Dr. Alexander Grohsjean {"uuid":"22e8efea-5fdd-4509-89dc-cd57f6349ba4","name":{"firstName":"Alexander","lastName":"Grohsjean"},"info":{"portalUrl":"https://www.pod.uni-hamburg.de/detail/en/persons/alexander-grohsjean(22e8efea-5fdd-4509-89dc-cd57f6349ba4).html"},"titles":[{"value":{"text":[{"locale":"en_GB","value":"Dr."}]}}],"staffOrganisationAssociations":[{"period":{"startDate":"2023-01-01T12:00:00.000+0100","endDate":"2025-12-31T12:00:00.000+0100"},"employmentType":{"pureId":12315155,"uri":"/dk/atira/pure/person/employmenttypes/wima_28_3_drimi","term":{"formatted":false,"text":[{"locale":"en_GB","value":"Academic and Creative Arts Staff, §28(3), third-party funding"}]}},"organisationalUnit":{"name":{"text":[{"locale":"en_GB","value":"Experimental Particle Physics with a Focus on Collider Physics (Prof. Dr. Haller)"}]}},"addresses":[{"street":"Luruper Chaussee 149","postalcode":"22761","city":"Hamburg","country":{"term":{"text":[{"locale":"en_GB","value":"Germany"}]}}}],"emails":[{"value":{"value":"alexander.grohsjean@uni-hamburg.de"}}]},{"period":{"startDate":"2023-01-01T12:00:00.000+0100","endDate":"2025-12-31T12:00:00.000+0100"},"employmentType":{"pureId":1448,"uri":"/dk/atira/pure/person/employmenttypes/wiss_und_kuenstler_mitarbeiter_im_angestelltenverh_ltnis","term":{"formatted":false,"text":[{"locale":"en_GB","value":"Academic and Creative Arts Staff"}]}},"organisationalUnit":{"name":{"text":[{"locale":"en_GB","value":"Center in Hamburg for Astro-, Mathematical and Particle Physics (CHAMPP)"}]}},"addresses":[{"street":"Luruper Chaussee 149","postalcode":"22761","city":"Hamburg","country":{"term":{"text":[{"locale":"en_GB","value":"Germany"}]}}}]},{"period":{"startDate":"2023-01-01T12:00:00.000+0100","endDate":"2025-12-31T12:00:00.000+0100"},"employmentType":{"pureId":1448,"uri":"/dk/atira/pure/person/employmenttypes/wiss_und_kuenstler_mitarbeiter_im_angestelltenverh_ltnis","term":{"formatted":false,"text":[{"locale":"en_GB","value":"Academic and Creative Arts Staff"}]}},"organisationalUnit":{"name":{"text":[{"locale":"de_DE","value":"Quantum Universe"}]}},"addresses":[{"street":"Luruper Chaussee 149","postalcode":"22761","city":"Hamburg","country":{"term":{"text":[{"locale":"en_GB","value":"Germany"}]}}}]}]}ContactExperimental Particle Physics with a Focus on Collider Physics (Prof. Dr. Haller)alexander.grohsjean@uni-hamburg.deOverviewPublications174Publications2024ALP-ine quests at the LHC: hunting axion-like particles via peaks and dips in tt- productionA. AnuarA. BiekötterT. BiekötterA. GrohsjeanS. HeinemeyerL. JeppeC. SchwanenbergerG. WeigleinPublished: Journal articles: Journal of high energy physics, Vol. 2024, 12, 39 p.Submitted manuscriptDOI: 10.1007/JHEP12(2024)197External publication metricsData is transferred to third parties. For more information look at our Privacy statement.Search for exotic decays of the Higgs boson to a pair of pseudoscalars in the μμbb and ττbb final statesThe CMS CollaborationShow authorsE. GaruttiJ. HallerG. KasieczkaP. SchleperF. BlekmanE. GalloC. SchwanenbergerA. AlbrechtS. AlbrechtM. AntonelloS. L. BeinL. BenatoM. BonanomiP. L. S. ConnorM. EichK. EL MorabitY. FischerA. FröhlichC. A. GarbersA. GrohsjeanH. R. JabuschP. KeicherR. KlannerW. KorcariT. KramerV. KutznerF. LabeA. LobanovC. MatthiesA. MehtaL. MoureauxM. MrowietzA. NigamovaY. NissanA. PaaschK. J. Pena RodriguezT. QuadfaselB. RacitiM. RiegerD. SavoiuM. SchröderJ. SchwandtM. SommerhalderH. StadieG. SteinbrückA. TewsM. WolfPublished: Journal articles: European Physical Journal C, Vol. 84, 5Submitted manuscriptDOI: 10.1140/epjc/s10052-024-12727-4External publication metricsData is transferred to third parties. For more information look at our Privacy statement.ActivateMeasurement of the primary Lund jet plane density in proton-proton collisions at √s = 13 TeVThe CMS CollaborationShow authorsE. GaruttiJ. HallerG. KasieczkaP. SchleperF. BlekmanE. GalloC. SchwanenbergerA. AlbrechtS. AlbrechtM. AntonelloS. L. BeinL. BenatoM. BonanomiP. L. S. ConnorM. EichK. EL MorabitY. FischerA. FröhlichC. A. GarbersA. GrohsjeanH. R. JabuschP. KeicherR. KlannerW. KorcariT. KramerV. KutznerF. LabeA. LobanovC. MatthiesA. MehtaL. MoureauxM. MrowietzA. NigamovaY. NissanA. PaaschK. J. Pena RodriguezT. QuadfaselB. RacitiM. RiegerD. SavoiuM. SchröderJ. SchwandtM. SommerhalderH. StadieG. SteinbrückA. TewsM. WolfPublished: Journal articles: Journal of High Energy Physics, Vol. 2024, 5Submitted manuscriptDOI: 10.1007/jhep05(2024)116External publication metricsData is transferred to third parties. For more information look at our Privacy statement.ActivateInclusive and differential cross section measurements of t t ¯b b ¯ production in the lepton+jets channel at √s = 13 TeVThe CMS CollaborationShow authorsE. GaruttiJ. HallerG. KasieczkaP. SchleperF. BlekmanE. GalloC. SchwanenbergerA. AlbrechtS. AlbrechtM. AntonelloS. L. BeinL. BenatoM. BonanomiP. L. S. ConnorM. EichK. EL MorabitY. FischerA. FröhlichC. A. GarbersA. GrohsjeanH. R. JabuschP. KeicherR. KlannerW. KorcariT. KramerV. KutznerF. LabeA. LobanovC. MatthiesA. MehtaL. MoureauxM. MrowietzA. NigamovaY. NissanA. PaaschK. J. Pena RodriguezT. QuadfaselB. RacitiM. RiegerD. SavoiuM. SchröderJ. SchwandtM. SommerhalderH. StadieG. SteinbrückA. TewsM. WolfPublished: Journal articles: Journal of High Energy Physics, Vol. 2024, 5DOI: 10.1007/jhep05(2024)042External publication metricsData is transferred to third parties. For more information look at our Privacy statement.ActivateAll 174 PublicationsExternal publication metrics are inactiveWith the activation, data is transferred to third parties. For more information look at our Privacy statement.activate