An experimental study of OH(A2Σ+) + H2: Electronic quenching, rotational energy transfer, and collisional depolarization.
作者： M. Brouard , J. Lawlor , G. McCrudden , T. Perkins , S. A. Seamons
DOI: 10.1063/1.4989567
关键词:
摘要: Zeeman quantum beat spectroscopy has been used to determine the thermal (300 K) rate constants for electronic quenching, rotational energy transfer, and collisional depolarization of OH(A2Σ+) by H2. Cross sections both disorientation disalignment angular momentum in radical are reported. The experimental results + H2 compared previous work on He Ar systems. Further comparisons also made Kr system, which shown display significant non-adiabatic dynamics. data reveal that collisions survive quenching process highly depolarizing, reflecting deep potential wells exist excited state surface.
swan.ac.uk
scitation.org
harvard.edu
sci-hub.se 参考文章(45)
FJ Aoiz, M Brouard, CJ Eyles, J Kłos, MP De Miranda, None, The collisional depolarization of Σ2S+1 radicals by closed shell atoms: Theory and application to OH(A Σ2+)+Ar Journal of Chemical Physics. ,vol. 130, pp. 044305- 044305 ,(2009) , 10.1063/1.3061496
Paul J. Dagdigian, Millard H. Alexander, Dependence of elastic depolarization cross sections on the potential: OH(X Π2)-Ar and NO(X Π2)-Ar Journal of Chemical Physics. ,vol. 130, pp. 204304- 204304 ,(2009) , 10.1063/1.3139522
R. A. Copeland, Mark J. Dyer, David R. Crosley, Rotational‐level‐dependent quenching of A 2Σ+ OH and OD Journal of Chemical Physics. ,vol. 82, pp. 4022- 4032 ,(1985) , 10.1063/1.448843
Brooke L. Hemming, David R. Crosley, Joel E. Harrington, Volker Sick, Collisional quenching of high rotational levels in A 2Σ+ OH The Journal of Chemical Physics. ,vol. 115, pp. 3099- 3104 ,(2001) , 10.1063/1.1386783
Julia H. Lehman, Logan P. Dempsey, Marsha I. Lester, Bina Fu, Eugene Kamarchik, Joel M. Bowman, Collisional quenching of OD AΣ2+ by H2: Experimental and theoretical studies of the state-resolved OD XΠ2 product distribution and branching fraction Journal of Chemical Physics. ,vol. 133, pp. 164307- 164307 ,(2010) , 10.1063/1.3487734
Logan P. Dempsey, Craig Murray, Marsha I. Lester, Product branching between reactive and nonreactive pathways in the collisional quenching of OH AΣ+2 radicals by H2 Journal of Chemical Physics. ,vol. 127, pp. 151101- 151101 ,(2007) , 10.1063/1.2800316
ML Costen, Ruth Livingstone, KG McKendrick, G Paterson, M Brouard, H Chadwick, Y-P Chang, CJ Eyles, FJ Aoiz, J Kłos, None, Elastic depolarization of OH(A) by He and Ar: a comparative study. Journal of Physical Chemistry A. ,vol. 113, pp. 15156- 15170 ,(2009) , 10.1021/JP905348C
H Chadwick, M Brouard, Y-P Chang, CJ Eyles, G McCrudden, T Perkins, SA Seamons, J Kłos, MH Alexander, PJ Dagdigian, D Herráez-Aguilar, FJ Aoiz, None, The collisional depolarization of OH(A 2Σ+) and NO(A 2Σ+) with Kr Journal of Chemical Physics. ,vol. 140, pp. 054306- ,(2014) , 10.1063/1.4863446
Matthew L. Costen, Kenneth G. McKendrick, Orientation and alignment moments in two-color polarization spectroscopy. Journal of Chemical Physics. ,vol. 122, pp. 164309- 164309 ,(2005) , 10.1063/1.1883646
T Perkins, D Herráez-Aguilar, G McCrudden, J Kłos, FJ Aoiz, M Brouard, None, Surface-hopping trajectories for OH(A(2)Σ(+)) + Kr: extension to the 1A″ state. Journal of Chemical Physics. ,vol. 142, pp. 144307- 144307 ,(2015) , 10.1063/1.4916972