Publications by Emma Buchanan

School of Physics and Astronomy

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Measurement of the ψ(2S) to J/ψ cross-section ratio as a function of centrality in PbPb collisions at sNNsNN = 5.02 TeV DOI
The LHCb Collaboration, W. Barter, F. Betti, A. Bohare, E. Buchanan, P. E. L. Clarke, R. Currie, S. Eisenhardt, K. Farmer, S. Gambetta, M. Kane, Y. Liu, F. Muheim, M. Needham, F. Oliva, R.H. O'Neil, O. Ozcelik, M. Richardson-Slipper, G. Sarpis, L. Soares Lavra, M. R. J. Williams et al., Journal of High Energy Physics, 2025, 7, p. 1-19 (2025)
Measurements of ψ(2S)ψ(2S) and χc1(3872)χc1(3872) production within fully reconstructed jets DOI
The LHCb Collaboration, W. Barter, F. Betti, A. Bohare, E. Buchanan, P. E. L. Clarke, R. Currie, S. Eisenhardt, K. Farmer, S. Gambetta, M. Kane, Y. Liu, M. Needham, F. Oliva, R.H. O'Neil, O. Ozcelik, M. Richardson-Slipper, G. Sarpis, L. Soares Lavra, M. R. J. Williams et al., The European Physical Journal C, 85, 5, p. 1-24 (2025)
Study of Ds1(2460)+ → Ds+ π+π- in B → (D)over-bar(*)Ds+π+π- decays DOI
The LHCb Collaboration, W. Barter, F. Betti, A. Bohare, E. Buchanan, P. E. L. Clarke, R. Currie, S. Eisenhardt, K. Farmer, S. Gambetta, M. Kane, Y. Liu, F. Muheim, M. Needham, F. Oliva, R.H. O'Neil, O. Ozcelik, M. Richardson-Slipper, G. Sarpis, L. Soares Lavra, M. R. J. Williams et al., Science Bulletin, 70, 9, p. 1432-1444 (2025)
Test of lepton flavour universality with B+→K+π+π−ℓ+ℓ−B+→K+π+π−ℓ+ℓ− decays DOI
The LHCb Collaboration, W. Barter, F. Betti, A. Bohare, E. Buchanan, P. E. L. Clarke, R. Currie, S. Eisenhardt, K. Farmer, S. Gambetta, M. Kane, Y. Liu, F. Muheim, M. Needham, F. Oliva, O. Ozcelik, G. Robertson, G. Sarpis, L. Soares Lavra, B. Urbach, M. R. J. Williams et al., Physical Review Letters, 134, 18, p. 1-13 (2025)
Measurement of CP asymmetries in Λb0→ph- decays DOI
The LHCb Collaboration, W. Barter, F. Betti, A. Bohare, E. Buchanan, P. E. L. Clarke, R. Currie, S. Eisenhardt, K. Farmer, S. Gambetta, M. Kane, Y. Liu, F. Muheim, M. Needham, F. Oliva, O. Ozcelik, M. Richardson-Slipper, G. Sarpis, L. Soares Lavra, B. Urbach, M. R. J. Williams et al., Physical Review D, 111, 9, p. 1-15 (2025)
Test of Lepton Flavor Universality with Bs0→ϕℓ+ℓ- Decays DOI
The LHCb Collaboration, W. Barter, F. Betti, A. Bohare, E. Buchanan, P. E. L. Clarke, Robert Currie, S. Eisenhardt, K. Farmer, S. Gambetta, M. Kane, Y. Liu, F. Muheim, M. Needham, F. Oliva, R.H. O'Neil, O. Ozcelik, M. Richardson-Slipper, G. Sarpis, L. Soares Lavra, M. R. J. Williams et al., Physical Review Letters, 134, 12, p. 1-15 (2025)
Measurement of CP asymmetry in Bs0→Ds∓K±Bs0→Ds∓K± decays DOI
The LHCb Collaboration, W. Barter, F. Betti, A. Bohare, E. Buchanan, P. E. L. Clarke, R. Currie, S. Eisenhardt, K. Farmer, S. Gambetta, M. Kane, Y. Liu, F. Muheim, M. Needham, F. Oliva, R.H. O'Neil, O. Ozcelik, M. Richardson-Slipper, G. Sarpis, L. Soares Lavra, M. R. J. Williams et al., Journal of High Energy Physics, 2025, 3, p. 1-32 (2025)
Measurement of ϕ(1020) meson production in fixed-target pNe collisions at sNNsNN = 68.5 GeV DOI
The LHCb Collaboration, W. Barter, F. Betti, A. Bohare, E. Buchanan, P. E. L. Clarke, R. Currie, S. Eisenhardt, K. Farmer, S. Gambetta, M. Kane, Y. Liu, F. Muheim, M. Needham, F. Oliva, R.H. O'Neil, O. Ozcelik, M. Richardson-Slipper, G. Sarpis, L. Soares Lavra, M. R. J. Williams et al., Journal of High Energy Physics, 2025, 3, p. 1-20 (2025)
First Evidence for Direct CP Violation in Beauty to Charmonium Decays DOI
The LHCb Collaboration, W. Barter, F. Betti, A. Bohare, E. Buchanan, P. E. L. Clarke, R. Currie, S. Eisenhardt, K. Farmer, S. Gambetta, M. Kane, Y. Liu, F. Muheim, M. Needham, R.H. O'Neil, O. Ozcelik, M. Richardson-Slipper, G. Sarpis, L. Soares Lavra, M. R. J. Williams et al., Physical Review Letters, 134, 10, p. 1-13 (2025)
Observation of the Open-Charm Tetraquark Candidate Tcs0*(2870)0 in the B-→D-D0KS0 Decay DOI
The LHCb Collaboration, W. Barter, F. Betti, A. Bohare, E. Buchanan, P. E. L. Clarke, R. Currie, S. Eisenhardt, Keira Farmer, S. Gambetta, M. Kane, Y. Liu, F. Muheim, M. Needham, F. Oliva, R.H. O'Neil, O. Ozcelik, M. Richardson-Slipper, G. Sarpis, L. Soares Lavra, M. R. J. Williams et al., Physical Review Letters, 134, 10, p. 1-13 (2025)
Constraints on the photon polarisation in b → sγ transitions using Bs0Bs0→ ϕe++e−− decays DOI
The LHCb Collaboration, W. Barter, F. Betti, A. Bohare, E. Buchanan, P. E. L. Clarke, R. Currie, S. Eisenhardt, K. Farmer, S. Gambetta, M. Kane, Y. Liu, F. Muheim, M. Needham, F. Oliva, R.H. O'Neil, O. Ozcelik, M. Richardson-Slipper, G. Sarpis, L. Soares Lavra, M. R. J. Williams et al., Journal of High Energy Physics, 2025, 3, p. 1-22 (2025)
First Determination of the Spin-Parity of Ξc(3055)+,0 Baryons DOI
The LHCb Collaboration, W. Barter, F. Betti, A. Bohare, E. Buchanan, P. E. L. Clarke, R. Currie, S. Eisenhardt, K. Farmer, S. Gambetta, M. Kane, Y. Liu, F. Muheim, M. Needham, F. Oliva, R.H. O'Neil, O. Ozcelik, M. Richardson-Slipper, G. Sarpis, L. Soares Lavra, M. R. J. Williams et al., Physical Review Letters, 134, 8, p. 1-13 (2025)
Measurement of exclusive J/ψJ/ and ψ(2S) production at √s = 13 TeV DOI
The LHCb Collaboration, W. Barter, F. Betti, A. Bohare, E. Buchanan, P. E. L. Clarke, R. Currie, S. Eisenhardt, K. Farmer, S. Gambetta, M. Kane, Y. Liu, F. Muheim, M. Needham, F. Oliva, R.H. O'Neil, O. Ozcelik, M. Richardson-Slipper, G. Sarpis, L. Soares Lavra, M. R. J. Williams et al., SciPost Physics, 18, 2, p. 1-33 (2025)
Measurement of the CKM angle γ in B±±→ DK∗∗(892)±± decays DOI
The LHCb Collaboration, W. Barter, F. Betti, A. Bohare, E. Buchanan, P. E. L. Clarke, R. Currie, S. Eisenhardt, K. Farmer, S. Gambetta, M. Kane, Y. Liu, F. Muheim, M. Needham, F. Oliva, R.H. O'Neil, O. Ozcelik, M. Richardson-Slipper, G. Sarpis, L. Soares Lavra, M. R. J. Williams et al., Journal of High Energy Physics, 2025, 2, p. 1-36 (2025)
Measurement of the Branching Fraction Ratios R(D+) and R(D*+) Using Muonic τ Decays DOI
The LHCb Collaboration, W. Barter, F. Betti, A. Bohare, E. Buchanan, P. E. L. Clarke, R. Currie, S. Eisenhardt, K. Farmer, S. Gambetta, Y. Liu, F. Muheim, M. Needham, F. Oliva, R.H. O'Neil, O. Ozcelik, M. Richardson-Slipper, G. Sarpis, L. Soares Lavra, C. Vrahas and M. R. J. Williams, Physical Review Letters, 134, 6, p. 1-13 (2025)
Observation of Exotic J/ψϕ Resonant Structure in Diffractive Processes in Proton-Proton Collisions DOI
The LHCb Collaboration, W. Barter, F. Betti, A. Bohare, E. Buchanan, P. E. L. Clarke, R. Currie, S. Eisenhardt, K. Farmer, S. Gambetta, Y. Liu, F. Muheim, M. Needham, F. Oliva, R.H. O'Neil, O. Ozcelik, M. Richardson-Slipper, G. Sarpis, L. Soares Lavra, C. Vrahas and M. R. J. Williams, Physical Review Letters, 134, 3, p. 1-12 (2025)
Search for B(s)∗0→μ+μ− in Bc+→π+μ+μ− decays DOI
The LHCb Collaboration, W. Barter, F. Betti, A. Bohare, E. Buchanan, P. E. L. Clarke, R. Currie, S. Eisenhardt, K. Farmer, S. Gambetta, M. Kane, Y. Liu, F. Muheim, M. Needham, F. Oliva, R.H. O'Neil, O. Ozcelik, M. Richardson-Slipper, G. Sarpis, L. Soares Lavra, M. R. J. Williams et al., The European Physical Journal C, 85, 1, p. 1-16 (2025)
Measurement of CP violation in B00→ D++D− and Bs0→Ds+Ds− decays DOI
The LHCb Collaboration, W. Barter, F. Betti, A. Bohare, E. Buchanan, P. E. L. Clarke, R. Currie, S. Eisenhardt, K. Farmer, S. Gambetta, M. Kane, Y. Liu, F. Muheim, M. Needham, F. Oliva, R.H. O'Neil, O. Ozcelik, M. Richardson-Slipper, G. Sarpis, L. Soares Lavra, M. R. J. Williams et al., Journal of High Energy Physics, 2025, 01, p. 1-25 (2025)
Amplitude analysis of B+→ ψ(2S)K+π+π− decays DOI
The LHCb Collaboration, W. Barter, F. Betti, A. Bohare, E. Buchanan, P. E. L. Clarke, R. Currie, S. Eisenhardt, K. Farmer, S. Gambetta, M. Kane, Y. Liu, F. Muheim, M. Needham, F. Oliva, R.H. O'Neil, O. Ozcelik, M. Richardson-Slipper, G. Sarpis, L. Soares Lavra, M. R. J. Williams et al., Journal of High Energy Physics, 2025, 1, p. 054 (2025)
Measurement of D0-D¯0 mixing and search for CP violation with D0→K+π- decays DOI
The LHCb Collaboration, W. Barter, F. Betti, A. Bohare, E. Buchanan, P. E. L. Clarke, R. Currie, S. Eisenhardt, K. Farmer, S. Gambetta, Y. Liu, F. Muheim, M. Needham, F. Oliva, R.H. O'Neil, O. Ozcelik, M. Richardson-Slipper, G. Sarpis, L. Soares Lavra, C. Vrahas and M. R. J. Williams, Physical Review D, 111, 1, p. 1-25 (2025)
Measurement of Λb0, Λc+, and Λ Decay Parameters Using Λb0→Λc+h- Decays DOI
The LHCb Collaboration, W. Barter, F. Betti, A. Bohare, E. Buchanan, P. E. L. Clarke, R. Currie, S. Eisenhardt, K. Farmer, S. Gambetta, M. Kane, F. Muheim, M. Needham, F. Oliva, R.H. O'Neil, O. Ozcelik, M. Richardson-Slipper, G. Sarpis, L. Soares Lavra, C. Vrahas and M. R. J. Williams, Physical Review Letters, 133, 26, p. 1-15 (2024)
Measurement of CP Violation Observables in D+→K-K+π+ Decays DOI
The LHCb Collaboration, W. Barter, F. Betti, A. Bohare, E. Buchanan, P. E. L. Clarke, R. Currie, S. Eisenhardt, K. Farmer, S. Gambetta, M. Kane, Y. Liu, F. Muheim, M. Needham, F. Oliva, R.H. O'Neil, O. Ozcelik, M. Richardson-Slipper, G. Sarpis, L. Soares Lavra, M. R. J. Williams et al., Physical Review Letters, 133, 25, p. 1-13 (2024)
Analysis of Λb0Λb0→ pK−−μ++μ−− decays DOI
The LHCb Collaboration, W. Barter, F. Betti, A. Bohare, E. Buchanan, P. E. L. Clarke, R. Currie, S. Eisenhardt, K. Farmer, S. Gambetta, M. Kane, Y. Liu, F. Muheim, M. Needham, F. Oliva, R.H. O'Neil, O. Ozcelik, M. Richardson-Slipper, G. Sarpis, L. Soares Lavra, M. R. J. Williams et al., Journal of High Energy Physics, 2024, 12, p. 1-32 (2024)
Study of the rare decay J/ψ→μ+μ−μ+μ− DOI
The LHCb Collaboration, W. Barter, F. Betti, A. Bohare, E. Buchanan, P. E. L. Clarke, R. Currie, S. Eisenhardt, K. Farmer, S. Gambetta, M. Kane, Y. Liu, F. Muheim, M. Needham, F. Oliva, R.H. O'Neil, O. Ozcelik, M. Richardson-Slipper, G. Sarpis, L. Soares Lavra, M. R. J. Williams et al., Journal of High Energy Physics, 2024, 12, p. 1-24 (2024)
Study of charmonium production via the decay to ppˉat √s=13 TeV DOI
The LHCb Collaboration, W. Barter, F. Betti, A. Bohare, E. Buchanan, P. E. L. Clarke, R. Currie, S. Eisenhardt, K. Farmer, S. Gambetta, Y. Liu, F. Muheim, M. Needham, F. Oliva, R.H. O'Neil, O. Ozcelik, M. Richardson-Slipper, G. Sarpis, L. Soares Lavra, C. Vrahas and M. R. J. Williams, The European Physical Journal C, 84, 12, p. 1-19 (2024)
Measurement of the effective leptonic weak mixing angle DOI
The LHCb Collaboration, W. Barter, F. Betti, A. Bohare, E. Buchanan, P. E. L. Clarke, R. Currie, S. Eisenhardt, K. Farmer, S. Gambetta, M. Kane, Y. Liu, F. Muheim, M. Needham, F. Oliva, R.H. O'Neil, O. Ozcelik, M. Richardson-Slipper, G. Sarpis, L. Soares Lavra, M. R. J. Williams et al., Journal of High Energy Physics, 2024, 12, p. 1-27 (2024)
Probing the nature of the χc1c1(3872) state using radiative decays DOI
The LHCb Collaboration, W. Barter, F. Betti, A. Bohare, E. Buchanan, P. E. L. Clarke, R. Currie, S. Eisenhardt, K. Farmer, S. Gambetta, M. Kane, Y. Liu, F. Muheim, M. Needham, F. Oliva, R.H. O'Neil, O. Ozcelik, M. Richardson-Slipper, G. Sarpis, L. Soares Lavra, M. R. J. Williams et al., Journal of High Energy Physics, 2024, 11, p. 1-30 (2024)
Observation of muonic Dalitz decays of chib mesons and precise spectroscopy of hidden-beauty states DOI
The LHCb Collaboration, W. Barter, F. Betti, A. Bohare, E. Buchanan, P. E. L. Clarke, R. Currie, S. Eisenhardt, K. Farmer, S. Gambetta, M. Kane, Y. Liu, F. Muheim, M. Needham, F. Oliva, R.H. O'Neil, O. Ozcelik, M. Richardson-Slipper, G. Sarpis, L. Soares Lavra, M. R. J. Williams et al., Journal of High Energy Physics, 2024, 10, p. 1-27 (2024)
Precision measurement of the Ξb- baryon lifetime DOI
The LHCb Collaboration, W. Barter, F. Betti, A. Bohare, E. Buchanan, P. E. L. Clarke, R. Currie, S. Eisenhardt, K. Farmer, S. Gambetta, Y. Liu, F. Muheim, M. Needham, F. Oliva, R.H. O'Neil, O. Ozcelik, M. Richardson-Slipper, G. Sarpis, L. Soares Lavra, C. Vrahas and M. R. J. Williams, Physical Review D, 110, 7, p. 1-16 (2024)
Observation of New Charmonium or Charmoniumlike States in B+→D*±D∓K+ Decays DOI
The LHCb Collaboration, W. Barter, F. Betti, A. Bohare, E. Buchanan, P. E. L. Clarke, R. Currie, S. Eisenhardt, K. Farmer, S. Gambetta, Y. Liu, F. Muheim, M. Needham, F. Oliva, R.H. O'Neil, O. Ozcelik, M. Richardson-Slipper, G. Sarpis, L. Soares Lavra, C. Vrahas and M. R. J. Williams, Physical Review Letters, 133, 13, p. 1-14 (2024)
Search for the rare decay of charmed baryon Λc+ into the pμ+μ- final state DOI
The LHCb Collaboration, W. Barter, F. Betti, A. Bohare, E. Buchanan, P. E. L. Clarke, R. Currie, S. Eisenhardt, K. Farmer, S. Gambetta, Y. Liu, F. Muheim, M. Needham, F. Oliva, R.H. O'Neil, O. Ozcelik, M. Richardson-Slipper, G. Sarpis, L. Soares Lavra, C. Vrahas and M. R. J. Williams, Physical Review D, 110, 5, p. 1-13 (2024)
Amplitude analysis of the radiative decay B0s→ K+K−γ DOI
The LHCb Collaboration, W. Barter, F. Betti, A. Bohare, E. Buchanan, P. E. L. Clarke, R. Currie, S. Eisenhardt, K. Farmer, S. Gambetta, Y. Liu, F. Muheim, M. Needham, F. Oliva, R.H. O'Neil, O. Ozcelik, M. Richardson-Slipper, G. Sarpis, L. Soares Lavra, C. Vrahas and M. R. J. Williams, Journal of High Energy Physics, 2024, 8, p. 1-38 (2024)
Study of Bc+→χcπ+Bc+→χcπ+ decays DOI
The LHCb Collaboration, W. Barter, F. Betti, A. Bohare, E. Buchanan, P. E. L. Clarke, R. Currie, S. Eisenhardt, K. Farmer, S. Gambetta, Y. Liu, F. Muheim, M. Needham, F. Oliva, R.H. O'Neil, O. Ozcelik, M. Richardson-Slipper, G. Sarpis, L. Soares Lavra, C. Vrahas and M. R. J. Williams, Journal of High Energy Physics, 2024, 2, p. 1-29 (2024)