James Walder - Publications & Outputs - Research Portal

Dr James Walder

Formerly at Lancaster University

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2023
Published
Measurement of the inclusive Formula Presented production cross section in the lepton+jets channel in pp collisions at Formula Presented with the ATLAS detector using support vector machines
ATLAS Collaboration, Parker, A., Tee, A., Walder, J. & Whitmore, B., 18/08/2023, In: Physical Review D. 108, 3, 032014.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Published
Measurement of the top-quark mass using a leptonic invariant mass in pp collisions at √s = 13 TeV with the ATLAS detector
ATLAS Collaboration, Tee, A. S., Walder, J. & Whitmore, B., 5/06/2023, In: Journal of High Energy Physics. 2023, 6, 19.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
2021
Published
Measurements of sensor radiation damage in the ATLAS inner detector using leakage currents
ATLAS Collaboration, 11/08/2021, In: Journal of Instrumentation. 16, 8, 46 p., P08025.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
2019
Published
Measurement of photon–jet transverse momentum correlations in 5.02 TeV Pb + Pb and pp collisions with ATLAS
Collaboration, A., Borissov, G., Bouhova-Thacker, E. V., Burke, S., Cao, Y., Catmore, J. R., Dewhurst, A. L., Fox, H., Grimm, K. A. T., Henderson, R. C. W., Hunter, R., Janssen, J-T., Jones, R. W. L., Kartvelishvili, V., Kim, Y., Long, R. E., Love, P. A., Ma, Y., Meng, X., Muenstermann, D. M. A., & 11 othersPrice, D., Sen, S., Smizanska, M., Solovyev, V. A., Sopczak, A., Tee, A., Walder, J. W., Wharton, A. M., Whitmore, B., Yamazaki, Y. & Ye, S., 10/02/2019, In: Physics Letters B. 789, p. 167-190 24 p.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Published
Erratum to: Measurement of the W boson polarisation in t t ¯ events from pp collisions at √ s = 8 TeV in the lepton + jets channel with ATLAS (The European Physical Journal C, (2017), 77, 4, (264), 10.1140/epjc/s10052-017-4819-4)
The ATLAS collaboration, Barton, A. E., Beattie, M., Bertram, I. A., Borissov, G., Bouhova-Thacker, E. V., Burke, S., Catmore, J. R., Cheatham, S., Dearnaley, W., Dewhurst, A. L., Fox, H., Grimm, K. A. T., Henderson, R. C. W., Hughes, G., Janssen, J-T., Jones, R. W. L., Kartvelishvili, V., Kim, H., Kim, Y., & 15 othersLong, R. E., Love, P. A., Ma, Y., Maddocks, H., Meng, X., Muenstermann, D. M. A., Price, D., Skinner, M., Smizanska, M., Solovyev, V. A., Sopczak, A., Walder, J. W., Wharton, A. M., Yamazaki, Y. & Ye, S., 01/2019, In: European Physical Journal D. 79, 1, p. 1-14 14 p., 19.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
2018
Published
Combined measurement of differential and total cross sections in the H→γγ and the H→ZZ∗→4ℓ decay channels at √s=13 TeV with the ATLAS detector
The ATLAS collaboration, 10/11/2018, In: Physics Letters B. 786, p. 114-133 20 p.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Published
Constraints on off-shell Higgs boson production and the Higgs boson total width in ZZ → 4ℓ and ZZ → 2ℓ2ν final states with the ATLAS detector
The ATLAS collaboration, 10/11/2018, In: Physics Letters B. 786, p. 223-244 22 p.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Published
Observation of H→bb¯ decays and VH production with the ATLAS detector
The ATLAS collaboration, 10/11/2018, In: Physics Letters B. 786, p. 59-86 28 p.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Published
Searches for exclusive Higgs and Z boson decays into J/ψ γ, ψ(2S) γ, and ϒ(nS) γ at √s=13 TeV with the ATLAS detector
The ATLAS collaboration, 10/11/2018, In: Physics Letters B. 786, p. 134-155 22 p.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Published
Search for resonant and non-resonant Higgs boson pair production in the ${b\bar{b}\tau^+\tau^-}$ decay channel in $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector
The ATLAS collaboration, Barton, A. E., Bertram, I. A., Borissov, G., Bouhova-Thacker, E. V., Fox, H., Henderson, R. C. W., Jones, R. W. L., Kartvelishvili, V., Long, R. E., Love, P. A., Muenstermann, D. M. A., Parker, A. J., Ristić, B., Smizanska, M., Tee, A., Walder, J. W., Wharton, A. M. & Whitmore, B., 9/11/2018, In: Physical review letters. 121, 19, 24 p., 191801.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Published
Search for R-parity-violating supersymmetric particles in multi-jet ﬁnal states produced in p–p collisions at √s=13 TeV using the ATLAS detector at the LHC
The ATLAS collaboration, 10/10/2018, In: Physics Letters B. 785, p. 136-158 23 p.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Published
Angular analysis of Bd0→K∗μ+μ− decays in pp collisions at √s=8 TeV with the ATLAS detector
The ATLAS collaboration, 8/10/2018, In: Journal of High Energy Physics. 2018, 10, 47 p., 47.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Published
Search for the Higgs boson produced in association with a vector boson and decaying into two spin-zero particles in the H→aa→4b channel in pp collisions at √s=13 TeV with the ATLAS detector
The ATLAS collaboration, 4/10/2018, In: Journal of High Energy Physics. 2018, 10, 48 p., 31.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Published
Prompt and non-prompt J/ψ elliptic flow in Pb+Pb collisions at √sNN=5.02 Tev with the ATLAS detector
The ATLAS collaboration, 27/09/2018, In: European Physical Journal C: Particles and Fields. 78, 9, 23 p., 784.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Published
Combination of searches for heavy resonances decaying into bosonic and leptonic final states using 36 fb−1 of proton-proton collision data at √s=13 TeV with the ATLAS detector
The ATLAS collaboration, 26/09/2018, In: Physical Review D. 98, 5, 32 p., 052008.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Published
Search for charged Higgs bosons decaying via H± → τ±ντ in the τ+jets and τ+lepton final states with 36 fb−1 of pp collision data recorded at √s=13 TeV with the ATLAS experiment
The ATLAS collaboration, 25/09/2018, In: Journal of High Energy Physics. 2018, 9, 48 p., 139.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Published
Prompt and non-prompt J/ψ and ψ(2S) suppression at high transverse momentum in 5.02 TeV Pb+Pb collisions with the ATLAS experiment
The ATLAS collaboration, 21/09/2018, In: European Physical Journal C: Particles and Fields. 78, 9, 28 p., 762.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Published
Measurement of the Higgs boson mass in the H → ZZ⁎ → 4ℓ and H → γγ channels with √s=13 TeV pp collisions using the ATLAS detector
The ATLAS collaboration, 10/09/2018, In: Physics Letters B. 784, p. 345-366 22 p.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Published
Observation of Higgs boson production in association with a top quark pair at the LHC with the ATLAS detector
The ATLAS collaboration, 10/09/2018, In: Physics Letters B. 784, p. 173-191 19 p.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Published
Search for Higgs bosons produced via vector-boson fusion and decaying into bottom quark pairs in √s=13 TeV pp collisions with the ATLAS detector
The ATLAS collaboration, 10/09/2018, In: Physical Review D. 98, 5, 29 p., 052003.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Published
Search for supersymmetry in final states with charm jets and missing transverse momentum in 13 TeV pp collisions with the ATLAS detector
The ATLAS collaboration, 10/09/2018, In: Journal of High Energy Physics. 2018, 9, 44 p., 50.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Published
Search for resonances in the mass distribution of jet pairs with one or two jets identified as b-jets in proton-proton collisions at √s=13 TeV with the ATLAS detector
The ATLAS collaboration, 30/08/2018, In: Physical Review D. 98, 3, 24 p., 032016.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Published
Measurement of the Soft-Drop Jet Mass in pp Collisions at √s=13 TeV with the ATLAS Detector
The ATLAS collaboration, 28/08/2018, In: Physical review letters. 121, 9, 21 p., 092001.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Published
Search for heavy resonances decaying to a photon and a hadronically decaying Z/W/H boson in pp collisions at √s=13 TeV with the ATLAS detector
The ATLAS collaboration, 28/08/2018, In: Physical Review D. 98, 3, 29 p., 032015.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Published
Search for low-mass dijet resonances using trigger-level jets with the ATLAS detector in pp collisions at √s=13 TeV
The ATLAS collaboration, 22/08/2018, In: Physical review letters. 121, 8, 20 p., 081801.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Published
Measurement of jet fragmentation in Pb+Pb and pp collisions at √sNN=5.02 TeV with the ATLAS detector
The ATLAS collaboration, 16/08/2018, In: Physical Review C. 98, 2, 34 p., 024908.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Published
Measurements of b-jet tagging efficiency with the ATLAS detector using tt¯ events at √s=13 TeV
The ATLAS collaboration, 16/08/2018, In: Journal of High Energy Physics. 2018, 8, 47 p., 89.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Published
Search for top squarks decaying to tau sleptons in pp collisions at √s=13 TeV with the ATLAS detector
The ATLAS collaboration, 16/08/2018, In: Physical Review D. 98, 3, 33 p., 032008.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Published
Search for supersymmetry in events with four or more leptons in √s=13 TeV pp collisions with ATLAS
The ATLAS collaboration, 15/08/2018, In: Physical Review D. 98, 3, 31 p., 032009.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Published
Search for a heavy Higgs boson decaying into a Z boson and another heavy Higgs boson in the ℓℓbb ﬁnal state in pp collisions at √s =13 TeV with the ATLAS detector
The ATLAS collaboration, 10/08/2018, In: Physics Letters B. 783, p. 392-414 23 p.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Published
Search for pair production of heavy vector-like quarks decaying into high-pT W bosons and top quarks in the lepton-plus-jets final state in pp collisions at √s=13 TeV with the ATLAS detector
The ATLAS collaboration, 10/08/2018, In: Journal of High Energy Physics. 2018, 8, 41 p., 48.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Published
Search for flavor-changing neutral currents in top quark decays t→Hc and t→Hu in multilepton final states in proton-proton collisions at √s=13 TeV with the ATLAS detector
The ATLAS collaboration, 6/08/2018, In: Physical Review D. 98, 3, 25 p., 032002.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Published
Search for new phenomena using the invariant mass distribution of same-flavour opposite-sign dilepton pairs in events with missing transverse momentum in √s=13 Te pp collisions with the ATLAS detector
The ATLAS collaboration, 6/08/2018, In: European Physical Journal C: Particles and Fields. 78, 8, 38 p., 625.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Published
Search for flavour-changing neutral current top-quark decays t→qZ in proton-proton collisions at √s=13 TeV with the ATLAS detector
The ATLAS collaboration, 31/07/2018, In: Journal of High Energy Physics. 2018, 7, 41 p., 176.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Published
Measurements of tt¯ differential cross-sections of highly boosted top quarks decaying to all-hadronic final states in pp collisions at √s=13 TeV using the ATLAS detector
The ATLAS collaboration, 25/07/2018, In: Physical Review D. 98, 1, 39 p., 012003.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Published
Search for exclusive Higgs and Z boson decays to ϕγ and ργ with the ATLAS detector
The ATLAS collaboration, 19/07/2018, In: Journal of High Energy Physics. 2018, 127, 37 p., 127.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Published
Measurement of jet fragmentation in 5.02 TeV proton–lead and proton–proton collisions with the ATLAS detector
The ATLAS collaboration, 17/07/2018, In: Nuclear Physics A. 978, p. 65-106 42 p.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Published
Search for pair production of up-type vector-like quarks and for four-top-quark events in final states with multiple b-jets with the ATLAS detector
The ATLAS collaboration, 12/07/2018, In: Journal of High Energy Physics. 2018, 7, 68 p., 89.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Published
Search for Higgs boson decays into pairs of light (pseudo)scalar particles in the γγjj ﬁnal state in pp collisions at √s=13 TeV with the ATLAS detector
The ATLAS collaboration, 10/07/2018, In: Physics Letters B. 782, p. 750-767 18 p.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Published
Search for heavy particles decaying into top-quark pairs using lepton-plus-jets events in proton–proton collisions at √s=13 TeV with the ATLAS detector
The ATLAS collaboration & Ferrando, J., 9/07/2018, In: European Physical Journal C: Particles and Fields. 78, 7, 39 p., 565.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Published
Search for Higgs boson decays to beyond-the-Standard-Model light bosons in four-lepton events with the ATLAS detector at √s=13 TeV
The ATLAS collaboration, 29/06/2018, In: Journal of High Energy Physics. 2018, 6, 51 p., 166.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Published
Search for supersymmetry in final states with missing transverse momentum and multiple b-jets in proton-proton collisions at √s=13 TeV with the ATLAS detector
The ATLAS collaboration, 21/06/2018, In: Journal of High Energy Physics. 2018, 6, 58 p., 107.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Published
Search for top-squark pair production in final states with one lepton, jets, and missing transverse momentum using 36 fb−1 of √s=13 TeV pp collision data with the ATLAS detector
The ATLAS collaboration, 21/06/2018, In: Journal of High Energy Physics. 2018, 6, 96 p., 108.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Published
Measurement of the inclusive and fiducial tt¯ production cross-sections in the lepton+jets channel in pp collisions at √s=8 TeV with the ATLAS detector
The ATLAS collaboration, 12/06/2018, In: European Physical Journal C: Particles and Fields. 78, 6, 31 p., 487.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Published
Measurement of the production cross section of three isolated photons in pp collisions at √s=8 TeV using the ATLAS detector
The ATLAS collaboration, 10/06/2018, In: Physics Letters B. 781, p. 55-76 22 p.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Published
Search for W′→tb decays in the hadronic final state using pp collisions at √s=13 TeV with the ATLAS detector
The ATLAS collaboration, 10/06/2018, In: Physics Letters B. 781, p. 327-348 22 p.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Published
Search for squarks and gluinos in final states with jets and missing transverse momentum using 36 fb−1 of √s=13 TeV pp collision data with the ATLAS detector
The ATLAS collaboration, 6/06/2018, In: Physical Review D. 97, 11, 47 p., 112001.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Published
Search for long-lived charginos based on a disappearing-track signature in pp collisions at √s=13 TeV with the ATLAS detector
The ATLAS collaboration, 5/06/2018, In: Journal of High Energy Physics. 2018, 6, 48 p., 22.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Published
Measurement of inclusive jet and dijet cross-sections in proton-proton collisions at √s=13 TeV with the ATLAS detector
The ATLAS collaboration, 30/05/2018, In: Journal of High Energy Physics. 2018, 5, 47 p., 195.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Published
Search for a new heavy gauge-boson resonance decaying into a lepton and missing transverse momentum in 36 fb−1 of pp collisions at √s=13 TeV with the ATLAS experiment
The ATLAS collaboration, 22/05/2018, In: European Physical Journal C: Particles and Fields. 78, 5, 23 p., 401.
Research output: Contribution to Journal/Magazine › Journal article › peer-review

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