Electron capture usually refers to unstable isotope. It's a spontaneous atomic and nuclear process. I was referring to an electron beam on a hydrogen target. But in any case, the energy required will be given by the differences between the masses (and you can neglect the mass of the neutrino !). If you have an electron incident on a free proton, the balance is positive anyway by slightly less than 0.8 MeV.NERV said:I know there is a way of electron capture.But,how much energy is it needed?In other words,WHAT CONDITION is the capture reaction required?
A proton can be turned into a neutron through a process called beta decay, where a proton emits a positron (e+) and a neutrino (v) to become a neutron. This process is also known as inverse beta decay and can occur naturally in radioactive elements or can be induced in a laboratory setting.
The equation for converting a proton into a neutron is e+ + p -> n + v, where e+ represents a positron, p represents a proton, n represents a neutron, and v represents a neutrino.
E+p->n can occur in two ways - either through natural beta decay in a radioactive element or through the use of high energy particles in a laboratory setting. In both cases, the process requires a high energy input to overcome the strong force that holds the proton together.
Yes, e+p->n can be reversed through the process of beta decay, where a neutron emits an electron (e-) and an antineutrino (v-bar) to become a proton. This process is also known as beta minus decay or inverse beta minus decay.
E+p->n is a fundamental process in understanding nuclear reactions and radioactive decay. It is also used in nuclear power plants to generate energy and in medical imaging techniques such as PET scans, where positrons are emitted and detected by a machine to create images of internal body structures. Additionally, it plays a crucial role in the formation of elements in the universe, as it is responsible for converting protons into neutrons in the cores of stars.