TY  - RPRT
TI  - First Results on the Search for Lepton Number Violating Neutrinoless Double-𝛽 Decay with the LEGEND-200 Experiment
AU  - Acharya, H. [University of North Carolina; Triangle Universities Nuclear Laboratory] (ORCID:0009000022198511)
AU  - Ackermann, N. [Max-Planck-Institut für Kernphysik]
AU  - Agostini, M. [University College London] (ORCID:0000000311515301)
AU  - Alexander, A. [University College London] (ORCID:0000000156081397)
AU  - Andreoiu, C. [Simon Fraser University] (ORCID:0000000201962792)
AU  - Araujo, G. R. [University of Zürich] (ORCID:0000000344560774)
AU  - Avignone, F. T. [University of South Carolina; Oak Ridge National Laboratory]
AU  - Babicz, M. [University of Zürich] (ORCID:0000000210175440)
AU  - Bae, W. [University of Texas at Austin] (ORCID:0000000276467577)
AU  - Bakalyarov, A. M. [National Research Centre “Kurchatov Institute”]
AU  - Balata, M. [Laboratori Nazionali del Gran Sasso] (ORCID:0000000167456983)
AU  - Barabash, A. S. [National Research Centre “Kurchatov Institute”] (ORCID:0000000251300922)
AU  - Barbeau, P. S. [Duke University; Triangle Universities Nuclear Laboratory] (ORCID:0000000288918988)
AU  - Barton, C. J. [Istituto Nazionale di Fisica Nucleare] (ORCID:0000000246983765)
AU  - Baudis, L. [University of Zürich] (ORCID:0000000347101768)
AU  - Bauer, C. [Max-Planck-Institut für Kernphysik]
AU  - Bernieri, E. [Università degli Studi di Roma Tre; Istituto Nazionale di Fisica Nucleare] (ORCID:0000000247872047)
AU  - Bezrukov, L. [Institute for Nuclear Research of the Russian Academy of Sciences] (ORCID:0000000246058705)
AU  - Bhimani, K. H. [University of North Carolina; Triangle Universities Nuclear Laboratory] (ORCID:0000000336953164)
AU  - Biancacci, V. [Gran Sasso Science Institute; Laboratori Nazionali del Gran Sasso] (ORCID:0000000213288950)
AU  - Blalock, E. [North Carolina State University; Triangle Universities Nuclear Laboratory] (ORCID:000000015311371X)
AU  - Borden, S. J. [University of Washington] (ORCID:0009000325394333)
AU  - Borghi, G. [Politecnico di Milano; Istituto Nazionale di Fisica Nucleare] (ORCID:0000000184884728)
AU  - Borra, F. [Università degli Studi di Roma Tre; Istituto Nazionale di Fisica Nucleare] (ORCID:0009000507046380)
AU  - Bos, B. [University of North Carolina; Triangle Universities Nuclear Laboratory] (ORCID:0009000858281745)
AU  - Boston, A. [University of Liverpool] (ORCID:0000000264471608)
AU  - Bothe, V. [Max-Planck-Institut für Kernphysik] (ORCID:0000000216906929)
AU  - Bouabid, R. [Duke University; Triangle Universities Nuclear Laboratory] (ORCID:000000017824357X)
AU  - Brugnera, R. [Dipartimento di Fisica e Astronomia dell’Università degli Studi di Padova; Istituto Nazionale di Fisica Nucleare] (ORCID:0000000221153992)
AU  - Burlac, N. [Laboratori Nazionali del Gran Sasso] (ORCID:0000000298776266)
AU  - Busch, M. [Duke University; Triangle Universities Nuclear Laboratory] (ORCID:0009000293363937)
AU  - Calgaro, S. [University of Zürich; Istituto Nazionale di Fisica Nucleare] (ORCID:0009000168465213)
AU  - Canonica, L. [Università degli Studi di Milano Bicocca; Istituto Nazionale di Fisica Nucleare] (ORCID:000000018734206X)
AU  - Capra, S. [Istituto Nazionale di Fisica Nucleare; Università degli Studi di Milano] (ORCID:0000000233304145)
AU  - Carminati, M. [Politecnico di Milano; Istituto Nazionale di Fisica Nucleare] (ORCID:0000000234854317)
AU  - Carney, R. M. D. [Lawrence Berkeley National Laboratory; Lawrence Berkeley National Laboratory] (ORCID:0000000156594440)
AU  - Cattadori, C. [Istituto Nazionale di Fisica Nucleare] (ORCID:0000000178856253)
AU  - Cesarano, R. [Gran Sasso Science Institute; Laboratori Nazionali del Gran Sasso] (ORCID:0009000395081471)
AU  - Chan, Y.-D. [Lawrence Berkeley National Laboratory] (ORCID:0009000374747326)
AU  - Chapman, J. R. [University of North Carolina; Triangle Universities Nuclear Laboratory] (ORCID:0009000498152981)
AU  - Chernogorov, A. [National Research Centre “Kurchatov Institute”] (ORCID:0000000337212165)
AU  - Chiu, P.-J. [University of Zürich] (ORCID:0000000237720090)
AU  - Christofferson, C. D. [South Dakota Mines] (ORCID:0009000518429352)
AU  - Clark, M. L. [University of North Carolina; Triangle Universities Nuclear Laboratory] (ORCID:0000000237408291)
AU  - Colon-Rivera, A. I. [Duke University; Triangle Universities Nuclear Laboratory] (ORCID:0009000506564688)
AU  - Comellato, T. [Technical University of Munich] (ORCID:0000000337805139)
AU  - D’Andrea, V. [Istituto Nazionale di Fisica Nucleare] (ORCID:0000000320374133)
AU  - Deckert, R. [Technical University of Munich] (ORCID:000900060431341X)
AU  - Detwiler, J. A. [University of Washington] (ORCID:0000000290504610)
AU  - Di Giacinto, A. [Laboratori Nazionali del Gran Sasso]
AU  - Di Marco, N. [Gran Sasso Science Institute; Laboratori Nazionali del Gran Sasso] (ORCID:0000000317237613)
AU  - Dixon, T. [University College London] (ORCID:0000000187876336)
AU  - Dong, K.-M. [University of South Dakota] (ORCID:0000000199459388)
AU  - Drobizhev, A. [Lawrence Berkeley National Laboratory] (ORCID:0009000472623028)
AU  - Duran, G. [University of North Carolina; Triangle Universities Nuclear Laboratory] (ORCID:000900013047478X)
AU  - Efremenko, Yu. [University of Tennessee; Oak Ridge National Laboratory] (ORCID:0000000251323112)
AU  - Elliott, S. R. [Los Alamos National Laboratory] (ORCID:0000000193619870)
AU  - Emmanuel, C. H. J. [University of North Carolina; Triangle Universities Nuclear Laboratory] (ORCID:0009000242740376)
AU  - Engelhardt, E. [University of North Carolina; Triangle Universities Nuclear Laboratory] (ORCID:0009000486025424)
AU  - Esch, E. [University Tübingen] (ORCID:0009000049209313)
AU  - Febbraro, M. T. [Oak Ridge National Laboratory] (ORCID:0000000203472260)
AU  - Ferella, F. [Laboratori Nazionali del Gran Sasso] (ORCID:0000000342643170)
AU  - Fields, D. E. [University of New Mexico] (ORCID:0000000264399351)
AU  - Fiorini, C. [Politecnico di Milano; Istituto Nazionale di Fisica Nucleare] (ORCID:0000000211570143)
AU  - Fomina, M. [Joint Institute for Nuclear Research] (ORCID:0000000162449450)
AU  - Fuad, N. [Indiana University] (ORCID:0000000254452534)
AU  - Gala, R. [North Carolina State University; Triangle Universities Nuclear Laboratory] (ORCID:0000000193278228)
AU  - Galindo-Uribarri, A. [Oak Ridge National Laboratory] (ORCID:000000017450404X)
AU  - Gangapshev, A. [Institute for Nuclear Research of the Russian Academy of Sciences] (ORCID:0000000260860569)
AU  - Garfagnini, A. [Dipartimento di Fisica e Astronomia dell’Università degli Studi di Padova; Istituto Nazionale di Fisica Nucleare] (ORCID:0000000306581830)
AU  - Gazzana, S. [Laboratori Nazionali di Frascati] (ORCID:0000000155857106)
AU  - Geraci, A. [Politecnico di Milano; Istituto Nazionale di Fisica Nucleare] (ORCID:0000000260843953)
AU  - Gessler, L. [University Tübingen] (ORCID:0009000197756917)
AU  - Ghiano, C. [Laboratori Nazionali del Gran Sasso] (ORCID:0009000720385445)
AU  - Gieb, A. [Technical University of Munich; Max-Planck-Institut für Kernphysik] (ORCID:0009000513047734)
AU  - Giri, S. [University of North Carolina; Triangle Universities Nuclear Laboratory] (ORCID:0009000737501107)
AU  - Gold, M. [University of New Mexico] (ORCID:0000000273003160)
AU  - Gooch, C. [Max-Planck-Institut für Physik] (ORCID:0009000165965749)
AU  - Grünauer, G. [University Tübingen]
AU  - Green, M. P. [North Carolina State University; Triangle Universities Nuclear Laboratory; Oak Ridge National Laboratory] (ORCID:0000000219588030)
AU  - Gruszko, J. [University of North Carolina; Triangle Universities Nuclear Laboratory] (ORCID:0000000237772237)
AU  - Guinn, I. [Oak Ridge National Laboratory] (ORCID:0000000224243272)
AU  - Guiseppe, V. E. [Oak Ridge National Laboratory] (ORCID:0000000200787101)
AU  - Gurentsov, V. [Institute for Nuclear Research of the Russian Academy of Sciences] (ORCID:0009000076668435)
AU  - Gurov, Y. [Joint Institute for Nuclear Research] (ORCID:0000000286954555)
AU  - Gusev, K. [Technical University of Munich; Joint Institute for Nuclear Research] (ORCID:0000000204950551)
AU  - Hackett, B. [Oak Ridge National Laboratory; Max-Planck-Institut für Physik] (ORCID:0000000249092861)
AU  - Hagemann, F. [Max-Planck-Institut für Physik] (ORCID:0000000150213328)
AU  - Haranczyk, M. [Laboratori Nazionali del Gran Sasso; Jagiellonian University] (ORCID:0000000238414108)
AU  - Henkes, F. [Technical University of Munich; Max-Planck-Institut für Kernphysik] (ORCID:0009000546256479)
AU  - Henning, R. [University of North Carolina; Triangle Universities Nuclear Laboratory] (ORCID:0000000186512960)
AU  - Herrera, J. [North Carolina State University; Triangle Universities Nuclear Laboratory] (ORCID:0009000606322395)
AU  - Hervas Aguilar, D. [Technical University of Munich] (ORCID:0000000296860659)
AU  - Hinton, J. [Max-Planck-Institut für Kernphysik] (ORCID:0000000210317760)
AU  - Hodák, R. [Czech Technical University in Prague]
AU  - Hoffmann, H. F. R. [Technische Universität Dresden] (ORCID:0009000431886569)
AU  - Howe, M. A. [University of North Carolina; Triangle Universities Nuclear Laboratory] (ORCID:0009000909239185)
AU  - Huber, M. [Technical University of Munich] (ORCID:0009000052122999)
AU  - Hult, M. [Joint Research Centre] (ORCID:0000000292486786)
AU  - Ianni, A. [Laboratori Nazionali del Gran Sasso] (ORCID:0000000269623682)
PY  - 2026
DO  - 10.1103/25tk-nctn
UR  - https://www.osti.gov/biblio/3683764
ID  - 3683764
ER  -