The role of the neutrino electromagnetic moments in the stellar energy loss rate

1992 ◽  
Vol 274 (3-4) ◽  
pp. 477-482 ◽  
Author(s):  
B.K. Kerimov ◽  
S.M. Zeinalov ◽  
V.N. Alizade ◽  
A.M. Mourão
2021 ◽  
Vol 36 (26) ◽  
Author(s):  
D. T. Binh ◽  
L. T. Hue ◽  
V. H. Binh ◽  
H. N. Long

We evaluate the stellar energy-loss rates [Formula: see text] due to the production of neutrino pair in 3-3-1 models. The energy loss rate [Formula: see text] is evaluated for different values of [Formula: see text] in which [Formula: see text] is a parameter used to define the charge operator in the 331 models. We show that the contribution of dipole moment to the energy loss rate is small compared to the contribution of new natural gauge boson [Formula: see text]. The correction [Formula: see text] compared with that of Standard Model is evaluated and do not exceed 14% and is highest with [Formula: see text]. Of all the evaluated models, model with [Formula: see text] give a relative large [Formula: see text] correction for the mass of [Formula: see text][Formula: see text] GeV. This mass range is within the searching range for [Formula: see text] boson at LHC.


2016 ◽  
Author(s):  
Meenhaz Ansari ◽  
S. S. Z. Ashraf ◽  
Afzal Ahmad

Applied laser ◽  
2014 ◽  
Vol 34 (6) ◽  
pp. 589-592
Author(s):  
张程 Zhang Cheng ◽  
陈雪辉 Chen Xuehui ◽  
袁根福 Yuan Genfu

1983 ◽  
Vol 29 (1) ◽  
pp. 131-137 ◽  
Author(s):  
M. H. A. Hassan ◽  
P. H. Sakanaka

The energy loss rate, Ė, of test ions injected with velocity V into a Maxwellian electron-ion plasma in the presence of an external magnetic field, is studied. Most of the integrals appearing in the expression for Ė are evaluated analytically and the remaining integrals are evaluated numerically for various values of the parameters η = Ωe / ωe, x = V/ve, r = Te/Ti, and the angle of injection θ. It is shown that the effect of the magnetic field is rather small except for η > 1, the temperature ratio is important for small x (x ≤ 0·2), and the injection angle is not important.


Author(s):  
GYULA FODOR ◽  
PÉTER FORGÁCS ◽  
MÁRK MEZEI

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