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| 題名: | Search for dark matter in proton-proton collisions at 8 TeV with missing transverse momentum and vector boson tagged jets |
| 作者: | 余欣珊;Beluffi, C.;Wertz, S.;Huertas Guativa, L. M.;Ahuja, S.;Glushkov, I.;Chen, G.;Finger, M.;Collard, C.;Chierici, R.;Contardo, D.;Gouzevitch, M.;Autermann, C.;Lipinski, M.;Merschmeyer, M.;Saxena, P.;Kovalchuk, N.;Ott, J.;Vanelderen, L.;Plagge, M.;Kokkas, P.;Zsigmond, A. J.;Sahoo, D. K.;Sharma, R.;Jha, V.;Wickramage, N.;Eskandari Tadavani, E.;Iaselli, G.;Pompili, A.;Venditti, R.;Fanfani, A.;Marcellini, S.;Civinini, C.;Sciacca, C.;Checchia, P.;Simonetto, F.;Margaroli, F.;Paramatti, R.;Bartosik, N.;Ruspa, M.;Casarsa, M.;Park, S. K.;Walczak, M.;Kuznetsova, E.;Andreev, V.;Savrin, V.;Alcaraz Maestre, J.;Escalante Del Valle, A.;Puerta Pelayo, J.;Castello, R.;David, A.;Girone, M.;Innocente, V.;Knünz, V.;Morovic, S.;Schwick, C.;Nessi-Tedaldi, F.;Tavolaro, V. R.;Fiori, F.;Paganis, E.;Guler, Y.;Harper, S.;Olaiya, E.;Penning, B.;Reid, I. D.;Laird, E.;Mao, Z.;Calderon De La Barca Sanchez, M.;Pilot, J.;Padhi, S.;Yagil, A.;Gran, J.;Bunn, J.;Zhu, R. Y.;Cumalat, J. P.;Banerjee, S.;Rakness, G.;Ma, P.;Mei, H.;Apanasevich, L.;Gerber, C. E.;Turner, P.;Durgut, S.;Wetzel, J.;Anderson, I.;Kenny, R. P.;Rebassoo, F.;Gomez Ceballos, G.;Chatterjee, R. M.;Roozbahani, B.;Trovato, M.;Hurtado Anampa, K.;Wayne, M.;Antonelli, L.;Hill, C.;Luo, W.;Luo, J.;Zuranski, A.;Garcia-Bellido, A.;Tuo, S.;Polese, G. |
| 貢獻者: | 理學院物理學系 |
| 關鍵詞: | Bosons;Classical and Quantum Gravitation;Collisions;Dark matter;Decay;Elementary Particles;Hadron-Hadron scattering (experiments);High energy physics;High Energy Physics - Experiment;Jets;Physics;Physics and Astronomy;PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;Quantum Field Theories;Quantum Field Theory;Quantum Physics;Regular Article - Experimental Physics;Relativity Theory;Scalars;Searching;String Theory;Transverse momentum |
| 日期: | 2016-12-01 |
| 上傳時間: | 2026-04-23 13:03:03 (UTC+8) |
| 出版者: | Berlin/Heidelberg: Springer Berlin Heidelberg |
| 摘要: | 摘要： A bstract A search is presented for an excess of events with large missing transverse momentum in association with at least one highly energetic jet, in a data sample of proton-proton collisions at a centre-of-mass energy of 8 TeV. The data correspond to an integrated luminosity of 19.7 fb −1 collected by the CMS experiment at the LHC. The results are interpreted using a set of simplified models for the production of dark matter via a scalar, pseudoscalar, vector, or axial vector mediator. Additional sensitivity is achieved by tagging events consistent with the jets originating from a hadronically decaying vector boson. This search uses jet substructure techniques to identify hadronically decaying vector bosons in both Lorentz-boosted and resolved scenarios. This analysis yields improvements of 80% in terms of excluded signal cross sections with respect to the previous CMS analysis using the same data set. No significant excess with respect to the standard model expectation is observed and limits are placed on the parameter space of the simplified models. Mediator masses between 80 and 400 GeV in the scalar and pseudoscalar models, and up to 1.5 TeV in the vector and axial vector models, are excluded.
其他題名： J. High Energ. Phys
出版者： Berlin/Heidelberg: Springer Berlin Heidelberg
出版日期： 2016-12-01
出處： JHEP, 2016-12, Vol.2016 (12), p.1-54, Article 83
資源來源： SpringerLink - Revues - OpenAccess
版權： The Author(s) 2016
版權： Journal of High Energy Physics is a copyright of Springer, 2016.
版權： CC0 1.0 - Universal
識別號： ISSN: 1029-8479
識別號： ISSN: 1126-6708
識別號： ISSN: 1127-2236
識別號： EISSN: 1029-8479
識別號： DOI: 10.1007/JHEP12(2016)083 |
| 顯示於類別: | [物理學系] 期刊論文
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