. Dong, J. Dong, Liaoyuan Dong, Mingyi Dong, Shuxian Du, J. Fang, Shuangshi Fang, Y. Fang, Riccardo Farinelli, Luciano Fava, Florian Feldbauer, Giulietto Felici, C. Q. Feng, Miriam Fritsch, Chengdong Fu, Y. Fu, X. L. Gao, Y. Gao, Y. Gao, Y. G. Gao, I. Garzia, Evelina Gersabeck, A. Gilman, Klaus Goetzen, L. Gong, Wenxuan Gong, Wolfgang Gradl, M. Greco, L. M. Gu, Minhao Gu, S. Gu, Y. T. Gu, C. Y. Guan, Aiqiang Guo, L. B. Guo, R. P. Guo, Yuping Guo, Yuping Guo, Alexey Guskov, S. Han, T. T. Han, T. Z. Han, Xiqing Hao, F. A. Harris, K. L. He, Fritz-Herbert Heinsius, T. Held, Yuekun Heng, Mathilde Himmelreich, Tobias Holtmann, Y. R. Hou, Zhilong Hou, Haiming Hu, J. F. Hu, T. Hu, Y. Hu, G. S. Huang, L. Q. Huang, X. T. Huang, Z. Huang, Nils Huesken, Tahir Hussain, Walter Ikegami Andersson, William Imoehl, M. Irshad, S. Jaeger, S. Janchiv, Quan Ji, Qingping Ji, X. B. Ji, X. L. Ji, H. B. Jiang, Xiaoshan Jiang, X. Y. Jiang, J. B. Jiao, Z. Jiao, Shan Jin, Y. Jin, Tord Johansson, Nasser Kalantar-Nayestanaki, X. S. Kang, Rosa Kappert, Myroslav O. Kavatsyuk, Bai-Cian Ke, Iman Keshk, Alfons Khoukaz, P. Kiese, Ryuta Kiuchi, Ralf Kliemt, Leonard Koch, Onur Bugra Kolcu, Bertram Kopf, M. Kuemmel, Meike Küßner, Andrzej Kupsc, M. G. Kurth, Wolfgang Kühn, John Jake Lane, Jens Sören Lange, Paul Larin, Lia Lavezzi, H. Leithoff, Max Lellmann, Thomas Lenz, C. Li, C. H. Li, Cheng Li, D. M. Li, F. Li, G. Li, Haibo Li, H. J. Li, J. L. Li, J. Q. Li, Ke Li, L. K. Li, Lei Li, P. L. Li, P. R. Li, S. Y. Li, Weidong Li, Weiguo Li, X. H. Li, X. L. Li, Z. B. Li, Z. Y. Li, H. Liang, H. Liang, Y. F. Liang, Y. T. Liang, L. Z. Liao, J. Libby, C. X. Lin, B. Liu, B. J. Liu, C. X. Liu, D. Liu, D. Y. Liu, Fu-Hu Liu, Fang Liu, Feng Liu, H. B. Liu, H. M. Liu, Huanhuan Liu, Huihui Liu, J. B. Liu, J. Y. Liu, K. Liu, K. Y. Liu, Ke Liu, L. Liu, Q. Liu, S. B. Liu, Shuai Liu, T. Liu, X. Liu, Y. B. Liu, Zhen-An Liu, Z. Q. Liu, Y. F. Long, Xinchou Lou, F. X. Lu, H. J. Lu, J. D. Lu, Junguang Lu, X. L. Lu, Y. Lu, Yunpeng Lu, Chenglin Luo, M. X. Luo, P. W. Luo, T. Luo, X. L. Luo, S. Lusso, Xiao-Rui Lyu, Fengcai Ma, H. L. Ma, Lianliang Ma, M. M. Ma, Qiumei Ma, R. Q. Ma, R. T. Ma, X. N. Ma, X. X. Ma, Xiaoyan Ma, Y. M. Ma, Frank E. Maas, Marco Maggiora, Stephan Maldaner, Sneha Malde, Qadeer Afzal Malik, Alessio Mangoni, Yajun Mao, Zepu Mao, Simonetta Marcello, Z. X. Meng, Johannes Gerhardus Messchendorp, Giulio Mezzadri, T. J. Min, Ryan Edward Mitchell, Xiaohu Mo, Y. J. Mo, Nikolai Yu. Muchnoi, H. Muramatsu, Simon Nakhoul, Yury Nefedov, Frank Nerling, Ivan Borisovich Nikolaev, Z. Ning, Shabana Nisar, Stephen L. Olsen, Qun Ouyang, Simone Pacetti, X. Pan, Y. Pan, A. Pathak, P. Patteri, Marc Pelizäus, H. P. Peng, Klaus Peters, J. Pettersson, J. L. Ping, R. G. Ping, A. Pitka, Ronald Poling, Vindhyawasini Prasad, H. Qi, H. R. Qi, Ming Qi, T. Y. Qi, S. Qian, W.-B. Qian, Z. Qian, Congfeng Qiao, L. Q. Qin, X. P. Qin, X. S. Qin, Zhonghua Qin, Jinfa Qiu, S. Q. Qu, K. H. Rashid, Krishnakumar Ravindran, Christoph Florian Redmer, Angelo Rivetti, Viktor Rodin, Manuel Dionisio Da Rocha Rolo, Gang Rong, Christoph Rosner, Marcel Andre Rump, Andrei V. Sarantsev, Yasemin Schelhaas, Claudius Schnier, Karin Schönning, D. C. Shan, Wei Shan, Xinyu Shan, M. Shao, C. P. Shen, P. X. Shen, X. Y. Shen, H. C. Shi, R. S. Shi, X. Shi, X. D. Shi, J. J. Song, Q. Q. Song, W. M. Song, Y. X. Song, Stefano Sosio, Stefano Spataro, F. F. Sui, Gongxing Sun, J. F. Sun, L. Sun, S. S. Sun, T. Sun, W. Y. Sun, X. Sun, Y. J. Sun, Y. K. Sun, Y. Z. Sun, Z. T. Sun, Y. H. Tan, Y. X. Tan, C. J. Tang, G. Y. Tang, J. Tang, Viktor Thoren, B. Tsednee, Ismail Uman, B. Wang, B. L. Wang, C. W. Wang, D. Y. Wang, H. P. Wang, K. Wang, L. L. Wang, M. Wang, M. Z. Wang, Meng Wang, W. H. Wang, W. P. Wang, X. Wang, X. F. Wang, X. L. Wang, Y. Wang, Y. Wang, Y. D. Wang, Y. F. Wang, Y. Q. Wang, Z. Wang, Z. Y. Wang, Ziyi Wang, Zongyuan Wang, D. H. Wei, P. Weidenkaff, Frederik Weidner, Shuopin Wen, D. J. White, Ulrich Wiedner, G. Wilkinson, Magnus Wolke, Leonard Wollenberg, J. F. Wu, Linghui Wu, L. J. Wu, X. Wu, Z. Wu, L. Xia, H. Xiao, S. Y. Xiao, Y. J. Xiao, Zhenjun Xiao, X. H. Xie, Y. G. Xie, Y. H. Xie, T. Y. Xing, X. A. Xiong, Guofa Xu, J. J. Xu, Q. J. Xu, W. Xu, Xinping Xu, L. Yan, L. Yan, W. B. Yan, W. C. Yan, Xu Yan, H. J. Yang, Hongxun Yang, L. Yang, R. X. Yang, S. L. Yang, Y. H. Yang, Yongxu Yang, Yifan Yang, Zhi Yang, M. Ye, Minghan Ye, J. H. Yin, Z. Y. You, Boxiang Yu, C. X. Yu, G. Yu, J. S. Yu, T. Yu, Chang-Zheng Yuan, W. Yuan, X. Q. Yuan, Y. Yuan, Z. Y. Yuan, C. X. Yue, A. Yuncu, A. A. Zafar, Y. Zeng, B. X. Zhang, Guangyi Zhang, H. H. Zhang, Hongyu Zhang, J. L. Zhang, J. Q. Zhang, J. W. Zhang, Jianyong Zhang, J. Z. Zhang, Jianyu Zhang, Jiawei Zhang, L. Zhang, Lei Zhang, S. Zhang, S. F. Zhang, T. J. Zhang, X. Y. Zhang, Y. Zhang, Y. H. Zhang, Y. T. Zhang, Yan Zhang, Yao Zhang, Yi Zhang, Z. H. Zhang, Z. Y. Zhang, G. Zhao, J. Zhao, J. Y. Zhao, J. Z. Zhao, Lei Zhao, Ling Zhao, Ming-Gang Zhao, Q. Zhao, Shujun Zhao, Yubin Zhao, Y. X. Zhao Zhao, Zhengguo Zhao, Alexey Zhemchugov, B. Zheng, Jianping Zheng, Y. Zheng, Y. H. Zheng, B. Zhong, C. Zhong, L. P. Zhou, Q. Zhou, X. Zhou, X. K. Zhou, X. R. Zhou, A. N. Zhu, J. Zhu, K. Zhu, Kejun Zhu, S. H. Zhu, W. J. Zhu, X. L. Zhu, Y. C. Zhu, Zian Zhu, B. S. Zou, Jiaheng Zou

  • Cross sections of the process 𝑒+⁢𝑒−→𝜋0⁢𝜋0⁢𝐽/𝜓 at center-of-mass energies between 3.808 and 4.600 GeV are measured with high precision by using 12.4  fb−1 of data samples collected with the BESIII detector operating at the BEPCII collider facility. A fit to the measured energy-dependent cross sections confirms the existence of the charmoniumlike state 𝑌⁡(4220). The mass and width of the 𝑌⁡(4220) are determined to be (4220.4±2.4±2.3) MeV/𝑐2 and (46.2±4.7±2.1)  MeV, respectively, where the first uncertainties are statistical and the second systematic. The mass and width are consistent with those measured in the process 𝑒+⁢𝑒−→𝜋+⁢𝜋−⁢𝐽/𝜓. The neutral charmonium-like state 𝑍𝑐⁢(3900)0 is observed prominently in the 𝜋0⁢𝐽/𝜓 invariant-mass spectrum, and, for the first time, an amplitude analysis is performed to study its properties. The spin-parity of 𝑍𝑐⁢(3900)0 is determined to be 𝐽𝑃=1+, and the pole position is (3893.1±2.2±3.0)−𝑖⁢(22.2±2.6±7.0)  MeV/𝑐2, which is consistent with previous studies of electrically charged 𝑍𝑐⁢(3900)±. In addition, cross sections of 𝑒+⁢𝑒− → 𝜋0⁢𝑍𝑐⁢(3900)0 → 𝜋0⁢𝜋0⁢𝐽/𝜓 are extracted, and the corresponding line shape is found to agree with that of the 𝑌⁡(4220).

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Author:Medina AblikimORCiD, Mikhail N. AchasovORCiD, Patrik AdlarsonORCiD, Samer AhmedGND, Malte AlbrechtORCiDGND, Antonio AmorosoORCiD, Qi An, Anita, Y. Bai, Olga Bakina, Rinaldo Baldini Ferroli, Ilaria BalossinoORCiD, Yong BanORCiD, Khurelbaatar Begzsuren, Jake V. BennettORCiD, Niklaus BergerORCiDGND, Monica BertaniORCiD, Diego BettoniORCiD, Fabrizio BianchiORCiD, Jacek BiernatORCiD, Johannes BlomsGND, Alberto BortoneORCiD, Igor R. BoykoORCiD, Roy A. BriereORCiD, H. Cai, Xiao CaiORCiD, Alessandro CalcaterraORCiD, G. F. Cao, N. Cao, Serkant Ali ÇetinORCiD, Jinfan ChangORCiD, W. L. Chang, Gueorgui A. ChelkovORCiD, D. Y. Chen, G. Chen, Hesheng ChenORCiD, M. L. Chen, S. J. Chen, X. R. Chen, Yuanbo ChenORCiD, W. S. Cheng, Gianluigi CibinettoORCiD, Fabio CossioORCiD, X. F. Cui, Hongliang DaiORCiD, J. P. Dai, Xinchen DaiORCiD, Alaa DbeyssiORCiD, Remco E. de BoerORCiD, Dmitri V. Dedovich, Ziyan DengORCiD, Achim DenigORCiD, Igor Denysenko, Marco Giovanni Maria DestefanisORCiDGND, Francesca De MoriORCiD, Y. Ding, C. Dong, J. Dong, Liaoyuan DongORCiD, Mingyi DongORCiD, Shuxian Du, J. Fang, Shuangshi FangORCiD, Y. Fang, Riccardo FarinelliORCiD, Luciano FavaORCiD, Florian FeldbauerGND, Giulietto FeliciORCiD, C. Q. Feng, Miriam FritschORCiDGND, Chengdong FuORCiD, Y. Fu, X. L. Gao, Y. Gao, Y. Gao, Y. G. Gao, I. Garzia, Evelina GersabeckORCiDGND, A. Gilman, Klaus GoetzenORCiDGND, L. Gong, Wenxuan GongORCiD, Wolfgang GradlORCiDGND, M. Greco, L. M. Gu, Minhao GuORCiD, S. Gu, Y. T. Gu, C. Y. Guan, Aiqiang GuoORCiD, L. B. Guo, R. P. Guo, Yuping GuoORCiD, Yuping GuoORCiD, Alexey GuskovORCiD, S. Han, T. T. Han, T. Z. Han, Xiqing Hao, F. A. Harris, K. L. He, Fritz-Herbert HeinsiusORCiDGND, T. Held, Yuekun HengORCiD, Mathilde HimmelreichGND, Tobias HoltmannGND, Y. R. Hou, Zhilong HouORCiD, Haiming HuORCiD, J. F. Hu, T. Hu, Y. Hu, G. S. Huang, L. Q. Huang, X. T. Huang, Z. Huang, Nils HueskenORCiDGND, Tahir HussainORCiD, Walter Ikegami AnderssonORCiD, William ImoehlORCiD, M. Irshad, S. Jaeger, S. Janchiv, Quan JiORCiD, Qingping JiORCiD, X. B. Ji, X. L. Ji, H. B. Jiang, Xiaoshan JiangORCiD, X. Y. Jiang, J. B. Jiao, Z. Jiao, Shan JinORCiD, Y. Jin, Tord JohanssonORCiD, Nasser Kalantar-NayestanakiORCiD, X. S. Kang, Rosa KappertORCiD, Myroslav O. Kavatsyuk, Bai-Cian KeORCiD, Iman KeshkGND, Alfons KhoukazORCiDGND, P. Kiese, Ryuta Kiuchi, Ralf KliemtORCiD, Leonard KochGND, Onur Bugra KolcuORCiD, Bertram KopfGND, M. Kuemmel, Meike KüßnerORCiDGND, Andrzej KupscORCiD, M. G. Kurth, Wolfgang KühnORCiD, John Jake LaneORCiD, Jens Sören LangeORCiDGND, Paul LarinGND, Lia LavezziORCiD, H. Leithoff, Max LellmannORCiD, Thomas LenzORCiDGND, C. Li, C. H. Li, Cheng Li, D. M. Li, F. Li, G. Li, Haibo LiORCiD, H. J. Li, J. L. Li, J. Q. Li, Ke Li, L. K. Li, Lei Li, P. L. Li, P. R. Li, S. Y. Li, Weidong LiORCiD, Weiguo LiORCiD, X. H. Li, X. L. Li, Z. B. Li, Z. Y. Li, H. Liang, H. Liang, Y. F. Liang, Y. T. Liang, L. Z. Liao, J. Libby, C. X. Lin, B. Liu, B. J. Liu, C. X. Liu, D. Liu, D. Y. Liu, Fu-Hu LiuORCiD, Fang Liu, Feng Liu, H. B. Liu, H. M. Liu, Huanhuan LiuORCiD, Huihui Liu, J. B. Liu, J. Y. Liu, K. Liu, K. Y. Liu, Ke Liu, L. Liu, Q. Liu, S. B. Liu, Shuai Liu, T. Liu, X. Liu, Y. B. Liu, Zhen-An LiuORCiDGND, Z. Q. Liu, Y. F. Long, Xinchou LouORCiD, F. X. Lu, H. J. Lu, J. D. Lu, Junguang LuORCiD, X. L. Lu, Y. Lu, Yunpeng LuORCiD, Chenglin LuoORCiD, M. X. Luo, P. W. Luo, T. Luo, X. L. Luo, S. Lusso, Xiao-Rui LyuORCiD, Fengcai Ma, H. L. Ma, Lianliang MaORCiD, M. M. Ma, Qiumei MaORCiD, R. Q. Ma, R. T. Ma, X. N. Ma, X. X. Ma, Xiaoyan MaORCiD, Y. M. Ma, Frank E. MaasORCiDGND, Marco MaggioraORCiD, Stephan MaldanerGND, Sneha MaldeORCiD, Qadeer Afzal Malik, Alessio MangoniORCiD, Yajun Mao, Zepu Mao, Simonetta MarcelloORCiD, Z. X. Meng, Johannes Gerhardus MesschendorpORCiDGND, Giulio MezzadriORCiD, T. J. Min, Ryan Edward Mitchell, Xiaohu MoORCiD, Y. J. Mo, Nikolai Yu. MuchnoiORCiDGND, H. Muramatsu, Simon NakhoulGND, Yury NefedovORCiD, Frank NerlingORCiD, Ivan Borisovich NikolaevORCiD, Z. Ning, Shabana Nisar, Stephen L. OlsenORCiD, Qun OuyangORCiD, Simone PacettiORCiD, X. Pan, Y. Pan, A. Pathak, P. Patteri, Marc PelizäusGND, H. P. Peng, Klaus PetersORCiDGND, J. Pettersson, J. L. Ping, R. G. Ping, A. Pitka, Ronald PolingORCiD, Vindhyawasini PrasadORCiD, H. Qi, H. R. Qi, Ming QiORCiD, T. Y. Qi, S. Qian, W.-B. Qian, Z. Qian, Congfeng Qiao, L. Q. Qin, X. P. Qin, X. S. Qin, Zhonghua QinORCiD, Jinfa QiuORCiD, S. Q. Qu, K. H. Rashid, Krishnakumar RavindranORCiD, Christoph Florian RedmerORCiDGND, Angelo RivettiORCiD, Viktor Rodin, Manuel Dionisio Da Rocha RoloORCiD, Gang RongORCiD, Christoph RosnerORCiDGND, Marcel Andre RumpGND, Andrei V. SarantsevGND, Yasemin Schelhaas, Claudius SchnierGND, Karin SchönningORCiD, D. C. Shan, Wei ShanORCiD, Xinyu ShanORCiD, M. Shao, C. P. Shen, P. X. Shen, X. Y. Shen, H. C. Shi, R. S. Shi, X. Shi, X. D. Shi, J. J. Song, Q. Q. Song, W. M. Song, Y. X. Song, Stefano SosioORCiD, Stefano SpataroORCiD, F. F. Sui, Gongxing SunORCiD, J. F. Sun, L. Sun, S. S. Sun, T. Sun, W. Y. Sun, X. Sun, Y. J. Sun, Y. K. Sun, Y. Z. Sun, Z. T. Sun, Y. H. Tan, Y. X. Tan, C. J. Tang, G. Y. Tang, J. Tang, Viktor ThorenORCiD, B. Tsednee, Ismail UmanORCiDGND, B. Wang, B. L. Wang, C. W. Wang, D. Y. Wang, H. P. Wang, K. Wang, L. L. Wang, M. Wang, M. Z. Wang, Meng WangORCiD, W. H. Wang, W. P. Wang, X. Wang, X. F. Wang, X. L. Wang, Y. Wang, Y. Wang, Y. D. Wang, Y. F. Wang, Y. Q. Wang, Z. Wang, Z. Y. Wang, Ziyi WangORCiD, Zongyuan WangORCiD, D. H. Wei, P. Weidenkaff, Frederik Weidner, Shuopin WenORCiD, D. J. White, Ulrich WiednerORCiDGND, G. Wilkinson, Magnus WolkeGND, Leonard Wollenberg, J. F. Wu, Linghui WuORCiD, L. J. Wu, X. Wu, Z. Wu, L. Xia, H. Xiao, S. Y. Xiao, Y. J. Xiao, Zhenjun XiaoORCiD, X. H. Xie, Y. G. Xie, Y. H. Xie, T. Y. Xing, X. A. Xiong, Guofa XuORCiD, J. J. Xu, Q. J. Xu, W. Xu, Xinping XuORCiD, L. Yan, L. Yan, W. B. Yan, W. C. Yan, Xu Yan, H. J. Yang, Hongxun YangORCiD, L. Yang, R. X. Yang, S. L. Yang, Y. H. Yang, Yongxu Yang, Yifan YangORCiD, Zhi Yang, M. Ye, Minghan Ye, J. H. Yin, Z. Y. You, Boxiang YuORCiD, C. X. Yu, G. Yu, J. S. Yu, T. Yu, Chang-Zheng YuanORCiD, W. Yuan, X. Q. Yuan, Y. Yuan, Z. Y. Yuan, C. X. Yue, A. Yuncu, A. A. Zafar, Y. Zeng, B. X. Zhang, Guangyi ZhangORCiD, H. H. Zhang, Hongyu ZhangORCiD, J. L. Zhang, J. Q. Zhang, J. W. Zhang, Jianyong ZhangORCiD, J. Z. Zhang, Jianyu Zhang, Jiawei Zhang, L. Zhang, Lei Zhang, S. Zhang, S. F. Zhang, T. J. Zhang, X. Y. Zhang, Y. Zhang, Y. H. Zhang, Y. T. Zhang, Yan ZhangORCiD, Yao Zhang, Yi Zhang, Z. H. Zhang, Z. Y. Zhang, G. Zhao, J. Zhao, J. Y. Zhao, J. Z. Zhao, Lei ZhaoORCiD, Ling Zhao, Ming-Gang ZhaoORCiD, Q. Zhao, Shujun Zhao, Yubin ZhaoORCiD, Y. X. Zhao Zhao, Zhengguo ZhaoORCiD, Alexey ZhemchugovORCiD, B. Zheng, Jianping ZhengORCiD, Y. Zheng, Y. H. Zheng, B. Zhong, C. Zhong, L. P. Zhou, Q. Zhou, X. Zhou, X. K. Zhou, X. R. Zhou, A. N. Zhu, J. Zhu, K. Zhu, Kejun ZhuORCiD, S. H. Zhu, W. J. Zhu, X. L. Zhu, Y. C. Zhu, Zian ZhuORCiD, B. S. Zou, Jiaheng ZouORCiD
URN:urn:nbn:de:hebis:30:3-848125
DOI:https://doi.org/10.1103/PhysRevD.102.012009
ISSN:2470-0029
ISSN:2470-0010
ArXiv Id:http://arxiv.org/abs/2004.13788
Parent Title (English):Physical review. D : covering particles, fields, gravitation, and cosmology
Publisher:American Physical Society
Place of publication:Ridge, NY
Document Type:Article
Language:English
Date of Publication (online):2020/12/16
Year of first Publication:2020
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Creating Corporation:BESIII Collaboration
Release Date:2024/07/02
Volume:102.2020
Issue:1, 012009
Article Number:012009
Page Number:13
Note:
Korrigierte Version vom 16.12.2020. Erste Fassung 23.7.2020
Institutes:Physik / Physik
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Sammlungen:Universitätspublikationen
Licence (German):License LogoCreative Commons - CC BY - Namensnennung 4.0 International