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Showing 1 to 12 of 73 entries
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Photoelectron-photoion momentum spectroscopy as a clock for chemical rearrangements: isomerization of the di-cation of acetylene to the vinylidene configuration.

Physical review letters

Osipov T, Cocke CL, Prior MH, Landers A, Weber T, Jagutzki O, Schmidt L, Schmidt-Böcking H, Dörner R.
PMID: 12857254
Phys Rev Lett. 2003 Jun 13;90(23):233002. doi: 10.1103/PhysRevLett.90.233002. Epub 2003 Jun 10.

We have used complete correlated momentum mapping of the photoelectron and heavy ion products from the dissociation of the di-cation of acetylene, induced by photoionizing the carbon K shell of one of the atoms, to map out the angular...

Experimental separation of virtual photon exchange and electron transfer in interatomic coulombic decay of neon dimers.

Physical review letters

Jahnke T, Czasch A, Schöffler M, Schössler S, Käsz M, Titze J, Kreidi K, Grisenti RE, Staudte A, Jagutzki O, Schmidt LP, Weber T, Schmidt-Böcking H, Ueda K, Dörner R.
PMID: 17995162
Phys Rev Lett. 2007 Oct 12;99(15):153401. doi: 10.1103/PhysRevLett.99.153401. Epub 2007 Oct 12.

We investigate the interatomic Coulombic decay (ICD) of neon dimers following photoionization with simultaneous excitation of the ionized atom (shakeup) in a multiparticle coincidence experiment. We find that, depending on the parity of the excited state, which determines whether...

Fragmentation dynamics of CO(2)(3+) investigated by multiple electron capture in collisions with slow highly charged ions.

Physical review letters

Neumann N, Hant D, Schmidt LP, Titze J, Jahnke T, Czasch A, Schöffler MS, Kreidi K, Jagutzki O, Schmidt-Böcking H, Dörner R.
PMID: 20366421
Phys Rev Lett. 2010 Mar 12;104(10):103201. doi: 10.1103/PhysRevLett.104.103201. Epub 2010 Mar 09.

Fragmentation of highly charged molecular ions or clusters consisting of more than two atoms can proceed in a one step synchronous manner where all bonds break simultaneously or sequentially by emitting one ion after the other. We separated these...

Interatomic Coulombic decay following photoionization of the helium dimer: observation of vibrational structure.

Physical review letters

Havermeier T, Jahnke T, Kreidi K, Wallauer R, Voss S, Schöffler M, Schössler S, Foucar L, Neumann N, Titze J, Sann H, Kühnel M, Voigtsberger J, Morilla JH, Schöllkopf W, Schmidt-Böcking H, Grisenti RE, Dörner R.
PMID: 20481883
Phys Rev Lett. 2010 Apr 02;104(13):133401. doi: 10.1103/PhysRevLett.104.133401. Epub 2010 Mar 31.

Using synchrotron radiation we simultaneously ionize and excite one helium atom of a helium dimer (He2) in a shakeup process. The populated states of the dimer ion [i.e., He(*+)(n = 2, 3) - He] are found to deexcite via...

Direct determination of absolute molecular stereochemistry in gas phase by Coulomb explosion imaging.

Science (New York, N.Y.)

Pitzer M, Kunitski M, Johnson AS, Jahnke T, Sann H, Sturm F, Schmidt LP, Schmidt-Böcking H, Dörner R, Stohner J, Kiedrowski J, Reggelin M, Marquardt S, Schießer A, Berger R, Schöffler MS.
PMID: 24009390
Science. 2013 Sep 06;341(6150):1096-100. doi: 10.1126/science.1240362.

Bijvoet's method, which makes use of anomalous x-ray diffraction or dispersion, is the standard means of directly determining the absolute (stereochemical) configuration of molecules, but it requires crystalline samples and often proves challenging in structures exclusively comprising light atoms....

Ratio of cross sections for double to single ionization of He by 85-400 eV photons.

Physical review letters

Ali I, Cocke CL, Damrau M, Denlinger J, Dörner R, Hsu CC, Jagutzki O, Jung M, Kanter EP, Khemliche H, Kravis S, Manson ST, Mergel V, Prior MH, Rotenberg E, Schmidt-Böcking H, Sonntag B, Spielberger L, Ullmann K, Ullrich J, Unverzagt M, Vogt T, Warwick T, Weaver B.
PMID: 10060755
Phys Rev Lett. 1996 Apr 08;76(15):2654-2657. doi: 10.1103/PhysRevLett.76.2654.

No abstract available.

Imaging of Saddle Point Electron Emission in Slow p-He Collisions.

Physical review letters

Cocke CL, Dörner R, Gary JA, Khemliche H, Mergel V, Olson RE, Prior MH, Schmidt-Böcking H, Ullrich J.
PMID: 10062559
Phys Rev Lett. 1996 Nov 25;77(22):4520-4523. doi: 10.1103/PhysRevLett.77.4520.

No abstract available.

Steep dependence of recoil-ion energy on coincident projectile and target ionization in swift ion-atom collisions.

Physical review. A, General physics

Cederquist H, Elston SB, Gibbons JP, Levin JC, O C, Schmidt-Böcking H, Sellin IA, Short RT.
PMID: 9899044
Phys Rev A Gen Phys. 1987 Aug 15;36(4):1649-1652. doi: 10.1103/physreva.36.1649.

No abstract available.

Influence of the recoil effect in Ti K-shell ionization probabilities.

Physical review. A, Atomic, molecular, and optical physics

Bräuning H, Dangendorf V, Kauer T, Schmidt-Böcking H, Trautmann D, Ullmann K.
PMID: 9906284
Phys Rev A. 1991 Sep 01;44(5):2868-2873. doi: 10.1103/physreva.44.2868.

No abstract available.

Differential transfer ionization cross sections for 50-175-keV proton-helium collisions.

Physical review. A, Atomic, molecular, and optical physics

Bonham SM, Bross SW, Gaus AD, Peacher JL, Schmidt-Böcking H, Schulz M, Vajnai T.
PMID: 9910898
Phys Rev A. 1994 Jul;50(1):337-342. doi: 10.1103/physreva.50.337.

No abstract available.

Electron diffraction self-imaging of molecular fragmentation in two-step double ionization of water.

Physical review letters

Sann H, Jahnke T, Havermeier T, Kreidi K, Stuck C, Meckel M, Schöffler MS, Neumann N, Wallauer R, Voss S, Czasch A, Jagutzki O, Weber T, Schmidt-Böcking H, Miyabe S, Haxton DJ, Orel AE, Rescigno TN, Dörner R.
PMID: 21517378
Phys Rev Lett. 2011 Apr 01;106(13):133001. doi: 10.1103/PhysRevLett.106.133001. Epub 2011 Mar 29.

We doubly ionize H(2)O by single photon absorption at 43 eV leading to H(+) + OH(+). A direct double ionization and a sequential process in which single ionization is followed by rapid dissociation into a proton and an autoionizing...

Fourfold Differential Photoelectron Circular Dichroism.

Physical review letters

Fehre K, Novikovskiy NM, Grundmann S, Kastirke G, Eckart S, Trinter F, Rist J, Hartung A, Trabert D, Janke C, Nalin G, Pitzer M, Zeller S, Wiegandt F, Weller M, Kircher M, Hofmann M, Schmidt LPH, Knie A, Hans A, Ltaief LB, Ehresmann A, Berger R, Fukuzawa H, Ueda K, Schmidt-Böcking H, Williams JB, Jahnke T, Dörner R, Schöffler MS, Demekhin PV.
PMID: 34533326
Phys Rev Lett. 2021 Sep 03;127(10):103201. doi: 10.1103/PhysRevLett.127.103201.

We report on a joint experimental and theoretical study of photoelectron circular dichroism (PECD) in methyloxirane. By detecting O 1s photoelectrons in coincidence with fragment ions, we deduce the molecule's orientation and photoelectron emission direction in the laboratory frame....

Showing 1 to 12 of 73 entries