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Results are presented from a search for new physics in final states containing a photon and missing transverse momentum. The data correspond to an integrated luminosity of 19.6 fb−1 collected in proton–proton collisions at s=8 TeV with the CMS experiment at the LHC. No deviation from the standard model predictions is observed for these final states. New, improved limits are set on dark matter production and on parameters of models with large extra dimensions. In particular, the first limits from the LHC on branon production are found and significantly extend previous limits from LEP and the Tevatron. An upper limit of 14.0 fb on the cross section is set at the 95% confidence level for events with a monophoton final state with photon transverse momentum greater than 145 GeV and missing transverse momentum greater than 140 GeV.
Qian Wang, Matthias Wolf, Yi Zhang, Konstantin Androsov, Alexis Kalogeropoulos, Jan Steggemann, Yi Wang, Michele Bianco, Jian Wang, Matthias Finger, Zheng Wang, Chao Wang, João Miguel das Neves Duarte, Tagir Aushev, Varun Sharma, Tian Cheng, Yixing Chen, Werner Lustermann, Ioannis Papadopoulos, Andrea Rizzi, Paolo Ronchese, Ekaterina Kuznetsova, Hua Zhang, Siyuan Wang, Jessica Prisciandaro, Peter Hansen, Ruchi Gupta, David Vannerom, Sebastiana Gianì, Kun Shi, Abhisek Datta, Arvind Shah, Wei Shi, Wei Sun, Jian Zhao, Rakesh Chawla, Thomas Berger, Federica Legger, Doohyun Kim, Bertrand François, Bandeep Singh, Ji Hyun Kim, Dipanwita Dutta, Donghyun Kim, Yiming Li, Sanjeev Kumar, Yong Yang, Ajay Kumar, Andromachi Tsirou, Georgios Anagnostou, Joao Varela, Csaba Hajdu, Muhammad Ahmad, Matthias Weber, Muhammad Shoaib, Milos Dordevic, Vineet Kumar, Abhishek Sharma, Vladimir Petrov, Francesco Fiori, Meng Xiao, Sourav Sen, Viktor Khristenko, Kai Yi, Muhammad Waqas, Seungkyu Ha, Maren Tabea Meinhard, Xiao Wang, Zhen Liu, Jing Li, Ali Harb, Hui Wang, Pratyush Das, Miao Hu, Anton Petrov, Chunhui Chen, Valérie Scheurer, Muhammad Ansar Iqbal
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Qian Wang, Lesya Shchutska, Matthias Wolf, Konstantin Androsov, Alexis Kalogeropoulos, Jan Steggemann, Yi Wang, Michele Bianco, Jian Wang, Matthias Finger, Mingkui Wang, Zheng Wang, João Miguel das Neves Duarte, Tagir Aushev, Varun Sharma, Tian Cheng, Yixing Chen, Werner Lustermann, Ioannis Papadopoulos, Paolo Ronchese, Andrea Rizzi, Ekaterina Kuznetsova, Thomas Muller, Ho Ling Li, Giuseppe Codispoti, Hua Zhang, Siyuan Wang, Peter Hansen, Daniel Gonzalez, Ruchi Gupta, David Vannerom, Kun Shi, Wei Shi, Abhisek Datta, Thomas Berger, Ji Hyun Kim, Dipanwita Dutta, Donghyun Kim, Sanjeev Kumar, Yong Yang, Ajay Kumar, Andromachi Tsirou, Georgios Anagnostou, Csaba Hajdu, Joao Varela, Muhammad Ahmad, Matthias Weber, Muhammad Shoaib, Milos Dordevic, Vineet Kumar, Abhishek Sharma, Wei Li, Vladimir Petrov, Francesco Fiori, Quentin Python, Hao Liu, Meng Xiao, Sourav Sen, Viktor Khristenko, Marco Trovato, Fan Xia, Bibhuprasad Mahakud, Muhammad Waqas, Seungkyu Ha, Davide Cieri, Maren Tabea Meinhard, Xiao Wang, Jing Li, Zhen Liu, Ali Harb, Hui Wang, Benjamin William Allen, Pratyush Das, Xin Chen, Miao Hu, Lei Li