output
20062025
most citedDestroying Kerr-Sen black holes

93 citations

43 papers

q-fin.ST2025★ 1 cited

Note on pre-taxation reported data by UK FTSE-listed companies. A search for Benford's laws compatibility

Marcel Ausloos, Probowo Erawan Sastroredjo, Polina Khrennikova

Pre-taxation analysis plays a crucial role in ensuring the fairness of public revenue collection. It can also serve as a tool to reduce the risk of tax avoidance, one of the UK gov…

econ.GN2025

Eco-Innovation and Earnings Management: Unveiling the Moderating Effects of Financial Constraints and Opacity in FTSE All-Share Firms

Probowo Erawan Sastroredjo, Marcel Ausloos, Polina Khrennikova

Our research investigates the relationship between eco-innovation and earnings management among 567 firms listed on the FTSE All-Share Index from 2014 to 2022. By examining how sus…

hep-ph2025

Novel probes for electron-muon flavor violation from exotic Higgs decays

P. Uttayarat, J. Julio, R. Primulando

In this paper, we propose two novel signatures of Higgs decays to search for electron-muon flavor violation. These signatures arise from the presence of a light pseudoscalar into w…

gr-qc2025★ 1 cited

Shadows for Kerr-Sen-Taub-NUT black holes with Manko-Ruiz parameter

Haryanto M. Siahaan

In this paper, we explore the Kerr-Sen-Taub-NUT spacetime with the inclusion of the Manko-Ruiz parameter. We demonstrate the separability of the Hamilton-Jacobi equation for a clas…

hep-th2024★ 3 cited

Accelerating Kaluza-Klein black hole and Kerr/CFT correspondence

Haryanto M. Siahaan

We construct a new solution in the Einstein-Maxwell-dilaton theory describing accelerating, charged, and rotating black hole, i.e. the accelerating Kaluza-Klein black hole. Some pr…

hep-ph2024

Search for Z' Radiating from the Dark Matter at the LHC

Akmal Ferdiyan, Reinard Primulando, Qidir Maulana Binu Soesanto +2

We discuss a collider probe of a dark sector model in which the dark matter is charged under a new, hidden gauge group. In particular, we look for the so-called Darkstrahlun…

gr-qc2023★ 6 cited

Spontaneous pair production near magnetized Reissner-Nordstrom black holes

Haryanto M. Siahaan

We investigate the pair production near a (near) extremal magnetized Reissner-Nordstrom black hole. The pair production is shown to exist in the extremal state, which can be interp…

hep-ph2023★ 5 cited

A New Higgs Boson with Electron-Muon Flavor-Violating Couplings

R. Primulando, J. Julio, N. Srimanobhas +1

Recently, the CMS Collaboration performed a search on a new resonance decaying to in the mass range of 110 GeV to 160 GeV. The search also hints a possible excess at 1…

gr-qc2022★ 4 cited

Hidden conformal symmetry and pair production near the cosmological horizon in Kerr-Newman-Taub-NUT-de Sitter spacetime

Haryanto M. Siahaan

We show that the study of hidden conformal symmetry that associates to the Kerr/CFT correspondence can also apply to the cosmological horizon in Kerr-Newman-Taub-NUT-de Sitter spac…

gr-qc2022★ 3 cited

Charged Taub-NUT-de Sitter spacetime in DGP braneworld and its thermodynamics

Haryanto M. Siahaan

We study a charged Taub-NUT spacetime solution in the DGP brane. We show that the Reissner-Nordstrom-Taub-NUT-de Sitter solution of Einstein-Maxwell gravity solves the correspondin…

hep-ph2022★ 7 cited

Minimal Zee model for lepton and -mass shifts

R. Primulando, J. Julio, P. Uttayarat

We present a unique Yukawa structure of the Zee model that can accommodate neutrino oscillation data, solves the muon problem, and explains the recent boson mass measur…

hep-ph2022★ 9 cited

Discovery prospects for heavy dark matter in KAGRA

Chun-Hao Lee, Reinard Primulando, Martin Spinrath

We discuss the discovery prospects for kg-scale dark matter with a Yukawa-like long-range interaction in Kamioka Gravitational Wave Detector (KAGRA). We consider the interaction ra…

hep-ph2022★ 4 cited

Zee model with quasidegenerate neutrino masses and where to find it

R. Primulando, J. Julio, P. Uttayarat

We present a Zee model with a family dependent symmetry for radiative neutrino masses. Our motivation is to get a model that correctly describes neutrino oscillation phenomen…

hep-th2021★ 4 cited

Meissner effect and holographic dual for the Melvin-Kerr-Newman-Taub-NUT spacetimes

Masoud Ghezelbash, Haryanto M. Siahaan

We investigate correspondence between the Melvin-Kerr-Newman-Taub-NUT spacetime, and the conformal field theory. The near horizon geometry of extremal Melvin-Kerr-Newman-Taub-NUT s…

gr-qc2021

Destroying Kaluza-Klein and Kerr-Newman black holes

Haryanto M. Siahaan, Paulus C. Tjiang

We investigate the destroying of charged and rotating black holes in Einstein-Maxwell-(dilaton) theory. We show that a test particle with some appropriate properties in the black h…

gr-qc2021★ 15 cited

Magnetized Kerr-Newman-Taub-NUT spacetimes

Masoud Ghezelbash, Haryanto M. Siahaan

We find a new class of exact solutions in the Einstein-Maxwell theory by employing the Ernst magnetization process to the Kerr-Newman-Taub-NUT spacetimes. We study the solutions an…

gr-qc2021★ 15 cited

Magnetized Kerr-Taub-NUT spacetime and Kerr/CFT correspondence

Haryanto M. Siahaan

We present a new solution in Einstein-Maxwell theory which can be considered as the magnetized version of Kerr-Taub-NUT solution. Some properties of the spacetime are discussed. We…

gr-qc2021★ 16 cited

Magnetized Reissner-Nordstrom-Taub-NUT spacetime and microscopic entropy

Haryanto M. Siahaan

We present a novel solution describing magnetized spacetime outside a massive object with electric charge equipped with NUT parameter. To get the solution, we employ the Ernst magn…

gr-qc2021★ 10 cited

Magnetized Taub-NUT spacetime

Haryanto M. Siahaan

We find an exact solution describing the spacetime outside a massive object with NUT parameter embedded in an external magnetic field. To get the solution, we employ the Ernst magn…

hep-ph2020★ 27 cited

Collider Constraints on a Dark Matter Interpretation of the XENON1T Excess

R. Primulando, J. Julio, P. Uttayarat

In light of the excess in the low-energy electron recoil events reported by XENON1T, many new physics scenarios have been proposed as a possible origin of the excess. One possible…

gr-qc2020★ 7 cited

Rotating and charged Taub-NUT-(A)dS spacetimes on a 3-brane

Haryanto M. Siahaan

We construct novel solutions to the effective Einstein equation with four dimensional cosmological constant on a 3-brane in Randall-Sundrum II scenario. The charged solution is obt…

hep-ph2019★ 21 cited

Collider Constraints on Lepton Flavor Violation in the 2HDM

R. Primulando, J. Julio, P. Uttayarat

In light of the recent CMS analysis on lepton flavor violating (LFV) heavy Higgs searches and updated bounds on various search channels involving neutral and charged scalars, we pr…

gr-qc2019★ 8 cited

Pair production of scalars around near-extremal Kerr-Sen black holes

Haryanto M. Siahaan

We investigate the charged scalar pair production near the horizon of a near-extremal Kerr-Sen black holes. The condition for pair production to occur has relation to the violation…

gr-qc2019★ 16 cited

Merger estimates for Kerr-Sen black holes

Haryanto M. Siahaan

The advent of gravitational wave observation starts a new era of precision tests of gravitational theory. Estimations of black holes mergers should come from any well established g…