CBSE Class 12-science Answered
Please explain
Asked by | 21 Mar, 2009, 11:08: AM
Expert Answer
In all the cases where β+ decay is allowed energetically (and the proton is a part of a nucleus with electron shells), it is accompanied by the electron capture process, when an atomic electron is captured by a nucleus with the emission of a neutrino:
-
energy + p+ + e− → n0 + νe
But if the energy difference between initial and final states is low (less than 2mec2), then β+ decay is not energetically possible, and electron capture is the sole decay mode.
Answered by | 28 Mar, 2009, 06:22: PM
Concept Videos
CBSE 12-science - Physics
Asked by mohapatraswetalina88 | 21 Apr, 2024, 12:18: PM
ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by rohandhawaniya17112006 | 06 Mar, 2024, 03:32: PM
ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by murshidibrahimkk | 08 Feb, 2024, 10:28: AM
ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by kailasks2007 | 28 Dec, 2023, 08:14: PM
ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by varma.renu9481 | 06 Mar, 2023, 05:44: PM
ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by arjunsah797 | 16 May, 2022, 02:17: PM
ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by akashjyani705 | 06 Mar, 2022, 04:39: PM
ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by sharonashoksp | 27 Jun, 2021, 02:44: PM
ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by gaurish6247 | 07 Apr, 2021, 05:16: PM
ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by merinlijo_20002 | 17 Jun, 2020, 10:05: AM
ANSWERED BY EXPERT