Ranjan Laha

2.3k total citations · 2 hit papers
38 papers, 1.5k citations indexed

About

Ranjan Laha is a scholar working on Nuclear and High Energy Physics, Astronomy and Astrophysics and Atomic and Molecular Physics, and Optics. According to data from OpenAlex, Ranjan Laha has authored 38 papers receiving a total of 1.5k indexed citations (citations by other indexed papers that have themselves been cited), including 35 papers in Nuclear and High Energy Physics, 27 papers in Astronomy and Astrophysics and 4 papers in Atomic and Molecular Physics, and Optics. Recurrent topics in Ranjan Laha's work include Dark Matter and Cosmic Phenomena (29 papers), Cosmology and Gravitation Theories (20 papers) and Astrophysics and Cosmic Phenomena (16 papers). Ranjan Laha is often cited by papers focused on Dark Matter and Cosmic Phenomena (29 papers), Cosmology and Gravitation Theories (20 papers) and Astrophysics and Cosmic Phenomena (16 papers). Ranjan Laha collaborates with scholars based in United States, India and Switzerland. Ranjan Laha's co-authors include Basudeb Dasgupta, Anupam Ray, Julián B. Muñoz, J. F. Beacom, Tracy R. Slatyer, Kohta Murase, Shunsaku Horiuchi, Kenny C. Y. Ng, M. Ahlers and Shin’ichiro Ando and has published in prestigious journals such as Physical Review Letters, Physics Letters B and Journal of High Energy Physics.

In The Last Decade

Ranjan Laha

38 papers receiving 1.4k citations

Hit Papers

Primordial Black Holes as a Dark Matter Candidate Are Sev... 2019 2026 2021 2023 2019 2020 50 100 150
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Primordial Black Holes as a Dark Matter Candidate Are Severely Constrained by the Galactic Center 511 keVγ-Ray Line
    2019 198 citations Ranjan Laha Physical Review Letters profile →
  2. INTEGRALconstraints on primordial black holes and particle dark matter
    2020 174 citations Ranjan Laha, Julián B. Muñoz et al. Physical review. D profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Ranjan Laha United States 21 1.2k 1.0k 103 45 31 38 1.5k
Marco Taoso Italy 23 1.4k 1.2× 1.2k 1.2× 95 0.9× 49 1.1× 42 1.4× 48 1.6k
Francesca Calore France 23 1.3k 1.1× 1.1k 1.1× 60 0.6× 24 0.5× 24 0.8× 76 1.5k
JiJi Fan United States 23 1.4k 1.2× 1.0k 1.0× 113 1.1× 76 1.7× 13 0.4× 53 1.5k
Yanou Cui United States 23 1.3k 1.1× 1.0k 1.0× 78 0.8× 46 1.0× 39 1.3× 48 1.5k
Céline Bœhm France 20 1.3k 1.1× 1.1k 1.0× 59 0.6× 45 1.0× 16 0.5× 35 1.4k
Djuna Croon United Kingdom 17 636 0.5× 743 0.7× 65 0.6× 33 0.7× 31 1.0× 35 857
Jeff A. Dror United States 19 968 0.8× 668 0.6× 175 1.7× 33 0.7× 24 0.8× 36 1.1k
M. Lattanzi Italy 20 1.5k 1.2× 1.2k 1.1× 37 0.4× 40 0.9× 46 1.5× 62 1.6k
Katelin Schutz United States 15 715 0.6× 667 0.6× 162 1.6× 48 1.1× 11 0.4× 25 890
Rebecca K. Leane United States 17 780 0.6× 636 0.6× 139 1.3× 51 1.1× 9 0.3× 32 873

Countries citing papers authored by Ranjan Laha

Since Specialization
Citations

This map shows the geographic impact of Ranjan Laha's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Ranjan Laha with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Ranjan Laha more than expected).

Fields of papers citing papers by Ranjan Laha

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Ranjan Laha. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Ranjan Laha. The network helps show where Ranjan Laha may publish in the future.

Co-authorship network of co-authors of Ranjan Laha

This figure shows the co-authorship network connecting the top 25 collaborators of Ranjan Laha. A scholar is included among the top collaborators of Ranjan Laha based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Ranjan Laha. Ranjan Laha is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Laha, Ranjan, et al.. (2025). Neutrinos from the Sun can discover dark matter-electron scattering. Physical review. D. 112(2). 2 indexed citations
2.
Das, Mousumi, et al.. (2025). First search for high-energy neutrino emission from galaxy mergers. Physical review. D. 111(6). 1 indexed citations
3.
Dubey, Abhishek, et al.. (2024). Bounds on ultralight bosons from the Event Horizon Telescope observation of Sgr A$$^*$$. The European Physical Journal C. 84(9). 4 indexed citations
4.
Laha, Ranjan, et al.. (2024). Cosmic-ray boosted dark matter in Xe-based direct detection experiments. The European Physical Journal C. 84(2). 18 indexed citations
5.
6.
Dasgupta, Basudeb, et al.. (2023). Can LIGO Detect Nonannihilating Dark Matter?. Physical Review Letters. 131(9). 91401–91401. 37 indexed citations
7.
Laha, Ranjan, et al.. (2023). Dark matter substructures affect dark matter-electron scattering in xenon-based direct detection experiments. Journal of High Energy Physics. 2023(2). 14 indexed citations
8.
Ray, Anupam, Ranjan Laha, Julián B. Muñoz, & R. Caputo. (2021). Near future MeV telescopes can discover asteroid-mass primordial black hole dark matter. Physical review. D. 104(2). 82 indexed citations
9.
Laha, Ranjan, Philip Lu, & Volodymyr Takhistov. (2021). Gas heating from spinning and non-spinning evaporating primordial black holes. Physics Letters B. 820. 136459–136459. 36 indexed citations
10.
Laha, Ranjan, Julián B. Muñoz, & Tracy R. Slatyer. (2020). INTEGRALconstraints on primordial black holes and particle dark matter. Physical review. D. 101(12). 174 indexed citations breakdown →
11.
Dasgupta, Basudeb, Ranjan Laha, & Anupam Ray. (2020). Neutrino and Positron Constraints on Spinning Primordial Black Hole Dark Matter. Physical Review Letters. 125(10). 101101–101101. 130 indexed citations
12.
Laha, Ranjan. (2019). Primordial Black Holes as a Dark Matter Candidate Are Severely Constrained by the Galactic Center 511 keVγ-Ray Line. Physical Review Letters. 123(25). 251101–251101. 198 indexed citations breakdown →
13.
14.
Chowdhury, Debtosh, Abhishek M. Iyer, & Ranjan Laha. (2018). Constraints on dark matter annihilation to fermions and a photon. Journal of High Energy Physics. 2018(5). 4 indexed citations
15.
Kistler, Matthew D. & Ranjan Laha. (2018). Multi-PeV Signals from a New Astrophysical Neutrino Flux beyond the Glashow Resonance. Physical Review Letters. 120(24). 241105–241105. 21 indexed citations
16.
Laha, Ranjan. (2016). The effect of dark matter velocity profile on directional detection of dark matter. arXiv (Cornell University). 2 indexed citations
17.
Ng, Kenny C. Y., et al.. (2016). Dark Matter Velocity Spectroscopy. Physical Review Letters. 116(3). 31301–31301. 26 indexed citations
18.
Murase, Kohta, Ranjan Laha, Shin’ichiro Ando, & M. Ahlers. (2015). Testing the Dark Matter Scenario for PeV Neutrinos Observed in IceCube. Physical Review Letters. 115(7). 71301–71301. 93 indexed citations
19.
Ng, Kenny C. Y., Ranjan Laha, Sheldon Campbell, et al.. (2014). Resolving Small-Scale Dark Matter Structures Using Multi-Source Indirect Detection. Bulletin of the American Physical Society. 2014. 2 indexed citations
20.
Laha, Ranjan, J. F. Beacom, Basudeb Dasgupta, Shunsaku Horiuchi, & Kohta Murase. (2013). Demystifying the PeV cascades in IceCube: Less (energy) is more (events). Physical review. D. Particles, fields, gravitation, and cosmology. 88(4). 60 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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