Accepting PhD Students

PhD projects

Title: Searching for CP violation in electroweak penguin decays Data analysis has in recent years shown up a number of surprising measurements in the decays of b-hadrons with leptons in the final state. The so-called electroweak penguin decays are very sensitive to as-yet undiscovered new heavy particles and the measurements might be the sign of the next break-through in particle physics. A new method of analysing the data (Eur.Phys.J. C78 (2018) 453, https://inspirehep.net/record/1623024), has a very large sensitivity to CP violation that has not yet been explored. In the project, you will analyse data from the LHCb experiment at the Large Hadron Collider. Advanced computational techniques involving multi-threading, machine learning and multi-dimensional optimisation will be tools that you will become familiar with. Travel to CERN in Geneva will also be a part of the PhD. ================ Title: Artificial Intelligence algorithms for real-time processing at the Large Hadron Collider The LHCb experiment located at the Large Hadron Collider has been an incredibly successful. It has in recent years revealed hints for that the Standard Model of particle physics might not describe all phenomena. In particular there are signs that we do not have what is called lepton universality and that muons and electrons might behave differently. In order to understand this better, the LHCb experiment will go through a set of upgrades that will increase the available data by 2 orders of magnitude. The data processing requirements for this is a challenge that does not yet have a solution. In the project you will investigate how Artificial Intelligence algorithms might be implemented in Field Programmable Gate Arrays (FPGAs) that form the boundary between software and hardware. In particular you will look at how the data coming from an upgraded calorimeter can be translated into energies and arrival times of electrons in real-time at a processing rate of 40 MHz. Travel to CERN in Geneva will also be a part of the PhD.

19982020

Research output per year

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Research Output

2020

Amplitude analysis of the B+ →π+π+π- decay

LHCb collaboration, 21 Jan 2020, In : Physical Review D. 101, 1, 46 p., 012006.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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7 Citations (Scopus)

First Observation of Excited Ωb- States

The LHCb Collaboration, 25 Feb 2020, In : Physical Review Letters. 124, 8, 12 p., 082002.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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4 Citations (Scopus)

Isospin Amplitudes in Λb0 →J/ψ Λ (ς0) and Ξb0 →J/ψ Ξ0 (Λ) Decays

LHCb collaboration, 20 Mar 2020, In : Physical Review Letters. 124, 11, 28 p., 111802.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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1 Citation (Scopus)

Measurement of |Vcb| with Bs0 → Ds (∗)- μ+νμ decays

The LHCb Collaboration, 1 Apr 2020, In : Physical Review D. 101, 7, 25 p., 072004.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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Measurement of CP observables in B ± → DK ± and B ± → Dπ ± with D → KS0π∓ decays

The LHCb Collaboration, 8 Jun 2020, In : Journal of High Energy Physics. 2020, 6, 25 p., 58.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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Measurement of CP violation in B 0 → D ∗± D decays

The LHCb Collaboration, 25 Mar 2020, In : Journal of High Energy Physics. 2020, 3, 28 p., 147.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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Measurement of fs /fu Variation with Proton-Proton Collision Energy and B -Meson Kinematics

LHCb collaboration, 27 Mar 2020, In : Physical Review Letters. 124, 12, 11 p., 122002.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
3 Citations (Scopus)

Measurement of the ηc(1 S) production cross-section in p p collisions at √s=13TeV

The LHCb Collaboration, 1 Mar 2020, In : European Physical Journal C. 80, 3, 18 p., 191.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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2 Citations (Scopus)

Measurement of Ξ cc ++ production in pp collisions at √s = 13 TeV

The LHCb Collaboration, Feb 2020, In : Chinese Physics C. 44, 2, 12 p., 022001.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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1 Citation (Scopus)

Measurement of ψ(2 S) production cross-sections in proton-proton collisions at √s=7 and 13TeV

The LHCb Collaboration, 1 Mar 2020, In : European Physical Journal C. 80, 3, 23 p., 185.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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1 Citation (Scopus)

Observation of a new baryon state in the Λb0π+π− mass spectrum

The LHCb Collaboration, 1 Jun 2020, In : Journal of High Energy Physics. 2020, 6, 26 p., 136.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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1 Citation (Scopus)

Observation of New Ξ_{c}^{0} Baryons Decaying to Λ_{c}^{+}K^{-}

LHCb collaboration, 5 Jun 2020, In : Physical Review Letters. 124, 22, 11 p., 222001.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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Observation of Several Sources of CP Violation in B+ →π+π+π- Decays

The LHCb Collaboration, 21 Jan 2020, In : Physical Review Letters. 124, 3, 11 p., 031801.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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8 Citations (Scopus)

Observation of the semileptonic decay B+→ pp¯ μ+νμ

The LHCb Collaboration, 1 Mar 2020, In : Journal of High Energy Physics. 2020, 3, 22 p., 146.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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Precision measurement of the Ξcc++ mass

The LHCb Collaboration, 7 Feb 2020, In : Journal of High Energy Physics. 2020, 2, 18 p., 49.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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1 Citation (Scopus)

Search for A →μ+μ-Decays

LHCb collaboration, 29 Jan 2020, In : Physical Review Letters. 124, 4, 12 p., 041801.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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4 Citations (Scopus)

Search for the lepton flavour violating decay B + → K + μ τ + using Bs2∗0 decays

The LHCb Collaboration, 1 Jun 2020, In : Journal of High Energy Physics. 2020, 6, 19 p., 129.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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Search for the Rare Decays Bs0 →e+e- and B0 →e+e-

The LHCb Collaboration, 29 May 2020, In : Physical Review Letters. 124, 21, 11 p., 211802.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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Test of lepton universality with Λb0→pK− ℓ+ ℓ− decays

The LHCb Collaboration, 11 May 2020, In : Journal of High Energy Physics. 2020, 5, 27 p., 40.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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3 Citations (Scopus)
2019

Amplitude analysis of Bs0 → KS0± π decays

The LHCb Collaboration, 2019, In : Journal of High Energy Physics. 2019, 6, 28 p., 114.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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4 Citations (Scopus)

Anomalous asymmetry

Egede, U., 1 Jul 2019, In : Nature Physics. 15, 7, p. 624-625 2 p.

Research output: Contribution to journalComment / DebateOtherpeer-review

Open Access
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Dalitz plot analysis of the D+ → K K+ K+ decay

The LHCb Collaboration, 2019, In : Journal of High Energy Physics. 2019, 4, 36 p., 63.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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1 Citation (Scopus)

First Measurement of Charm Production in its Fixed-Target Configuration at the LHC

LHCb collaboration, 2019, In : Physical Review Letters. 122, 13, 12 p., 132002.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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15 Citations (Scopus)

Measurement of B+, B0 and Λb0 production in pPb collisions at √sNN =8.16 TeV

LHCb collaboration, 2019, In : Physical Review D. 99, 5, 21 p., 052011.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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12 Citations (Scopus)

Measurement of b hadron fractions in 13 TeV pp collisions

LHCb collaboration, 2019, In : Physical Review D. 100, 3, 11 p., 031102.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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6 Citations (Scopus)

Measurement of CP-Violating and Mixing-Induced Observables in Bs0→ϕγ Decays

LHCb collaboration, 2019, In : Physical Review Letters. 123, 8, 10 p., 081802.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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3 Citations (Scopus)

Measurement of the branching fractions of the decays D+ → KK+K+, D+ → ππ+K+ and Ds+ → πK+K+

The LHCb Collaboration, 2019, In : Journal of High Energy Physics. 2019, 3, 24 p., 176.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
2 Citations (Scopus)

Measurement of the Charm-Mixing Parameter yCP

LHCb collaboration, 2019, In : Physical Review D. 122, 1, 10 p., 011802.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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2 Citations (Scopus)

Measurement of the mass and production rate of Ξb- baryons

LHCb collaboration, 2019, In : Physical Review D. 99, 5, 13 p., 052006.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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5 Citations (Scopus)

Measurement of the Mass Difference Between Neutral Charm-Meson Eigenstates

LHCb collaboration, 2019, In : Physical Review Letters. 122, 23, 10 p., 231802.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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8 Citations (Scopus)

Measurement of the ratio of branching fractions of the decays Λb0 → ψ(2S)Λ and Λb0 → J/ψΛ

The LHCb Collaboration, 2019, In : Journal of High Energy Physics. 2019, 3, 16 p., 126.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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1 Citation (Scopus)

Measurement of the relative B- D0 /D∗∗0 /D∗∗0μμ branching fractions using B- mesons from Bs02 decays

LHCb collaboration, 2019, In : Physical Review D. 99, 9, 16 p., 092009.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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2 Citations (Scopus)

Model-Independent Observation of Exotic Contributions to B0J/ψK+π- Decays

LHCb collaboration, 2019, In : Physical Review Letters. 122, 15, 10 p., 152002.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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9 Citations (Scopus)

Observation of a Narrow Pentaquark State, Pc (4312)+, and of the Two-Peak Structure of the Pc (4450)+

LHCb collaboration, 2019, In : Physical Review Letters. 122, 22, 11 p., 222001.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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87 Citations (Scopus)

Observation of an Excited Bc+ State

LHCb collaboration, 2019, In : Physical Review Letters. 122, 23, 10 p., 232001.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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10 Citations (Scopus)

Observation of B0(s)J/ψpp Decays and Precision Measurements of the B0(s) Masses

LHCb collaboration, 2019, In : Physical Review Letters. 122, 19, 10 p., 191804.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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3 Citations (Scopus)

Observation of CP Violation in Charm Decays

LHCb collaboration, 2019, In : Physical Review Letters. 122, 21, 12 p., 211803.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
33 Citations (Scopus)

Observation of the doubly Cabibbo-suppressed decay Ξc+

The LHCb Collaboration, 2019, In : Journal of High Energy Physics. 2019, 4, 18 p., 84.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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Observation of Two Resonances in the Λb0 π± Systems and Precise Measurement of Σb± and Σb∗± Properties

LHCb collaboration, 2019, In : Physical Review D. 122, 1, 9 p., 012001.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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20 Citations (Scopus)

Precision measurement of the Λc+, Ξc+, and Ξc0 baryon lifetimes

LHCb collaboration, 2019, In : Physical Review D. 100, 3, 12 p., 032001.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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8 Citations (Scopus)

Prompt Λc+ production in pPb collisions at √sNN=5.02 TeV

The LHCb Collaboration, 2019, In : Journal of High Energy Physics. 2019, 2, 26 p., 102.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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9 Citations (Scopus)

Search for CP Violation in Ds+ → KS0 π+, D+ → KS0K+, and D+ →φπ+ Decays

The LHCb Collaboration, 2019, In : Physical Review Letters. 122, 19, 11 p., 191803.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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5 Citations (Scopus)

Search for CP violation through an amplitude analysis of D0 → K+Kπ+π decays

The LHCb Collaboration, 2019, In : Journal of High Energy Physics. 2019, 2, 34 p., 126.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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1 Citation (Scopus)

Search for Lepton-Universality Violation in B+K++Decays 

LHCb collaboration, 2019, In : Physical Review Letters. 122, 19, 13 p., 191801.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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92 Citations (Scopus)

Searching new physics in rare B-meson decays into multiple muons

Chala, M., Egede, U. & Spannowsky, M., 1 May 2019, In : European Physical Journal C. 79, 5, 7 p., 431.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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2 Citations (Scopus)

Study of the B0 → ρ(770)0K * (892)0 decay with an amplitude analysis of B0 → (π+π)(K+π) decays

The LHCb Collaboration, 2019, In : Journal of High Energy Physics. 2019, 5, 31 p., 26.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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1 Citation (Scopus)

Updated measurement of time-dependent CP -violating observables in Bs0→J/ψK+ K- decays

LHCb collaboration, 2019, In : European Physical Journal C. 79, 8, 26 p., 706.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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4 Citations (Scopus)

XXVIIth International Conference on Ultrarelativistic Nucleus–Nucleus Collisions (Quark Matter 2018): LHCb Collaboration

LHCb collaboration, 1 Feb 2019, In : Nuclear Physics A. 982, p. 1040-1050 11 p.

Research output: Contribution to journalArticleOtherpeer-review

Open Access
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2018

A measurement of the CP asymmetry difference between Λc+pK − K+ and pππ+ decays

The LHCb Collaboration, 2018, In : Journal of High Energy Physics. 2018, 3, 21 p., 182.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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6 Citations (Scopus)

Amplitude Analysis of the Decay B-0 → KS0 π+π- and First Observation of the CP Asymmetry in B-0 →K (892)-π+

LHCb collaboration, 2018, In : Physical Review Letters. 120, 26, 10 p., 261801.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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5 Citations (Scopus)