Updated search for long-lived particles decaying to jet pairs

Updated search for long-lived particles decaying to jet pairs

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A search is presented for long-lived particles with a mass between 25 and 50GeV/c2 and a lifetime between 2 and 500 ps, using proton–proton collision data corresponding to an integrated luminosity of 2.0fb-1, collected by the LHCb detector at centre-of-mass energies of 7 and 8 TeV. The particles are...

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Bibliografiske detaljer
Main Authors:	Aaij, R, Adeva, B, Adinolfi, M, Evans, T, Gandini, P, Gruberg Cazon, B, Hadavizadeh, T, Harnew, N, Hill, D, Jalocha, P, John, M, Jurik, N, Malde, S, Nandi, A, Rollings, A, Topp-Jorgenson, S, Wilkinson, G, LHCb collaboration
Format:	Journal article
Udgivet:	Springer 2017

Lignende værker

Search for the B-s(0) -> η′ϕ decay
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Measurement of matter–antimatter differences in beauty baryon decays
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Measurement of CP asymmetry in D 0 → K − K + decays
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Observation of charmless baryonic decays B0(s)→p¯ph+h'−
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Study of charmonium production in b-hadron decays and first evidence for the decay Bs0 → ϕ ϕ ϕ
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Udgivet: (2017)

Observation of Bc+ → D0K+ decays.
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Udgivet: (2017)

Measurement of the phase difference between short- and long-distance amplitudes in the B+→K+μ+μ− decay.
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Observation of the B+→D∗-K+π+ decay
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Udgivet: (2017)

Observation of the annihilation decay mode B0→K+K−.
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Udgivet: (2017)

First observation of a baryonic Bs0 decay
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Observation of the decay Ξ−b→pK−K
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Udgivet: (2017)

Observation of the Ξb−→J/ψΛK− decay
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Udgivet: (2017)

First experimental study of photon polarization in radiative B0s decays.
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Udgivet: (2017)

Test of lepton universality with B 0 → K *0 ℓ + ℓ − decays
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Measurement of CP asymmetries in D± → η′π± and D±s → η′π± decays
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Udgivet: (2017)

Measurement of the shape of the Λ0b→Λ+cμ−νμ¯ differential decay rate
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Improved limit on the branching fraction of the rare decay $${{K} ^0_{\mathrm { \scriptscriptstyle S}}} \rightarrow \mu ^+\mu ^-$$
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Udgivet: (2017)

Observation of the decay Bs0 → ηcϕ and evidence for Bs0 → ηcπ+π−
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Udgivet: (2017)

Measurement of the CP violation parameter AΓ in D0→K+K- and D0→π+π- decays.
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Observation of Bc+→J/ψD(∗)0K+ decays
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Measurement of the ratio of branching fractions and difference in CP asymmetries of the decays B+ → J/ψπ+ and B+ → J/ψK+
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Evidence for the two-body charmless baryonic decay B + → pΛ¯
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Search for massive long-lived particles decaying semileptonically in the LHCb detector.
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Udgivet: (2017)

Observation of ηc(2S) →pp¯ and search for X(3872) →pp¯ decays
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Search for the decays B0s→τ+τ− and B0→τ+τ−
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Udgivet: (2017)

Resonances and CP violation in B-s(0) and (B)over-bar(s)(0) -> j psi K+K- decays in the mass region above the ϕ (1020)
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Measurement of the B± production asymmetry and the CP asymmetry in B± → J/ψK± decays
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Udgivet: (2017)

Search for long-lived scalar particles in B+→K+χ(μ+μ−) decays
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Updated branching fraction measurements of B (s) 0 → K S 0 h + h ′ − decays
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Udgivet: (2017)

Observation of five new narrow Ω0c states decaying to Ξ+cK−.
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Udgivet: (2017)

Search for CP violation in the phase space of D0 → π+π−π+π− decays
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Udgivet: (2017)

Search for decays of neutral beauty mesons into four muons
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Udgivet: (2017)

Observation of B+→J/ψ3π+2π− and B+→ψ(2S)π+π+π− decays.
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Udgivet: (2017)

Measurement of the B0s→μ+μ− branching fraction and effective lifetime and search for B0→μ+μ−decays.
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Udgivet: (2017)

First observation of the rare purely baryonic decay B0 → pp¯
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Measurement of forward tt, W + bb and W + cc production in pp collisions at √s = 8 TeV
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Observation of the Λ0b → Λφ decay
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Study of J/ψ Production in Jets
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Udgivet: (2017)

Measurement of CP violation in B⁰ → D⁺ D⁻ decays
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Udgivet: (2016)

Search for B+c decays to the ppπ+ final state
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Udgivet: (2016)