diff --git a/Processes/Sibyll/CMakeLists.txt b/Processes/Sibyll/CMakeLists.txt
index 0f31d5c6b6e40c98e0e08b31db8393b79dbd717e..f57b022f4b606f6bd27341259bc8732080270a6d 100644
--- a/Processes/Sibyll/CMakeLists.txt
+++ b/Processes/Sibyll/CMakeLists.txt
@@ -21,17 +21,17 @@ set (
Interaction.cc
Decay.cc
NuclearInteraction.cc
- sibyll2.3c.f
+ sibyll2.3d.f
nuclib.f
signuc.f
- sibyll2.3c.cc
+ sibyll2.3d.cc
gasdev.f
)
set (
MODEL_HEADERS
ParticleConversion.h
- sibyll2.3c.h
+ sibyll2.3d.h
nuclib.h
SibStack.h
Decay.h
diff --git a/Processes/Sibyll/Interaction.cc b/Processes/Sibyll/Interaction.cc
index 9f0d210ca8db8a9d4875e7a2b42c647148f8c7e6..916ea2ec0829f6de41b4055428bac17b78f0fb62 100644
--- a/Processes/Sibyll/Interaction.cc
+++ b/Processes/Sibyll/Interaction.cc
@@ -15,7 +15,7 @@
#include <corsika/geometry/FourVector.h>
#include <corsika/process/sibyll/ParticleConversion.h>
#include <corsika/process/sibyll/SibStack.h>
-#include <corsika/process/sibyll/sibyll2.3c.h>
+#include <corsika/process/sibyll/sibyll2.3d.h>
#include <corsika/setup/SetupStack.h>
#include <corsika/setup/SetupTrajectory.h>
#include <corsika/utl/COMBoost.h>
diff --git a/Processes/Sibyll/SibStack.h b/Processes/Sibyll/SibStack.h
index f0d979547c80f3bf45ae176f88b73a0dee75f590..86956435bacf36b1675a4ecd0deb7359995a48e2 100644
--- a/Processes/Sibyll/SibStack.h
+++ b/Processes/Sibyll/SibStack.h
@@ -14,7 +14,7 @@
#include <corsika/geometry/RootCoordinateSystem.h>
#include <corsika/geometry/Vector.h>
#include <corsika/process/sibyll/ParticleConversion.h>
-#include <corsika/process/sibyll/sibyll2.3c.h>
+#include <corsika/process/sibyll/sibyll2.3d.h>
#include <corsika/stack/Stack.h>
#include <corsika/units/PhysicalUnits.h>
diff --git a/Processes/Sibyll/sibyll2.3c.cc b/Processes/Sibyll/sibyll2.3d.cc
similarity index 93%
rename from Processes/Sibyll/sibyll2.3c.cc
rename to Processes/Sibyll/sibyll2.3d.cc
index 7cb2c027dc45948c5db2eeae473bc883305b604b..2bfb2ef9c078c0b871f8c0a89567bd67cda75c76 100644
--- a/Processes/Sibyll/sibyll2.3c.cc
+++ b/Processes/Sibyll/sibyll2.3d.cc
@@ -8,7 +8,7 @@
* the license.
*/
-#include <corsika/process/sibyll/sibyll2.3c.h>
+#include <corsika/process/sibyll/sibyll2.3d.h>
#include <corsika/random/RNGManager.h>
#include <random>
diff --git a/Processes/Sibyll/sibyll2.3c.f b/Processes/Sibyll/sibyll2.3d.f
similarity index 99%
rename from Processes/Sibyll/sibyll2.3c.f
rename to Processes/Sibyll/sibyll2.3d.f
index 2073dcfbe6fdc9c2c08fafda23ed1e6503790cc2..8fccb7a42026eef3621cd80ef20797e27a65a4e1 100644
--- a/Processes/Sibyll/sibyll2.3c.f
+++ b/Processes/Sibyll/sibyll2.3d.f
@@ -7,12 +7,13 @@ C SSSSSS IIIIIII BBBBB YY LLLLLLL LLLLLLL
C=======================================================================
C Code for SIBYLL: hadronic interaction Monte Carlo event generator
C=======================================================================
-C Version 2.3c03 (Jun-01-2017, modified Aug-22-2019)
+C Version 2.3d (Jun-01-2017, modified May-20-2020)
C
C with CHARM production
C
C By Eun-Joo Ahn
C Ralph Engel
+C A. Fedynitch
C R.S. Fletcher
C T.K. Gaisser
C Paolo Lipari
@@ -26,12 +27,14 @@ C
C For a correct copy contact:
C sein@fnal.gov
C ralph.engel@kit.edu
+C afedynitch@gmail.com
C gaisser@bartol.udel.edu
C paolo.lipari@roma1.infn.it
C friehn@lip.pt
C stanev@bartol.udel.edu
C
C last changes relative to Sibyll 2.3c:
+C * no pi0 suppression in minijets
C * added cross section tables for hadron-nitrogen and hadron-oxygen
C (changed S_CCSIG common)
C * no remnant in high mass diff. events (pi0-had scattering)
@@ -458,20 +461,18 @@ C-----------------------------------------------------------------------
WRITE(*,100)
100 FORMAT(' ','====================================================',
* /,' ','| |',
- * /,' ','| S I B Y L L 2.3c |',
+ * /,' ','| S I B Y L L 2.3d |',
* /,' ','| |',
* /,' ','| HADRONIC INTERACTION MONTE CARLO |',
* /,' ','| BY |',
* /,' ','| Eun-Joo AHN, Felix RIEHN |',
- * /,' ','| R. ENGEL, R.S. FLETCHER, T.K. GAISSER |',
- * /,' ','| P. LIPARI, T. STANEV |',
+ * /,' ','| R. ENGEL, A. FEDYNITCH, R.S. FLETCHER, |',
+ * /,' ','| T.K. GAISSER, P. LIPARI, T. STANEV |',
* /,' ','| |',
* /,' ','| Publication to be cited when using this program: |',
* /,' ','| Eun-Joo AHN et al., Phys.Rev. D80 (2009) 094003 |',
- * /,' ','| F. RIEHN et al., Proc. 35th Int. Cosmic Ray Conf.|',
- * /,' ','| Bexco, Busan, Korea, cont. 301 (2017) |',
- * /,' ','| |',
- * /,' ','| last modifications: F. Riehn (08/22/2019) |',
+ * /,' ','| F. RIEHN et al., hep-ph: 1912.03300 |',
+ * /,' ','| last modifications: F. Riehn (05/20/2020) |',
* /,' ','====================================================',
* /)
@@ -851,7 +852,7 @@ c 23rc5.4frgB1 aka retune5 aka Sibyll 2.3.5
IPAR(92) = 1
IPAR(93) = 1
IPAR(94) = 0
- IPAR(95) = 0
+ IPAR(95) = 1
IPAR(96) = 0
IPAR(97) = 0
IPAR(98) = 0
@@ -10313,7 +10314,7 @@ C f = 1/(1+exp((x-x0)/alpha))
C-----------------------------------------------------------------------
IMPLICIT NONE
c externals
- DOUBLE PRECISION XARG,X0,XALPH
+ DOUBLE PRECISION XARG,X0,XALPH,XE
c COMMONs
C--------------------------------------------------------------------
@@ -10331,7 +10332,8 @@ C--------------------------------------------------------------------
SAVE
c internals
- fermi=1.D0+exp((xarg-x0)/xalph)
+ xe = max((xarg-x0)/xalph,-10.D0)
+ fermi=1.D0+exp(xe)
fermi=1.D0/fermi
END
C=======================================================================
@@ -10591,7 +10593,8 @@ C--------------------------------------------------------------------
& PAR1_def,PAR24_def,PAR3_def,PAR2_1_def,PAR2_2_def,PAR5_def,
& PAR6_def,PAR24_2_def,XM,QMASS,DBETJ
DIMENSION PST(5),PBM(5),PTG(5)
- INTEGER IST,ITGST,IBMST,IPID,IFLB,IFLT,NOLD,IS,IFL1,IFBAD,IDM
+ INTEGER IST,ITGST,IBMST,IPID,IFLB,IFLT,NOLD,IS,IFL1,IFBAD,IDM,
+ & ipar82_def
SAVE
DATA PGG /1.D0/
@@ -10674,7 +10677,15 @@ c change vector rate and kaon vector rate
PAR(6) = PAR(74) ! P_K* from K
ENDIF
-
+
+C... switch off pi0 suppression
+c should only be applied for remnant, diff and valence
+c in case of meson projectile
+ ipar82_def = IPAR(82)
+ IF(IPAR(95).eq.1)THEN
+ IPAR(82) = 0
+ ENDIF
+
NOLD = NP
IF ( (E0.LT.8.D0) .OR. (S_RNDM(0).GT.PGG)) THEN
C... one string case, q - qbar
@@ -10725,7 +10736,8 @@ c leading charm fraction
PAR(2) = PAR2_1_def
PAR(5) = PAR5_def
PAR(6) = PAR6_def
- PAR(3) = PAR3_def
+ PAR(3) = PAR3_def
+ IPAR(82) = ipar82_def
RETURN
ENDIF
ELSE
@@ -10744,7 +10756,8 @@ c DBETJ = (DX1J-DX2J)/(DX1J+DX2J)
PAR(2) = PAR2_1_def
PAR(5) = PAR5_def
PAR(6) = PAR6_def
- PAR(3) = PAR3_def
+ PAR(3) = PAR3_def
+ IPAR(82) = ipar82_def
IBAD = 0
END
C=======================================================================
@@ -14108,7 +14121,7 @@ C SIGela elastic cross section
C-----------------------------------------------------------------------
Cf2py integer, intent(in) :: L,IAT
Cf2py double precision, intent(in) :: SQS
-Cf2py double precision, intent(out) :: SIGprod,SIGbdif
+Cf2py double precision, intent(out) :: SIGprod,SIGbdif,SIGela
IMPLICIT NONE
INTEGER NS_max, NH_max
diff --git a/Processes/Sibyll/sibyll2.3c.h b/Processes/Sibyll/sibyll2.3d.h
similarity index 97%
rename from Processes/Sibyll/sibyll2.3c.h
rename to Processes/Sibyll/sibyll2.3d.h
index b7030ad32578a14cd5d9ed5be1f82b4b082b7d58..f5893db903924277b60bb461e33720d4a6cafb7a 100644
--- a/Processes/Sibyll/sibyll2.3c.h
+++ b/Processes/Sibyll/sibyll2.3d.h
@@ -8,8 +8,8 @@
* the license.
*/
-#ifndef _include_sib23c_interface_h_
-#define _include_sib23c_interface_h_
+#ifndef _include_sib23d_interface_h_
+#define _include_sib23d_interface_h_
//----------------------------------------------
// C++ interface for the SIBYLL event generator
//----------------------------------------------
diff --git a/Processes/Sibyll/testSibyll.cc b/Processes/Sibyll/testSibyll.cc
index 0453220f4593d55a5250e2cfddbd1f5942f90854..d4d87a3da82664ef134e4c725608126d8300c25e 100644
--- a/Processes/Sibyll/testSibyll.cc
+++ b/Processes/Sibyll/testSibyll.cc
@@ -75,7 +75,7 @@ TEST_CASE("Sibyll", "[processes]") {
#include <corsika/environment/Environment.h>
#include <corsika/environment/HomogeneousMedium.h>
#include <corsika/environment/NuclearComposition.h>
-#include <corsika/process/sibyll/sibyll2.3c.h>
+#include <corsika/process/sibyll/sibyll2.3d.h>
using namespace corsika::units::si;
using namespace corsika::units;