Search for massive long-lived particles decaying semileptonically at root s=13 TeV
Aaij, R;Abdelmotteleb, ASW;Beteta, CA;Gallego, FJA;Ackernley, T;Adeva, B;Adinolfi, M;Afsharnia, H;Agapopoulou, C;Aidala, CA;Aiola, S;Ajaltouni, Z;Akar, S;Albrecht, J;Alessio, F;Alexander, M;Albero, AA;Aliouche, Z;Alkhazov, G;Cartelle, PA;Amato, S;Amey, JL;Amhis, Y;An, L;Anderlini, L;Andreianov, A;Andreotti, M;Archilli, F;Artamonov, A;Artuso, M;Arzymatov, K;Aslanides, E;Atzeni, M;Audurier, B;Bachmann, S;Bachmayer, M;Back, JJ;Rodriguez, PB;Balagura, V;Baldini, W;Leite, JB;Barbetti, M;Barlow, RJ;Barsuk, S;Bartolini, M;Baryshnikov, F;Basels, JM;Bashir, S;Bassi, G;Batsukh, B;Battig, A;Bay, A;Beck, A;Becker, M;Bedeschi, F;Bediaga, I;Beiter, A;Belavin, V;Belin, S;Bellee, V;Belous, K;Belov, I;Belyaev, I;Bencivenni, G;Ben-Haim, E;Berezhnoy, A;Bernet, R;Berninghoff, D;Bernstein, HC;Bertella, C;Bertolin, A;Betancourt, C;Betti, F;Bezshyiko, I;Bhasin, S;Bhom, J;Bian, L;Bieker, MS;Bifani, S;Billoir, P;Birch, M;Bishop, FCR;Bitadze, A;Bizzeti, A;Bjorn, M;Blago, MP;Blake, T;Blanc, F;Blusk, S;Bobulska, 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Y;Zhovkovska, V;Zhu, X;Zhu, X;Zhu, Z;Zhukov, V;Zonneveld, JB;Zou, Q;Zucchelli, S;Zuliani, D;Zunica, G
2022-01-01
Abstract
A search is performed for massive long-lived particles (LLPs) decaying semileptonically into a muon and two quarks. Two kinds of LLP production processes were considered. In the first, a Higgs-like boson with mass from 30 to 200 GeV/c(2) is produced by gluon fusion and decays into two LLPs. The analysis covers LLP mass values from 10 GeV/c(2) up to about one half the Higgs-like boson mass. The second LLP production mode is directly from quark interactions, with LLP masses from 10 to 90 GeV/c(2). The LLP lifetimes considered range from 5 to 200 ps. This study uses LHCb data collected from proton-proton collisions at root s = 13 TeV, corresponding to an integrated luminosity of 5.4 fb(-1). No evidence of these long-lived states has been observed, and upper limits on the production cross-section times branching ratio have been set for each model considered.
2022
Inglese
82
4
373
19
Esperti anonimi
scientifica
sì
Aaij, R; Abdelmotteleb, Asw; Beteta, Ca; Gallego, Fja; Ackernley, T; Adeva, B; Adinolfi, M; Afsharnia, H; Agapopoulou, C; Aidala, Ca; Aiola, S; Ajalto
...espandi
1.1 Articolo in rivista
info:eu-repo/semantics/article
1 Contributo su Rivista::1.1 Articolo in rivista
262
1009
open
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