Archana Pai
Professor
Photograph: 
Phone: 
+91-22-2576-9380
Phone No Extn: 
9380
Email: 
archana@phy.iitb.ac.in
archanap@iitb.ac.in
Related Links: 
Gravitational Wave Physics group
Group Image: 
Office: 

114, First Floor, Physics Department

Research Interests: 
  • Astrophysical gravitational-wave transient search in LIGO-Virgo network
  • Parameter estimation of compact binaries with black-holes
  • Test of General Relativity with gravitational-wave observations
  • Multimessenger astronomy.                                                        Brief Curriculum Vitae
Selected Publications: 
Recent short author publications:
  1. Utilizing Gaussian mixture modelling in all-sky search for short duration gravitational wave burst, Dixeena Lopez, V. Gayathri, Archana Pai, Ik Siong Heng, C. Messenger, S. K. Gupta, Phys. Rev. D 105, 063024 (2022)
  2. Effective chirp mass in the inspiral frequency evolution of the non-spinning eccentric compact binary, Nirban Bose and Archana Pai, Phys. Rev. D. 104, 124021 (2021)
  3. Science Case of LIGO-India, M. Saleem, J. Rana, V. Gayathri, A. Vijaykumar, S. Goyal, S. Sachdev, J. Suresh, S. Sudhagar, A. Mukherjee, G. Gaur, B. Sathyaprakash, A. Pai, R. Adhikari, P. Ajith, S. bose, Class. Quan. Grav. 39, 2, (2021)
  4. Optimized PyCBC search for gravitational waves from intermediate-mass black hole mergers, K. Chandra, V. Villa-Ortega, T. Dent, C. Mclsaac, Archana Pai, I. W. Harry, G. S. Cabourne Davis, and K. Soni, Phys. Rev. D 104, 042004 (2021)
  5. Chirp mass based glitch identification in the long duration transient, N. Bose, Archana Pai, K. Chandra and V. Gayathri, Phys. Rev. D 102, 084034 (2020)
  6. Numerical Relativity Injection Analysis of spinning binary black-hole signals in Advanced LIGO data, Koustav Chandra, V. Gayathri, Juan Calderon-Bustillo, Archana Pai, Phys. Rev. D 102, 044035 (2020)
  7. Enhancing the sensitivity of transient gravitational-wave searches with Gaussian Mixure Models, V. Gayathri, Dixeena Lopez, R. S. Pranjal, Ik Siong Heng, Archana Pai, Chris Messenger, Phys. Rev. D 102, 104023 (2020)
  8. Astrophysical signal consistency test adapted for gravitational-wave transient searches, V. Gayathri, P. Bacon, A. Pai, E. Chassande-Mottin, F. Salemi, G. Vedovato, Phys. Rev. D 100, 124022 (2019).
  9. Driving unmodeled gravitational-wave transient searches using astrophysical information, P Bacon, V. Gayathri, E. Chassande-Mottin, A. Pai, F. Salemi, G. Vedovato, Phys. Rev. D 98, 024028 (2018).
  10. Exploring Short-GRB afterglow parameter space for observations in coincidence with gravitational waves, M Saleem, L Resmi, K Misra, A Pai, K G Arun, Monthly Notices of the Royal Astronomical Society 474 (4), 5340-5350, (2018).
  11. Rates of Short-GRB afterglows in association with Binary Neutron Star mergers, M Saleem, A Pai, K Misra, L Resmi, KG Arun, Monthly Notices of the Royal Astronomical Society 475 (1), 699-707 (2018).
  12. A stochastic template bank for precessing neutron star-black hole inspiral events, N. Indik, K. Haris, Tito Dal Canton, H. Fehrmann, B. Krishnan, A. Lundgren A. Nielson and Archana Pai, Phys. Rev. D 95, 064056 (2017).
  13. Performance comparison of multi-detector detection statistics in targeted compact binary coalescence GW search, K. Haris and Archana Pai, Phys. Rev. D. 96, 102002 (2017).
Selected Publications as a member of LIGO Scientific collaboration:
  1. Search for intermediate-mass black hole binaries in the third observing run of the Advanced LIGO and Advanced Virgo, LIGO Scientific and Virgo Collaborations (B.P. Abbott ,... A. Pai,....et al.),A&A 659, A84 (2022)
  2. GW190521: A Binary Black Hole Merger with a Total Mass of 150 M, LIGO Scientific and Virgo Collaborations (R. Abbott ,... A. Pai,....et al.), Phys. Rev. Lett. 125, 101102 (2020)
  3. Properties and Astrophysical Implications of the 150 M Binary Black Hole Merger GW190521, LIGO Scientific and Virgo Collaborations (R. Abbott ,... A. Pai,....et al.), Astrophysical Journal Letters, Volume 900, Issue 1 (2020)
  4. Search for intermediate-mass black hole binaries in the first and second observing runs of the Advanced LIGO and Virgo network, LIGO Scientific and Virgo Collaborations (B.P. Abbott ,... A. Pai,....et al.), Phys. Rev. D 100, 064064 (2019).
  5. Gravitational Waves and Gamma-rays from a Binary Neutron Star Merger: GW170817 and GRB 170817A, LIGO Scientific and Virgo and Fermi-GBM and INTEGRAL Collaborations (B.P. Abbott,...A. Pai...et al.), Astrophys.J. 848 (2017) no.2, L13.
  6. GW170817: Observation of Gravitational Waves from a Binary Neutron Star Inspiral, LIGO Scientific and Virgo Collaborations (B.P. Abbott, .... A. Pai,...et al.), Phys.Rev.Lett. 119 (2017) no.16, 161101.
  7. GW170814: A Three-Detector Observation of Gravitational Waves from a Binary Black Hole Coalescence, LIGO Scientific and Virgo Collaborations (B.P. Abbott,....A. Pai,....et al.), Phys.Rev.Lett. 119 (2017) no.14, 141101 
  8. Binary Black Hole Mergers in the first Advanced LIGO Observing Run, The LIGO Scientific Collab- oration and Virgo Collaborations (B.P. Abbott,...A.Pai,.... et al.). Phys. Rev. X 6, 041015 (2016). 
  9. The basic physics of the binary black hole merger GW150914 The LIGO Scientific and Virgo Collaborations (B.P. Abbott,...A. Pai,..... et al.). Annalen der Physik Volume 529, Issue 1-2, January 2017, 1600209
  10. Tests of general relativity with GW150914 The LIGO Scientific and Virgo Collaborations (B.P. Abbott,...A. Pai,..... et al.). Feb 11, 2016. Phys.Rev.Lett. 116 (2016) no.22, 221101.
  11. Observation of Gravitational Waves from a Binary Black Hole Merger The LIGO Scientific and Virgo Collaborations (B.P. Abbott.....A. Pai,...et al.). Phys.Rev.Lett.116, 6 061102 (2016)
For the up to date publication list, please visit: Google Scholar, INSPIRE HEP Search
Research Category: 
Astronomy, Cosmology and Gravity (ACG)