Accéder directement au contenu
JR

jimmy rangama

Chargé de recherches Classe normale CNRS
23
Documents
Affiliations actuelles
  • 396510
  • 56527
Identifiants chercheurs
Contact

Présentation

- Since October 2005 Researcher “Chargé de recherches” CNRS in AMA (atomic, molecular, and clusters physics) group in CIMAP, Caen - 2022 : Habilitation à Diriger des Recherches (HDR) - Stabilité des systèmes complexes : des agrégats aux gouttelettes - 2003 – 2005 Post-Doctoral fellow at University of Caen - 2002 – 2003 Post-Doctoral fellow at the Institute of Physics and Astronomy of Aarhus (Denmark) - 1999 – 2002 PhD researcher at University of Caen on ion – atom collision at high velocity

Domaines de recherche

Physique [physics]

Compétences

- ion atom and molecule collisions - Collision and fragmentation dynamics, COLTRIMS technique - Ion transmission through insulating capillaries, nano beams of highly charged ions

Publications

xavier-flechard

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

Jyoti Rajput , Diksha Garg , Amine Cassimi , X. Fléchard , J. Rangama
Journal of Chemical Physics, 2023, 159 (18), ⟨10.1063/5.0171881⟩
Article dans une revue hal-04288687v1
Image document

Investigation of the Carbon Monoxide Dication Lifetime Using (CO)$_2$ Dimer Fragmentation

A. Méry , X. Fléchard , S. Guillous , V. Kumar , M. Lalande
Physical Review A, 2021, 104 (4), pp.042813. ⟨10.1103/PhysRevA.104.042813⟩
Article dans une revue hal-03313237v1
Image document

Coulomb-explosion imaging of carbon monoxide dimers

A. Méry , V. Kumar , X. Fléchard , B. Gervais , S. Guillous
Physical Review A, 2021, 103 (4), pp.042813. ⟨10.1103/PhysRevA.103.042813⟩
Article dans une revue hal-03210399v1

Coulomb over-the-barrier Monte Carlo simulation to probe ion-dimer collision dynamics

W. Iskandar , X. Fléchard , J. Matsumoto , A. Leredde , S. Guillous
Physical Review A, 2018, 98 (1), pp.012701. ⟨10.1103/PhysRevA.98.012701⟩
Article dans une revue hal-01858056v1

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

A. Méry , A. n. Agnihotri , Julie Douady , X. Fléchard , Benoit Gervais
Physical Review Letters, 2017, 118 (23), ⟨10.1103/PHYSREVLETT.118.233402⟩
Article dans une revue hal-03345830v1
Image document

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

A. Méry , A. Agnihotri , J. Douady , X. Fléchard , B. Gervais
Physical Review Letters, 2017, 118 (23), ⟨10.1103/PhysRevLett.118.233402⟩
Article dans une revue in2p3-01464846v1
Image document

Interatomic Coulombic Decay as a New Source of Low Energy Electrons in slow Ion-Dimer Collisions

W. Iskandar , J. Matsumoto , A. Leredde , X. Fléchard , B. Gervais
Physical Review Letters, 2015, 114, pp.033201. ⟨10.1103/PhysRevLett.114.033201⟩
Article dans une revue in2p3-01079961v1
Image document

Atomic site sensitive processes in low energy ion-dimer collisions

W. Iskandar , J. Matsumoto , A. Leredde , X. Fléchard , B. Gervais
Physical Review Letters, 2014, 113, pp.143201. ⟨10.1103/PhysRevLett.113.143201⟩
Article dans une revue in2p3-00989772v1

Asymmetry in Multiple-Electron Capture Revealed by Radiative Charge Transfer in Ar Dimers

J. Matsumoto , A. Leredde , X. Fléchard , K. Hayakawa , H. Shiromaru
Physical Review Letters, 2010, 105, pp.263202. ⟨10.1103/PhysRevLett.105.263202⟩
Article dans une revue hal-00556832v1

Electron Capture in Collisions of Slow Highly Charged Ions with an Atom and a Molecule: Processes and Fragmentation Dynamics

François Frémont , Guillaume Laurent , Jimmy Rangama , Przemyslaw Sobocinski , Medhi Tarisien
International Journal of Molecular Sciences, 2002, 3 (3), pp.115-131. ⟨10.3390/i3030115⟩
Article dans une revue hal-01218203v1
Image document

Ion induced fragmentation of diatomic molecular clusters

A Méry , A Agnihotri , J Douady , X Fléchard , B Gervais
31st International Conference on Photonic, Electronic, and Atomic Collisions (ICPEAC31), Jul 2019, Deauville, France. pp.152068, ⟨10.1088/1742-6596/1412/15/152068⟩
Communication dans un congrès hal-03345634v1

Fragmentation Dynamics of Atomic and Molecular Clusters

A. Méry , A. Agnihotri , J. Douady , X. Fléchard , B. Gervais
22nd International Conference on Few-Body Problems in Physics (FB22), Jul 2018, Caen, France. pp.67-73, ⟨10.1007/978-3-030-32357-8_13⟩
Communication dans un congrès hal-02448508v1
Image document

Anisotropic two-body dissociation by highly charged ion impact

Jyoti Rajput , A. Agnihotri , A. Cassimi , X. Fléchard , S. Guillous
30th International Conference on Photonic, Electronic, and Atomic Collisions, Jul 2017, Cairns, Australia. pp.102003, ⟨10.1088/1742-6596/875/11/102003⟩
Communication dans un congrès hal-01645814v1

Interatomic Coulombic decay in low energy ion-dimer collisions

W. Iskandar , J. Matsumoto , A Leredde , X. Fléchard , S. Guillous
XXIX International Conference on Photonic, Electronic, and Atomic Collisions (ICPEAC2015), Jul 2015, Tolède, Spain. pp.032105, ⟨10.1088/1742-6596/635/3/032105⟩
Communication dans un congrès in2p3-01294686v1

Primary and relaxation processes induced by low energy multi-charged ions colliding on rare gas dimers

X. Fléchard , W. Iskandar , J. Matsumoto , A. Leredde , H. Shiromaru
24th International Symposium on Ion Atom Collisions (ISIAC) , Jul 2015, Barcelone, Spain
Communication dans un congrès in2p3-01258772v1

Atomic Site-Sensitive Processes in Slow Ar9+-Ar2 Collisions

W. Iskandar , J. Matsumoto , A. Leredde , X. Fléchard , S. Guillous
XXIX International Conference on Photonic, Electronic, and Atomic Collisions (ICPEAC2015) , Jul 2015, Tolède, Spain. pp.032106, ⟨10.1088/1742-6596/635/3/032106⟩
Communication dans un congrès in2p3-01294692v1

Preferential near site electron capture in low energy ion-dimer collisions

W. Iskandar , J. Matsumoto , A. Leredde , X. Fléchard , K.H. Shiromaru
17th International Conference on the Physics of Highly Charged Ions (HCI 2014), Aug 2014, San Carlos de Bariloche, Argentina. pp.49
Communication dans un congrès in2p3-01110087v1
Image document

Primary processes: from atoms to diatomic molecules and clusters

X. Fléchard , L. Adoui , G. Ban , P. Boduch , A. Cassimi
CIRIL, 30 years of interdisciplinary research at GANIL, Oct 2013, Caen, France. pp.012001, ⟨10.1088/1742-6596/629/1/012001⟩
Communication dans un congrès in2p3-01176181v1
Image document

Asymmetric electron capture in HCI collisions with rare gas dimers

J. Matsumoto , A. Leredde , X. Fléchard , S Shiromaru , Jimmy Rangama
28è Internationale Conference on Photonic, Electronic and Atomic Collisions (ICPEAC2013), Jul 2013, Lanzhou, China. pp.102010, ⟨10.1088/1742-6596/488/10/102010⟩
Communication dans un congrès in2p3-01597281v1

Multiple-ionization and dissociation dynamics of a rare gas dimer induced by highly charged ion impact

J. Matsumoto , A. Leredde , X. Fléchard , K. Hayakawa , H. Shiromaru
15th International Conference on the Physics of Highly Charged Ions, HCI2010, 2010, Shangai, China. pp.014016, ⟨10.1088/0031-8949/2011/T144/014016⟩
Communication dans un congrès in2p3-00643217v1

Asymmetry of charge sharing in argon dimer observed in the reaction plane

J. Matsumoto , A. Leredde , X. Fléchard , S Shiromaru , Jimmy Rangama
27e International Conference on Photonic, Electronic and Atomic Collisions (ICPEAC2011), Jul 2001, Belfast, Ireland. ⟨10.1088/1742-6596/388/10/102013⟩
Communication dans un congrès in2p3-01597325v1

Fragmentation Dynamics of Atomic and Molecular Clusters

A Méry , A. Agnihotri , J. Douady , X. Fléchard , B. Gervais
Recent Progress in Few-Body Physics - Proceedings of the 22nd International Conference on Few-Body Problems in Physics, pp.67-73, 2020, ⟨10.1007/978-3-030-32357-8_13⟩
Chapitre d'ouvrage hal-03345647v1

Ion-dimer collisions

A. Cassimi , B. Gervais , A. Méry , J. Rangama , X. Fléchard
Ion-Atom Collisions. The Few-Body Problem in Dynamic Systems, De Gruyter, pp.213-240, 2019, 978-3-11-057942-0. ⟨10.1515/9783110580297-009⟩
Chapitre d'ouvrage in2p3-02321745v1