Publications

The complete list of my research publications can be found at the following links

• • • • INSPIRE :  

        • • • • • peer-reviewed papers

                • preprints 

                • conference proceedings

                • workshop reports

      • Google Scholar

      • arXiv

Recent publications

----------  2024  ----------

Cosmological cutting rules for Bogoliubov initial states

Diptimoy Ghosh (IISER, Pune), Enrico Pajer (Cambridge U., DAMTP), Farman Ullah (IISER, Pune)

e-Print: 2407.06258 [hep-th]

Bispectrum at 1-loop in the Effective Field Theory of Inflation

Supritha Bhowmick (IISER, Pune), Diptimoy Ghosh (IISER, Pune), Farman Ullah (IISER, Pune)

e-Print: 2405.10374 [hep-th]

----------  2023  ----------

Mixed Graviton and Scalar Bispectra in the EFT of Inflation: Soft Limits and Boostless Bootstrap

Diptimoy Ghosh (IISER, Pune), Kushan Panchal (IISER, Pune), Farman Ullah (IISER, Pune)

e-Print: 2303.16929 [hep-th]

DOI: 10.1007/JHEP07(2023)233

Published in: JHEP 07 (2023) 233

Bell violation in 2 -> 2 scattering in photon, gluon and graviton EFTs

Diptimoy Ghosh (IISER, Pune), Rajat Sharma (IISER, Pune)

e-Print: 2303.03375 [hep-th]

DOI: 10.1007/JHEP08(2023)146

Published in: JHEP 08 (2023) 146

Blazar boosted Dark Matter -- direct detection constraints on σ_eχ: Role of energy dependent cross sections

Supritha Bhowmick (IISER, Pune), Diptimoy Ghosh (IISER, Pune), Divya Sachdeva (Paris, LPTHE)

e-Print: 2301.00209 [hep-ph]

DOI: 10.1088/1475-7516/2023/07/039

Published in: JCAP 07 (2023) 039

----------  2022  ----------

Amplitude’s positivity vs. subluminality: Causality and Unitary Constraints on dimension 6 & 8 Gluonic operators in the SMEFT

Diptimoy Ghosh (IISER, Pune), Rajat Sharma (IISER, Pune), Farman Ullah (IISER, Pune)

e-Print: 2211.01322 [hep-ph]

DOI: 10.1007/JHEP02(2023)199

Published in: JHEP 02 (2023) 199 

Gravitation Wave signal from Asteroid mass Primordial Black Hole Dark Matter

Diptimoy Ghosh (IISER, Pune), Arvind Kumar Mishra (IISER, Pune)

e-Print: 2208.14279 [hep-ph]

DOI: 10.1103/PhysRevD.109.043537

Published in: Phys. Rev. D 109, 043537

Bounds on boosted dark matter from direct detection: The role of energy-dependent cross sections

Debjyoti Bardhan (IISER, Pune), Supritha Bhowmick (IISER, Pune), Diptimoy Ghosh (IISER, Pune), Atanu Guha (IISER, Pune and Chungnam Natl. U.), Divya Sachdeva (Paris, LPTHE)

e-Print: 2208.09405 [hep-ph]

DOI: 10.1103/PhysRevD.107.015010

Published in: Phys. Rev. D 107 (2023) 01, 015010 

Probing the initial state of inflation: analytical structure of cosmological correlators

Diptimoy Ghosh (IISER, Pune), Amartya Harsh Singh (IISER, Pune), Farman Ullah (IISER, Pune)

e-Print: 2207.06430 [hep-th]

DOI: 10.1088/1475-7516/2023/04/007

Published in: JCAP 04 (2023) 007

----------  2021  ----------

Four-fermion operators at dimension 6: dispersion relations and UV completions

Aleksandr Azatov (SISSA, Trieste), Diptimoy Ghosh (IISER, Pune), Amartya Harsh Singh (IISER, Pune)

e-Print: 2112.02302 [hep-ph]

DOI: 10.1103/PhysRevD.105.115019

Published in: Phys. Rev. D 105 (2022) 11, 115019 

Future Constraints on Primordial Black Holes from XGIS-THESEUS

Diptimoy Ghosh (IISER, Pune), Divya Sachdeva (IISER, Pune), Praniti Singh (IISER, Pune)

e-Print: 2110.03333 [astro-ph.CO]

DOI: 10.1103/PhysRevD.106.023022

Published in: Phys. Rev. D 106 (2022) 02, 023022

Exclusion limits on Dark Matter-Neutrino Scattering Cross-section

Diptimoy Ghosh (IISER, Pune), Atanu Guha (IISER, Pune), Divya Sachdeva (IISER, Pune)

e-Print: 2110.00025 [hep-ph]

DOI: 10.1103/PhysRevD.105.103029

Published in: Phys.Rev.D 105 (2022) 10, 103029

LHCb finds evidence for the violation of lepton universality in B meson decays

Diptimoy Ghosh (IISER, Pune)

Invited News Item

Current Science, Vol. 121, No. 5, 10 September 2021

RK from RPV-SUSY sneutrinos

Debjyoti Bardhan (Ben Gurion U. of Negev), Diptimoy Ghosh (IISER, Pune), Divya Sachdeva (IISER, Pune)

e-Print: 2107.10163 [hep-ph]

DOI: 10.1016/j.nuclphysb.2022.116059

Published in: Nuclear Physics B 986 (2023) 116059

Constraining Light Dark Photons from GW190517 and GW190426_152155

Diptimoy Ghosh (IISER, Pune), Divya Sachdeva (IISER, Pune)

e-Print: 2102.08857 [astro-ph.HE]

DOI: 10.1103/PhysRevD.103.095028

Published in: Phys.Rev.D 103 (2021) 9, 095028

 ----------  2020  ----------

Towards constraining triple gluon operators through tops

Debjyoti Bardhan (Ben Gurion U. of Negev), Diptimoy Ghosh (IISER, Pune), Prasham Jain (IISER, Pune), Arun M. Thalapillil (IISER, Pune)

e-Print: 2010.13402 [hep-ph]

DOI: 10.1103/PhysRevD.103.115003

Published in: Phys.Rev.D 103 (2021) 11, 115003

Astrophysical hints for magnetic black holes

Diptimoy Ghosh (IISER, Pune), Arun Thalapillil (IISER, Pune), Farman Ullah (IISER, Pune)

e-Print: 2009.03363 [hep-ph]

DOI: 10.1103/PhysRevD.103.023006

Published in: Phys.Rev.D 103 (2021) 2, 023006

Our paper was highlighted in the blog by Sunny Vagnozzi, Institute of Astronomy, University of Cambridge, as the #2 most interesting paper of the week: https://www.sunnyvagnozzi.com/blog/top-arxiv-week-37-2020

Constraints on Axion-Lepton coupling from Big Bang Nucleosynthesis

Diptimoy Ghosh (IISER, Pune), Divya Sachdeva (IISER, Pune)

e-Print: 2007.01873 [hep-ph]

DOI: 10.1088/1475-7516/2020/10/060

Published in: JCAP 10 (2020), 060

Neutrino charge constraints from scattering to the weak gravity conjecture to neutron stars

Arindam Das (Osaka U.), Diptimoy Ghosh (IISER, Pune), Carlo Giunti (INFN, Turin), Arun Thalapillil (IISER, Pune)

e-Print: 2005.12304 [hep-ph]

DOI: 10.1103/PhysRevD.102.115009

Published in: Phys.Rev.D 102 (2020) 11, 115009

----------  2019  ----------

Cosmology in the presence of multiple light moduli

Bobby S. Acharya (King's Coll. London and ICTP, Trieste), Mansi Dhuria (IITRAM, Ahmedabad), Diptimoy Ghosh (IISER, Pune), Anshuman Maharana (Harish-Chandra Res. Inst.), Francesco Muia (ICTP, Trieste)

e-Print: 1906.03025 [hep-th]

DOI: 10.1088/1475-7516/2019/11/035

Published in: JCAP 11 (2019), 035

B meson charged current anomalies: The post-Moriond 2019 status

Debjyoti Bardhan (Ben Gurion U. of Negev), Diptimoy Ghosh (IISER, Pune)

e-Print: 1904.10432 [hep-ph]

DOI: 10.1103/PhysRevD.100.011701

Published in: Phys.Rev.D 100 (2019) 1, 011701 (Rapid Communications)