All Stories

  1. Setup for ionization of atoms and molecules by neutral atom impact

    Article • International Journal of Mass Spectrometry, July 2026, Elsevier

    C P Safvan

  2. Measurements of 12C0,1- ions through charge-exchange reactions in gas cells at IUAC: A step towards the proposed PIMS facility by the CUPAC-NE collaboration (D2)

    Article • Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment, May 2026, Elsevier

    C P Safvan

  3. The Delhi Penning-trap facility for interaction studies of astro-chemically relevant molecules with relativistic electrons

    Article • Monthly Notices of the Royal Astronomical Society, April 2026, Oxford University Press (OUP)

    C P Safvan

  4. Observation of metastable states of C 3 H ...

    Article • Journal of Physics B Atomic Molecular and Optical Physics, April 2026, Institute of Physics Publishing

    C P Safvan

  5. Equilibrium and nonequilibrium energy loss measurement for fast ...

    Article • Radiation Physics and Chemistry, February 2026, Elsevier

    C P Safvan

  6. Sequentiality and intramolecular scattering during complete three-body dissociation of ...

    Article • Physical Review A, January 2026, American Physical Society (APS)

    C P Safvan

  7. Kinetic energy release distributions of multiply charged NOq+ (q = 2–7) molecular ions produced in collisions with 1.6 MeV Ar8+ ion beam

    Article • The Journal of Chemical Physics, September 2025, American Institute of Physics

    C P Safvan

  8. Hydrogen scrambling and high propensity for multiple neutral emissions from 1,3-butadiene dication

    Article • The Journal of Chemical Physics, April 2025, American Institute of Physics

    C P Safvan

  9. State selectivity in core ionization of methane

    Article • Physical Review Research, April 2025, American Physical Society (APS)

    Dr Daniel S Slaughter, C P Safvan

  10. Intramolecular scattering in dissociating multiply charged diiodoacetylene

    Article • Physical Review A, March 2025, American Physical Society (APS)

    C P Safvan

  11. Addressing three-body fragmentation of methane dication using “native frames”: Evidence of internal excitation in fragments

    Article • The Journal of Chemical Physics, November 2023, American Institute of Physics

    C P Safvan

  12. Fragmentation of Multiply Charged C10H8 Isomers Produced in keV Range Proton Collision

    Article • Atoms, October 2023, MDPI AG

    C P Safvan

  13. Fragmentation dynamics of tetrachloromethane molecule induced by highly charged Ar7+-ion impact

    Article • The Journal of Chemical Physics, February 2023, American Institute of Physics

    C P Safvan

  14. Exploring three-body fragmentation of acetylene trication

    Article • The Journal of Chemical Physics, February 2023, American Institute of Physics

    Jasmeet Singh, C P Safvan

  15. Hydrogen migration in triply charged acetylene

    Article • The Journal of Chemical Physics, April 2022, American Institute of Physics

    C P Safvan

  16. Unexplained dissociation pathways of two-body fragmentation of methane dication

    Article • The Journal of Chemical Physics, February 2022, American Institute of Physics

    C P Safvan

  17. Fragmentation dynamics of CH3Clq+ (q = 2,3): theory and experiment

    Article • Physical Chemistry Chemical Physics, January 2022, Royal Society of Chemistry

    C P Safvan

  18. Dissociation dynamics in chloroform molecule induced by ion impact

    Article • International Journal of Mass Spectrometry, November 2021, Elsevier

    C P Safvan

  19. A new technique for measurement of subrotational lifetime of molecular ions

    Article • Scientific Reports, November 2020, Springer Science + Business Media

    C P Safvan

  20. Triple ionisation of OCS: orientation dependence in the case of ion impact

    Article • Journal of Physics B Atomic Molecular and Optical Physics, June 2020, Institute of Physics Publishing

    C P Safvan

  21. A sensitive on‐chip probe–based portable nuclear magnetic resonance for detecting low parasitaemia plasmodium falciparum in human blood

    Article • Medical Devices & Sensors, June 2020, Wiley

    C P Safvan

  22. Orientation dependence of multiple ionisation of a diatomic molecule under proton impact

    Article • Journal of Physics B Atomic Molecular and Optical Physics, May 2019, Institute of Physics Publishing

    C P Safvan

  23. Properties of a cylindrical Penning trap with conical endcap openings

    Article • Physica Scripta, April 2019, Institute of Physics Publishing

    C P Safvan

  24. Radio Frequency Planar Coil-Based On-Chip Probe for Portable Nuclear Magnetic Resonance

    Article • IEEE Sensors Journal, April 2019, Institute of Electrical & Electronics Engineers (IEEE)

    C P Safvan

  25. Polydimethylsiloxane (PDMS) cavity for portable nuclear magnetic resonance

    Article • January 2019, American Institute of Physics

    C P Safvan

  26. Plasmon excitation and subsequent isomerization dynamics in naphthalene and azulene under fast proton interaction

    Article • The Journal of Chemical Physics, November 2018, American Institute of Physics

    C P Safvan

  27. Anisotropy in multiple ionisation of CO by ion collisions at intermediate interaction strengths

    Article • Journal of Physics B Atomic Molecular and Optical Physics, September 2018, Institute of Physics Publishing

    C P Safvan

  28. Three-body dissociation of OCS3+: Separating sequential and concerted pathways

    Article • The Journal of Chemical Physics, February 2018, American Institute of Physics

    C P Safvan

  29. Formation of H2+ and H3+ in energetic highly-charged-ion collisions with NH3

    Article • August 2017, American Physical Society (APS)

    C P Safvan

  30. Anisotropic two-body dissociation by highly charged ion impact

    Article • Journal of Physics Conference Series, July 2017, Institute of Physics Publishing

    Wael Iskandar, C P Safvan

  31. Bond rearrangement in NH3 under slow highly charged ion impact

    Article • Journal of Physics Conference Series, July 2017, Institute of Physics Publishing

    C P Safvan

  32. Dissociation dynamics of NH3under slow highly charged ion impact

    Article • Journal of Physics Conference Series, July 2017, Institute of Physics Publishing

    C P Safvan

  33. Exploring metastable decay dynamics of polycyclic aromatic nitrogen containing hydrocarbons upon HCN evaporation

    Article • Journal of Physics Conference Series, July 2017, Institute of Physics Publishing

    C P Safvan

  34. Molecular Orbital interpretation to the couplings in collisions of 2.5 and 3 MeV Xe10+,12+-Au and Zr systems

    Article • Journal of Physics Conference Series, July 2017, Institute of Physics Publishing

    C P Safvan

  35. Multiple ionization and dissociation of ethylene induced by collision of Xe9+

    Article • Journal of Physics Conference Series, July 2017, Institute of Physics Publishing

    C P Safvan

  36. Three-body dissociation of OCS3+ : separating sequential and concerted pathways

    Article • Journal of Physics Conference Series, July 2017, Institute of Physics Publishing

    C P Safvan

  37. Role of a Neighbor Ion in the Fragmentation Dynamics of Covalent Molecules

    Article • Physical Review Letters, June 2017, American Physical Society (APS)

    Wael Iskandar, C P Safvan

  38. Can substitution accomplish intact polycationic stability in polyatomic molecules? Illustration with acetylene molecule

    Article • Journal of Molecular Structure, November 2015, Elsevier

    C P Safvan

  39. Low energy highly charged ion beam facility at Inter University Accelerator Centre: Measurement of the plasma potential and ion energy distributions

    Article • Physics of Plasmas, November 2015, American Institute of Physics

    C P Safvan

  40. Molecular orbital perspective for inner shell couplings: Level diagrams

    Article • Journal of Physics Conference Series, September 2015, Institute of Physics Publishing

    C P Safvan

  41. Angular distributions of multiply charged fragments from dissociation of Nitrogen molecules by Xe9+ impact

    Article • Journal of Physics Conference Series, September 2015, Institute of Physics Publishing

    C P Safvan

  42. Coupling of collective excitation in proton and photon interaction with PAHs

    Article • Journal of Physics Conference Series, September 2015, Institute of Physics Publishing

    C P Safvan

  43. Design of mechanically compensated Penning trap for the study of ions in extreme laser field

    Article • Journal of Physics Conference Series, September 2015, Institute of Physics Publishing

    C P Safvan

  44. Do linear molecules always dissociate along their axis? Intra-molecular scattering within Diiodoacetylene

    Article • Journal of Physics Conference Series, September 2015, Institute of Physics Publishing

    C P Safvan

  45. Ionization and electron capture in 240 keV Kr8+ collisions with CO2

    Article • Journal of Physics Conference Series, September 2015, Institute of Physics Publishing

    C P Safvan

  46. Measurement of Plasma Potential using Deceleration technique

    Article • Journal of Physics Conference Series, September 2015, Institute of Physics Publishing

    C P Safvan

  47. Monte Carlosimulation for ion-molecule collisions at intermediate velocity

    Article • Journal of Physics Conference Series, September 2015, Institute of Physics Publishing

    C P Safvan

  48. Orientation and alignment effects in ion-induced fragmentation of isolated water molecules

    Article • Journal of Physics Conference Series, September 2015, Institute of Physics Publishing

    C P Safvan

  49. Setup for measuring angular anisotropies in slow ion-molecule collisions

    Article • International Journal of Mass Spectrometry, December 2014, Elsevier

    C P Safvan

  50. Orientation and alignment effects in ion-induced fragmentation of water: A triple coincidence study

    Article • The Journal of Chemical Physics, October 2014, American Institute of Physics

    C P Safvan

  51. Dissociation of OCS by high energy highly charged ion impact

    Article • Zeitschrift für Physik D, September 2014, Springer Science + Business Media

    C P Safvan

  52. Note: Multi channel Doppler tuned spectrometer to study highly charged ions

    Article • Review of Scientific Instruments, June 2014, American Institute of Physics

    C P Safvan

  53. Velocity dependence of fragmentation yields in proton–naphthalene collision and comparison with electronic energy loss calculation

    Article • Journal of Physics B Atomic Molecular and Optical Physics, April 2014, Institute of Physics Publishing

    C P Safvan

  54. Electron emission and electron transfer processes in proton-naphthalene collisions at intermediate velocities

    Article • Physical Review A, November 2013, American Physical Society (APS)

    C P Safvan

  55. Energetic Rydberg neutrals from water dissociation

    Article • Journal of Physics Conference Series, November 2012, Institute of Physics Publishing

    C P Safvan

  56. Energetic Rydberg neutrals from water dissociation

    Article • Journal of Physics Conference Series, November 2012, Institute of Physics Publishing

    C P Safvan

  57. Fragment kinetic energy distributions in ion induced CO2fragmentation

    Article • Journal of Physics Conference Series, November 2012, Institute of Physics Publishing

    C P Safvan

  58. Fragmentation of OCS3+formed by 150 keV Ar+ion impact on OCS

    Article • Journal of Physics Conference Series, November 2012, Institute of Physics Publishing

    C P Safvan

  59. Similarities in fragmentation dynamics of molecules under various perturbations

    Article • Journal of Physics Conference Series, November 2012, Institute of Physics Publishing

    C P Safvan

  60. Slow Highly Charged Ions by Electrostatic Deceleration

    Article • Journal of Physics Conference Series, November 2012, Institute of Physics Publishing

    C P Safvan

  61. Ion-induced triple fragmentation of CO 2 3 + into C + + O + + O +

    Article • Physical Review A, December 2011, American Physical Society (APS)

    C P Safvan

  62. Fragmentation of water by ion impact: Kinetic energy release spectra

    Article • Physical Review A, November 2011, American Physical Society (APS)

    C P Safvan

  63. Communication: Atomic and molecular Rydbergs from water

    Article • The Journal of Chemical Physics, May 2011, American Institute of Physics

    C P Safvan

  64. Dissociation of carbonyl sulfide by 150 keV Ar+ion impact

    Article • Journal of Physics B Atomic Molecular and Optical Physics, October 2010, Institute of Physics Publishing

    C P Safvan

  65. Triple F+ejection from SF6bombarded by swift ions

    Article • Journal of Physics B Atomic Molecular and Optical Physics, October 2010, Institute of Physics Publishing

    C P Safvan

  66. An electrostatic deceleration lens for highly charged ions

    Article • Review of Scientific Instruments, April 2010, American Institute of Physics

    C P Safvan

  67. Dissociation dynamics of multiply charged CO2by low energy ion impact using coincidence mapping

    Article • Journal of Physics Conference Series, November 2009, Institute of Physics Publishing

    C P Safvan

  68. Strong fields induce ultrafast rearrangement of H atoms in H2O

    Article • The Journal of Chemical Physics, June 2009, American Institute of Physics

    C P Safvan

  69. Dissociation of methanol by ion-impact: Breakup dynamics, bond rearrangement and kinetic energy release

    Article • International Journal of Mass Spectrometry, September 2008, Elsevier

    C P Safvan

  70. Setup for in situ deep level transient spectroscopy of semiconductors during swift heavy ion irradiation

    Article • Review of Scientific Instruments, May 2008, American Institute of Physics

    C P Safvan

  71. Ion-induced dissociation dynamics of acetylene

    Article • Physical Review A, February 2008, American Physical Society (APS)

    C P Safvan

  72. Projectile charge-state dependence of methane fragmentation

    Article • Physical Review A, January 2008, American Physical Society (APS)

    C P Safvan

  73. Dissociation of Methanol and Acetylene by slow Highly Charged Ion Collision

    Article • Journal of Physics Conference Series, September 2007, Institute of Physics Publishing

    C P Safvan

  74. Butterfly structure: Signature of vibrational flopping in dissociative acetylene

    Article • The Journal of Chemical Physics, August 2007, American Institute of Physics

    C P Safvan

  75. Kinetic energy distributions in ion-inducedCOfragmentation: Signature of shallow states in multiply chargedCO

    Article • Physical Review A, June 2007, American Physical Society (APS)

    C P Safvan

  76. Formation ofH3+due to Intramolecular Bond Rearrangement in Doubly Charged Methanol

    Article • Physical Review Letters, November 2006, American Physical Society (APS)

    C P Safvan

  77. Kinetic energy distributions and signature of target excitation inN2fragmentation on collisions withAr9+ions

    Article • Physical Review A, September 2006, American Physical Society (APS)

    C P Safvan

  78. A setup for probing ion–molecule collision dynamics

    Article • Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms, February 2006, Elsevier

    C P Safvan

  79. Hard X-ray generation from microdroplets in intense laser fields

    Article • Applied Physics B Photophysics and Laser Chemistry, July 2005, Springer Science + Business Media

    C P Safvan

  80. First High Temperature Superconducting ECRIS

    Article • January 2005, American Institute of Physics

    C P Safvan

  81. Storage ring study of the dissociative recombination of He+2

    Article • Journal of Physics B Atomic Molecular and Optical Physics, December 2004, Institute of Physics Publishing

    C P Safvan

  82. A setup for probing collisions of highly charged ions with liquid droplets

    Article • Review of Scientific Instruments, December 2004, American Institute of Physics

    C P Safvan

  83. Radioactive ion beam acceleration at MAFF

    Article • Nuclear Physics A, December 2004, Elsevier

    C P Safvan

  84. Absolute high-resolution rate coefficients for dissociative recombination of electrons withHD+:Comparison of results from three heavy-ion storage rings

    Article • Physical Review A, October 2003, American Physical Society (APS)

    C P Safvan

  85. Dissociative recombination of the cation and dication ofCO2

    Article • Physical Review A, August 2003, American Physical Society (APS)

    C P Safvan

  86. Dissociative recombination of dications

    Article • The Journal of Chemical Physics, July 2003, American Institute of Physics

    C P Safvan

  87. Lifetime of1s2s2p4P5/2oinV20+using beam-foil techniques

    Article • Physical Review A, November 2002, American Physical Society (APS)

    C P Safvan

  88. ECR ion source based low energy ion beam facility

    Article • Pramana, November 2002, Springer Science + Business Media

    C P Safvan

  89. Dissociative recombination and excitation ofH3+

    Article • Physical Review A, April 2001, American Physical Society (APS)

    C P Safvan

  90. Electron collisions with the diatomic fluorine anion

    Article • Physical Review A, February 2001, American Physical Society (APS)

    C P Safvan

  91. Coulomb and centrifugal barrier bound dianion resonances of NO[sub 2]

    Article • The Journal of Chemical Physics, January 2001, American Institute of Physics

    C P Safvan

  92. Aligning molecules with intense nonresonant laser fields

    Article • The Journal of Chemical Physics, November 1999, American Institute of Physics

    C P Safvan, Prof. Dr. Hirofumi Sakai

  93. Dissociative recombination of theCO2+dication

    Article • Physical Review A, November 1999, American Physical Society (APS)

    C P Safvan

  94. Dissociative recombination and excitation ofH2O+andHDO+

    Article • Physical Review A, October 1999, American Physical Society (APS)

    C P Safvan

  95. Electron collisions with diatomic anions

    Article • Physical Review A, October 1999, American Physical Society (APS)

    C P Safvan

  96. Fast beam photofragment apparatus for studies of electronic and nuclear dynamics

    Article • Review of Scientific Instruments, August 1999, American Institute of Physics

    C P Safvan

  97. Controlling the alignment of neutral molecules by a strong laser field

    Article • The Journal of Chemical Physics, June 1999, American Institute of Physics

    C P Safvan, Prof. Dr. Hirofumi Sakai

  98. EXPERIMENTAL TEST OF A QUANTUM-LIKE THEORY: MOTION OF ELECTRONS IN A UNIFORM MAGNETIC FIELD, IN A VARIABLE POTENTIAL WELL

    Article • Modern Physics Letters A, March 1999, World Scientific Pub Co Pte Lt

    C P Safvan

  99. Doubly Charged Negative Ions ofB2andC2

    Article • Physical Review Letters, December 1998, American Physical Society (APS)

    C P Safvan

  100. Collision-induced dissociation of CO 2 + ions

    Article • Physical Review A, October 1998, American Physical Society (APS)

    Deepak Mathur, C P Safvan

  101. On the spatial alignment of bent triatomic molecules by intense, picosecond laser fields

    Article • Journal of Physics B Atomic Molecular and Optical Physics, September 1997, Institute of Physics Publishing

    Deepak Mathur, C P Safvan

  102. Distortion of molecular electron density distributions by an intense laser field: dissociative ionization of

    Article • Journal of Physics B Atomic Molecular and Optical Physics, May 1997, Institute of Physics Publishing

    Deepak Mathur, C P Safvan

  103. Two-electron processes in the ionization ofH2andD2by fast protons

    Article • Physical Review A, October 1996, American Physical Society (APS)

    C P Safvan

  104. Single and multiple ionization of in intense laser fields: wavelength dependence and energetics

    Article • Journal of Physics B Atomic Molecular and Optical Physics, July 1996, Institute of Physics Publishing

    Deepak Mathur, C P Safvan

  105. Dissociation dynamics of in intense laser fields: directional specificity of and fragments

    Article • Journal of Physics B Atomic Molecular and Optical Physics, July 1996, Institute of Physics Publishing

    Deepak Mathur, C P Safvan

  106. Molecular pendular states in intense laser fields

    Article • Physical Review A, May 1996, American Physical Society (APS)

    Deepak Mathur, C P Safvan

  107. Pendular motion of linear in intense laser fields

    Article • Journal of Physics B Atomic Molecular and Optical Physics, February 1996, Institute of Physics Publishing

    Deepak Mathur, C P Safvan

  108. Long-lived, doubly charged diatomic and triatomic molecular ions

    Article • Journal of Physics B Atomic Molecular and Optical Physics, August 1995, Institute of Physics Publishing

    Deepak Mathur, C P Safvan

  109. Dissociation dynamics of molecular ions in very high charge states

    Article • Rapid Communications in Mass Spectrometry, January 1995, Wiley

    Deepak Mathur, C P Safvan

  110. Measurements of dication lifetimes by translational energy spectrometry

    Article • Rapid Communications in Mass Spectrometry, January 1995, Wiley

    Deepak Mathur, C P Safvan

  111. Study of the interactions of intense laser beams and of fast-ion beams with molecules

    Article • Rapid Communications in Mass Spectrometry, January 1995, Wiley

    C P Safvan

  112. Comparison of the dissociative ionization of CS2in intense laser fields and by charged particle impact: orientational effects caused by light polarization?

    Article • Journal of Physics B Atomic Molecular and Optical Physics, September 1994, Institute of Physics Publishing

    Deepak Mathur, C P Safvan

  113. Dissociation of highly charged N2q+(q>=2) ions via non-Coulombic potential energy curves

    Article • Journal of Physics B Atomic Molecular and Optical Physics, September 1994, Institute of Physics Publishing

    Deepak Mathur, C P Safvan

  114. Lifetime measurements by ion translational energy spectrometry: metastable SH2+ions

    Article • Journal of Physics B Atomic Molecular and Optical Physics, August 1994, Institute of Physics Publishing

    Deepak Mathur, C P Safvan

  115. Dissociative ionization of molecules by intense laser fields at 532 nm and 1012-1014W cm-2

    Article • Journal of Physics B Atomic Molecular and Optical Physics, July 1994, Institute of Physics Publishing

    Deepak Mathur, C P Safvan

  116. Molecular-orientation effects in the dissociative ionization of CH 4 in intense laser fields

    Article • Physical Review A, July 1994, American Physical Society (APS)

    Deepak Mathur, C P Safvan

  117. Intense laser field ionisation of CS2 at 532 nm. Does dissociation precede ionisation?

    Article • Chemical Physics Letters, January 1994, Elsevier

    Deepak Mathur, C P Safvan

  118. A long-lived triply charged diatomic ion, CS3+

    Article • Journal of Physics B Atomic Molecular and Optical Physics, December 1993, Institute of Physics Publishing

    Deepak Mathur, C P Safvan

  119. On the determination of the lifetime of metastable doubly charged molecules by ion translational energy spectrometry: CO2+

    Article • Journal of Physics B Atomic Molecular and Optical Physics, November 1993, Institute of Physics Publishing

    Deepak Mathur, C P Safvan

  120. Recoil ion mass spectrometry. Part 2. Formation of slow, multiply charged recoil ions in collisions of fast negative ions with Ar and Kr atoms

    Article • International Journal of Mass Spectrometry and Ion Processes, October 1993, Elsevier

    Deepak Mathur, C P Safvan

  121. Electron impact ionization of H2O ice

    Article • Rapid Communications in Mass Spectrometry, July 1993, Wiley

    C P Safvan