Muon spectra and charge ratio at sea-level at a zenith angle of 45°

1967 ◽  
Vol 51 (2) ◽  
pp. 329-340 ◽  
Author(s):  
O. C. Allkofer ◽  
R. D. Andresen
Keyword(s):  
Sea Level ◽  
Zenith Angle ◽  
Charge Ratio

The muon charge ratio at 80° to the zenith

1968 ◽  
Vol 46 (10) ◽  
pp. S313-S317 ◽  
Author(s):  
N. S. Palmer ◽  
W. F. Nash
Keyword(s):  
Energy Range ◽  
Sea Level ◽  
Zenith Angle ◽  
Theoretical Models ◽  
Experimental Results ◽  
Charge Ratio ◽  
Entire Energy Range ◽  
Entire Energy

A brief description is given of a spectrograph recently constructed at Nottingham for the study of muons at large zenith angles. The instrument, situated at a latitude of 50 °N and 30 m above sea level, is at present orientated to accept muons incident in the geomagnetic north–south direction at a mean zenith angle of 80°. Experimental results are presented of the charge ratio among muons in the range of production energies 20–500 GeV. The results, which are found to be consistent with a constant or only slowly varying charge ratio over the entire energy range, are compared with the results of other workers and the predictions of some current theoretical models.

The muon charge ratio at sea level in the low momentum region

1972 ◽  
Vol 38 (6) ◽  
pp. 439-440 ◽  
Author(s):  
O.C. Allkofer ◽  
W.D. Dau
Keyword(s):  
Sea Level ◽  
Charge Ratio ◽  
Momentum Region

Fine structure in the charge ratio of muons at large zenith angles

1968 ◽  
Vol 46 (10) ◽  
pp. S309-S312 ◽  
Author(s):  
G. N. Kelly ◽  
P. K. MacKeown ◽  
S. S. Said ◽  
A. W. Wolfendale
Keyword(s):  
Fine Structure ◽  
Zenith Angle ◽  
Experimental Results ◽  
Charge Ratio

Preliminary experimental results are presented of observations on the charge ratio of muons as a function of energy and of angle at large zenith angles found using the Durham horizontal spectrograph. There is some evidence for a maximum of the charge ratio at about 20 GeV, the magnitude of which increases with increasing zenith angle. Possible explanations of the effect are discussed.

On the charge ratio of cosmic-ray muons at sea level

1963 ◽  
Vol 30 (3) ◽  
pp. 762-771 ◽  
Author(s):  
P. V. Ramana Murthy
Keyword(s):  
Sea Level ◽  
Cosmic Ray ◽  
Charge Ratio

scholarly journals Momentum Distribution and Charge Ratio of µ?Mesons at Zenith Angles in the East?West Plane

1954 ◽  
Vol 7 (3) ◽  
pp. 423 ◽  
Author(s):  
JR Moroney ◽  
JK Parry
Keyword(s):  
Sea Level ◽  
Momentum Distribution ◽  
Cosmic Radiation ◽  
Geomagnetic Latitude ◽  
Vertical Direction ◽  
Charge Ratio ◽  
Momentum Range ◽  
East West

The momentum distribution and charge ratio of the penetrating component of the cosmic radiation at sea-level have been determined over the 'momentum range- 0�24-58 BeVlc at a geomagnetic latitude of 47 oS. The measurements were performed in the vertical direction and at zenith angles of 30� and 60� in the eastern and western azimuths.

scholarly journals Zenith Angle Dependence of Cosmic Ray Shower Development from Observations of the Time Structure of Atmospheric Cerenkov Pulses

1980 ◽  
Vol 33 (3) ◽  
pp. 607 ◽  
Author(s):  
RW Clay ◽  
GJ Thornton
Keyword(s):  
Sea Level ◽  
Zenith Angle ◽  
Cosmic Ray ◽  
Time Structure ◽  
Extensive Air Showers ◽  
Attenuation Length ◽  
Air Showers ◽  
Angle Dependence ◽  
Shower Development

The attenuation of extensive air showers has been studied using atmospheric Cerenkov techniques. Observations over a range of zenith angles are correlated and an attenuation length of 234 � 38 g cm ? 2 obtained for showers with sea-level sizes of ~ 106 ?

Limiting fragmentation and the muon charge ratio at sea level

1973 ◽  
Vol 47 (1) ◽  
pp. 36-38 ◽  
Author(s):  
G. Yekitieli ◽  
Sh. Rotter
Keyword(s):  
Sea Level ◽  
Charge Ratio ◽  
Limiting Fragmentation
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