Two-Photon Cross Section forW-Pair Production by Colliding Beams

1973 ◽  
Vol 8 (3) ◽  
pp. 945-952 ◽  
Author(s):  
Peter D. Pesic
Keyword(s):  
Pair Production ◽  
Cross Section ◽  
Two Photon ◽  
Colliding Beams ◽  
Photon Cross Section

Absolute two-photon cross section of Rb measured by differential absorption

1993 ◽  
Vol 18 (20) ◽  
pp. 1754 ◽  
Author(s):  
C. L. A. Collins ◽  
K. D. Bonin ◽  
M. A. Kadar-Kallen
Keyword(s):  
Cross Section ◽  
Differential Absorption ◽  
Two Photon ◽  
Photon Cross Section

scholarly journals Pair production in a magnetic and radiation field in a pulsar magnetosphere

2015 ◽  
Vol 30 (25) ◽  
pp. 1550111 ◽  
Author(s):  
M. M. Diachenko ◽  
O. P. Novak ◽  
R. I. Kholodov
Keyword(s):  
Magnetic Field ◽  
Pair Production ◽  
Production Process ◽  
Cross Section ◽  
Photon Production ◽  
Photon Pair ◽  
Pulsar Magnetosphere ◽  
Plasma Generation ◽  
Resonant Case ◽  
Two Photon

In this paper one- and two-photon pair production in a subcritical magnetic field have been considered. Two-photon production has been studied in the resonant case, when the cross-section considerably increases compared to the non-resonant case. While one-photon pair production is considered to be the main mechanism of plasma generation in a pulsar magnetosphere, we suggest the existence of another one, which is resonant two-photon production process.

Design of Emission Ratiometric Metal-Ion Sensors with Enhanced Two-Photon Cross Section and Brightness

2007 ◽  
Vol 129 (39) ◽  
pp. 11888-11889 ◽  
Author(s):  
S. Sumalekshmy ◽  
Maged M. Henary ◽  
Nisan Siegel ◽  
PaDreyia V. Lawson ◽  
Wu ◽  
...  
Keyword(s):  
Cross Section ◽  
Metal Ion ◽  
Ion Sensors ◽  
Two Photon ◽  
Metal Ion Sensors ◽  
Photon Cross Section

Fluorescent Enzymatic Probes Suitable for Two-Photon Excitation

1998 ◽  
Vol 52 (2) ◽  
pp. 298-302 ◽  
Author(s):  
Kenneth S. Overway ◽  
Fred E. Lytle
Keyword(s):  
Spectral Data ◽  
Cross Section ◽  
Aromatic Amine ◽  
Coumarin Derivative ◽  
Limits Of Detection ◽  
Two Photon ◽  
Photon Excitation ◽  
Two Photon Excitation ◽  
Photon Cross Section

Several common aminopeptidase probes are examined for the strength of two-photon excited fluorescence. The fluorophores 4-methoxy-β-naphthylamine and 7-amino-4-methylcoumarin have limits of detection of 930 pM and 200 pM, respectively. The coumarin derivative is shown to have a two-photon cross section at 590 nm, which is exceptionally large for an aromatic amine. Spectral data for this compound also indicate that excitation near 690 nm should permit quantitation at concentrations as low as 40 pM.

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