نتایج جستجو برای: coincidence imaging

تعداد نتایج: 466798  

Journal: :Journal of Molecular Spectroscopy 2021

VUV photoionization dynamics of the S2 molecule were re-investigated from threshold up to 15.0 eV, using synchrotron radiation coupled with double imaging photoelectron/photoion coincidence featuring high resolution capabilities. We measured first photoelectron spectrum achieving higher than previous literature derive accurate spectroscopic constants for a few electronic states cation including...

Journal: :Faraday discussions 2004
O Gessner E t-H Chrysostom A M D Lee D M Wardlaw M L Ho S J Lee B M Cheng M Z Zgierski I C Chen J P Shaffer C C Hayden A Stolow

Time-resolved photoelectron spectroscopy (TRPES) is emerging as a useful tool for the study of non-adiabatic dynamics in isolated polyatomic molecules and clusters due to its sensitivity to both electronic and vibrational dynamics. A powerful extension of TRPES, coincidence imaging spectroscopy (CIS), based upon femtosecond time-resolved 3D momentum vector imaging of both photoions and photoele...

2009
Sidney P. Kuo Kevin J. Bender Pierre F. Apostolides Laurence O. Trussell

38 The avian nucleus laminaris (NL) encodes the azimuthal location of low-frequency sound 39 sources by detecting the coincidence of binaural signals. Accurate coincidence detection 40 requires precise developmental regulation of the lengths of the fine, bitufted dendrites 41 which characterize neurons in NL. Such regulation has been suggested to be driven by 42 local, synaptically mediated, de...

Journal: :Journal of neurophysiology 2009
Trillium Blackmer Sidney P Kuo Kevin J Bender Pierre F Apostolides Laurence O Trussell

The avian nucleus laminaris (NL) encodes the azimuthal location of low-frequency sound sources by detecting the coincidence of binaural signals. Accurate coincidence detection requires precise developmental regulation of the lengths of the fine, bitufted dendrites that characterize neurons in NL. Such regulation has been suggested to be driven by local, synaptically mediated, dendritic signals ...

1996
Terry Jones

The attendees of this conference have their own views of the operation of a cyclotron. In the context of this paper it is viewed primarily as a source of positron emitting radioisotopes which are used for molecular imaging based on positron emitting tracers and positron emission tomography (PET). This form of imaging is the most sensitive and specific method for measuring, in life, molecular in...

2013
Y Hikosaka P Lablanquie M Nakano

We have studied double photoionization from molecular inner-shell orbitals and investigated the properties of the resultant double core-hole states in molecules, by multielectron coincidence spectroscopy with a magnetic bottle electron spectrometer. A brief summary of our previous studies is presented.

1999
P. S. Howe C. Schubert E. Sokatchev P. C. West

Some aspects of correlation functions in N = 4 SYM are discussed. Using N = 4 harmonic su-perspace we study two and three-point correlation functions which are of contact type and argue that these contact terms will not affect the non-renormalisation theorem for such correlators at non-coincident points. We then present a perturbative calculation of a five-point function at two loops in N = 2 h...

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