Searching for long-lived particles beyond the Standard Model at the Large Hadron Collider

Autor: Alimena, Juliette, Beacham, James, Borsato, Martino, Cheng, Yangyang, Vidal, Xabier Cid, Cottin, Giovanna, De Roeck, Albert, Desai, Nishita, Curtin, David, Evans, Jared A., Knapen, Simon, Kraml, Sabine, Lessa, Andre, Liu, Zhen, Mehlhase, Sascha, Ramsey-Musolf, Michael J., Russell, Heather, Shelton, Jessie, Shuve, Brian, Verducci, Monica, Zurita, Jose, Adams, Todd, Adersberger, Michael, Alpigiani, Cristiano, Apresyan, Artur, Bainbridge, Robert John, Batozskaya, Varvara, Beauchesne, Hugues, Benato, Lisa, Berlendis, S., Bhal, Eshwen, Blekman, Freya, Borovilou, Christina, Boyd, Jamie, Brau, Benjamin P., Bryngemark, Lene, Buchmueller, Oliver, Buschmann, Malte, Buttinger, William, Campanelli, Mario, Cesarotti, Cari, Chen, Chunhui, Cheng, Hsin-Chia, Cheong, Sanha, Citron, Matthew, Coccaro, Andrea, Coco, V., Conte, Eric, Cormier, Félix, Corpe, Louie D., Craig, Nathaniel, Cui, Yanou, Dall'Occo, Elena, Dallapiccola, C., Darwish, M. R., Davoli, Alessandro, de Cosa, Annapaola, De Simone, Andrea, Rose, Luigi Delle, Deppisch, Frank F., Dey, Biplab, Diamond, Miriam D., Dienes, Keith R., Dildick, Sven, Döbrich, Babette, Drewes, Marco, Eich, Melanie, ElSawy, M., del Valle, Alberto Escalante, Facini, Gabriel, Farina, Marco, Feng, Jonathan L., Fischer, Oliver, Flaecher, H. U., Foldenauer, Patrick, Freytsis, Marat, Fuks, Benjamin, Galon, Iftah, Gershtein, Yuri, Giagu, Stefano, Giammanco, Andrea, Gligorov, Vladimir V., Golling, Tobias, Grancagnolo, Sergio, Gustavino, Giuliano, Haas, Andrew, Hahn, Kristian, Hajer, Jan, Hammad, Ahmed, Heinrich, Lukas, Heisig, Jan, Helo, J. C., Hesketh, Gavin, Hill, Christopher S., Hirsch, Martin, Hohlmann, M., Hulsbergen, W., Huth, John, Ilten, Philip, Jacques, Thomas, Jayatilaka, Bodhitha, Jeng, Geng-Yuan, Johns, K. A., Kaji, Toshiaki, Kasieczka, Gregor, Kats, Yevgeny, Kazana, Malgorzata, Keller, Henning, Khlopov, Maxim Yu., Kling, Felix, Kolberg, Ted R., Kostiuk, Igor, Kuwertz, Emma Sian, Kvam, Audrey, Landsberg, Greg, Lanfranchi, Gaia, Lara, Iñaki, Ledovskoy, Alexander, Linthorne, Dylan, Liu, Jia, Longarini, Iacopo, Lowette, Steven, Lubatti, Henry, Lutz, Margaret, Luo, Jingyu, Mamužić, Judita, Marinangeli, Matthieu, Mariotti, Alberto, Marlow, Daniel, McCullough, Matthew, McDermott, Kevin, Mermod, P., Milstead, David, Mitsou, Vasiliki A., Berlingen, Javier Montejo, Moortgat, Filip, Morandini, Alessandro, Morris, Alice Polyxeni, Morse, David Michael, Mrenna, Stephen, Nachman, Benjamin, Nemevšek, Miha, Nesti, Fabrizio, Ohm, Christian, Pascoli, Silvia, Pedro, Kevin, Peña, Cristián, Rodriguez, Karla Josefina Pena, Piedra, Jónatan, Pinfold, James L., Policicchio, Antonio, Popara, Goran, Prisciandaro, Jessica, Proffitt, Mason, Rauco, Giorgia, Redi, Federico, Reece, Matthew, Hall, Allison Reinsvold, Sfar, H. Rejeb, Renner, Sophie, Roepe, Amber, Ronzani, Manfredi, Salvioni, Ennio, Santra, Arka, Sawada, Ryu, Scholtz, Jakub, Schuster, Philip, Schwaller, Pedro, Sebastiani, Cristiano, Sekmen, Sezen, Selvaggi, Michele, Si, Weinan, Soffi, Livia, Stolarski, Daniel, Stuart, David, Stupak III, John, Sung, Kevin, Taylor, Wendy, Templ, Sebastian, Thomas, Brooks, Torró-Pastor, Emma, Trocino, Daniele, Trojanowski, Sebastian, Trovato, Marco, Tsai, Yuhsin, Tully, C. G., Vámi, Tamás Álmos, Vasquez, Juan Carlos, Sierra, Carlos Vázquez, Vellidis, K., Vermassen, Basile, Vit, Martina, Walker, Devin G. E., Wang, Xiao-Ping, Watts, Gordon, Xie, Si, Yexley, Melissa, Young, Charles, Yu, Jiang-Hao, Zalewski, Piotr, Zhang, Yongchao

Publikováno v: J. Phys. G: Nucl. Part. Phys. 47 090501 (2020)

Particles beyond the Standard Model (SM) can generically have lifetimes that are long compared to SM particles at the weak scale. When produced at experiments such as the Large Hadron Collider (LHC) at CERN, these long-lived particles (LLPs) can deca

Externí odkaz: http://arxiv.org/abs/1903.04497

Testing Invisible Momentum Ansatze in Missing Energy Events at the LHC

Autor: Kim, Doojin, Matchev, Konstantin T., Moortgat, Filip, Pape, Luc

We consider SUSY-like events with two decay chains, each terminating in an invisible particle, whose true energy and momentum are not measured in the detector. Nevertheless, a useful educated guess about the invisible momenta can still be obtained by

Externí odkaz: http://arxiv.org/abs/1703.06887

Improving the sensitivity of stop searches with on-shell constrained invariant mass variables

Autor: Cho, Won Sang, Gainer, James S., Kim, Doojin, Matchev, Konstantin T., Moortgat, Filip, Pape, Luc, Park, Myeonghun

Publikováno v: JHEP 1505 (2015) 040

The search for light stops is of paramount importance, both in general as a promising path to the discovery of beyond the standard model physics and more specifically as a way of evaluating the success of the naturalness paradigm. While the LHC exper

Externí odkaz: http://arxiv.org/abs/1411.0664

Discovery potential of top-partners in a realistic composite Higgs model with early LHC data

Autor: Dissertori, Guenther, Furlan, Elisabetta, Moortgat, Filip, Nef, Pascal

Publikováno v: JHEP 1009:019,2010

Composite Higgs models provide a natural, non-supersymmetric solution to the hierarchy problem. In these models, one or more sets of heavy top-partners are typically introduced. Some of these new quarks can be relatively light, with a mass of a few h

Externí odkaz: http://arxiv.org/abs/1005.4414

Precise reconstruction of sparticle masses without ambiguities

Autor: Matchev, Konstantin T., Moortgat, Filip, Pape, Luc, Park, Myeonghun

Publikováno v: JHEP 0908:104,2009

We critically reexamine the standard applications of the method of kinematical endpoints for sparticle mass determination. We consider the typical decay chain in supersymmetry (SUSY) squark -> neutralino -> slepton -> LSP, which yields a jet j and tw

Externí odkaz: http://arxiv.org/abs/0906.2417