Science: v.1-v.219Moses King, 1970 |
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Page 1084
... atoms in free flight . However , in atomic - hydrogen - beam experiments the density of the hydrogen atoms is nor- mally of the same order as the density of the background gases in the vacuum chamber . This is approximately 10-7 torr ...
... atoms in free flight . However , in atomic - hydrogen - beam experiments the density of the hydrogen atoms is nor- mally of the same order as the density of the background gases in the vacuum chamber . This is approximately 10-7 torr ...
Page 1085
... atoms , which , in Fig . 2 , runs perpendicular to the dia- gram . Mounted along the axis of the beam of hydrogen atoms are an ion lens and a mass spectrometer which are used to focus and analyze protons formed in collisions between ...
... atoms , which , in Fig . 2 , runs perpendicular to the dia- gram . Mounted along the axis of the beam of hydrogen atoms are an ion lens and a mass spectrometer which are used to focus and analyze protons formed in collisions between ...
Page 1112
... atoms in the rod to an excited energy state . The ends of the rod are polished so that , as light is reflected back and forth , more atoms are excited . This process continues until enough atoms begin returning to the ground state to ...
... atoms in the rod to an excited energy state . The ends of the rod are polished so that , as light is reflected back and forth , more atoms are excited . This process continues until enough atoms begin returning to the ground state to ...
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