Publications

Publications

 Ph.D. Theses:

• "Electron-induced coherent excitation dynamics in molecular hydrogen," Akshay Kumar (2025)

• "Dynamics of dissociative electron attachment to ground and vibrationally excited molecules," Sukanta Das (2024)

• "Dynamics of Hydride Ion Formation from Electron Collision with Molecular Hydrogen", Suvasis Swain (2022)

• "Dissociative Electron Attachment to Organic Molecules", Vishvesh Tadsare (2018)

• "Electron Induced Reactions in Condensed Molecules", Sramana Kundu (2017)

• "Structure and Dynamics of Excited States of Molecular Anions", Krishnendu Gope (2017)

 Journals:

1. Direct capture of a low-energy free-electron into delocalized σ* orbitals for enabling state- and bond-selective reactions

Gorachand Das, Vaibhav S. Prabhudesai, and Y. Sajeev

Commun. Chem., 8, 145 (2025) DOI: 10.1038/s42004-025-01543-w

2. Low energy electron-induced dissociation of acetylacetone

Surbhi Sinha, and Vaibhav S. Prabhudesai

J Phys. Chem. A, 129, 1549 (2025) DOI: 10.1021/acs.jpca.4c06528

3. Quantum coherence in dissociative electron attachment: isotope effect

Suvasis Swain, Akshay Kumar, E. Krishnakumar, and Vaibhav S. Prabhudesai

Phys. Rev. A, 109, 042805 (2024)  DOI: 10.1103/PhysRevA.109.042805 

4. Dynamics of dissociative electron attachment to aliphatic thiols 

Sukanta Das, and Vaibhav S. Prabhudesai

Phys. Chem. Chem. Phys., 26, 5793 (2024) DOI: 10.1039/D3CP05456J (Selected for Inside Cover Page) 

5. Effect of background signal on momentum imaging 

Sukanta Das, Suvasis Swain, Krishnendu Gope, Vishvesh Tadsare, and Vaibhav S. Prabhudesai

Int. J. Mass Spectrom., 498, 117215 (2024) DOI: 10.1016/j.ijms.2024.117215

6. Predissociation Dynamics of Negative-ion Resonances of H2 near 12 and 14.5 eV using the Velocity Slice Imaging Technique

Akshay Kumar, Suvasis Swain, Jankee Upadhyay, Yogesh Upalekar, Rajesh Arya, and Vaibhav S. Prabhudesai

Phys. Rev. A 107, 062803 (2023) DOI: 10.1103/PhysRevA.107.062803

7. Inelastic Electron Scattering Induced Quantum Coherence in Molecular Dynamics

Akshay Kumar, Suvasis Swain, and Vaibhav S. Prabhudesai

Nat. Comm. 14, 2769 (2023) DOI: 10.1038/s41467-023-38440-6  (Editor's Highlight in Physical Chemistry)

8. Origin of Resonant Character in the Electron Impact Two-Body Neutral Fragmentation of Methane

Y. Sajeev, Daly Davis, Sramana Kundu, Vaibhav S. Prabhudesai, and E. Krishnakumar

ChemPhysChem, 23, e202200108 (2022) DOI: 10.1002/cphc.202200108

9. Dynamics of Site Selectivity in Dissociative Electron Attachment in Aromatic Molecules

Vishvesh Tadsare, S. Das, Samata Gokhale, E. Krishnakumar, and Vaibhav S. Prabhudesai

Atoms 10, 98 (2022) DOI: 10.3390/atoms10040098  

10. Structure and dynamics of negative-ion resonance in H2, D2, and HD at 10 eV

Suvasis Swain, E. Krishnakumar, and Vaibhav S. Prabhudesai

Phys. Rev. A, 103, 062804 (2021)  DOI: 10.1103/PhysRevA.103.062804 

11. Velocity imaging of H- from formic acid: probing functional group dependence in dissociative electron attachment 

N. Bhargava Ram, Vaibhav S. Prabhudesai, and E. Krishnakumar

Euro. Phys. J D 74, 49 (2020)  DOI: 10.1140/epjd/e2020-100547-2 

12. Electron attachment and quantum coherence in molecular hydrogen

Vaibhav S. Prabhudesai, Nigel Mason, and E. Krishnakumar 

J. Phys.: Conf. Ser. 1412, 052006 (2020) DOI: 10.1088/1742-6596/1412/5/052006 

13. DEA dynamics of chlorine dioxide probed by velocity slice imaging

Krishnendu Gope, Nigel Mason, E. Krishnakumar, and Vaibhav S. Prabhudesai 

Phys. Chem. Chem. Phys. 21, 14023 (2019) DOI: 10.1039/C8CP06660D

14. Formation of CO2 from formic acid through catalytic electron channel 

Daly Davis, S. Kundu, Vaibhav S. Prabhudesai, and E. Krishnakumar 

J. Chem. Phys. 149, 064308 (2018) (Editor’s pick) DOI: 10.1063/1.5032172. 

15. Symmetry breaking by quantum coherence in single-electron attachment

E. Krishnakumar, Vaibhav S. Prabhudesai, and Nigel Mason 

Nat. Phys. 14, 149 (2018) (On the cover of Nat Phys Feb 2018 issue) DOI: 10.1038/nphys4289 

16. Production of electronically excited NO via DEA to NO2

K. Gope, V. Tadsare, Vaibhav S. Prabhudesai, and E. Krishnakumar 

Euro. Phys. J D 71, 323 (2017) DOI: 10.1140/epjd/e2017-80539-1 

17. Low energy electron-induced C-H activation reactions in methane containing ices 

Sramana Kundu, Vaibhav S. Prabhudesai, and E. Krishnakumar 

J. Phys. Chem. C 121, 22862 (2017) DOI: 10.1021/acs.jpcc.7b07348 

18. Electron induced reactions in condensed mixtures of methane and ammonia 

Sramana Kundu, Vaibhav S. Prabhudesai, and E. Krishnakumar 

Phys. Chem. Chem. Phys. 19, 25723 (2017) DOI: 10.1039/C7CP04490A

19. Dissociation dynamics of transient anion formed via electron attachment to sulfur dioxide 

K. Gope, Vaibhav S. Prabhudesai, N. J. Mason, and E. Krishnakumar

J. Chem. Phys. 147, 054304 (2017) DOI: 10.1063/1.4994899

20. Negative ion resonances in carbon monoxide 

Krishnendu Gope, Vishvesh Tadsare, Vaibhav S. Prabhudesai, Nigel J. Mason, and E. Krishnakumar 

Eur. Phys. J. D 70, 134 (2016) DOI: 10.1140/epjd/e2016-70180-y 

21. Observation of quantum interferences via light-induced conical intersections in diatomic molecules

Adi Natan, Matthew R. Ware, Vaibhav S. Prabhudesai, Uri Lev, Barry D. Bruner, Oded Heber, and Philip H. Bucksbaum 

Phys. Rev. Lett. 116, 143004 (2016) DOI: 10.1103/PhysRevLett.116.143004 

22. Probing the resonant states of Cl2 using velocity slice imaging 

K. Gope, Vaibhav S. Prabhudesai, Nigel J. Mason, and E. Krishnakumar 

J. Phys. B: At. Mol. Opt. Phys. 49, 015201 (2016) DOI: 10.1088/0953-4075/49/1/015201 

23. Quantum control of photodissociation using intense, femtosecond pulses shaped with third order dispersion 

U. Lev, L. Graham, C. B. Madsen, I. Ben-Itzhak, B. D. Bruner, B. D. Esry, H. Frostig, O. Heber, A. Natan, V. S. Prabhudesai, D. Schwalm, Y. Silberberg, D. Strasser, I. D. Williams, and D. Zajfman 

J. Phys. B: At. Mol. Opt. Phys. 48, 201001 (2015) (Fast Track Comm.) DOI: 10.1088/0953-4075/48/20/201001 

24. Dissociative electron attachment studies on acetone 

Vaibhav S. Prabhudesai, Vishvesh Tadsare, Sanat Ghosh, Krishnendu Gope, Daly Davis, and E. Krishnakumar 

J. Chem. Phys. 141, 164320 (2014) DOI: 10.1063/1.4898144 

25. Dissociative electron attachment to N2O using velocity slice imaging 

Dhananjay Nandi, Vaibhav S. Prabhudesai, and E. Krishnakumar 

Phys. Chem. Chem. Phys. 16, 3955 (2014) DOI: 10.1039/C3CP53696C 

26. O- from amorphous and crystalline CO2 ices 

Daly Davis, S. Kundu, Vaibhav S. Prabhudesai, and E. Krishnakumar 

Phys. Chem. Chem. Phys. 16, 8582 (2014) DOI:  10.1039/C3CP55421J 

27. Vacuum Ultraviolet and Infrared Spectroscopy of Condensed Methyl acetate on Cold Astrochemical Ice Analogues 

B. Sivaraman, B. G. Nair, J.-I. Lo, S. Kundu, D. Davis, V. Prabhudesai, B. N. Raja Sekhar, N. J. Mason, B.-M. Cheng, and E. Krishnakumar 

The Astrophysical J. 778, 157 (2013) DOI: 10.1088/0004-637X/778/2/157 

28. Dissociative electron attachment to acetaldehyde, CH3CHO. A laboratory study using the velocity slice imaging technique 

E. Szymariska, V. S. Prabhudesai, N. J. Mason, and E. Krishnakumar 

Phys. Chem. Chem. Phys. 15, 998 (2013) DOI: 10.1039/C2CP42966G  

29. Quantum control of photodissociation by manipulation of bond softening 

Adi Natan, Vaibhav S. Prabhudesai, Uri Lev, Barry D. Bruner, Oded Heber, Daniel Strasser, Dirk Schwalm, Yaron Silberberg, and Daniel Zajfman 

Phys. Rev. A 86, 043418 (2012) DOI: 10.1103/PhysRevA.86.043418 

30. Dynamics of the dissociative attachment in H2O and D2O: the A1 resonance and axial recoil approximation 

N. Bhargava Ram, Vaibhav S. Prabhudesai, and E. Krishnakumar 

J. Chem. Sci. 124, 271 (2012) DOI: 10.1007/s12039-012-0226-4 

31. Effect of linear chirp on strong field photodissociation of H2+ 

Vaibhav S. Prabhudesai, Adi Natan, Barry D. Bruner, Yaron Silberberg, Uri Lev, Daniel Strasser, Dirk Schwalm, Daniel Zajfman, and Itzik Ben-Itzhak 

J. Kor. Phys. Soc., 59, 2890 (2011) DOI: 10.3938/jkps.59.2890 

32. Design of a Time of Flight Mass Spectrometer with a field-free interaction region for electron/ion molecule ionization studies 

K. C. Rao, V. S. Prabhudesai, and S. V. K. Kumar 

Rev. Sci. Instrum. 82, 113101 (2011) DOI: 10.1063/1.3653393 

33. Dissociative electron attachment to NO 

Dhananjay Nandi, Vaibhav S. Prabhudesai, B. M. Nestmann, and E. Krishnakumar 

Phys. Chem. Chem. Phys. 13, 1542 (2011) DOI: 10.1039/C0CP01067G  

34. Comment on ‘Imaging the molecular dynamics of dissociative electron attachment to water’ 

N. Bhargava Ram, Vaibhav S. Prabhudesai, and E. Krishnakumar 

Phys. Rev. Lett. 106, 049301 (2011) DOI: 10.1103/PhysRevLett.106.049301 

Earlier Publications in Journal:

1. Tracing the photodissociation probability of H2+ in intense field using chirped laser pulses 

Vaibhav S. Prabhudesai, Uri Lev, Adi Natan, Barry D. Bruner, Adi Diner, Oded Heber, Daniel Strasser, Dirk Schwalm, Itzik Ben-Itzhak, J. J. Hua, B. D. Esry, Yaron Silberberg, and Daniel Zajfman 

Phys. Rev. A 81, 023401 (2010) DOI: 10.1103/PhysRevA.81.023401

2. Resonances in Dissociative Electron Attachment to Water  

N. Bhargava Ram, Vaibhav S. Prabhudesai, and E. Krishnakumar 

J. Phys. B: At. Mol. Opt. Phys. 42, 225203 (2009) DOI: 10.1088/0953-4075/42/22/225203

3. Robust Adiabatic sum frequency conversion

Haim Suchowski, Vaibhav Prabhudesai, Dan Oron, Ady Arie, and Yaron Silberberg, 

Opt. Express 17, 12731 (2009) DOI: 10.1364/OE.17.012731

4.  Electric-field-induced change of the alkali-metal vapor density in paraffin-coated cells 

D. F. Jackson Kimball, Khoa Nguyen, K. Ravi, Arijit Sharma, Vaibhav S. Prabhudesai, S. A. Rangwala, V. V. Yashchuk, M. V. Balabas, and D. Budker 

Phys. Rev. A 79, 032901 (2009) DOI: 10.1103/PhysRevA.79.032901 

5. Functional group dependent dissociative electron attachment to simple organic molecules

Vaibhav S. Prabhudesai, D. Nandi, Aditya H. Kelkar, and E. Krishnakumar 

J. Chem. Phys. 128, 154309 (2008) DOI: 10.1063/1.2899330 

6. Investigation of dissociative electron attachment to water using ion momentum imaging

N. B. Ram, V. S. Prabhudesai, P. Rawat, G. Aravind, and E. Krishnakumar 

J. Phys. Conf. Ser. 115, 012006 (2008) DOI: 10.1088/1742-6596/115/1/012006 

7. Controlling molecular fragmentation using low energy electrons

E. Krishnakumar, V. S. Prabhudesai, and N. B. Ram 

J. Phys. Conf. Ser. 88, 012073 (2007) DOI: 10.1088/1742-6596/88/1/012073 

8. Absolute cross sections for dissociative electron attachment to NH3 and CH4

Prashant Rawat, Vaibhav S. Prabhudesai, M.A. Rahman, N. Bhargava Ram and E. Krishnakumar

Int. J. Mass. Spect. 277, 96 (2008) DOI: 10.1016/j.ijms.2008.05.015 

9. Absolute cross sections for dissociative electron attachment to H2O and D2O

Prashant Rawat, Vaibhav S. Prabhudesai, G. Aravind, M A Rahman, and E. Krishnakumar

J. Phys. B: At. Mol. Opt. Phys. 40, 4625-4636 (2007) DOI: 10.1088/0953-4075/40/24/007 

10. Probing site selective fragmentation of molecules containing hydroxyl group using Velocity Slice Imaging

Vaibhav S Prabhudesai, N. B. Ram, G Aravind, P Rawat, and E Krishnakumar

J. Phys. Conf. Ser. 80, 012016 (2007) DOI: 10.1088/1742-6596/80/1/012016 

11. Velocity Map Imaging of H- Ions from Dissociative Electron Attachment to H2O

N Bhargava Ram, Vaibhav S Prabhudesai, G Aravind, P Rawat, and E Krishnakumar

J. Phys. Conf. Ser. 80, 012017 (2007) DOI: 10.1088/1742-6596/80/1/012017 

12. Absolute cross sections for dissociative electron attachment to water, methane, and ammonia 

P Rawat, Vaibhav S Prabhudesai, G Aravind, N Bhargavaram, M A Rahman and E Krishnakumar

J. Phys. Conf. Ser. 80, 012018 (2007) DOI: 10.1088/1742-6596/80/1/012018 

13. On the presence of 4Σu─ resonance in dissociative electron attachment to O2

Vaibhav S. Prabhudesai, Dhananjay Nandi, and E. Krishnakumar

J. Phys B: At., Mol. Opt. Phys. 39, L277 (2006) DOI: 10.1088/0953-4075/39/14/L01  

14. Velocity Map Imaging for Low Energy Electron-Molecule Collisions

Dhananjay Nandi, Vaibhav S. Prabhudesai, and E. Krishnakumar

Rad. Phys. Chem. 75, 2151 (2006) DOI: 10.1016/j.radphyschem.2006.02.016 

15. Functional group dependent site specific fragmentation of molecules by low energy electrons

Vaibhav S. Prabhudesai, Aditya H. Kelkar, Dhananjay Nandi, and E. Krishnakumar

Phys. Rev. Lett. 95, 143202 (2005) DOI: 10.1103/PhysRevLett.95.143202 

16. Electron attachment to C60 molecules

Vaibhav S. Prabhudesai, Dhananjay Nandi, and E. Krishnakumar

Euro. Phys. J. D 35, 261 (2005) DOI: 10.1140/epjd/e2005-00207-5 

17. Dissociative electron attachment to Formic Acid

Vaibhav S. Prabhudesai, Dhananjay Nandi, Aditya H. Kelkar, R. Parajuli, and E. Krishnakumar  

Chem. Phys. Lett. 405, 172 (2005) DOI: 10.1016/j.cplett.2005.01.128 

18. Velocity slice imaging for dissociatve electron attachment experiments 

D. Nandi, Vaibhav S. Prabhudesai, A. Chatterjee, and E. Krishnakumar 

Rev. Sci. Instrum. 76, 053107 (2005) DOI: 10.1063/1.1899404 

 Books and Proceedings:

1. 1. Probing functional group dependence in dissociative electron attachment using negative ion momentum imaging

S Gokhale, Krishnendu Gope, V Tadsare, M Bain, A Raghav, MNR Ashfold, E Krishnakumar, VS Prabhudesai 

J. Phys: Conf. Ser. 1412, 132046 (2020) DOI: 10.1088/1742-6596/1412/13/132046 

1. 2. Electron-molecule resonances: current developments 

E. Krishnakumar and Vaibhav S. Prabhudesai 

Springer Proc. In Phys. 230, 20 (2019) DOI: 10.1007/978-981-13-9969-5_2 

1. 3. Site Selectivity In Dissociative Electron Attachment To Acetaldehyde 

Samata Gokhale, Anil Raghav, E Krishnakumar, Vaibhav S Prabhudesai 

POSMOL Proceedings (2019) http://www.posmol2019.ipb.ac.rs/_files/Book_POSMOL2019_Online.pdf#page=103

1. 4. Functional Group Dependence and Site Selectivity in Dissociative Attachment

V Tadsare, VS Prabhudesai, E Krishnakumar 

POSMOL Proceedings (2019) http://www.posmol2019.ipb.ac.rs/_files/Book_POSMOL2019_Online.pdf#page=57

1. 5. Dissociation dynamics of transient anion formed via electron attachment to sulphur dioxide (SO2)

K Gope, VS Prabhudesai, NJ Mason, E Krishnakumar 

J Phys: Conf Ser 875, 062030 (2017)

1. 6. Coherent excitation and symmetry breaking in dissociative electron attachment to molecular hydrogen

E Krishnakumar, VS Prabhudesai, NJ Mason 

Advanced Particle Imaging Techniques: 1986-2016 And Beyond Telluride Science Research Center Telluride, Colorado (2016) https://pure.hw.ac.uk/ws/portalfiles/portal/23299591/Telluride_2016_Abstract_Book.pdf#page=35

1. 7. Dissociative electron attachment dynamics of ozone using velocity slice imaging

K Gope, VS Prabhudesai, N Mason, E Krishnakumar 

J Phys: Conf Ser 635, 072036 (2015)

1. 8. Dissociative electron attachment to molecular chlorine

K Gope, VS Prabhudesai, N Mason, E Krishnakumar 

J Phys: Conf Ser 635, 072024 (2015)

1. 9. Dissociative electron attachment to chlorine dioxide probed by velocity slice imaging 

K Gope, VS Prabhudesai, N Mason, E Krishnakumar 

J Phys: Conf Ser 635, 072035 (2015)

1. 10. Low Energy Electron Induced Reactions in Condensed Methanol

S Kundu, D Davis, VS Prabhudesai, E Krishnakumar 

J Phys: Conf Ser 635, 062002 (2015)

1. 11. Competition between dissociation paths of I2+ NO+ using fast laser fields 

Uri Lev, M Zohrabi, VS Prabhudesai, B Gaire, Amir Natan, Daniel Strasser, Dirk Schwalm, KD Carnes, BD Bruner, Yaron Silberberg, Oded Heber, Daniel Zajfman, I Ben-Itzhak 

J Phys: Conf Ser 388, 032017 (2012)