The NEXT-100 Detector

The NEXT collaboration is dedicated to the study of double beta decays of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mrow></mml:mrow> <mml:mrow></mml:mrow> <mml:mn>136</mml:mn></mml:mmultiscripts> </mml:math> Xe using a high-pressure gas electroluminescent time projection chamber. This advanced technology combines exceptional energy resolution ( <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mo>≤</mml:mo> <mml:mn>1</mml:mn> <mml:mo>%</mml:mo></mml:mrow> </mml:math> FWHM at the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi>Q</mml:mi> <mml:mrow><mml:mi>β</mml:mi> <mml:mi>β</mml:mi></mml:mrow> </mml:msub> </mml:math> value of the neutrinoless double beta decay) and powerful topological event discrimination. Building on the achievements of the NEXT-White detector, the NEXT-100 detector started taking data at the Laboratorio Subterráneo de Canfranc (LSC) in May of 2024. Designed to operate with xenon gas at 13.5 bar, NEXT-100 consists of a time projection chamber where the energy and the spatial pattern of the ionising particles in the detector are precisely retrieved using two sensor planes (one with photo-multiplier tubes and the other with silicon photo-multipliers). The detector has been operating at stable conditions using argon and xenon gases at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mo>∼</mml:mo></mml:math> 4 bar and drift fields of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mn>74</mml:mn> <mml:mspace></mml:mspace> <mml:mtext>V</mml:mtext> <mml:mspace></mml:mspace> <mml:msup><mml:mtext>cm</mml:mtext> <mml:mrow><mml:mo>-</mml:mo> <mml:mn>1</mml:mn></mml:mrow> </mml:msup> </mml:mrow> </mml:math> and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mn>118</mml:mn> <mml:mspace></mml:mspace> <mml:mtext>V</mml:mtext> <mml:mspace></mml:mspace> <mml:msup><mml:mtext>cm</mml:mtext> <mml:mrow><mml:mo>-</mml:mo> <mml:mn>1</mml:mn></mml:mrow> </mml:msup> </mml:mrow> </mml:math> , respectively. Alpha decays from the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mrow></mml:mrow> <mml:mrow></mml:mrow> <mml:mn>222</mml:mn></mml:mmultiscripts> </mml:math> Rn chain have been used to test and monitor the stability of the detector, showing a constant electron lifetime in the drift volume. In this paper, in addition to reporting the results of the commissioning run, we provide a detailed description of the NEXT-100 detector, describe its assembly, and present the current estimation of the radiopurity budget.

Authors

Institutions

Publication Details

Journal
The European Physical Journal C
Published
2026-02-05
DOI
https://doi.org/10.1140/epjc/s10052-025-14951-y
Primary Topic
Neutrino Physics Research
Type
article
Field-Weighted Citation Impact
0.00

Funders

Controls
|||
ALL TIME
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
article

The NEXT-100 Detector

Francisco Rodríguez Ballester, E. Dey, C. Romo-Luque, Zoraida Freixa et al.
The European Physical Journal C
Neutrino Physics Research
article

The NEXT-100 Detector

Francisco Rodríguez Ballester, E. Dey, C. Romo-Luque, Zoraida Freixa, Fernando Auria‐Luna, P. Ferrario, Claire Tonnelé, S. Torelli, Mukundam Vanga, L. Rogers, A. Foglio Para, J. Renner, K. Mistry, V. Álvarez, B. Palmeiro, F. López, L. Arazi, R. Madigan, J. Molina-Canteras, I. Parmaksiz, Miryam Martínez-Vara, R. Felkai, B. Romeo, G. Martínez-Lema, C. Riccio, J. Pelegrìn, V. Herrero, J. Waiton, Iván Rivilla, J. Palacio, JARA GARCÍA-BARRENA, P. Lebrun, K. Bailey, R. D. P. Mano, M. del Barrio-Torregrosa, F. Monrabal, J. Torrent, J. A. Hernando Morata, C. A. O. Henriques, A. Bayo, A. Martínez, F. P. Santos, C. Adams, S. R. Soleti, Y. Ifergan, A. Castillo, M. Elorza, D. R. Nygren, P. Dietz, N. López-March, L. M. P. Fernandes, C. Hervés Carrete, E. Oblak, R. Guenette, Y. Ayyad, J. M. Benlloch-Rodríguez, M. Cid, J. F. Toledo, P. Saharia, J. M. R. Teixeira, F. J. Mora, F. P. Cossío, X. Cid, A. Marauri, K. E. Navarro, P. Novella, A. Yubero-Navarro, R. L. Miller, F. I. G. M. Borges, R. Coupe, J. E. Barcelon, J. J. Gómez-Cadenas, J. M. F. dos Santos, A. I. Aranburu, C. D. R. Azevedo, C. Echeverria, M. Sorel, C. A. N. Conde, P. R. G. Valle, I. Shomroni, A. L. M. Silva, J. W. R. Grocott, E. Ruiz-Chóliz, M. Pérez Maneiro, I. Osborne, F. W. Foss, M. Seemann, A. Brodoline, S. Ayet, A. Trettin, J. Hauptman, C. M. B. Monteiro, F. Kellerer, N. Byrnes, A. P. Marques, C. Cortes-Parra, C. Rogero, J. D. Villamil, J. F. C. A. Veloso, A. Pazos, L. Larizgoitia, J. Soto-Oton, P. Vázquez Cabaleiro, A. F. B. Isabel, B. J. P. Jones, L. Cid, H. Almazán, P. Herrero-Gómez, S. Teruel-Pardo, A. Simón, P. A. O. C. Silva, M. Querol, E. Church, I. J. Arnquist
article en

Abstract

The NEXT collaboration is dedicated to the study of double beta decays of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mrow></mml:mrow> <mml:mrow></mml:mrow> <mml:mn>136</mml:mn></mml:mmultiscripts> </mml:math> Xe using a high-pressure gas electroluminescent time projection chamber. This advanced technology combines exceptional energy resolution ( <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mo>≤</mml:mo> <mml:mn>1</mml:mn> <mml:mo>%</mml:mo></mml:mrow> </mml:math> FWHM at the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi>Q</mml:mi> <mml:mrow><mml:mi>β</mml:mi> <mml:mi>β</mml:mi></mml:mrow> </mml:msub> </mml:math> value of the neutrinoless double beta decay) and powerful topological event discrimination. Building on the achievements of the NEXT-White detector, the NEXT-100 detector started taking data at the Laboratorio Subterráneo de Canfranc (LSC) in May of 2024. Designed to operate with xenon gas at 13.5 bar, NEXT-100 consists of a time projection chamber where the energy and the spatial pattern of the ionising particles in the detector are precisely retrieved using two sensor planes (one with photo-multiplier tubes and the other with silicon photo-multipliers). The detector has been operating at stable conditions using argon and xenon gases at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mo>∼</mml:mo></mml:math> 4 bar and drift fields of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mn>74</mml:mn> <mml:mspace></mml:mspace> <mml:mtext>V</mml:mtext> <mml:mspace></mml:mspace> <mml:msup><mml:mtext>cm</mml:mtext> <mml:mrow><mml:mo>-</mml:mo> <mml:mn>1</mml:mn></mml:mrow> </mml:msup> </mml:mrow> </mml:math> and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mn>118</mml:mn> <mml:mspace></mml:mspace> <mml:mtext>V</mml:mtext> <mml:mspace></mml:mspace> <mml:msup><mml:mtext>cm</mml:mtext> <mml:mrow><mml:mo>-</mml:mo> <mml:mn>1</mml:mn></mml:mrow> </mml:msup> </mml:mrow> </mml:math> , respectively. Alpha decays from the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mrow></mml:mrow> <mml:mrow></mml:mrow> <mml:mn>222</mml:mn></mml:mmultiscripts> </mml:math> Rn chain have been used to test and monitor the stability of the detector, showing a constant electron lifetime in the drift volume. In this paper, in addition to reporting the results of the commissioning run, we provide a detailed description of the NEXT-100 detector, describe its assembly, and present the current estimation of the radiopurity budget.

The European Physical Journal CVol. 86(2)
Ikerbasque (ES), Ben-Gurion University of the Negev (IL), Argonne National Laboratory (US), Fermi National Accelerator Laboratory (US), Los Alamos National Laboratory (US), Pacific Northwest National Laboratory (US), University of the Basque Country (ES), Iowa State University (US), The University of Texas at Arlington (US), Hebrew University of Jerusalem (IL), Universidade de Santiago de Compostela (ES), Universitat de Girona (ES), Basque Centre for Climate Change (ES), Instituto de Física Corpuscular (ES), Canfranc Underground Laboratory (ES), Servicio Gallego de Salud (ES), Weizmann Institute of Science (IL), Universitat Politècnica de València (ES), University of Aveiro (PT), University of Coimbra (PT), Manchester University (US)
National Science Foundation, U.S. Department of Energy, “la Caixa” Foundation, European Commission, Eusko Jaurlaritza, Generalitat Valenciana, Israel Science Foundation, PAZY Foundation, Fundação para a Ciência e a Tecnologia, European Regional Development Fund, Agencia Estatal de Investigación, Division of Chemistry, Argonne National Laboratory, Fermilab
Affordable and clean energy
Openalex Percentile: Top 63%
Neutrino Physics Research
DOIOpen Access PDFOpenAlex
AI Navigator

Ask Laika to Summarize, Analyze, and Connect papers live on the map.

Summarize Papers & Methodologies

Extract key findings, datasets, and comparative methods across publications.

Benchmark Rankings & Visual Analytics

Rank top research institutions, authors, funders, topics, and journals by Field-Weighted Citation Impact (FWCI) and paper volume with instant charts.

Connect Distant Disciplines

Bridge topological clusters on the map to find hidden collaborative intersections.