# Detlef Maurel

## Information

Institute: IKP (Institut für Kernphysik)
Room: 425 (Building 101, Campus Nord)
Phone: 24978
Email: detlef.maurel#kit.edu

## Dissertation

Title: Mass composition of ultra-high-energy cosmic rays based on air shower universality
Supervisor: Prof. Dr. Johannes Blümer
Second Supervisor: Prof. Dr. Michael Feindt
Date of defense: 25. 10. 2013

## Talks

• Universality of the time structure of ground particle distributions and its application to the reconstruction of extensive air showers, International Cosmic Ray Conference, Rio de Janeiro, Brazil, 2013
• Update on the muon scale fits based on universality, Auger Analysis Meeting, 2013, Lisbon, Portugal
• Towards estimating the mass on event-by-event basis, Auger MPD Meeting, 2013, Lisbon, Portugal
• Mass composition of cosmic rays with the surface detector of the Pierre Auger Observatory, Frühjahrstagung der DPG, Dresden, 2013
• Fits of the muon scale using universality, Auger Collaboration Meeting, März 2013, Malargüe, Argentina
• Update on universal SD time model and event-by-event fits of Nmu and Xmax, Auger Collaboration Meeting, März 2013, Malargüe, Argentina
• Update on universal SD time model and event-by-event fits of Nmu and Xmax, Auger Collaboration Meeting, November 2012, Malargüe, Argentina
• Towards estimating the mass on event-by-event basis, Auger SDE Meeting, 2012, Paris, France
• SD-based determination of relative muon number, Auger Analysis Workshop, 2012, Prague, Czech Republic
• Update on universal SD time model and event-by-event fits of Nmu and Xmax, Auger Analysis Workshop, 2012, Prague, Czech Republic
• Using time-dependent surface detector data to measure mass-dependent observables, Auger Collaboration Meeting, März 2012, Malargüe, Argentina
• A universal time model for the SD and fits of mass-sensitive parameters, Auger Particle Physics Workshop, 2012, Lisbon, Portugal
• Using time-dependent surface detector data to measure mass-dependent observables of cosmic rays, Frühjahrstagung der DPG, Göttingen, 2012
• Fit of the number of muons on an event-by-event basis, Auger Analysis Meeting, 2011, Santiago de Compostela, Spain
• Mass composition studies with the surface detector at the Pierre Auger Observatory, Frühjahrstagung der DPG, Karlsruhe, 2011
• Mass composition studies with the surface detector: parametrization of component traces, Auger Collaboration Meeting, März 2011, Malargüe, Argentina
• A time model for the surface detector and fits of mass-sensitive parameters, Auger Collaboration Meeting, November 2011, Malargüe, Argentina

## Internal publications of the Pierre Auger collaboration (GAP-Notes)

• Extended shower universality: A model of the time-dependent signal in water Cerenkov tanks (GAP note 2013-022), D. Maurel, M. Ave, J. Gonzalez, M. Roth
• Margin Notes for the Search for Point Sources of EeV Neutrons (GAP note 2012-140), Jose Bellido , Shih-Ho Cheng , Detlef Maurel , Paul Sommers
• Number of muons from Auger data (GAP note 2011-090), M. Ave, R. Engel, J. Gonzalez, I.C. Maris, D. Maurel, and M. Roth
• Prediction of the tank response $S(r,DX,E | \theta, \phi)$ from shower universality (GAP note 2011-087), M. Ave, R. Engel, J. Gonzalez, D.Heck, D. Maurel, T. Pierog, M. Roth
• Tabulated response of the Auger surface detector (GAP note 2011-086), M. Ave, R. Engel, J. Gonzalez, D. Maurel, M. Roth

## Publications as member of the Pierre Auger collaboration

• Constraints on the origin of cosmic rays above \SI{1e18}{eV} from large-scale anisotropy searches in data of the Pierre Auger Observatory. P. Abreu and the Pierre Auger Collaboration. Astrophysical Journal Letters, 762(2013) L13
• Interpretation of the depth of maximum of extensive air showers measured by the Pierre Auger Observatory. P. Abreu and the Pierre Auger Collaboration. Journal of Cosmology and Astroparticle Physics, (2013) Nr.2, 026
• The effect of the geomagnetic field on cosmic ray energy estimates and large scale anisotropy searches on data from the Pierre Auger Observatory P. Abreu and the Pierre Auger Collaboration. Journal of Cosmology and Astroparticle Physics, 2011(2011) 022
• Ultrahigh energy neutrinos at the Pierre Auger observatory. P. Abreu and the Pierre Auger Collaboration. Advances in High Energy Physics, 2013(2013) 708680
• Measurement of cosmic ray air showers using MHz radio-detection techniques at the Pierre Auger Observatory. M. Kleifges and the Pierre Auger Collaboration. Nuclear Instruments and Methods in Physics Research A, 718(2013) 499
• A search for anisotropy in the arrival directions of ultra high energy cosmic rays recorded at the Pierre Auger Observatory. P. Abreu and the Pierre Auger Collaboration. Journal of Cosmology and Astroparticle Physics, (2012) Nr.4, 040
• A search for point sources ef EeV neutrons. P. Abreu and the Pierre Auger Collaboration. The Astrophysical Journal, 760(2012) 1
• Antennas for the detection of radio emission pulses from cosmic-ray induced air showers at the Pierre Auger Observatory. P. Abreu and the Pierre Auger Collaboration. Journal of Instrumentation, 7(2012) P10011
• Description of atmospheric conditions at the Pierre Auger observatory using the global data assimilation system (GDAS). P. Abreu and the Pierre Auger Collaboration. Astroparticle Physics, 35(2012) 591
• Large-scale distribution of arrival directions of cosmic rays detected above SI{1e18}{eV} at the Pierre Auger Observatory. P. Abreu and the Pierre Auger Collaboration. Astrophysical Journal Supplement Series, 203(2012) 34
• Measurement of the proton-air cross section at \SI{57}{TeV} with the Pierre Auger Observatory. P. Abreu and the Pierre Auger Collaboration. Physical Review Letters, 109(2012) 062002
• Search for point-like sources of ultra-high energy neutrinos at the Pierre Auger Observatory and improved limit on the diffuse flux of tau neutrinos. P. Abreu and the Pierre Auger Collaboration. Astrophysical Journal Letters, 755(2012) L4
• Search for signatures of magnetically-induced alignment in the arrival directions measured by the Pierre Auger observatory. P. Abreu and the Pierre Auger Collaboration. Astroparticle Physics, 35(2012) 354
• The lateral trigger probability function for the ultra-high energy cosmic ray showers detected by the Pierre Auger Observatory. P. Abreu and the Pierre Auger Collaboration. Astroparticle Physics, 35(2011) 266
• Results of a self-triggered prototype system for radio-detection of extensive air showers at the Pierre Auger Observatory. S. Acounis, D. Charrier, T. Garcon, C. Riviere, P. Stassi and the Pierre Auger Collaboration. Journal of Instrumentation, 7(2012) P11023
• Latest results from the Pierre Auger Observatory. H. Dembinski and the Pierre Auger Collaboration. Journal of Physics: Conference Series, 337(2012) 012068
• The Auger engineering radio array. B. Fuchs and the Pierre Auger Collaboration. Nuclear Instruments and Method in Physics Research A, 692(2012) 93
• Description of atmospheric conditions at the Pierre Auger Observatory using meteorological measurements and models. B. Keilhauer, M. Will and the Pierre Auger Collaboration. European Physical Journal Plus, 127(2012) 96
• Overview of radio detection of cosmic ray air showers in the MHz range, and prospects for a large scale experiment. M. Melissas and the Pierre Auger Collaboration. Astrophysics and Space Sciences Transactions, 7(2011) 207
• The rapid atmospheric monitoring system of the Pierre Auger Observatory. P. Abreu and the Pierre Auger Collaboration. Journal of Instrumentation, 7(2012) P09001
• Advanced digital self-triggering of radio emission of cosmic rays. C. Rühle and the Pierre Auger Collaboration. Nuclear Instruments and Methods in Physics Research A, 662(2012) S146
• Measurement of the cosmic ray energy spectrum using hybrid events of the Pierre Auger Observatory. M. Settimo and the Pierre Auger Collaboration. European Physical Journal Plus, 127(2012) 87
• Measurement of the energy spectrum of cosmic rays above \SI{1e18}{eV} using the Pierre Auger observatory. J. Abraham and the Pierre Auger Collaboration. Physics Letters B, 685(2010) 239
• Search for ultrahigh neutrinos in highly inclined events at the Pierre Auger Observatory. P. Abreau and the Pierre Auger Collaboration. Physical Review D, 84(2011) 122005