Femtosecond x-ray photoelectron diffraction on gas-phase dibromobenzene molecules

被引：43

作者：

Rolles, D. ^{[1
,2
,3
]}

Boll, R. ^{[1
,2
,4
]}

Adolph, M. ^{[5
]}

Aquila, A. ^{[6
,7
]}

Bostedt, C. ^{[8
]}

Bozek, J. D. ^{[8
]}

Chapman, H. N. ^{[6
,9
,10
]}

Coffee, R. ^{[8
]}

Coppola, N. ^{[6
,7
]}

Decleva, P. ^{[11
]}

Delmas, T. ^{[6
]}

Epp, S. W. ^{[1
,4
,12
]}

Erk, B. ^{[1
,2
,4
]}

Filsinger, F. ^{[13
]}

Foucar, L. ^{[1
,3
]}

Gumprecht, L. ^{[6
]}

Hoemke, A. ^{[1
,2
,4
]}

Gorkhover, T. ^{[5
]}

Holmegaard, L. ^{[6
,14
]}

Johnsson, P. ^{[15
]}

Kaiser, Ch ^{[4
]}

Krasniqi, F. ^{[1
,3
,12
]}

Kuehnel, K-U

Maurer, J. ^{[14
]}

Messerschmidt, M. ^{[8
]}

Moshammer, R. ^{[4
]}

Quevedo, W. ^{[16
]}

Rajkovic, I. ^{[16
]}

Rouzee, A. ^{[17
,18
]}

Rudek, B. ^{[1
,2
,4
,19
]}

Schlichting, I. ^{[1
,3
]}

Schmidt, C. ^{[1
,2
,4
]}

Schorb, S. ^{[5
,8
]}

Schroeter, C. D. ^{[4
]}

Schulz, J. ^{[6
,7
]}

Stapelfeldt, H. ^{[14
]}

Stener, M. ^{[11
]}

Stern, S. ^{[6
,9
]}

Techert, S. ^{[2
,16
,20
]}

Thogersen, J. ^{[14
]}

Vrakking, M. J. J. ^{[17
,18
]}

Rudenko, A. ^{[1
,4
,21
]}

Kuepper, J. ^{[1
,6
,9
,10
,13
]}

Ullrich, J. ^{[1
,4
,19
]}

机构：

[1] Max Planck Adv Study Grp CFEL, D-22607 Hamburg, Germany

[2] DESY, D-22607 Hamburg, Germany

[3] Max Planck Inst Med Res, D-69120 Heidelberg, Germany

[4] Max Planck Inst Nucl Phys, D-69117 Heidelberg, Germany

[5] Tech Univ Berlin, D-10623 Berlin, Germany

[6] DESY, Ctr Free Electron Laser Sci, D-22607 Hamburg, Germany

[7] European Xray Free Electron Laser XFEL GmbH, D-22761 Hamburg, Germany

[8] SLAC Natl Accelerator Lab, Menlo Pk, CA 94025 USA

[9] Univ Hamburg, Dept Phys, D-22761 Hamburg, Germany

[10] Univ Hamburg, Hamburg Ctr Ultrafast Imaging, D-22761 Hamburg, Germany

[11] Univ Trieste, Dipartimento Sci Chim & Farmaceut, I-34127 Trieste, Italy

[12] Max Planck Inst Struct & Dynam Matter, D-22607 Hamburg, Germany

[13] Fritz Haber Inst MPG, D-14195 Berlin, Germany

[14] Aarhus Univ, DK-8000 Aarhus C, Denmark

[15] Lund Univ, Dept Phys, S-22100 Lund, Sweden

[16] Max Planck Inst Biophys Chem, D-37077 Gottingen, Germany

[17] Max Born Inst, D-12489 Berlin, Germany

[18] FOM Inst AMOLF, NL-1098 XG Amsterdam, Netherlands

[19] Phys Tech Bundesanstalt, D-38116 Braunschweig, Germany

[20] Univ Gottingen, Inst Xray Phys, D-37077 Gottingen, Germany

[21] Kansas State Univ, JR Macdonald Lab, Manhattan, KS 66506 USA

来源：

JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS | 2014年 / 47卷 / 12期

基金：

瑞典研究理事会;

关键词：

free-electron laser; photoelectron diffraction; molecular-frame photoelectron angular distributions; laser alignment; femtosecond pump-probe; FREE-ELECTRON LASER; SPACE OCS MOLECULES; ANGULAR-DISTRIBUTIONS; DIATOMIC-MOLECULES; CO MOLECULES; NO MOLECULES; PHOTOIONIZATION; DYNAMICS; SCATTERING; ALIGNMENT;

D O I：

10.1088/0953-4075/47/12/124035

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present time-resolved femtosecond photoelectron momentum images and angular distributions of dissociating, laser-aligned 1,4-dibromobenzene (C6H4Br2) molecules measured in a near-infrared pump, soft-x-ray probe experiment performed at an x-ray free-electron laser. The observed alignment dependence of the bromine 2p photoelectron angular distributions is compared to density functional theory calculations and interpreted in terms of photoelectron diffraction. While no clear time-dependent effects are observed in the angular distribution of the Br(2p) photoelectrons, other, low-energy electrons show a pronounced dependence on the time delay between the near-infrared laser and the x-ray pulse.

引用

页数：12

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