add correction on back panel positions

    path=None,

    use_nexus_idf: bool = False,

    debug_output: bool = False,

    back_panel_correction: bool = False

):

    """load all required files at the beginning, and transform them to histograms

        Flag to use IDF inside NeXus file.  True for SPICE data

    debug_output: bool

        Flag to save out internal result

    back_panel_correction: bool

        Move the z direction of back panel to remove artifacts in azimuthal plots. 

    Returns

    -------

                    backend="mpl",

                )

    # Apply the backpanel correction on z direction to remove the 

    # artifacts in 2D azimuthal patterns

    if back_panel_correction == True:

        for ws in raw_sample_ws_list:

            if ws is not None:

                adjust_back_panels_to_effective_position(ws)

        if raw_bkgd_ws is not None:

            adjust_back_panels_to_effective_position(raw_bkgd_ws)

        if raw_center_ws is not None:

            adjust_back_panels_to_effective_position(raw_center_ws)

        if raw_empty_ws is not None:

            adjust_back_panels_to_effective_position(raw_empty_ws)

        if raw_sample_trans_ws is not None:

            adjust_back_panels_to_effective_position(raw_sample_trans_ws)

        if raw_bkg_trans_ws is not None:

            adjust_back_panels_to_effective_position(raw_bkg_trans_ws)

        if raw_blocked_ws is not None:

            adjust_back_panels_to_effective_position(raw_blocked_ws)

        if dark_current is not None:

            adjust_back_panels_to_effective_position(dark_current)

        if sensitivity_ws is not None:

            adjust_back_panels_to_effective_position(sensitivity_ws)

        if mask_ws is not None:

            adjust_back_panels_to_effective_position(mask_ws)

    return dict(

        sample=raw_sample_ws_list,

        background=raw_bkgd_ws,