Draft: Add new b2xgamma lines with photon conversion

Added turbo and spruce lines for following modes with photon conversion:

• B^0 \to \bar{\Lambda}p^+\pi^-\gamma

Hlt/Hlt2Conf/python/Hlt2Conf/lines/rd/b_to_xgamma_conv_exclusive_spruce.py

@@ -16,6 +16,12 @@ PID-exclusive B -> XX gamma Hlt2 lines with converted gamma
 author: Fionn Bishop
 date: 05.02.24
 
+
+- B0 -> Lambda0bar P+ pi- gamma  
+
+author: Niladri Sahoo
+date: 21.03.25
+
 """
 
 from Moore.config import register_line_builder
@@ -24,6 +30,7 @@ from Moore.lines import SpruceLine
 from Hlt2Conf.lines.rd.builders.b_to_xgamma_exclusive_builders import (
     make_b2xgamma_gamma2ee_excl,
     make_rad_loose_nonres_kpi,
+    make_rad_l0barppi,
 )
 from Hlt2Conf.lines.rd.builders.rd_prefilters import rd_prefilter
 
@@ -70,3 +77,96 @@ def bd_to_kpigamma_gammatoeeDD_line(
         persistreco=persistreco,
         hlt2_filter_code=["Hlt2RD_BToHHGamma_GammaToEEDD_Incl_FullDecision"],
     )
+
+
+
+
+
+
+@register_line_builder(sprucing_lines)
+def bd_to_lambdappigamma_LL_gammatoeeLL_line(
+    name="SpruceRD_BdToL0barPPiGamma_LL_GammaToEELL",
+    prescale=1.0,
+):
+    l0barppi = make_rad_l0barppi(l0bar_topology="LL")
+
+    b = make_b2xgamma_gamma2ee_excl(
+        intermediate=l0barppi,
+        dielectron="LL",
+        descriptor="[B0 -> f_2(2300) gamma]cc",
+        name="rd_BdToL0barPPiGamma_LL_GammaToEELL_Combiner_{hash}",
+    )
+
+    return SpruceLine(
+        name=name,
+        algs=rd_prefilter() + [l0barppi, b],
+        prescale=prescale,
+        hlt2_filter_code=["Hlt2RD_BToHHGamma_GammaToEELL_Incl_FullDecision"],
+    )
+
+
+@register_line_builder(sprucing_lines)
+def bd_to_lambdappigamma_LL_gammatoeeDD_line(
+    name="SpruceRD_BdToL0barPPiGamma_LL_GammaToEEDD",
+    prescale=1.0,
+):
+    l0barppi = make_rad_l0barppi(l0bar_topology="LL")
+
+    b = make_b2xgamma_gamma2ee_excl(
+        intermediate=l0barppi,
+        dielectron="DD",
+        descriptor="[B0 -> f_2(2300) gamma]cc",
+        name="rd_BdToL0barPPiGamma_LL_GammaToEEDD_Combiner_{hash}",
+    )
+
+    return SpruceLine(
+        name=name,
+        algs=rd_prefilter() + [l0barppi, b],
+        prescale=prescale,
+        hlt2_filter_code=["Hlt2RD_BToHHGamma_GammaToEEDD_Incl_FullDecision"],
+    )
+
+
+@register_line_builder(sprucing_lines)
+def bd_to_lambdappigamma_DD_gammatoeeLL_line(
+    name="SpruceRD_BdToL0barPPiGamma_DD_GammaToEELL",
+    prescale=1.0,
+):
+    l0barppi = make_rad_l0barppi(l0bar_topology="DD")
+
+    b = make_b2xgamma_gamma2ee_excl(
+        intermediate=l0barppi,
+        dielectron="LL",
+        descriptor="[B0 -> f_2(2300) gamma]cc",
+        name="rd_BdToL0barPPiGamma_DD_GammaToEELL_Combiner_{hash}",
+    )
+
+    return SpruceLine(
+        name=name,
+        algs=rd_prefilter() + [l0barppi, b],
+        prescale=prescale,
+        hlt2_filter_code=["Hlt2RD_BToHHGamma_GammaToEELL_Incl_FullDecision"],
+    )
+
+
+@register_line_builder(sprucing_lines)
+def bd_to_lambdappigamma_DD_gammatoeeDD_line(
+    name="SpruceRD_BdToL0barPPiGamma_DD_GammaToEEDD",
+    prescale=1.0,
+):
+    l0barppi = make_rad_l0barppi(l0bar_topology="DD")
+
+    b = make_b2xgamma_gamma2ee_excl(
+        intermediate=l0barppi,
+        dielectron="DD",
+        descriptor="[B0 -> f_2(2300)+ gamma]cc",
+        name="rd_BdToL0barPPiGamma_DD_GammaToEEDD_Combiner_{hash}",
+    )
+
+    return SpruceLine(
+        name=name,
+        algs=rd_prefilter() + [l0barppi, b],
+        prescale=prescale,
+        hlt2_filter_code=["Hlt2RD_BToHHGamma_GammaToEEDD_Incl_FullDecision"],
+    )
+