hep: Add sherpa.

* guix-science/packages/hep.scm (sherpa): New variable.

1 files changed, 32 insertions, 0 deletions

diff --git a/guix-science/packages/hep.scm b/guix-science/packages/hep.scm
index f4ace30..63972d5 100644
--- a/guix-science/packages/hep.scm
+++ b/guix-science/packages/hep.scm
@@ -748,6 +748,38 @@ discrete grid in x and Q2.  You can evolve unpolarised parton density
 functions in NNLO, and polarised PDFs or fragmentation functions in NLO.")
     (license license:gpl3+)))
 
+(define-public sherpa
+  (package
+    (name "sherpa")
+    (version "3.0.5")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://gitlab.com/sherpa-team/sherpa.git")
+             (commit (string-append "v" version))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32 "1wsvmw33y56pz5r4p7hkjgfxw85x4hngpmk67yi96amzd70rvkf5"))))
+    (build-system cmake-build-system)
+    (arguments
+     (list
+      #:tests? #f ;requires external data
+      #:configure-flags
+      #~(list "-DSHERPA_ENABLE_PYTHON:BOOL=ON")))
+    (inputs (list lhapdf libzip))
+    (native-inputs (list gfortran pkg-config python swig))
+    (home-page "https://sherpa-team.gitlab.io/")
+    (synopsis "Simulation of High-Energy Reactions of PArticles")
+    (description
+     "Sherpa is a Monte Carlo event generator for the Simulation of High-Energy
+Reactions of PArticles in lepton-lepton, lepton-photon, photon-photon,
+lepton-hadron and hadron-hadron collisions.  Simulation programs - also dubbed
+event generators - like Sherpa are indispensable work horses for current
+particle physics phenomenology and are (at) the interface between theory and
+experiment.")
+    (license license:gpl3)))
+
 (define-public siscone
   (package
     (name "siscone")