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  • E-mailGerald.Eigen@uib.no
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Academic article
  • 2010. Study of B -> X gamma decays and determination of vertical bar V-td/V-ts vertical bar. Physical Review D. Particles and fields. 8 pages.
  • 2010. Searches for Lepton Flavor Violation in the Decays tau(+/-) -> e(+/-)gamma and tau(+/-) -> mu(+/-)gamma. Physical Review Letters. 7 pages.
  • 2010. Search for New Particles in Two-Jet Final States in 7 TeV Proton-Proton Collisions with the ATLAS Detector at the LHC. Physical Review Letters. 7 pages.
  • 2010. Search for B+ -> l(+)nu(l) recoiling against B- -> D(0)l(-)(nu)over-barX. Physical Review D. Particles and fields. 9 pages.
  • 2010. Observation of the decay (B)over-bar(0) -> Lambda(+)(c)(p)over-bar pi(0). Physical Review D. Particles and fields. 8 pages.
  • 2010. Observation of the chi(c2)(2P) meson in the reaction gamma gamma -> D(D)over-bar at BABAR. Physical Review D. Particles and fields. 16 pages.
  • 2010. Observation of inclusive D*(+/-) production in the decay of Y(1S). Physical Review D. Particles and fields. 8 pages.
  • 2010. Measurement of vertical bar V-cb vertical bar and the Form-Factor Slope in (B)over-bar -> Dl(-) (nu)over-bar(l) Decays in Events Tagged by a Fully Reconstructed B Meson. Physical Review Letters. 7 pages.
  • 2010. Measurement and interpretation of moments in inclusive semileptonic decays (B)over-bar -> Xcl(nu)over-bar. Physical Review D. Particles and fields. 25 pages.
  • 2010. Limits on tau lepton-flavor violating decays into three charged leptons. Physical Review D. Particles and fields. 8 pages.
  • 2010. Evidence for the decay X(3872) -> J/psi omega. Physical Review D. Particles and fields. 8 pages.
  • 2010. Construction and commissioning of the CALICE analog hadron calorimeter prototype. Journal of Instrumentation. 37 pages.
  • 2009. Time-dependent amplitude analysis of B-0 -> K-S(0)pi(+)pi(-). Physical Review D. Particles and fields. 28 pages.
  • 2009. Study of D-sJ decays to (DK)-K-* in inclusive e(+)e(-) interactions. Physical Review D. Particles and fields. 12 pages.
  • 2009. Search for a Low-Mass Higgs Boson in Upsilon(3S) -> gamma A(0), A(0) -> tau(+) tau(-) at BABAR. Physical Review Letters. 7 pages.
  • 2009. Search for Invisible Decays of the Upsilon(1S). Physical Review Letters. 7 pages.
  • 2009. Precise Measurement of the e(+)e(-)->pi(+)pi(-)(gamma) Cross Section with the Initial State Radiation Method at BABAR. Physical Review Letters. 7 pages.
  • 2009. Observation and polarization measurement of B-0 -> a(1)(1260)(+)a(1)(1260)(-) decay. Physical Review D. Particles and fields. 8 pages.
  • 2009. Model-independent search for the decay B+-> l(+)nu(l)gamma. Physical Review D. Particles and fields. 8 pages.
  • 2009. Measurements of the tau mass and the mass difference of the tau(+) and tau(-) at BABAR. Physical Review D. Particles and fields. 13 pages.
  • 2009. Measurement of D-0-D-0 Mixing from a Time-Dependent Amplitude Analysis of D-0 -> K+pi(-)pi(0) Decays. Physical Review Letters. 8 pages.
  • 2009. Measurement of D-0-(D)over-bar(0) mixing using the ratio of lifetimes for the decays D-0 -> K-pi(+) and K+K-. Physical Review D. Particles and fields. 8 pages.
  • 2009. Measurement of CP violation observables and parameters for the decays B-+/--> DK*+/-. Physical Review D. Particles and fields. 14 pages.
  • 2009. Measurement of B -> K-*(892)gamma Branching Fractions and CP and Isospin Asymmetries. Physical Review Letters. 7 pages.
  • 2009. B meson decays to charmless meson pairs containing eta or eta' mesons. Physical Review D. Particles and fields. 11 pages.
  • 2008. Study of b-quark mass effects in multijet topologies with the DELPHI detector at LEP. European Physical Journal C. 525-538.
  • 2008. Study of W-boson polarisations and triple gauge boson couplings in the reaction e(+)e(-)-> W+W- at LEP 2. European Physical Journal C. 345-364.
  • 2008. Measurement of the mass and width of the W boson in e(+) e(-) collisions at root s=161-209 GeV. European Physical Journal C. 1-38.
  • 2007. Z gamma* production in e(+) e(-) interactions at root s=183-209 GeV. European Physical Journal C. 503-523.
  • 2007. Vector-tensor and vector-vector decay amplitude analysis of B-0 ->phi K*0. Physical Review Letters.
  • 2007. Study of triple-gauge-boson couplings ZZZ, ZZ gamma and z gamma gamma at LEP. European Physical Journal C. 525-542.
  • 2007. Study of B-0 ->pi(0)pi(0), B-+/-->pi(+/-)pi(0), and B-+/--> K-+/-pi(0) decays, and isospin analysis of B ->pi pi decays. Physical Review D. Particles and fields. 9 pages.
  • 2007. Study of B-0 -> rho(+)rho(-) decays and constraints on the CKM angle alpha. Physical Review D. Particles and fields. 21 pages.
  • 2007. Search for the decay B+-> K+tau(-/+)mu(+/-). Physical Review Letters. 7 pages.
  • 2007. Observation of the decay B+-> K+K-pi(+). Physical Review Letters. 7 pages.
  • 2007. Observation of CP violation in B ->eta/K-0 decays. Physical Review Letters. 7 pages.
  • 2007. Observation of B ->eta ' K-* and evidence for B+->eta ' p(+). Physical Review Letters.
  • 2007. Measurements of CP-Violating asymmetries in the decay B-0 ->(K+K-K0). Physical Review Letters. 7 pages.
  • 2007. Measurement of CP-Violating asymmetries in B-0 ->(DD -/+)-D-(*)+/-. Physical Review Letters. 7 pages.
  • 2007. Measurement of B decays to phi K gamma. Physical Review D. Particles and fields.
  • 2007. Investigation of colour reconnection in WW events with the DELPHI detector at LEP-2. European Physical Journal C. 249-269.
  • 2007. Evidence for the rare decay B+ -> D-s(+) pi(0). Physical Review Letters.
  • 2007. Evidence for D-0-(D)over-bar(0) mixing. Physical Review Letters.
  • 2007. Evidence for B-0 ->rho(0)rho(0) decays and implications for the Cabibbo-Kobayashi-Maskawa angle alpha. Physical Review Letters.
  • 2007. Branching fraction measurements of B+->rho(+)gamma, B-0 ->rho(0)gamma, and B-0 ->omega gamma. Physical Review Letters.
  • 2007. Branching fraction measurement of (B)over-bar(0)-> D(*)+pi(-) and B--> D-(*)0 pi(-) and isospin analysis of (B)over-bar ->D-(*)pi decays. Physical Review D. Particles and fields.
  • 2007. Branching fraction and charge asymmetry measurements in B -> J/psi pi pi decays. Physical Review D. Particles and fields. 031101.
  • 2007. Branching fraction and CP-violation charge asymmetry measurements for B-meson decays to eta K-+/-, eta pi(+/-), eta ' K, eta 'pi(+/-), omega K, and omega pi(+/-). Physical Review D. Particles and fields. 8 pages.
  • 2007. Amplitude analysis of the B-+/-->phi K*(892)(+/-) decay. Physical Review Letters. 7 pages.
  • 2006. Single intermediate vector boson production in e(+)e(-) collisions at root s=183-209 GeV. European Physical Journal C. 273-289.
  • 2006. Search for the decay of a B-0 or (B)over-bar(0) meson to (K)over-bar(*0)K(0) or K-*0(K)over-bar(0). Physical Review D. Particles and fields. 072008.
  • 2006. Search for the decay B-0 ->(KSKSKL0)-K-0-K-0. Physical Review D. Particles and fields. 032005.
  • 2006. Search for the charmed pentaquark candidate Theta(c)(3100)(0) in e(+)e(-) annihilations at root s=10.58 GeV. Physical Review D. Particles and fields. 091101.
  • 2006. Search for doubly charmed baryons Xi(+)(cc) and Xi(++)(cc) in BABAR. Physical Review D. Particles and fields. 011103.
  • 2006. Search for B+->phi pi(+) and B-0 ->phi pi(0) decays. Physical Review D. Particles and fields. 8 pages.
  • 2006. Observation of the exclusive reaction e(+)e(-)->phi eta at root s=10.58 GeV. Physical Review D. Particles and fields. 111103.
  • 2006. Measurement of the absolute branching fractions B -> D pi, D-*pi, D-**pi with a missing mass method. Physical Review D. Particles and fields. 111102.
  • 2006. Measurement of branching fractions and charge asymmetries in B decays to an eta meson and a K-* meson. Physical Review Letters. 201802.
  • 2006. A determination of the centre-of-mass energy at LEP2 using radiative two-fermion events. European Physical Journal C. 295-305.
  • 1999. W pair production cross section and W branching fractions in e+e- interactions at 183 GeV. Physics Letters B. 310-321.
  • 1999. The scale dependence of the hadron multiplicity in quark and gluon jets and a precisedetermination of CA/CF. Physics Letters B. 383-400.
  • 1999. Search for the Higgs boson in events with isolated photons at LEP2. Physics Letters B. 431-446.
  • 1999. Search for scalar fermions and longlived scalar leptons at centre-of-mass energies of 130 GeV to 172 GeV. European Physical Journal C. 385-401.
  • 1999. Search for pairproduced neutralinos in events with two photons and missing energy at sqrt s = 130-183 GeV. European Physical Journal C. 371-384.
  • 1999. Search for neutral Higgs bosons in e+e- collisions at sqrt s = 183 GeV. European Physical Journal C. 563-604.
  • 1999. Search for leptoquarks and FCNC in e+e- annihilations at sqrt s = 183 GeV. Physics Letters B. 62-74.
  • 1999. Search for composite and exotic fermions at LEP2. European Physical Journal C. 41-58.
  • 1999. Search for charginos nearly mass-degenerate with the lightest neutralino. European Physical Journal C. 1-17.
  • 1999. Search for chargino pair production in light gravitino scenarios with stau NLSP at sqrt s = 183 GeV at LEP. Physics Letters B. 61-70.
  • 1999. Search for charged Higgs bosons at LEP2. Physics Letters B. 484-497.
  • 1999. Multiplicity fluctuations in one- and two-dimensional angular intervals compared with analytic QCD calculations. Physics Letters B. 368-382.
  • 1999. Measurement of the trilinear gauge boson couplings WWV (V=gamma,Z) in e+e- collisions at 183 GeV. Physics Letters B. 382-396.
  • 1999. Measurement of the rate bbbar bbbar events in hadronic Z decays and the extraction of the gluon splitting into bbbar. Physics Letters B. 425-439.
  • 1999. Measurement of the mass of the W boson using direct reconstruction at sqrt s = 183 GeV. Physics Letters B. 410-424.
  • 1999. Measurement of the lifetime og b-baryons. European Physical Journal C. 185-199.
  • 1999. Measurement of the leptonic branching fractions of the tau. European Physical Journal C. 201-218.
  • 1999. Measurement of the forward-backward asymmetry of c and b quarks at the Z pole using reconstructed D mesons. European Physical Journal C. 219-237.
  • 1999. Measurement of inclusive rho, f0(1270), K*0(1439), and f'(1525) production in Z0 decays. Physics Letters B. 364-382.
  • 1999. Measurement and interpretation of fermion-pair production at LEP energies from 130 to 172 GeV. European Physical Journal C. 387-407.
  • 1999. Energy dependence of event shapes and of alpha s at LEP2. Physics Letters B. 322-340.
  • 1999. A search for invisible Higgs bosons produced in e+e- interactions at LEP2 energies. Physics Letters B. 367-381.
  • 1999. A precise measurement of the partial decay width ratio Rb = Gamma(bbar)/Gamma(had). European Physical Journal C. 415-442.
  • 1998. Search for neutral and charged Higgs bosons in e e collisions at sqrt s = 161 and 172 GeV. European Physical Journal C. 1-37.
  • 1998. Rapidity correlations in lambda baryon and proton production in hadronic Z0 decays. Physics Letters B. 247-256.
  • 1998. Measurement of the Branching Fractions of Lambda(c)+ ---> p anti-k n (pion). Phys.Rev.. 4467-4470.
  • 1998. Further Search for the two Photon Production of the Glueball Candidate f(j)(2220). Phys.Rev.Lett.. 3328-3332.
  • 1998. First Search for cp Violation in tau Lepton Decay. Phys.Rev.Lett. 3823-3827.
  • 1998. First Observation of the Cabibbo Suppressed Decay b+ ---> anti-d0 k+. Phys.Rev.Lett.80. 5493-5497.
  • 1998. Charged particle multiplicity in e<sup>+</sup>e<sup>-</sup> @h q#-q events at 161 and 172 GeV and from the decay of the W boson. Physics Letters B. 233-246.
  • 1997. The inclusive decays B --> D X and B --> D* X. Phys. Rev. D. 3783-3802.
  • 1997. Study of the B-0 semileptonic decay spectrum at the Y(4S) resonance. Phys. Lett. B. 321-328.
  • 1997. Study of semileptonic decays of B mesons to charmed baryons. Phys. Rev. D. 6604-6608.
  • 1997. Study of gluon versus quark fragmentation in upsilon --> G G gamma and E+ E- --> Q anti-Q gamma events at S**(1/2) = 10-GEV. Phys. Rev. D. 17-22.
  • 1997. Search for the decays B0 ---> D*+ D*-. Physical Review Letters. 799-803.
  • 1997. Search for the B<sub>c</sub> Meson. Physics Letters B. 207-222.
  • 1997. Search for neutrinoless tau decays involving pi0 or eta mesons. Physical Review Letters. 1221-1224.
  • 1997. Search for lepton flavour number violating Z%o decays. Zeitschrift für Physik C Particles and Fields. 243-251.
  • 1997. Search for inclusive B ---> S lepton+ lepton-. Physical Review Letters. 2289-2293.
  • 1997. Search for excited leptons in e<sup>+</sup>e<sup>-</sup> collisions at @rs = 161 GeV. Physics Letters B. 245-260.
  • 1997. Search for color suppressed B hadronic decay processes with CLEO. Phys. Rev. D. 5363-5369.
  • 1997. Search for Stable Heavy Charged Particles in e<sup>+</sup>e<sup>-</sup> Collisions at @rs = 130, 136, 161 and 172 GeV. Physics Letters B. 315-326.
  • 1997. Search for New Phenomena Using Single Photon Events at LEP1. Zeitschrift für Physik C Particles and Fields. 577-586.
  • 1997. Search for Neutral Heavy Leptons Produced in Z Decays. Zeitschrift für Physik C Particles and Fields. 57-71.
  • 1997. Search for B<sub>s</sub><sup>0</sup> - #-B<sub>s</sub><sup>0</sup> oscillations. Physics Letters B. 382-400.
  • 1997. Observation, of Charge-Ordering in Particle Production in Hadronic Z%0 Decay. Physics Letters B. 174-184.
  • 1997. Observation of the radiative decay D*+ ---> D+ gamma. Physical Review Letters. 3919-3923.
  • 1997. Observation of exclusive two body B decays to kaons and pions. Physical Review Letters. 3456-3460.
  • 1997. Measurements of the meson - photon transition form-factors of light pseudoscalar mesons at large momentum transfer. Phys. Rev. D. 33-57.
  • 1997. Measurement of the transverse spin correlations in Z%0 @h _t<sup>+</sup>_t<sup>-</sup> decays. Physics Letters B. 194.
  • 1997. Measurement of the Spin Density Matrix for the _r%0, K<sup>*0</sup>(892), and _f Produced in Z%0 Decays. Physics Letters B. 271-286.
  • 1997. Measurement of gluon splitting probability to bottom quark pairs in hadronic Z%0 decays. Physics Letters B. 202-214.
  • 1997. Measurement of branching ratio (D0 ---> K- pi+) using partial reconstruction of anti-B ---> D*+ X lepton- anti-neutrino. Physical Review Letters. 3193-3197.
  • 1997. Measurement of Correlations Between Pions from Different W's in e<sup>+</sup>e<sup>-</sup> @h W<sup>+</sup>W<sup>-</sup> Events. Physics Letters B. 181-191.
  • 1997. Measurement and interpretation of the W-pair cross-section in e<sup>+</sup>e<sup>-</sup> interactions at 161 GeV. Physics Letters B. 158-170.
  • 1997. Measuremen of B<sub>s</sub><sup>0</sup> - #-B<sub>s</sub><sup>0</sup> oscillations. Zeitschrift für Physik C Particles and Fields. 579-598.
  • 1997. Identified Particles in Quark and Gluon Jets. Physics Letters B. 118-130.
  • 1997. Flavor - specific inclusive B decays to charm. Physical Review Letters. 1150-1155.
  • 1997. First observation of inclusive B decays to the charmed strange baryons XI(C)0 and XI(C)+. Physical Review Letters. 3599-3603.
  • 1997. Analyses of D+ --> K(S)0 K+ and D+ ---> K(S)0 pi+. Physical Review Letters. 3261-3265.
  • 1997. A study of the reaction e<sup>+</sup>e<sup>-</sup> @h _m<sup> </sup>_m<sup>-</sup>_g<sub>isr</sub> at LEP and search for new physics near @r(s') = 80 GeV. Zeitschrift für Physik C Particles and Fields. 581-592.
  • 1997. A Measurement of _a<sub>s</sub> from the Scaling Violation in e<sup>+</sup>e<sup>-</sup> Annihilation. Physics Letters B. 194-206.
  • 1996. Study of flavor tagged baryon production in b decay. Phys. Rev. D. 13-18.
  • 1996. Limits on flavor changing neutral currents in D0 meson decays. Physical Review Letters. 3065-3069.
  • 1996. Experimental test of lepton universality in tau decay. Phys. Rev.. 5273-5281.
  • 1996. A measurement of B (D0 ---> K- pi+ pi0) / B (D0 ---> K- pi+). Phys. Lett. B. 334-338.
Academic lecture
  • 2018. Search for invisible dark photon decay at BABAR.
  • 2018. Gain stabilization of SiPMs and afterpulsing.
  • 2018. Gain stabilization of SiPMs.
  • 2018. Gain stabilization of SiPMs.
  • 2018. Detector Physics.
  • 2018. BSM non-SUSY.
  • 2005. Wilson Coefficients Fits for New Physics Contributions in Rare B Decays.
  • 2005. The Merits of Beauty; Constraining the Unitarity triangle.
  • 2005. The Merits of Beauty, Zooming in on the CKM matrix.
  • 2005. The Merits of Beauty, CP violation measurements.
  • 2005. The BABAR experiment.
  • 2005. Determination of Wilson Coefficients from Data.
  • 2005. Calorimetery at the ILC.
  • 2005. CP Violation Measurements in the B0 B0 bar System, Test of Unitarity Triangle.
  • 2005. CP Violation Measurements in the B0 B0 bar System, Status and Outlook of B Factories.
  • 2005. CP Violation Measurements in the B0 B0 bar System.
  • 2005. Beam Test Studies of Analog HCAL with APD Readout.
  • 2004. SiPM TECHNOLOGY FOR CALORIMETRY.
  • 2004. STUDY OF B->J/PSI K PI.
  • 2004. STATUS OF THE ANALOG TILE HCAL R $\&$ D.
  • 2004. READOUT STUDIES WITH AN ANALOG HADRONIC CALORIMETER \.
  • 2004. READOUT STUDIES WITH AN ANALOG HADRONIC CALORIMETER.
  • 2004. PERFORMANCE OF THE DESY MINICAL AND THE DESIGN OF A PHYSICS PROTOTYPE.
  • 2004. MODEL INDEPENDENT ANALYSIS OF THE CKM MATRIX.
  • 2004. MODEL INDEPENDENT ANALYSIS OF CKM PARAMETERS.
  • 2004. MINICAL BEAMTESTS WITH APD READOUT.
  • 2004. GLOBAL FITS OF THE CKM MATRIX.
  • 2004. APD READOUT STUDIES WITH THE MINICAL WITH TESTBEAM DATA.
  • 2004. APD READOUT STUDIES WITH THE MINICAL.
  • 2004. ACCOMPLISHMENTS AND FUTURE PHYSICS PLANS.
  • 2003. model-independent analysis of the unitarity triangle.
  • 2003. Summary of the world-wide calorimeter project day.
  • 2003. Summary of the world-wide calorimeter project day.
  • 2003. Sensitivity of CKM fits to theoretical uncertainties and their representation,.
  • 2003. SENSITIVITY TO NEW PHYSICS FROM GLOBAL FITS OF THE UNITARITY TRIANGLE.
  • 2003. Report from calorimeter day.
  • 2003. Probing the CKM Triangle at BABAR.
  • 2003. Plans for a 10E36 B-factory at SLAC.
  • 2003. Penguin Decays from BABAR,.
  • 2003. Global Fits of the CKM matrix.
  • 2002. Update of the Scanning Method.
  • 2002. UT-Fit Scanning Method.
  • 2002. Report of Snowmass Working group E2: Electron-Positron Colliders from Phi to Z.
  • 2002. Rare Decays including Penguins.
  • 2002. Radiative Penguin Decays - Recent Results from BABAR, Belle and Cleo and Implications for New Physics.
  • 2002. Physics and Detector Issues at a High Luminosity $B$ Factory.
  • 2002. Indirect Investigations of Supersymmetry.
  • 2002. CP Violation - New Results from BABAR and BELLE.
  • 2001. \CP Violation - a Key to Understanding the Origin of our Universe.
  • 2001. \CP Violation - a Key to Understanding the Origin of our Universe.
  • 2001. \CP Verletzung - ein Fenster zum Ursprung unseres Universums.
  • 2001. Symmetrien und ihre Bedeutung in der Physik.
  • 2001. Status and Expectations for Radiative Penguin Decays.
  • 2001. PHYSICS AT A 10**36 ASYMMETRIC B FACTORY.
  • 2001. Detectors at high Luminosity $e^+ e^-$ colliders.
  • 2001. Detectors as a Function of Luminosity at $e^+ e^-$ Machines.
  • 2001. CP violation in the B system.
  • 2001. CP Violation - a Key to Understanding the Origin of our Universe.
  • 2001. CLEO's Analysis on Hadronic Mass Moments in Semileptonic B Decays.
  • 2000. a Key to Understanding the Origin of our Universe.
  • 2000. \CP Violation - a Key to Understanding the Origin of our Universe.
  • 2000. \CP Verletzung - ein Fenster zum Ursprung unseres Universums.
  • 1998. Measurements of b ---> x(s) Gamma and Study of b ---> x(s) lepton+ lepton-.
  • 1997. Review of b Flavored Hadron Spectroscopy.
  • 1997. Review of B hadron spectroscopy.
  • 1996. Searches for prompt heavy quarkonia & B+(C) mesons and evidence for radially excited b mesons in Z0 decays.
Abstract
  • 2019. ATLAS Collaboration. Nuclear Physics A. 985-1009.
Academic literature review
  • 2016. Performance of b-jet identification in the ATLAS experiment.
  • 2014. The physics of the B factories. 1-928.
  • 2013. Electroweak measurements in electron positron collisions at W-boson-pair energies at LEP. 119-244.
  • 2010. Flavor physics in the quark sector. 197-414.
  • 2008. The ATLAS Experiment at the CERN Large Hadron Collider.
  • 2008. B, D and K decays. 309-492.
  • 2006. Search for neutral MSSM Higgs bosons at LEP. 547-587.
  • 2006. Precision electroweak measurements on the Z resonance. 257-454.

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