p_ioniz_n Function

  1. atomic_tables.f90
  2. atomic_tables
  3. p_ioniz_n

public function p_ioniz_n(eb, n) result(sigma)

Calculates cross section for a proton-Hydrogen impact ionization interaction from the nth state at energy eb

Equation

References

Arguments

Type IntentOptional AttributesName
real(kind=Float64), intent(in) :: eb

Relative collision energy [keV/amu]
integer, intent(in) :: n

Initial atomic energy level/state

Return Value real(kind=Float64)

Cross Section []


Calls

proc~~p_ioniz_n~~CallsGraph proc~p_ioniz_n p_ioniz_n proc~p_ioniz_5_omullane p_ioniz_5_omullane proc~p_ioniz_n->proc~p_ioniz_5_omullane proc~p_ioniz_4_omullane p_ioniz_4_omullane proc~p_ioniz_n->proc~p_ioniz_4_omullane proc~p_ioniz_3_omullane p_ioniz_3_omullane proc~p_ioniz_n->proc~p_ioniz_3_omullane proc~p_ioniz_2_omullane p_ioniz_2_omullane proc~p_ioniz_n->proc~p_ioniz_2_omullane proc~p_ioniz_1_janev p_ioniz_1_janev proc~p_ioniz_n->proc~p_ioniz_1_janev

Called by

proc~~p_ioniz_n~~CalledByGraph proc~p_ioniz_n p_ioniz_n proc~p_ioniz p_ioniz proc~p_ioniz->proc~p_ioniz_n proc~write_bb_h_h write_bb_H_H proc~write_bb_h_h->proc~p_ioniz program~generate_tables generate_tables program~generate_tables->proc~write_bb_h_h

Contents

Source Code

p_ioniz_n

Source Code

function p_ioniz_n(eb,n) result(sigma)
    !+Calculates cross section for a proton-Hydrogen impact ionization interaction
    !+from the `n`th state at energy `eb`
    !+
    !+###Equation
    !+ $$H^+ + H(n) \rightarrow H^+ + H^+ + e$$
    !+###References
    !+* Eq. 40 and Table 8 in Ref. 2 for \(n=1\) [[atomic_tables(module)]]
    !+* Eq. 5 and Table 1 in Ref. 3 for \(n \geq 2\) [[atomic_tables(module)]]
    real(Float64), intent(in) :: eb
        !+ Relative collision energy [keV/amu]
    integer, intent(in)       :: n
        !+ Initial atomic energy level/state
    real(Float64)             :: sigma
        !+ Cross Section [\(cm^2\)]

    select case (n)
        case (0)
            stop
        case (1)
            sigma = p_ioniz_1_janev(eb)
        case (2)
            sigma = p_ioniz_2_omullane(eb)
        case (3)
            sigma = p_ioniz_3_omullane(eb)
        case (4)
            sigma = p_ioniz_4_omullane(eb)
        case DEFAULT
            sigma = p_ioniz_5_omullane(eb)*(n/5.d0)**4
    end select

end function p_ioniz_n