OCTAVIAN ALEXANDRU SIMA

OCTAVIAN ALEXANDRU SIMA

Universitatea din Bucuresti

H-index: 64

Europe-Romania

About OCTAVIAN ALEXANDRU SIMA

OCTAVIAN ALEXANDRU SIMA, With an exceptional h-index of 64 and a recent h-index of 41 (since 2020), a distinguished researcher at Universitatea din Bucuresti, specializes in the field of Nuclear Physics, Astrophysics, Cosmic Rays, Nuclear Methods.

His recent articles reflect a diverse array of research interests and contributions to the field:

Radio measurements of the depth of air-shower maximum at the Pierre Auger Observatory

Testing hadronic-model predictions of depth of maximum of air-shower profiles and ground-particle signals using hybrid data of the Pierre Auger Observatory

Calibrating GESPECOR model of computing the full-energy peak efficiency of coaxial high-purity germanium detectors by Monte Carlo simulation

A benchmark for Monte Carlo simulations in gamma-ray spectrometry Part II: True coincidence summing correction factors

Impact of the Magnetic Horizon on the Interpretation of the Pierre Auger Observatory Spectrum and Composition Data

Demonstrating Agreement between Radio and Fluorescence Measurements of the Depth of Maximum of Extensive Air Showers at the Pierre Auger Observatory

Constraining models for the origin of ultra-high-energy cosmic rays with a novel combined analysis of arrival directions, spectrum, and composition data measured at the Pierre …

Ground observations of a space laser for the assessment of its in-orbit performance

OCTAVIAN ALEXANDRU SIMA Information

University

Position

Profesor Nuclear Physics Romania

Citations(all)

16500

Citations(since 2020)

7737

Cited By

11103

hIndex(all)

64

hIndex(since 2020)

41

i10Index(all)

220

i10Index(since 2020)

127

Email

University Profile Page

Universitatea din Bucuresti

Google Scholar

View Google Scholar Profile

OCTAVIAN ALEXANDRU SIMA Skills & Research Interests

Nuclear Physics

Astrophysics

Cosmic Rays

Nuclear Methods

Top articles of OCTAVIAN ALEXANDRU SIMA

Title

Journal

Author(s)

Publication Date

Radio measurements of the depth of air-shower maximum at the Pierre Auger Observatory

Physical Review D

A Abdul Halim

P Abreu

M Aglietta

I Allekotte

K Almeida Cheminant

...

2024/1/8

Testing hadronic-model predictions of depth of maximum of air-shower profiles and ground-particle signals using hybrid data of the Pierre Auger Observatory

A Abdul Halim

P Abreu

M Aglietta

I Allekotte

K Almeida Cheminant

...

2024/1/30

Calibrating GESPECOR model of computing the full-energy peak efficiency of coaxial high-purity germanium detectors by Monte Carlo simulation

Applied Radiation and Isotopes

D Gurau

D Stanga

L Done

O Sima

G Ilie

2024/2/1

A benchmark for Monte Carlo simulations in gamma-ray spectrometry Part II: True coincidence summing correction factors

Applied Radiation and Isotopes

M-C Lépy

Cheick Thiam

M Anagnostakis

Ciprian Cosar

A de Blas

...

2024/2/1

Impact of the Magnetic Horizon on the Interpretation of the Pierre Auger Observatory Spectrum and Composition Data

arXiv preprint arXiv:2404.03533

A Abdul Halim

P Abreu

M Aglietta

I Allekotte

K Almeida Cheminant

...

2024/4/4

Demonstrating Agreement between Radio and Fluorescence Measurements of the Depth of Maximum of Extensive Air Showers at the Pierre Auger Observatory

Physical Review Letters

A Abdul Halim

P Abreu

M Aglietta

I Allekotte

K Almeida Cheminant

...

2024/1/8

Constraining models for the origin of ultra-high-energy cosmic rays with a novel combined analysis of arrival directions, spectrum, and composition data measured at the Pierre …

Journal of Cosmology and Astroparticle Physics

A Abdul Halim

Pedro Abreu

Marco Aglietta

Ingomar Allekotte

K Almeida Cheminant

...

2024/1/11

Ground observations of a space laser for the assessment of its in-orbit performance

Optica

Oliver Lux

Isabell Krisch

Oliver Reitebuch

Dorit Huber

Denny Wernham

...

2024/2/20

Computational characterization of coaxial HPGe detectors using Monte Carlo simulation and nonlinear least squares optimization

Romanian Reports in Physics

D Gurau

D Stanga

L Done

O Sima

E Ionescu

2023

Investigating multiple ELVES and halos above strong lightning with the fluorescence detectors of the Pierre Auger Observatory

Roberto Mussa

A Abdul Halim

H Abreu

M Aglietta

T Bister

...

2023

Depth of Maximum of Air-Shower Profiles above 1017.8 eV Measured with the Fluorescence Detector of the Pierre Auger Observatory and Mass Composition Implications

Thomas Fitoussi

A Abdul Halim

H Abreu

M Aglietta

T Bister

...

2023

Limits to gauge coupling in the dark sector set by the nonobservation of instanton-induced decay of super-heavy dark matter in the Pierre Auger Observatory data

Physical review letters

Pedro Abreu

M Aglietta

Justin M Albury

I Allekotte

K Almeida Cheminant

...

2023/2/7

Results from recent analysis of KASCADE-Grande data

SciPost Physics Proceedings

Donghwa Kang

Juan Carlos Arteaga-Velázquez

M Bertaina

Andrea Chiavassa

K Daumiller

...

2023/9/29

Constraining the sources of ultra-high-energy cosmic rays across and above the ankle with the spectrum and composition data measured at the Pierre Auger Observatory

arXiv preprint arXiv:2211.02857

A Abdul Halim

Pedro Abreu

Marco Aglietta

Ingomar Allekotte

K Almeida Cheminant

...

2022/11/5

Uncertainty and covariance matrix of the coincidence-summing correction factors due to decay-data uncertainties

Applied Radiation and Isotopes

Octavian Sima

2023/12/1

Study of downward Terrestrial Gamma-ray Flashes with the surface detector of the Pierre Auger Observatory

38th International Cosmic Ray Conference [also] ICRC2023

Roberta Colalillo

Andrej Filipčič

Jon Paul Lundquist

Shima Ujjani Shivashankara

Samo Stanič

...

2023

Deep-learning-based cosmic-ray mass reconstruction using the water-Cherenkov and scintillation detectors of AugerPrime

38th International Cosmic Ray Conference [also] ICRC2023

Niklas Langner

Andrej Filipčič

Jon Paul Lundquist

Shima Ujjani Shivashankara

Samo Stanič

...

2023

Expected performance of the AugerPrime Radio Detector

Pos proceedings of science

F Schluter

Pedro Abreu

Marco Aglietta

Justin M Albury

Ingomar Allekotte

...

2022

Distribution of 222Rn decay products in a soil sample

Physica Scripta

B Alexandrescu

O Sima

S Ujeniuc

I Pojar

R Suvaila

2023/2/14

The Pierre Auger Observatory Open Data

arXiv preprint arXiv:2309.16294

A Abdul Halim

Pedro Abreu

Marco Aglietta

Ingomar Allekotte

K Almeida Cheminant

...

2023/9/28

See List of Professors in OCTAVIAN ALEXANDRU SIMA University(Universitatea din Bucuresti)