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/lowElectron [ Modules ]

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NAME

module lowElectron

PURPOSE

This module includes a initilization routine for low energetic electron induced events (Resonance region)

INPUTS

The Namelist "LowElectron" in the Jobcard.

lowElectron/runType [ Global module-variables ]

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SOURCE

  integer, save :: runType=1

PURPOSE

lowElectron/inputType [ Global module-variables ]

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SOURCE

  integer, save :: inputType=1

PURPOSE

Decides which set of variables is used to determine the final electron energy energy_lf and the step size delta_energy_lf:

lowElectron/theta_lf [ Global module-variables ]

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SOURCE

  real,save :: theta_lf=10.

PURPOSE

Theta scattering angle of outgoing electron with respect to the incoming one. Only relevant of runType=1.

lowElectron/phi_lf [ Global module-variables ]

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SOURCE

  real,save :: phi_lf=-10.

PURPOSE

Phi scattering angle of outgoing electron with respect to the incoming one. If less than 0, then we do a Monte-Carlo-Integration over phi!

lowElectron/QSquared [ Global module-variables ]

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SOURCE

  real,save :: QSquared=0.5

PURPOSE

QSquared of virtual photon. Only relevant of runType=2.

lowElectron/energy_li [ Global module-variables ]

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SOURCE

  real,save :: energy_li=1.2

PURPOSE

Energy of incoming electron in GeV.

lowElectron/energy_lf [ Global module-variables ]

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SOURCE

  real,save :: energy_lf=0.8

PURPOSE

Energy of final state electron in GeV. * Only used if inputType=1

lowElectron/delta_energy_lf [ Global module-variables ]

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SOURCE

  real,save :: delta_energy_lf=0.8

PURPOSE

delta(Energy) of final state electron in GeV for energy scans. * Only used if inputType=1

lowElectron/W_min [ Global module-variables ]

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SOURCE

  real,save :: W_min=0.9

PURPOSE

Minimal W at the hadronic vertex assuming a resting nucleon * Only used if inputType=2

lowElectron/W_max [ Global module-variables ]

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SOURCE

  real,save :: W_max=1.9

PURPOSE

Maximal W at the hadronic vertex assuming a resting nucleon * Only used if inputType=2

lowElectron/energy_lf_min [ Global module-variables ]

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SOURCE

  real,save :: energy_lf_min=0.1

PURPOSE

Minimal energy_lf * Only used if inputType=3

lowElectron/energy_lf_max [ Global module-variables ]

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SOURCE

  real,save :: energy_lf_max=0.1

PURPOSE

Maximal energy_lf * Only used if inputType=3

lowElectron/Do_QE [ Global module-variables ]

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SOURCE

  logical,save :: Do_QE=.true.

PURPOSE

Switch for including or excluding Quasi-Elastic (QE) processes

lowElectron/minMass_QE [ Global module-variables ]

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SOURCE

  real,save :: minMass_QE=0.3

PURPOSE

Minimal mass of a nucleon in QE event. Prevents super-luminous nucleons when embedded in a Skyrme potential.

lowElectron/Do_1Pi [ Global module-variables ]

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SOURCE

  logical,save :: Do_1Pi=.true.

PURPOSE

Switch for including or excluding direct Single pion production processes. If the resonances are included (Do_Res=.true.) then only the background part is included.

lowElectron/Do_2Pi [ Global module-variables ]

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SOURCE

  logical,save :: Do_2Pi=.true.

PURPOSE

Switch for including or excluding direct Double pion production processes. If the resonances are included (Do_Res=.true.) then only the background part is included.

lowElectron/Do_DIS [ Global module-variables ]

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SOURCE

  logical,save :: Do_DIS=.true.

PURPOSE

Switch for including or excluding deeply inelastic scattering (DIS) events. Only relevant for W>1.4-1.5 GeV.

lowElectron/Do_2p2hQE [ Global module-variables ]

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SOURCE

  logical,save :: Do_2p2hQE=.false.

PURPOSE

Switch for including or excluding event according gamma* N1 N2 -> N1' N2'

lowElectron/Do_2p2hDelta [ Global module-variables ]

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SOURCE

  logical,save :: Do_2p2hDelta=.false.

PURPOSE

Switch for including or excluding event according gamma* N1 N2 -> N' Delta

lowElectron/Do_Res [ Global module-variables ]

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SOURCE

  logical,save :: Do_Res=.true.

PURPOSE

Switch for including or excluding resonance production processes

lowElectron/useRes [ Global module-variables ]

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SOURCE

  logical,save,dimension(2:nres+1) :: useRes=.true.

PURPOSE

Switch for including/excluding specific resonances

lowElectron/onlyDelta [ Global module-variables ]

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SOURCE

  logical,save  :: onlyDelta=.false.

PURPOSE

Switch for including only delta resonance

lowElectron/nuclearTarget_corr [ Global module-variables ]

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SOURCE

  logical , save :: nuclearTarget_corr=.true.

PURPOSE

lowElectron/minEnergy_1pi [ Global module-variables ]

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SOURCE

  real, save :: minEnergy_1pi=0.16

PURPOSE

Minimal q_0 such that pion production processes are considered.

lowElectron/low_Ele_incXsection [ Global module-variables ]

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SOURCE

  real, save :: low_Ele_incXsection = 0

PURPOSE

Collects at event generagtion the inclusive cross section for each run, which can then be easily processed by analysis routines

lowElectron/init_lowElectron [ Subroutines ]

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NAME

subroutine init_lowElectron(realParticles,pertParticles,raiseEnergy,targetNuc)

PURPOSE

Initializes e^- A events.

INPUTS

OUPTUT * type(particle), dimension(:,:) :: pertParticles -- perturbative particle vector

lowElectron/lowElectron_protocol.log [ Output files ]

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NAME

file lowElectron_protocol.log

PURPOSE

Logs the kinematics being used in the electron nucleus initialization

lowElectron/originXS.dat [ Output files ]

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NAME

file originXS.dat

PURPOSE

cross section seperated according origin, see Electron_origin.f90

given vales are 1/A d\sigma/dE´d\Omega given in mb/sr GeV

lowElectron/le_get_energy_lf [ Functions ]

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NAME

real function le_get_energy_lf()

PURPOSE

Returns energy_lf

lowElectron/le_get_energy_li [ Functions ]

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NAME

real function le_get_energy_li()

PURPOSE

Returns energy_li

lowElectron/le_get_theta_lf [ Functions ]

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NAME

real function le_get_theta_lf()

PURPOSE

Returns theta_lf

lowElectron/initInput [ Subroutines ]

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NAME

subroutine initInput

PURPOSE

Reads in job card and checks the settings of the input parameters.

lowElectron/LowElectron [ Namelists ]

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NAME

NAMELIST /LowElectron/

PURPOSE

This Namelist includes:

NOTES

For runType=1 (fixed angle):

For runType=2 (fixed Qsquared):

For inputType=1 (energy_lf as input, fixed step size):

For inputType=2 (W as input):

For inputType=3 (Energy_lf as input, step size according to number of runs):

For Quasi-elastic scattering:

For Pion production:

For Resonance excitations:

For 2Pi background:

For DIS events:

For 2p2h excitations:

Technical issues:

lowElectron/resetFirstEvent [ Subroutines ]

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NAME

subroutine resetFirstEvent

PURPOSE

Resets the firstEvent counter to zero when starting a new run.

lowElectron/getFirstEvent [ Functions ]

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NAME

integer function getFirstEvent()

PURPOSE

Each event gets another entry in %firstEvent. This function is used to set firstEvent.

lowElectron/le_get_FirstEventRange [ Functions ]

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NAME

function le_get_FirstEventRange()

PURPOSE

Each event gets another entry in %firstEvent. This entry is an integer value between 1 and number of events. This function returns the upper and lower limits of the range of %firstEvent.

OUTPUT

integer, dimension (1:2) :: getFirstEventRange

lowElectron/le_get_QSquared [ Functions ]

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NAME

real function le_get_Qsquared()

PURPOSE

Return the Q^2 value of the electron

OUTPUT

real :: le_get_QSquared()

lowElectron/writeOriginXS [ Subroutines ]

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NAME

subroutine writeOriginXS

PURPOSE

write line to file 'originXS.dat'