Gediminas Sarpis

Search results

• 2024

  Measurement of CP Violation in B0→ψ(→ℓ+ℓ−)K0S(→π+π−) Decays

  LHCb collaboration, Vrahas, C., Robertson, G., Richardson-Slipper, M., Petrucci, S., O'Neil, R. H., Mitchell, S. E., Gizdov, K. & Bohare, A., 12 Jan 2024, In: Physical Review Letters. 132, 2, p. 1-12 12 p., 021801.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Independent Variables 100%
• 2023

  Measurement of the CKM angle γ using the B± → D∗h± channels

  LHCb collaboration, O'Neil, R. H., Farmer, K., Bohare, A., Richardson-Slipper, M. & Vrahas, C., 1 Dec 2023, In: Journal of High Energy Physics. 2023, 12, p. 1-31 31 p., 13.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Center of Mass 100%

• Observation of New Baryons in the Ξ−𝑏⁢𝜋+⁢𝜋− and Ξ0𝑏⁢𝜋+⁢𝜋− Systems

  LHCb collaboration, O'Neil, R. H., Richardson-Slipper, M. & Vrahas, C., 23 Oct 2023, In: Physical Review Letters. 131, 17, p. 1-11 11 p., 171901.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • State 100%
  • Baryon 100%
  • Investigation 33%
  • Experiment 33%
  • Proving 33%

• Precision Measurement of CP Violation in the Penguin-Mediated Decay B0s →φφ

  LHCb collaboration, O'Neil, R. H., Richardson-Slipper, M. & Vrahas, C., 23 Oct 2023, In: Physical Review Letters. 131, 17, p. 1-12 12 p., 171802.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Standard Model 100%
  • Independent Variables 100%
  • Parameter 100%

• Evidence for the decays B0 → D(∗)0ϕ and updated measurements of the branching fractions of the B0s → D(∗)0ϕ decays

  LHCb collaboration, O'Neil, R. H., Richardson-Slipper, M. & Vrahas, C., 20 Oct 2023, In: Journal of High Energy Physics. 2023, 10, p. 1-25 25 p., 123.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Uncertainty 100%
  • Detectors 50%

• Observation of the decays B0 (s) → Ds1(2536)∓K±

  LHCb collaboration, Bohare, A., Farmer, K., Liu, Y., O'Neil, R., Richardson-Slipper, M. & Vrahas, C., 17 Oct 2023, In: Journal of High Energy Physics. 2023, 10, p. 1-24 24 p., 106.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Fraction 100%
  • Collected Data 50%
  • Phase Difference 50%
  • Experiments 50%
  • Experiment 25%

• Measurement of the Λ0b→Λ(1520)μ+μ− Differential Branching Fraction

  LHCb collaboration, O'Neil, R. H., Richardson-Slipper, M. & Vrahas, C., 10 Oct 2023, In: Physical Review Letters. 131, 15, p. 1-12 12 p., 151801.

  Research output: Contribution to journal › Article › peer-review

  Open Access

• Observation and branching fraction measurement of the decay Ξ −b → Λ0bπ

  LHCb collaboration, O'Neil, R. H., Liu, Y., Farmer, K., Bohare, A., Richardson-Slipper, M. & Vrahas, C., 6 Oct 2023, In: Physical Review D. 108, 7, p. 1-16 16 p., 072002.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Baryon 100%
  • Center of Mass 50%

• Observation of New Ω0c States Decaying to the Ξ+cK− Final State

  LHCb collaboration, O'Neil, R. H., Richardson-Slipper, M. & Vrahas, C., 29 Sept 2023, In: Physical Review Letters. 131, 13, p. 1-11 11 p., 131902.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Collected Data 100%
  • Excited State 100%
  • Final State 100%
  • Experiments 100%
  • High Precision 100%

• Measurement of CP asymmetries and branching fraction ratios of B− decays to two charm mesons

  LHCb collaboration, O'Neil, R. H., Richardson-Slipper, M. & Vrahas, C., 28 Sept 2023, In: Journal of High Energy Physics. 2023, 9, p. 1-29 29 p., 202.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Fraction 100%
  • Meson 100%
  • Asymmetry 100%
  • Proton 66%
  • Decay Product 33%

• Evidence of a 𝐽/𝜓⁢𝐾0S Structure in 𝐵0→𝐽/𝜓⁢𝜙⁢𝐾0S Decays

  LHCb collaboration, O'Neil, R. H., Richardson-Slipper, M. & Vrahas, C., 26 Sept 2023, In: Physical Review Letters. 131, 13, p. 1-11 11 p., 131901.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Center of Mass 100%

• Study of the Bose-Einstein correlations of same-sign pions in proton-lead collisions

  LHCb collaboration, O'Neil, R. H., Richardson-Slipper, M. & Vrahas, C., 26 Sept 2023, In: Journal of High Energy Physics. 2023, 9, p. 1-28 28 p., 172.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Pion 100%
  • Correlation 100%
  • Nucleon 100%
  • Cubic Crystal 50%
  • Parameter 20%

• Search for CP violation in the phase space of D0 → π−π+π0 decays with the energy test

  LHCb collaboration, O'Neil, R. H., Richardson-Slipper, M. & Vrahas, C., 20 Sept 2023, In: Journal of High Energy Physics. 2023, 9, p. 1-23 23 p., 129.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Region 100%

• Measurement of the mass difference and relative production rate of the Ω −b and Ξ −b baryons

  LHCb collaboration, O'Neil, R. H., Richardson-Slipper, M. & Vrahas, C., 18 Sept 2023, In: Physical Review D. 108, 5, p. 1-16 16 p., 052008.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Fraction 100%
  • Proton 100%
  • Collision 100%
  • Production Rate 100%
  • Baryon 100%

• Measurement of the Prompt D0 Nuclear Modification Factor in p-Pb Collisions at sNN=8.16 TeV

  LHCb collaboration & O'Neil, R. H., 8 Sept 2023, In: Physical Review Letters. 131, 10, p. 1-12 12 p., 102301.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Nucleon 100%
  • Distribution Function 100%
  • Center of Mass 66%
  • Partons 66%
  • Mass Frame 50%

• Model-independent measurement of charm mixing parameters in ¯B→D0(→K0Sπ+π−)μ−¯νμX decays

  LHCb collaboration, O'Neil, R. H., Richardson-Slipper, M. & Vrahas, C., 6 Sept 2023, In: Physical Review D. 108, 5, p. 1-17 17 p., 052005.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Proton 100%
  • Model 100%
  • Models 100%
  • Independent Measurement 100%
  • Independent Variables 100%

• Search for the doubly heavy baryon Ξbc+ decaying to J/ψΞc+

  LHCb collaboration & O'Neil, R. H., 1 Sept 2023, In: Chinese Physics C. 47, 9, p. 1-13 13 p., 093001.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Energy Engineering 100%
  • Data Sample 50%
  • Experiments 50%
  • Time 50%
  • Structure 50%

• Search for the rare decays W+ →Ds+γ and Z → D0 γ at LHCb

  LHCb collaboration, O'Neil, R. H., Richardson-Slipper, M. & Vrahas, C., 1 Sept 2023, In: Chinese Physics C. 47, 9, p. 1-13 13 p., 093002.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Upper Limit 100%

• Measurement of the Branching Fractions BðB0 → p ¯pp ¯pÞ and BðB0s → p ¯pp ¯pÞ

  LHCb collaboration, O'Neil, R. H., Richardson-Slipper, M. & Vrahas, C., 29 Aug 2023, In: Physical Review Letters. 131, 9, p. 1-11 11 p., 091901.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Experiments 100%

• Measurement of the Time-Integrated 𝐶⁢𝑃 Asymmetry in 𝐷0→𝐾−⁢𝐾+ Decays

  LHCb collaboration, O'Neil, R. H., Richardson-Slipper, M. & Vrahas, C., 29 Aug 2023, In: Physical Review Letters. 131, 9, p. 1-13 13 p., 091802.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Center of Mass 100%
  • Correlation Coefficient 100%

• Observation of the B+ → Jψη′K+ decay

  LHCb collaboration, O'Neil, R. H., Richardson-Slipper, M. & Vrahas, C., 25 Aug 2023, In: Journal of High Energy Physics. 2023, 8, p. 1-26 26 p., 174.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Collected Data 100%
  • Energy Engineering 100%
  • Experiments 100%
  • Uncertainty 100%
  • Distribution Mass 100%

• Observation of a Resonant Structure near the 𝐷+𝑠⁢𝐷−𝑠 Threshold in the 𝐵+→𝐷+𝑠⁢𝐷−𝑠⁢𝐾+ Decay

  LHCb collaboration, O'Neil, R. H., Richardson-Slipper, M. & Vrahas, C., 18 Aug 2023, In: Physical Review Letters. 131, 7, p. 1-12 12 p., 071901.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Mass Spectrum 100%
  • Quantum Number 100%
  • Center of Mass 100%
  • Standard Deviation 100%

• Associated production of prompt J/ψ and Υ mesons in pp collisions at √s = 13 TeV

  LHCb collaboration, O'Neil, R. H., Richardson-Slipper, M. & Vrahas, C., 17 Aug 2023, In: Journal of High Energy Physics. 2023, 8, p. 1-23 23 p., 93.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Cross Section 100%
  • Transverse Momentum 100%
  • Effective Cross 33%
  • Energy Engineering 33%

• Study of charmonium decays to 𝐾0 S⁢𝐾⁢𝜋 in the 𝐵→(𝐾0 S⁢𝐾⁢𝜋)⁢𝐾 channels

  LHCb collaboration, O'Neil, R. H., Richardson-Slipper, M. & Vrahas, C., 17 Aug 2023, In: Physical Review D. 108, 3, p. 1-41 41 p., 032010.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Center of Mass 100%
  • Mass Spectrum 100%
  • Energy Engineering 100%
  • Precise Measurement 100%

• First observation of the 𝐵+→𝐷+𝑠⁢𝐷−𝑠⁢𝐾+ decay

  LHCb collaboration, O'Neil, R. H., Richardson-Slipper, M. & Vrahas, C., 14 Aug 2023, In: Physical Review D. 108, 3, p. 1-14 14 p., 034012.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Collected Data 100%
  • Energy Engineering 100%
  • Center of Mass 100%

• Search for 𝐶⁢𝑃 violation using ^ 𝑇-odd correlations in 𝐵0→𝑝⁢¯𝑝⁢𝐾+⁢𝜋− decays

  LHCb collaboration & O'Neil, R. H., 8 Aug 2023, In: Physical Review D. 108, 3, p. 1-16 16 p., 032007.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Center of Mass 100%

• Search for 𝐾0S⁡(L)→𝜇+⁢𝜇−⁢𝜇+⁢𝜇− decays at LHCb

  LHCb collaboration, O'Neil, R. H., Richardson-Slipper, M. & Vrahas, C., 3 Aug 2023, In: Physical Review D. 108, 3, p. 1-12 12 p., L031102.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Upper Limit 100%
  • Confidence Level 100%

• Measurement of lepton universality parameters in 𝐵+→𝐾+⁢ℓ+⁢ℓ− and 𝐵0→𝐾*0⁢ℓ+⁢ℓ− decays

  LHCb collaboration, O'Neil, R. H., Ozcelik, O., Richardson-Slipper, M. & Vrahas, C., 2 Aug 2023, In: Physical Review D. 108, 3, p. 1-46 46 p., 032002.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Lepton 100%
  • Independent Variables 100%
  • Standard Model 33%
  • Muon 33%

• Test of Lepton Universality in 𝑏→𝑠⁢ℓ+⁢ℓ− Decays

  LHCb collaboration, O'Neil, R. H., Richardson-Slipper, M. & Vrahas, C., 2 Aug 2023, In: Physical Review Letters. 131, 5, p. 1-13 13 p., 051803.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Lepton 100%
  • Standard Model 50%
  • Muon 50%

• Λ+c polarimetry using the dominant hadronic mode

  LHCb collaboration, O'Neil, R. H., Ozcelik, O., Richardson-Slipper, M. & Vrahas, C., 31 Jul 2023, In: Journal of High Energy Physics. 2023, 7, p. 1-25 25 p., 228.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Polarimetry 100%
  • Amplitude 100%
  • Vector 100%
  • Baryon 100%
  • Decay Rate 50%

• Amplitude analysis of the Λ+c→pK−π+ decay and Λ+c baryon polarization measurement in semileptonic beauty hadron decays

  LHCb collaboration & O'Neil, R. H., 28 Jul 2023, In: Physical Review D. 108, 1, p. 1-27 27 p., 012023.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Hadron 100%
  • Baryon 100%
  • Independent Variables 25%

• Search for the baryon- and lepton-number violating decays B0 → pμ- and Bs0 → pμ-

  LHCb collaboration, O'Neil, R. H., Richardson-Slipper, M. & Vrahas, C., 28 Jul 2023, In: Physical Review D. 108, 1, p. 1-15 15 p., 012021.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Number 100%
  • Upper Limit 50%

• Amplitude analysis of 𝐵0→‾𝐷0⁢𝐷+𝑠⁢𝜋− and 𝐵+→𝐷−⁢𝐷+𝑠⁢𝜋+ decays

  LHCb collaboration, O'Neil, R. H., Richardson-Slipper, M. & Vrahas, C., 27 Jul 2023, In: Physical Review D. 108, 1, p. 1-30 30 p., 012017.

  Research output: Contribution to journal › Article › peer-review

  Open Access

• Observation of sizeable 𝜔 contribution to 𝜒𝑐⁢1⁡(3872)→𝜋+⁢𝜋−⁢𝐽/𝜓 decays

  LHCb collaboration & O'Neil, R. H., 27 Jul 2023, In: Physical Review D. 108, 1, p. 1-12 12 p., L011103.

  Research output: Contribution to journal › Article › peer-review

  Open Access

• Test of lepton flavor universality using 𝐵0→𝐷*−⁢𝜏+⁢𝜈𝜏 decays with hadronic 𝜏 channels

  LHCb collaboration, O'Neil, R. H., Ozcelik, O., Richardson-Slipper, M. & Vrahas, C., 27 Jul 2023, In: Physical Review D. 108, 1, p. 1-18 18 p., 012018.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Lepton 100%
  • Standard Model 33%

• Amplitude analysis of the D+s → π−π+π+ decay

  LHCb collaboration, O'Neil, R. H., Richardson-Slipper, M. & Vrahas, C., 26 Jul 2023, In: Journal of High Energy Physics. 2023, 7, p. 1-34 34 p., 204.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • S Wave Amplitude 100%
  • Hadron 100%
  • Center of Mass 100%

• Search for D∗(2007)0 → μ+μ− in B− → π−μ+μ− decays

  LHCb collaboration, O'Neil, R. H., Richardson-Slipper, M. & Vrahas, C., 26 Jul 2023, In: The European Physical Journal C. 83, 7, p. 1-14 14 p., 666.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Meson 100%
  • Analytical Method 100%
  • Upper Limit 100%
  • Concentration 50%

• Search for Rare Decays of 𝐷0 Mesons into Two Muons

  LHCb collaboration, O'Neil, R. H., Richardson-Slipper, M. & Vrahas, C., 26 Jul 2023, In: Physical Review Letters. 131, 4, p. 1-13 13 p., 041804.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Muon 100%
  • Meson 100%
  • Upper Limit 100%
  • Physics beyond the Standard Model 33%
  • Standard Model 33%

• Study of B+c meson decays to charmonia plus multihadron final states

  LHCb collaboration, O'Neil, R. H., Richardson-Slipper, M. & Vrahas, C., 26 Jul 2023, In: Journal of High Energy Physics. 2023, 7, p. 1-25 25 p., 198.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Collected Data 100%
  • Energy Engineering 100%
  • Final State 100%
  • Meson 100%
  • Detector 100%

• J/ψ and D0 production in √sNN = 68.5 GeV PbNe collisions

  LHCb collaboration, O'Neil, R. H., Richardson-Slipper, M. & Vrahas, C., 25 Jul 2023, In: The European Physical Journal C. 83, 7, p. 1-11 11 p., 658.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Energy Engineering 100%
  • Nucleon 66%
  • Experiments 33%
  • Meson 22%
  • Lead Ion 22%

• Nuclear Modification Factor of Neutral Pions in the Forward and Backward Regions in p-Pb Collisions

  LHCb collaboration & O'Neil, R. H., 24 Jul 2023, In: Physical Review Letters. 131, 4, p. 1-12 12 p., 042302.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Region 100%
  • Center of Mass 100%
  • Collision 100%
  • Modification Factor 100%
  • Pion 100%

• Search for direct CP violation in charged charmless B\textrightarrowPV decays

  LHCb collaboration & O'Neil, R. H., 20 Jul 2023, In: Physical Review D. 108, 1, p. 1-13 13 p., 012013.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Asymmetry 100%
  • P Wave 66%
  • Region 66%

• Charmonium production in pNe collisions at √sNN = 68.5 GeV

  LHCb collaboration, O'Neil, R. H., Ozcelik, O., Richardson-Slipper, M. & Vrahas, C., 17 Jul 2023, In: The European Physical Journal C. 83, 7, p. 1-11 11 p., 625.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Nucleon 100%
  • Hadron 25%

• Measurement of the CKM angle γ with B± → D[K∓π±π±π∓]h± decays using a binned phase-space approach

  LHCb collaboration, O'Neil, R. H., Ozcelik, O., Richardson-Slipper, M. & Vrahas, C., 17 Jul 2023, In: Journal of High Energy Physics. 2023, 7, p. 1-30 30 p., 138.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Coherence 100%

• Measurement of τL using the B0s → J/ψη decay mode

  LHCb collaboration & O'Neil, R. H., 17 Jul 2023, In: The European Physical Journal C. 83, 7, p. 1-13 13 p., 629.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Eigenstate 100%
  • Data Sample 100%

• Observation of a 𝐽/𝜓⁢Λ Resonance Consistent with a Strange Pentaquark Candidate in 𝐵−→𝐽/𝜓⁢Λ⁢ ¯𝑝 Decays

  LHCb collaboration, O'Neil, R. H., Richardson-Slipper, M. & Vrahas, C., 17 Jul 2023, In: Physical Review Letters. 131, 3, p. 1-11 11 p., 031901.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Energy Engineering 100%
  • Data Sample 100%
  • Single Measurement 100%
  • Center of Mass 100%
  • Detectors 100%

• Search for the rare hadronic decay B0s→p¯p

  LHCb collaboration & O'Neil, R. H., 14 Jul 2023, In: Physical Review D. 108, 1, p. 1-12 12 p., 12007.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Upper Limit 100%

• Direct CP violation in charmless three-body decays of B± mesons

  LHCb collaboration & O'Neil, R. H., 13 Jul 2023, In: Physical Review D. 108, 1, p. 1-17 17 p., 012008.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Asymmetry 100%
  • Standard 20%
  • Interference 20%
  • Deviation 20%

• Observation of the B0s → D∗+D∗− decay

  LHCb collaboration, O'Neil, R. H., Richardson-Slipper, M. & Vrahas, C., 13 Jul 2023, In: Journal of High Energy Physics. 2023, 7, p. 1-18 18 p., 119.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Fraction 100%
  • Eigenstate 100%
  • Uncertainty 100%
  • Proton 50%
  • Experiment 25%

• Observation of the B0s → χc1(3872)π+π− decay

  LHCb collaboration, O'Neil, R. H., Richardson-Slipper, M. & Vrahas, C., 11 Jul 2023, In: Journal of High Energy Physics. 2023, 7, p. 1-24 24 p., 84.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Center of Mass 100%
  • Mass Spectrum 100%
  • Recoilings 100%