Effects of target thickness on the shape of the bremsstrahlung energy spectrum of Pb in the photon energy region of 1–100 keV

2021 ◽  
Author(s):  
Amrit Singh ◽  
A. S. Dhaliwal
2019 ◽  
Vol 212 ◽  
pp. 04012
Author(s):  
S. S. Tolmachev ◽  
R. R. Akhmetshin ◽  
A. N. Amirkhanov ◽  
A. V. Anisenkov ◽  
V. M. Aulchenko ◽  
...  

Existing Monte-Carlo generators with radiative corrections to the e+e-→π+π- process are usually developed under the assumption that pions can be treated as pointlike particles. We study the e+e-→π+π-γ process with final-state radiation and test this assumption using simulated events from the MCGPJ generator based on the scalar QED hypothesis. In order to increase a fraction of events with FSR, the analysis was performed in the energy region to the left from the ρ-meson peak (660÷785 MeV) that is based on the integrated luminosity of about 8.4 pb-1. The experimental data for the photon energy spectrum agree with the simulation results at 1% level.


2014 ◽  
Vol 44 (8) ◽  
pp. 1026-1030
Author(s):  
Mark G. Benz ◽  
Matthew W. Benz ◽  
Steven B. Birnbaum ◽  
Eric Chason ◽  
Brian W. Sheldon ◽  
...  

2017 ◽  
Vol 130 ◽  
pp. 1-6
Author(s):  
Suhansar Jit Sharma ◽  
Tajinder Singh ◽  
Doordarshi Singh ◽  
Amrit Singh ◽  
A.S. Dhaliwal

2006 ◽  
Vol 39 (20) ◽  
pp. 4169-4177 ◽  
Author(s):  
A Caló ◽  
S Atanassova ◽  
R Sankari ◽  
A Kivimäki ◽  
H Aksela ◽  
...  
Keyword(s):  

1997 ◽  
Vol 484 ◽  
Author(s):  
Atsuhiko Fukuyama ◽  
Yoshito Akashi ◽  
Kenji Yoshino ◽  
Kouji Maeda ◽  
Tetsuo Ikari

AbstractThe effect of the secondary light illumination of hv = 0.9 eV on the photoquenched and the enhanced states in semi-insulating GaAs are investigated by using piezoelectric photoacoustic (PPA) measurements at 80 K. It is found that the secondary light causes an optical recovery from EL2* to EL2° and this is in agrezment with the result reported by using infrared optical absorption measurements. We observed a broad peak around 0.9 eV after the secondary light illumination for the first time. The most important finding is that the PPA spectra after the secondary light illumination on the quenched and the enhanced states are the same in the whole photon energy region. We concluded that the secondary light of hv = 0.9 eV induces both an optical recovery and generation of metastable state of the EL6 level. The difference of the transformation rates of these two processes explains well the observed complex natures of the PPA signal under the secondary light illumination.


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