new license and citations files

Author: maureeungaro

CONTRIBUTING.md

@@ -113,7 +113,8 @@ Why this helps review:
 
 ## Licensing and Citation
 
-By contributing, you agree that your contributions are licensed under the GEMC Software License v1.0. See [`LICENSE.md`](LICENSE.md).
+By contributing, you agree that your contributions are licensed under the Apache License, Version 2.0. See
+[`LICENSE`](LICENSE).
 
 If you use GEMC in scientific work, cite:
 

LICENSE.md LICENSELICENSE.md renamed to LICENSE

@@ -1,72 +1,3 @@
----
-layout: default
-permalink: /license/
----
-
-# GEMC Software License
-
-*Version 1.1, June 19, 2026*
-
-As of Version 1.1, GEMC is licensed under the **Apache License, Version 2.0** (the "License").
-You may not use this software except in compliance with the License. You may obtain a copy of
-the License at <http://www.apache.org/licenses/LICENSE-2.0>.
-
-> Copyright (c) 2006–2026,
-> Maurizio Ungaro and Thomas Jefferson National Accelerator Facility (`Jefferson Lab`).
-
-Unless required by applicable law or agreed to in writing, software distributed under the
-License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
-either express or implied. See the License for the specific language governing permissions and
-limitations under the License.
-
-This version supersedes the previous custom *GEMC Software License v1.0 (May 28, 2026)*.
-
-<br/>
-
-## NOTICE
-
-This product includes the GEMC software developed by Maurizio Ungaro at Thomas Jefferson
-National Accelerator Facility (Jefferson Lab).
-
-GEMC may be distributed with, or may require, third-party components (including, without
-limitation, Geant4, CLHEP, Qt, ROOT, SQLite, and Assimp) that are separately licensed. Such
-components are provided under their respective licenses, and you must comply with those
-licenses in addition to the Apache License, Version 2.0 that covers GEMC itself. Where required
-(for example, by the Geant4 license), you must reproduce the applicable notices and
-acknowledgments in your redistribution.
-
-<br/>
-
-## Scientific Citation
-
-Citation is **requested but not required**. If you use GEMC in scientific work, please help our
-scientific visibility by citing:
-
-> M. Ungaro, "Geant4 Monte-Carlo (GEMC) A database-driven simulation program," EPJ Web of
-> Conferences 295, 05005 (2024). <https://doi.org/10.1051/epjconf/202429505005>
-
-```bibtex
-@INPROCEEDINGS{2024EPJWC.29505005U,
-       author = {{Ungaro}, Maurizio},
-        title = "{Geant4 Monte-Carlo (GEMC) A database-driven simulation program}",
-    booktitle = {European Physical Journal Web of Conferences},
-         year = 2024,
-       series = {European Physical Journal Web of Conferences},
-       volume = {295},
-        month = may,
-          eid = {05005},
-        pages = {05005},
-          doi = {10.1051/epjconf/202429505005},
-       adsurl = {https://ui.adsabs.harvard.edu/abs/2024EPJWC.29505005U},
-      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
-}
-```
-
-<br/>
-
-## Apache License, Version 2.0 — full text
-
-```
                                  Apache License
                            Version 2.0, January 2004
                         http://www.apache.org/licenses/
@@ -269,4 +200,3 @@ scientific visibility by citing:
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-```

NOTICE

@@ -0,0 +1,34 @@
+GEMC — Geant4 Monte-Carlo
+Copyright 2006-2026 Maurizio Ungaro and Thomas Jefferson National Accelerator
+Facility (Jefferson Lab).
+
+This product includes the GEMC software developed by Maurizio Ungaro at
+Thomas Jefferson National Accelerator Facility (Jefferson Lab).
+
+This software includes voluntary contributions made to the GEMC project.
+
+------------------------------------------------------------------------------
+Third-party components
+------------------------------------------------------------------------------
+GEMC is distributed with, or requires at run time, third-party components that
+are separately licensed. Each is provided under its own license, and you must
+comply with those licenses in addition to the Apache License, Version 2.0 that
+covers GEMC itself. Where required (for example, by the Geant4 license), the
+applicable notices and acknowledgments must be reproduced in redistributions.
+
+  - Geant4   — https://geant4.web.cern.ch        (Geant4 Software License)
+  - CLHEP    — https://proj-clhep.web.cern.ch    (CLHEP / GNU GPL)
+  - Qt       — https://www.qt.io                 (LGPLv3 / commercial)
+  - ROOT     — https://root.cern                 (LGPLv2.1)
+  - SQLite   — https://www.sqlite.org            (public domain)
+  - Assimp   — https://www.assimp.org            (BSD-3-Clause)
+  - yaml-cpp — https://github.com/jbeder/yaml-cpp (MIT)
+
+------------------------------------------------------------------------------
+Citation
+------------------------------------------------------------------------------
+If you use GEMC in scientific work, please cite (see CITATION.cff):
+
+  M. Ungaro, "Geant4 Monte-Carlo (GEMC) A database-driven simulation program,"
+  EPJ Web of Conferences 295, 05005 (2024).
+  https://doi.org/10.1051/epjconf/202429505005

ci/dockerhub/README.md

@@ -103,6 +103,6 @@ If you use GEMC in scientific work, please cite:
 
 ## License
 
-GEMC is distributed under the project license (see the [source repository](https://github.com/gemc/src/blob/main/LICENSE.md)).
+GEMC is licensed under the [Apache License, Version 2.0](https://github.com/gemc/src/blob/main/LICENSE).
 The images also contain separately licensed third-party components, including Geant4, CLHEP, Qt, ROOT, SQLite, and
 Assimp.