From eff09873e5d19ba328b28d38ee53f0f9db371e1a Mon Sep 17 00:00:00 2001
From: Sushanta Tripathy <sushanta.tripathy@cern.ch>
Date: Mon, 9 Nov 2026 17:22:53 +0100
Subject: [PATCH] =?UTF-8?q?Improve=20TOF=20n=CF=83=20cut=20check=20for=20d?=
 =?UTF-8?q?euterons?=
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Update deuteron TOF nσ cut condition to handle non-finite values.
---
 PWGLF/Tasks/Resonances/lambdastarproxy.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/PWGLF/Tasks/Resonances/lambdastarproxy.cxx b/PWGLF/Tasks/Resonances/lambdastarproxy.cxx
index e4fbed337ad..b923950622e 100644
--- a/PWGLF/Tasks/Resonances/lambdastarproxy.cxx
+++ b/PWGLF/Tasks/Resonances/lambdastarproxy.cxx
@@ -1739,7 +1739,7 @@ struct Lambdastarproxy {
       // the track has a valid TOF match. Tracks without TOF are kept with
       // the TPC-only decision, avoiding an additional TOF-matching efficiency loss.
       if (isDeuteron) {
-        if (std::abs(nsTPC) >= tpcCut) {
+        if (!std::isfinite(nsTPC) || std::abs(nsTPC) >= tpcCut) {
           return false;
         }
         if (lstarEnableTOFNsigmaCutDe.value != 0 && hasTof) {