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Holger Kreckel


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Papers in Press and in Preparation
2. H. Kreckel, and D. W. Savin, "Negative ion chemistry in the early universe", to be published in Modern Concepts in Laboratory Astrochemistry from Molecules, through Nanoparticles to Grains, S. Schlemmer, H. Mutschke, and T. Giesen, editors (Wiley, in preparation).
1. H. Kreckel, H. Bruhns, K.A. Miller, X. Urbain, and D. W. Savin, "Creation of a fast, ground state hydrogen atom beam", in preparation.


Publications in Peer-Reviewed Journals

38. K.A. Miller, H. Bruhns, M. Cížek, J. Eliášek, R. Cabrera-Trujillo, H. Kreckel, A.P. O'Connor, X. Urbain, D.W. Savin "Isotope effect for associative detachment: H(D)- + H(D)-> H2(D2)+ e- ", Phys. Rev. A, 86, 032714 (2012)
37. F. Grussie, M.H. Berg, K.N. Crabtree, S. Gaertner, B.J. McCall, S. Schlemmer, A. Wolf, H. Kreckel, "The Low-Temperature Nuclear Spin Equilibrium of H3+ in Collisions with H2", Astrophys. J. 759, 21 (2012)
36. H. Kreckel, A. Petrignani, O. Novotny. K. Crabtree, H. Buhr, B.J. McCall, A. Wolf, "Storage ring measurements of the dissociative recombination of H3+", Phil. Trans. R. Soc. A, 370, 5088 (2012)
35. A.A. Mills, B.M. Siller, M.W. Porambo, M. Perera, H. Kreckel, and B.J. McCall, "Ultra-sensitive high-precision spectroscopy of a fast molecular ion beam", J. Chem. Phys. 135, 224201 (2011).
34. B. Jordon-Thaden, H. Kreckel, R. Golser (and 16 co-authors), "Structure and stability of the negative hydrogen molecular ion", Phys. Rev. Lett. 107, 193003 (2011).
featured in: Physics Today, December 2011,
and APS Physics, "The simplest Molecular Anion".
33. K. A. Miller, H. Bruhns, J. Eliasek, M. Cizek, H. Kreckel, X. Urbain, and D. W. Savin, "Associative detachment of H- + H -> H2 + e-", Phys. Rev. A. 84, 052709 (2011).
32. A. Petrignani, S. Altevogt, M.H. Berg, D. Bing, M. Grieser, J. Hoffmann, B. Jordon-Thaden, C. Krantz, M.B. Mendes, O. Novotný, S. Novotny, D.A. Orlov, R. Repnow, T. Sorg, J. Stützel, A. Wolf, H. Buhr, H. Kreckel, V. Kokoouline, and C.H. Greene, "Resonant structure of low-energy H3+ dissociative recombination", Phys. Rev. A 83, 032711 (2011).
31. K.N. Crabtree, N. Indriolo, H. Kreckel, B.A. Tom, B.J. McCall, "On the ortho:para ratio
of H3+ in diffuse molecular cloud", Astrophys. J. 729, 15 (2011).
30. H. Kreckel, O. Novotny, K.N. Crabtree, H. Buhr, A. Petrignani, B.A. Tom, (and 12 coauthors), "High-resolution storage-ring measurements of the dissociative recombination of H3+ using a supersonic expansion ion source", Phys. Rev. A 82, 042715 (2010).
29. H. Bruhns, H. Kreckel, K.A. Miller, X. Urbain, and D.W. Savin, "Absolute measurement of the H- + H → H2 + e- associative detachment reaction using a merged beams apparatus",Phys. Rev. A, 82, 042708 (2010).
28.H. Kreckel, H. Bruhns, M. Cizek, S.C.O. Glover, K. A. Miller, X. Urbain, and D.W. Savin, "Experimental results for H2 formation from H- and H and implications for first star formation", Science 329, 69 (2010),
featured in: Science (perspectives), V. Bromm, Science 329, 45 (2010).
27. H. Kreckel, H. Bruhns, K. A. Miller, E. Wahlin, A. Davis, S. Hoeckh, and D. W. Savin, "A simple double-focusing electrostatic ion beam deflector", Rev. Sci. Instrum, 81, 063304 (2010).
26. H. Bruhns, H. Kreckel, K. Miller, M. Lestinsky, B. Seredyuk, W. Mitthumsiri, B.L. Schmitt, M. Schnell, X. Urbain, M.L. Rappaport, C.C. Havener, and D.W. Savin, "A novel merged beams apparatus to study anion-neutral reaction", Rev. Sci. Instrum. 81, 013112 (2010).
25. D. Shafir, S. Novotny, H. Buhr, S. Altevogt, A. Faure, M. Grieser, A. G. Harvey, O. Heber, J. Hoffmann, H. Kreckel, (and 9 coauthors), "Rotational cooling of HD+ molecular ions by superelastic collisions with electrons", Phys. Rev. Lett. 102, 223202 (2009).
24. P. Bryans, H. Kreckel, E. Roueff, V. Wakelam, and D.W. Savin, "Molecular cloud chemistry and the importance of dielectronic recombination", Astrophys. J. 694, 286 (2009).
23. H. Kreckel, D. Bing, S. Reinhardt, A. Petrignani, M. Berg, A. Wolf, "Chemical probing spectroscopy of H3+ above the barrier to linearity", J. Chem. Phys. 119, 164312 (2008),
selected for Online Publication in Ultrafast Science, November 2008.
22. H. Bruhns, H. Kreckel, D. W. Savin, D. G. Seely, and C. C. Havener, "Low-energy charge transfer for collisions of Si3+ with atomic hydrogen", Phys. Rev. A 77, 064702 (2008).
21. H. Buhr, H. B. Pedersen, S. Altevogt, V. M. Andrianarijaona, H. Kreckel, (and 13 coauthors), "Inelastic electron collisions of the isotopically symmetric helium dimer 4He2+ in a storage ring", Phys. Rev. A 77, 032719 (2008).
20. I. Nevo, S. Novotny, H. Buhr, V. Andrianarijaona, S. Altevogt, O. Heber, J. Hoffmann, H. Kreckel, L. Lammich, M. Lestinsky, H.B. Pedersen, D. Schwalm, A,. Wolf, D. Zajfman, "Three-body kinematical correlation in the dissociative recombination of CH2+ by three-dimensional imaging", Phys. Rev. A 76, 022713 (2007).
19.L. Lammich, S. Altevogt, H. Buhr, H. Kreckel (and 11 coauthors), "Electron-impact dissociation and transient properties of a stored LiH2- beam", Eur. Phys. Journal D 41, 103 (2007).
18. J. Glosik, P. Hlavenka, R. Plasil, F. Windisch, D. Gerlich, A. Wolf, and H. Kreckel, "Action spectroscopy of H3+ and D2H+ using overtone excitation", Phil. Trans. Roy. Soc. London 364, 2981 (2006).
17. A. Wolf, H. Kreckel M. Motsch, J. Mikosch, (and 20 coauthors), "Effects of molecular rotation in low-energy electron collisions of H3+", Phil. Trans. Roy. Soc. London 364, 2931 (2006).
16. R. Garcia-Molina, I. Abril, S. Heredia-Avalos, L. Lammich, H. Buhr, H.Kreckel, S. Krohn, D. Strasser, R. Wester, A. Wolf, D. Zajfman, and D. Schwalm, "Wake effects in the evolution of fast molecular ions through thin foil", Nucl. Instr. Meth. B 230, 41 (2005).
15. H. B. Pedersen, H. Buhr, S. Altevogt, V. Andrianarijaona, H. Kreckel, (and 8 coauthors), "Dissociative recombination and low-energy inelastic electron collisions of the helium dimer ion", Phys. Rev. A 72, 012712 (2005).
14. H. Kreckel, M. Motsch, J. Mikosch, J. Glosik, (and 18 coauthors), "High resolution dissociative recombination of cold H3+ and first evidence for nuclear spin effects", Phys. Rev. Lett. 95, 263201 (2005),
featured in: Nature (News and Views), B.J. McCall, Nature 440, 157 (2005).
13.A. Wolf, S. Krohn, H. Kreckel, L. Lammich, M. Lange, D. Strasser, M. Grieser, D. Schwalm, and D. Zajfman, "Cooling of molecular ion beams", Nucl. Instr. Meth. A 532, 69 (2004).
12.D. Strasser, L. Lammich, H. Kreckel, M. Lange, S. Krohn, D. Schwalm, A. Wolf, and D. Zajfman, "Breakup dynamics and isotope effects in D2H+ and H2D+ dissociative recombination", Phys. Rev. A 69, 064702 (2004).
11.L. Lammich, H. Buhr, H. Kreckel, (and 11 coauthors), "Coulomb explosion imaging of CH2+: target polarization effects and bond angle distribution", Phys. Rev. A 69, 062904 (2004).
10.A. Wolf, L. Lammich, D. Strasser, S. Altevogt, V. Andrianarijaona, H. Buhr, O. Heber, H. Kreckel, H. Pedersen, D. Schwalm, and D. Zajfman, "Storage ring experiments with cold molecular ions: the H3+ puzzle", Phys. Scripta T110, 193 (2004).
9.H. Kreckel, J. Tennyson, D. Schwalm, D. Zajfman and A. Wolf, "Rovibrational relaxation model for H3+", New J. Phys. 6, 151 (2004).
8.J. Mikosch, H. Kreckel, R. Wester, R. Plasil, J. Glosik, D. Gerlich, D. Schwalm, and A. Wolf, "Action spectroscopy and temperature diagnostics of H3+ by chemical probing", J. Chem. Phys. 121, 11030 (2004).
7.D. Zajfman, S. Krohn, M. Lange, H. Kreckel, L. Lammich, D. Strasser, D. Schwalm, X. Urbain, and A. Wolf, "Physics with molecular ions in storage rings", Nucl. Inst. Meth. B 205, 360 (2003).
6. L. Lammich, H. Kreckel, S. Krohn, M. Lange, D. Schwalm, D. Strasser, A. Wolf, and D. Zajfman, "Breakup dynamics in the dissociative recombination of H3+ and its isotopomers", Rad. Phys. Chem. 68, 175 (2003).
5.L. Lammich, D. Strasser, H. Kreckel, (and 10 coauthors), "Evidence for subthermal rotational populations in stored molecular ions through state-dependent dissociative recombination", Phys. Rev. Lett. 91, 143201 (2003).
4. D. Strasser, L. Lammich, H. Kreckel, S. Krohn, M. Lange, A. Naaman, D. Schwalm, A. Wolf, and D. Zajfman, "Breakup dynamics and isotope effect in H3+ and D3+ dissociative recombination", Phys. Rev. A 66, 032719 (2002).
3.H. Kreckel, S. Krohn, L. Lammich, M. Lange, J. Levin, M. Scheffel, D. Schwalm, J. Tennyson, Z. Vager, R. Wester, A. Wolf, and D. Zajfman, "Vibrational and rotational cooling of H3+", Phys. Rev. A 66, 052509 (2002).
2. D. Strasser, L. Lammich, S. Krohn, M. Lange, H. Kreckel, J. Levin, D. Schwalm, Z. Vager, R. Wester, A. Wolf, and D. Zajfman, "Two- and three-body kinematical correlation in the dissociative recombination of H3+", Phys. Rev. Lett. 86, 779 (2001).
1. S. Krohn, M. Lange, M. Grieser, L. Knoll, H. Kreckel, J. Levin, R. Repnow, D. Schwalm, R. Wester, P. Witte, A. Wolf, and D. Zajfman, "Rate Coefficients and Final States for the Dissociative Recombination of LiH+", Phys. Rev. Lett. 86, 4005 (2001).

Conference Proceedings
11. H. Kreckel, H. Bruhns, M. Cizek, S.C.O. Glover, K.A. Miller, X. Urbain, and D.W. Savin, "Experimental results for H2 formation from H- and H and implications for first star formation", proceedings SMILES workshop, Kos, Greece, 2010, to be published by AIP.
10. D. Schwalm, D. Shafir, S. Novotny, H. Buhr, S. Altevogt, A. Faure, M. Grieser, A.G. Harvey, O. Heber, J. Hoffmann, H. Kreckel, (and 10 coauthors), "Rotational Cooling of HD+ by Superelastic Collisions with Electrons", J. Phys.: Conf. Ser. 300, 012006 (2011).
9. D.W. Savin H. Bruhns, S.C.O. Glover, H. Kreckel, M. Cizek, K. A. Miller, and X. Urbain, "Laboratory simulations of molecular hydrogen formation in the early universe: a progress report", First Stars and Galaxies workshop, Austin TX, 2010,First Stars and Galaxies workshop, AIP Conference Proceedings 1294, 62 (2010).
8. H. Buhr, H.B. Pedersen, S. Altevogt, V.M. Andrianarijaona, H. Kreckel, (and 13 coauthors), "Electron collisions with 4He2+ at the TSR", J. Phys.: Conf. Ser. 192, 012013 (2009).
7. A. Petrignani, H. Kreckel, (and 15 coauthors), "Spectroscopy and dissociative recombination of the lowest rotational states of H3+", J. Phys.: Conf. Ser. 192, 012022 (2009).
6. H. Kreckel, A. Petrignani, M. Berg, D. Bing, S. Reinhardt, (and 19 coauthors), "Electron collisions and rovibrational action spectroscopy of cold H3+ molecules", J. Phys.: Conf. Ser. 88, 012064 (2007).
5. H.B. Pedersen, H. Buhr, S. Altevogt, V. Andrianarijaona, H. Kreckel, (and 8 coauthors), "Storage ring studies on dissociative recombination and internal excitation of helium dimer ions", J. Phys.: Conf. Ser. 4, 168 (2005).
4. H. Kreckel, J. Mikosch, R. Wester, J. Glosik, R. Plasil, M. Motsch, D. Gerlich, D. Schwalm, D. Zajfman, and A. Wolf, "Towards state selective measurements of the H3+ dissociative recombination rate coefficient", J. Phys.: Conf. Ser. 4, 126 (2005).
3. L. Lammich, D. Strasser, H. Kreckel, S. Altevogt, V. Andrianarijaona, H. Buhr, M. Lange, H.B. Pedersen, D. Schwalm, A. Wolf, and D. Zajfman, "DR rate coefficient measurements using stored beams of H3+ and its isotopomers", J. Phys.: Conf. Ser. 4, 98 (2005).
2. S. Krohn, Z. Amitay, A. Baer, Z. Vager, D. Zajfman, H. Kreckel, (and 6 coauthors), "Vibrational population diagnostics for dissociative recombination experiments at the TSR using Coulomb explosion imaging", in: Dissociative Recombination: Theory, Experiment and Applications IV, ed. by M. Larsson, J.B.A. Mitchell, I.F. Schneider, (World Scientific, Singapore, 2000), p. 277.
1. M. Lange, J. Levin, L. Knoll, H. Kreckel, (and 6 coauthors), "New measurements of the dissociative recombination cross section of HD+ and the importance of electron beam geometry", in: Dissociative Recombination: Theory, Experiment and Applications IV, ed. by M. Larsson, J.B.A. Mitchell, I.F. Schneider, (World Scientific, Singapore, 2000), p. 265.
Updated: Aug 16 2011 H. Kreckel