[PWGLF] INEL > 0 fix and new DCA parametrization

[lucasjsilva]

No description provided.

[github-actions]

O2 linter results: ❌ 0 errors, ⚠️ 6 warnings, 🔕 0 disabled

[alibuild]

Error while checking build/O2Physics/code-check for b14a2c0 at 2026-09-17 20:51:

## sw/BUILD/O2Physics-code-check-latest/log
--
========== List of issues found ==========
++ echo 'Found 1 errors and 12 warnings.'
Found 1 errors and 12 warnings.
++ [[ 1 -gt 0 ]]
++ cat /sw/BUILD/443e36d2a12e02d6d796ee4b1314b3afd1b059c0/O2Physics-code-check/errors.txt
PWGLF/Tasks/GlobalEventProperties/studyPnch.cxx:67:48: error: unused variable 'TrackSelectionDca' [clang-diagnostic-unused-const-variable,-warnings-as-errors]
++ [[ 12 -gt 0 ]]
++ cat /sw/BUILD/443e36d2a12e02d6d796ee4b1314b3afd1b059c0/O2Physics-code-check/warnings.txt
PWGLF/Tasks/GlobalEventProperties/studyPnch.cxx:72:10: warning: variable 'axisEvent' is non-const and globally accessible, consider making it const [cppcoreguidelines-avoid-non-const-global-variables]
PWGLF/Tasks/GlobalEventProperties/studyPnch.cxx:73:10: warning: variable 'axisVtxZ' is non-const and globally accessible, consider making it const [cppcoreguidelines-avoid-non-const-global-variables]
PWGLF/Tasks/GlobalEventProperties/studyPnch.cxx:74:10: warning: variable 'axisEta' is non-const and globally accessible, consider making it const [cppcoreguidelines-avoid-non-const-global-variables]
PWGLF/Tasks/GlobalEventProperties/studyPnch.cxx:75:10: warning: variable 'axisPhi' is non-const and globally accessible, consider making it const [cppcoreguidelines-avoid-non-const-global-variables]
PWGLF/Tasks/GlobalEventProperties/studyPnch.cxx:76:10: warning: variable 'axisCollSel' is non-const and globally accessible, consider making it const [cppcoreguidelines-avoid-non-const-global-variables]
PWGLF/Tasks/GlobalEventProperties/studyPnch.cxx:80:8: warning: constructor does not initialize these fields: pdg [cppcoreguidelines-pro-type-member-init]
PWGLF/Tasks/GlobalEventProperties/studyPnch.cxx:228:90: warning: statement should be inside braces [readability-braces-around-statements]
PWGLF/Tasks/GlobalEventProperties/studyPnch.cxx:230:86: warning: statement should be inside braces [readability-braces-around-statements]
PWGLF/Tasks/GlobalEventProperties/studyPnch.cxx:246:90: warning: statement should be inside braces [readability-braces-around-statements]
PWGLF/Tasks/GlobalEventProperties/studyPnch.cxx:248:86: warning: statement should be inside braces [readability-braces-around-statements]
PWGLF/Tasks/GlobalEventProperties/studyPnch.cxx:592:23: warning: boolean expression can be simplified by DeMorgan's theorem [readability-simplify-boolean-expr]
PWGLF/Tasks/GlobalEventProperties/studyPnch.cxx:623:9: warning: do not use 'else' after 'continue' [readability-else-after-return]
++ [[ 1 -gt 0 ]]
++ exit 1
--

Full log here.