Search for events with a pair of displaced vertices from long-lived neutral particles decaying into hadronic jets in the ATLAS muon spectrometer in pp collisions at $\sqrt{s}$=13 TeV
A search for events with two displaced vertices from long-lived particle (LLP) pairs using data collected by the ATLAS detector at the LHC is presented. This analysis uses 139 fb–1 of proton-proton collision data at $\sqrt{s}$= 13 TeV recorded in 2015–2018. The search employs techniques for reconstr...
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| Veröffentlicht in: | Physical review. D 2022-08, Vol.106 (3) |
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| creator | Abhayasinghe, D. K. Adam, L. Adelman, J. Al Khoury, K. Asbah, N. A. Babal, D. Balek, P. Bartos, P. Bechtle, P. Beisiegel, F. Beloborodov, K. Benchekroun, D. Beretta, M. Bergeaas Kuutmann, E. Brandt, O. Camarda, S. Camincher, C. Carrá, S. Cavalli, N. Chan, J. Charman, T. P. Christopher, L. D. Cueto, A. Dietrich, J. Díez Cornell, S. Emerman, A. Fabbri, F. Fenton, M. J. Francavilla, P. Gagnon, L. G. Geralis, T. Gorini, E. Goumarre, V. Gutierrez, P. Hartman, N. M. Heidegger, K. K. Heinemann, B. Heinrich, J. J. Hohn, D. Hooberman, B. H. Huiberts, S. K. Kilgallon, A. Kirchhoff, A. Kisliuk, D. P. Klein, M. Koenig, P. T. Kolb, M. Lacava, F. Lanza, A. Li, S. Lopez Paz, I. Maniatis, I. M. Manzoni, S. Martin, T. A. Martinez Outschoorn, V. I. Mdhluli, J. E. Mehlhase, S. Mino, Y. Nanjo, H. Naseri, M. Olszowska, J. Otono, H. Ozturk, S. Pagan Griso, S. Paredes Saenz, S. R. Petersen, T. C. Piegaia, R. Reynolds, E. Reznicek, P. Rinaldi, L. Rivera Vergara, J. C. Rybar, M. Sánchez, J. Sawyer, L. Schumacher, M. Shaikh, N. W. Shaw, K. Sidoti, A. South, D. Spieker, T. M. Stampekis, A. Tassi, E. Testa, M. Timoshenko, S. Todome, K. Togawa, M. Torró Pastor, E. Troncon, C. Tsopoulou, M. Vilucchi, E. Vladimirov, V. Wakida, M. Wang, T. Weber, M. S. Wilkins, L. J. Windischhofer, P. J. Xu, H. Yin, P. Zhang, K. Zhulanov, V. |
| description | A search for events with two displaced vertices from long-lived particle (LLP) pairs using data collected by the ATLAS detector at the LHC is presented. This analysis uses 139 fb–1 of proton-proton collision data at $\sqrt{s}$= 13 TeV recorded in 2015–2018. The search employs techniques for reconstructing vertices of LLPs decaying to jets in the muon spectrometer displaced between 3 and 14 m with respect to the primary interaction vertex. The observed numbers of events are consistent with the expected background and limits for several benchmark signals are determined. For the Higgs boson with a mass of 125 GeV, the paper reports the first exclusion limits for branching fractions into neutral long-lived particles below 0.1%, while branching fractions above 10% are excluded at 95% confidence level for LLP proper lifetimes ranging from 4 cm to 72.4 m. In addition, the paper present the first results for the decay of LLPs into $t\bar{t}$ in the ATLAS muon spectrometer. |
| format | Article |
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K. ; Adam, L. ; Adelman, J. ; Al Khoury, K. ; Asbah, N. A. ; Babal, D. ; Balek, P. ; Bartos, P. ; Bechtle, P. ; Beisiegel, F. ; Beloborodov, K. ; Benchekroun, D. ; Beretta, M. ; Bergeaas Kuutmann, E. ; Brandt, O. ; Camarda, S. ; Camincher, C. ; Carrá, S. ; Cavalli, N. ; Chan, J. ; Charman, T. P. ; Christopher, L. D. ; Cueto, A. ; Dietrich, J. ; Díez Cornell, S. ; Emerman, A. ; Fabbri, F. ; Fenton, M. J. ; Francavilla, P. ; Gagnon, L. G. ; Geralis, T. ; Gorini, E. ; Goumarre, V. ; Gutierrez, P. ; Hartman, N. M. ; Heidegger, K. K. ; Heinemann, B. ; Heinrich, J. J. ; Hohn, D. ; Hooberman, B. H. ; Huiberts, S. K. ; Kilgallon, A. ; Kirchhoff, A. ; Kisliuk, D. P. ; Klein, M. ; Koenig, P. T. ; Kolb, M. ; Lacava, F. ; Lanza, A. ; Li, S. ; Lopez Paz, I. ; Maniatis, I. M. ; Manzoni, S. ; Martin, T. A. ; Martinez Outschoorn, V. I. ; Mdhluli, J. E. ; Mehlhase, S. ; Mino, Y. ; Nanjo, H. ; Naseri, M. ; Olszowska, J. ; Otono, H. ; Ozturk, S. ; Pagan Griso, S. ; Paredes Saenz, S. R. ; Petersen, T. C. ; Piegaia, R. ; Reynolds, E. ; Reznicek, P. ; Rinaldi, L. ; Rivera Vergara, J. C. ; Rybar, M. ; Sánchez, J. ; Sawyer, L. ; Schumacher, M. ; Shaikh, N. W. ; Shaw, K. ; Sidoti, A. ; South, D. ; Spieker, T. M. ; Stampekis, A. ; Tassi, E. ; Testa, M. ; Timoshenko, S. ; Todome, K. ; Togawa, M. ; Torró Pastor, E. ; Troncon, C. ; Tsopoulou, M. ; Vilucchi, E. ; Vladimirov, V. ; Wakida, M. ; Wang, T. ; Weber, M. S. ; Wilkins, L. J. ; Windischhofer, P. J. ; Xu, H. ; Yin, P. ; Zhang, K. ; Zhulanov, V.</creator><creatorcontrib>Abhayasinghe, D. K. ; Adam, L. ; Adelman, J. ; Al Khoury, K. ; Asbah, N. A. ; Babal, D. ; Balek, P. ; Bartos, P. ; Bechtle, P. ; Beisiegel, F. ; Beloborodov, K. ; Benchekroun, D. ; Beretta, M. ; Bergeaas Kuutmann, E. ; Brandt, O. ; Camarda, S. ; Camincher, C. ; Carrá, S. ; Cavalli, N. ; Chan, J. ; Charman, T. P. ; Christopher, L. D. ; Cueto, A. ; Dietrich, J. ; Díez Cornell, S. ; Emerman, A. ; Fabbri, F. ; Fenton, M. J. ; Francavilla, P. ; Gagnon, L. G. ; Geralis, T. ; Gorini, E. ; Goumarre, V. ; Gutierrez, P. ; Hartman, N. M. ; Heidegger, K. K. ; Heinemann, B. ; Heinrich, J. J. ; Hohn, D. ; Hooberman, B. H. ; Huiberts, S. K. ; Kilgallon, A. ; Kirchhoff, A. ; Kisliuk, D. P. ; Klein, M. ; Koenig, P. T. ; Kolb, M. ; Lacava, F. ; Lanza, A. ; Li, S. ; Lopez Paz, I. ; Maniatis, I. M. ; Manzoni, S. ; Martin, T. A. ; Martinez Outschoorn, V. I. ; Mdhluli, J. E. ; Mehlhase, S. ; Mino, Y. ; Nanjo, H. ; Naseri, M. ; Olszowska, J. ; Otono, H. ; Ozturk, S. ; Pagan Griso, S. ; Paredes Saenz, S. R. ; Petersen, T. C. ; Piegaia, R. ; Reynolds, E. ; Reznicek, P. ; Rinaldi, L. ; Rivera Vergara, J. C. ; Rybar, M. ; Sánchez, J. ; Sawyer, L. ; Schumacher, M. ; Shaikh, N. W. ; Shaw, K. ; Sidoti, A. ; South, D. ; Spieker, T. M. ; Stampekis, A. ; Tassi, E. ; Testa, M. ; Timoshenko, S. ; Todome, K. ; Togawa, M. ; Torró Pastor, E. ; Troncon, C. ; Tsopoulou, M. ; Vilucchi, E. ; Vladimirov, V. ; Wakida, M. ; Wang, T. ; Weber, M. S. ; Wilkins, L. 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For the Higgs boson with a mass of 125 GeV, the paper reports the first exclusion limits for branching fractions into neutral long-lived particles below 0.1%, while branching fractions above 10% are excluded at 95% confidence level for LLP proper lifetimes ranging from 4 cm to 72.4 m. In addition, the paper present the first results for the decay of LLPs into $t\bar{t}$ in the ATLAS muon spectrometer.</description><identifier>ISSN: 2470-0010</identifier><language>eng</language><publisher>United States: American Physical Society (APS)</publisher><subject>extensions of gauge sector ; extensions of Higgs sector ; Hadron colliders ; hierarchy problem ; hypothetical gauge bosons ; hypothetical scalars ; PHYSICS OF ELEMENTARY PARTICLES AND FIELDS</subject><ispartof>Physical review. 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The observed numbers of events are consistent with the expected background and limits for several benchmark signals are determined. For the Higgs boson with a mass of 125 GeV, the paper reports the first exclusion limits for branching fractions into neutral long-lived particles below 0.1%, while branching fractions above 10% are excluded at 95% confidence level for LLP proper lifetimes ranging from 4 cm to 72.4 m. 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K. ; Adam, L. ; Adelman, J. ; Al Khoury, K. ; Asbah, N. A. ; Babal, D. ; Balek, P. ; Bartos, P. ; Bechtle, P. ; Beisiegel, F. ; Beloborodov, K. ; Benchekroun, D. ; Beretta, M. ; Bergeaas Kuutmann, E. ; Brandt, O. ; Camarda, S. ; Camincher, C. ; Carrá, S. ; Cavalli, N. ; Chan, J. ; Charman, T. P. ; Christopher, L. D. ; Cueto, A. ; Dietrich, J. ; Díez Cornell, S. ; Emerman, A. ; Fabbri, F. ; Fenton, M. J. ; Francavilla, P. ; Gagnon, L. G. ; Geralis, T. ; Gorini, E. ; Goumarre, V. ; Gutierrez, P. ; Hartman, N. M. ; Heidegger, K. K. ; Heinemann, B. ; Heinrich, J. J. ; Hohn, D. ; Hooberman, B. H. ; Huiberts, S. K. ; Kilgallon, A. ; Kirchhoff, A. ; Kisliuk, D. P. ; Klein, M. ; Koenig, P. T. ; Kolb, M. ; Lacava, F. ; Lanza, A. ; Li, S. ; Lopez Paz, I. ; Maniatis, I. M. ; Manzoni, S. ; Martin, T. A. ; Martinez Outschoorn, V. I. ; Mdhluli, J. E. ; Mehlhase, S. ; Mino, Y. ; Nanjo, H. ; Naseri, M. ; Olszowska, J. ; Otono, H. ; Ozturk, S. ; Pagan Griso, S. ; Paredes Saenz, S. R. ; Petersen, T. C. ; Piegaia, R. ; Reynolds, E. ; Reznicek, P. ; Rinaldi, L. ; Rivera Vergara, J. C. ; Rybar, M. ; Sánchez, J. ; Sawyer, L. ; Schumacher, M. ; Shaikh, N. W. ; Shaw, K. ; Sidoti, A. ; South, D. ; Spieker, T. M. ; Stampekis, A. ; Tassi, E. ; Testa, M. ; Timoshenko, S. ; Todome, K. ; Togawa, M. ; Torró Pastor, E. ; Troncon, C. ; Tsopoulou, M. ; Vilucchi, E. ; Vladimirov, V. ; Wakida, M. ; Wang, T. ; Weber, M. S. ; Wilkins, L. J. ; Windischhofer, P. J. ; Xu, H. ; Yin, P. ; Zhang, K. ; Zhulanov, V.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-osti_scitechconnect_18803713</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>extensions of gauge sector</topic><topic>extensions of Higgs sector</topic><topic>Hadron colliders</topic><topic>hierarchy problem</topic><topic>hypothetical gauge bosons</topic><topic>hypothetical scalars</topic><topic>PHYSICS OF ELEMENTARY PARTICLES AND FIELDS</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Abhayasinghe, D. K.</creatorcontrib><creatorcontrib>Adam, L.</creatorcontrib><creatorcontrib>Adelman, J.</creatorcontrib><creatorcontrib>Al Khoury, K.</creatorcontrib><creatorcontrib>Asbah, N. A.</creatorcontrib><creatorcontrib>Babal, D.</creatorcontrib><creatorcontrib>Balek, P.</creatorcontrib><creatorcontrib>Bartos, P.</creatorcontrib><creatorcontrib>Bechtle, P.</creatorcontrib><creatorcontrib>Beisiegel, F.</creatorcontrib><creatorcontrib>Beloborodov, K.</creatorcontrib><creatorcontrib>Benchekroun, D.</creatorcontrib><creatorcontrib>Beretta, M.</creatorcontrib><creatorcontrib>Bergeaas Kuutmann, E.</creatorcontrib><creatorcontrib>Brandt, O.</creatorcontrib><creatorcontrib>Camarda, S.</creatorcontrib><creatorcontrib>Camincher, C.</creatorcontrib><creatorcontrib>Carrá, S.</creatorcontrib><creatorcontrib>Cavalli, N.</creatorcontrib><creatorcontrib>Chan, J.</creatorcontrib><creatorcontrib>Charman, T. P.</creatorcontrib><creatorcontrib>Christopher, L. D.</creatorcontrib><creatorcontrib>Cueto, A.</creatorcontrib><creatorcontrib>Dietrich, J.</creatorcontrib><creatorcontrib>Díez Cornell, S.</creatorcontrib><creatorcontrib>Emerman, A.</creatorcontrib><creatorcontrib>Fabbri, F.</creatorcontrib><creatorcontrib>Fenton, M. J.</creatorcontrib><creatorcontrib>Francavilla, P.</creatorcontrib><creatorcontrib>Gagnon, L. G.</creatorcontrib><creatorcontrib>Geralis, T.</creatorcontrib><creatorcontrib>Gorini, E.</creatorcontrib><creatorcontrib>Goumarre, V.</creatorcontrib><creatorcontrib>Gutierrez, P.</creatorcontrib><creatorcontrib>Hartman, N. M.</creatorcontrib><creatorcontrib>Heidegger, K. K.</creatorcontrib><creatorcontrib>Heinemann, B.</creatorcontrib><creatorcontrib>Heinrich, J. J.</creatorcontrib><creatorcontrib>Hohn, D.</creatorcontrib><creatorcontrib>Hooberman, B. H.</creatorcontrib><creatorcontrib>Huiberts, S. K.</creatorcontrib><creatorcontrib>Kilgallon, A.</creatorcontrib><creatorcontrib>Kirchhoff, A.</creatorcontrib><creatorcontrib>Kisliuk, D. P.</creatorcontrib><creatorcontrib>Klein, M.</creatorcontrib><creatorcontrib>Koenig, P. T.</creatorcontrib><creatorcontrib>Kolb, M.</creatorcontrib><creatorcontrib>Lacava, F.</creatorcontrib><creatorcontrib>Lanza, A.</creatorcontrib><creatorcontrib>Li, S.</creatorcontrib><creatorcontrib>Lopez Paz, I.</creatorcontrib><creatorcontrib>Maniatis, I. M.</creatorcontrib><creatorcontrib>Manzoni, S.</creatorcontrib><creatorcontrib>Martin, T. A.</creatorcontrib><creatorcontrib>Martinez Outschoorn, V. I.</creatorcontrib><creatorcontrib>Mdhluli, J. E.</creatorcontrib><creatorcontrib>Mehlhase, S.</creatorcontrib><creatorcontrib>Mino, Y.</creatorcontrib><creatorcontrib>Nanjo, H.</creatorcontrib><creatorcontrib>Naseri, M.</creatorcontrib><creatorcontrib>Olszowska, J.</creatorcontrib><creatorcontrib>Otono, H.</creatorcontrib><creatorcontrib>Ozturk, S.</creatorcontrib><creatorcontrib>Pagan Griso, S.</creatorcontrib><creatorcontrib>Paredes Saenz, S. R.</creatorcontrib><creatorcontrib>Petersen, T. C.</creatorcontrib><creatorcontrib>Piegaia, R.</creatorcontrib><creatorcontrib>Reynolds, E.</creatorcontrib><creatorcontrib>Reznicek, P.</creatorcontrib><creatorcontrib>Rinaldi, L.</creatorcontrib><creatorcontrib>Rivera Vergara, J. C.</creatorcontrib><creatorcontrib>Rybar, M.</creatorcontrib><creatorcontrib>Sánchez, J.</creatorcontrib><creatorcontrib>Sawyer, L.</creatorcontrib><creatorcontrib>Schumacher, M.</creatorcontrib><creatorcontrib>Shaikh, N. W.</creatorcontrib><creatorcontrib>Shaw, K.</creatorcontrib><creatorcontrib>Sidoti, A.</creatorcontrib><creatorcontrib>South, D.</creatorcontrib><creatorcontrib>Spieker, T. M.</creatorcontrib><creatorcontrib>Stampekis, A.</creatorcontrib><creatorcontrib>Tassi, E.</creatorcontrib><creatorcontrib>Testa, M.</creatorcontrib><creatorcontrib>Timoshenko, S.</creatorcontrib><creatorcontrib>Todome, K.</creatorcontrib><creatorcontrib>Togawa, M.</creatorcontrib><creatorcontrib>Torró Pastor, E.</creatorcontrib><creatorcontrib>Troncon, C.</creatorcontrib><creatorcontrib>Tsopoulou, M.</creatorcontrib><creatorcontrib>Vilucchi, E.</creatorcontrib><creatorcontrib>Vladimirov, V.</creatorcontrib><creatorcontrib>Wakida, M.</creatorcontrib><creatorcontrib>Wang, T.</creatorcontrib><creatorcontrib>Weber, M. S.</creatorcontrib><creatorcontrib>Wilkins, L. J.</creatorcontrib><creatorcontrib>Windischhofer, P. J.</creatorcontrib><creatorcontrib>Xu, H.</creatorcontrib><creatorcontrib>Yin, P.</creatorcontrib><creatorcontrib>Zhang, K.</creatorcontrib><creatorcontrib>Zhulanov, V.</creatorcontrib><creatorcontrib>Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)</creatorcontrib><collection>OSTI.GOV</collection><jtitle>Physical review. D</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Abhayasinghe, D. K.</au><au>Adam, L.</au><au>Adelman, J.</au><au>Al Khoury, K.</au><au>Asbah, N. A.</au><au>Babal, D.</au><au>Balek, P.</au><au>Bartos, P.</au><au>Bechtle, P.</au><au>Beisiegel, F.</au><au>Beloborodov, K.</au><au>Benchekroun, D.</au><au>Beretta, M.</au><au>Bergeaas Kuutmann, E.</au><au>Brandt, O.</au><au>Camarda, S.</au><au>Camincher, C.</au><au>Carrá, S.</au><au>Cavalli, N.</au><au>Chan, J.</au><au>Charman, T. P.</au><au>Christopher, L. D.</au><au>Cueto, A.</au><au>Dietrich, J.</au><au>Díez Cornell, S.</au><au>Emerman, A.</au><au>Fabbri, F.</au><au>Fenton, M. J.</au><au>Francavilla, P.</au><au>Gagnon, L. G.</au><au>Geralis, T.</au><au>Gorini, E.</au><au>Goumarre, V.</au><au>Gutierrez, P.</au><au>Hartman, N. M.</au><au>Heidegger, K. K.</au><au>Heinemann, B.</au><au>Heinrich, J. J.</au><au>Hohn, D.</au><au>Hooberman, B. H.</au><au>Huiberts, S. K.</au><au>Kilgallon, A.</au><au>Kirchhoff, A.</au><au>Kisliuk, D. P.</au><au>Klein, M.</au><au>Koenig, P. T.</au><au>Kolb, M.</au><au>Lacava, F.</au><au>Lanza, A.</au><au>Li, S.</au><au>Lopez Paz, I.</au><au>Maniatis, I. M.</au><au>Manzoni, S.</au><au>Martin, T. A.</au><au>Martinez Outschoorn, V. I.</au><au>Mdhluli, J. E.</au><au>Mehlhase, S.</au><au>Mino, Y.</au><au>Nanjo, H.</au><au>Naseri, M.</au><au>Olszowska, J.</au><au>Otono, H.</au><au>Ozturk, S.</au><au>Pagan Griso, S.</au><au>Paredes Saenz, S. R.</au><au>Petersen, T. C.</au><au>Piegaia, R.</au><au>Reynolds, E.</au><au>Reznicek, P.</au><au>Rinaldi, L.</au><au>Rivera Vergara, J. C.</au><au>Rybar, M.</au><au>Sánchez, J.</au><au>Sawyer, L.</au><au>Schumacher, M.</au><au>Shaikh, N. W.</au><au>Shaw, K.</au><au>Sidoti, A.</au><au>South, D.</au><au>Spieker, T. M.</au><au>Stampekis, A.</au><au>Tassi, E.</au><au>Testa, M.</au><au>Timoshenko, S.</au><au>Todome, K.</au><au>Togawa, M.</au><au>Torró Pastor, E.</au><au>Troncon, C.</au><au>Tsopoulou, M.</au><au>Vilucchi, E.</au><au>Vladimirov, V.</au><au>Wakida, M.</au><au>Wang, T.</au><au>Weber, M. S.</au><au>Wilkins, L. J.</au><au>Windischhofer, P. J.</au><au>Xu, H.</au><au>Yin, P.</au><au>Zhang, K.</au><au>Zhulanov, V.</au><aucorp>Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Search for events with a pair of displaced vertices from long-lived neutral particles decaying into hadronic jets in the ATLAS muon spectrometer in pp collisions at $\sqrt{s}$=13 TeV</atitle><jtitle>Physical review. D</jtitle><date>2022-08-09</date><risdate>2022</risdate><volume>106</volume><issue>3</issue><issn>2470-0010</issn><abstract>A search for events with two displaced vertices from long-lived particle (LLP) pairs using data collected by the ATLAS detector at the LHC is presented. This analysis uses 139 fb–1 of proton-proton collision data at $\sqrt{s}$= 13 TeV recorded in 2015–2018. The search employs techniques for reconstructing vertices of LLPs decaying to jets in the muon spectrometer displaced between 3 and 14 m with respect to the primary interaction vertex. The observed numbers of events are consistent with the expected background and limits for several benchmark signals are determined. For the Higgs boson with a mass of 125 GeV, the paper reports the first exclusion limits for branching fractions into neutral long-lived particles below 0.1%, while branching fractions above 10% are excluded at 95% confidence level for LLP proper lifetimes ranging from 4 cm to 72.4 m. In addition, the paper present the first results for the decay of LLPs into $t\bar{t}$ in the ATLAS muon spectrometer.</abstract><cop>United States</cop><pub>American Physical Society (APS)</pub></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 2470-0010 |
| ispartof | Physical review. D, 2022-08, Vol.106 (3) |
| issn | 2470-0010 |
| language | eng |
| recordid | cdi_osti_scitechconnect_1880371 |
| source | American Physical Society Journals |
| subjects | extensions of gauge sector extensions of Higgs sector Hadron colliders hierarchy problem hypothetical gauge bosons hypothetical scalars PHYSICS OF ELEMENTARY PARTICLES AND FIELDS |
| title | Search for events with a pair of displaced vertices from long-lived neutral particles decaying into hadronic jets in the ATLAS muon spectrometer in pp collisions at $\sqrt{s}$=13 TeV |
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