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LDMX -- The Light Dark Matter eXperiment

Fuente: arXiv

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Main Authors:	Akesson, Torsten, Alsaraya, Layan, Appert, Stephen, Bell, Charles, Berzin, Elizabeth, Blinov, Nikita, Borrel, Léo, Bravo, Cameron, Brennan, Liam, Bryngemark, Lene Kristian, Butti, Pierfrancesco, Catena, Riccardo, Chavez, Anthony, Colegrove, Owen, Collura, Giulia, Daghlian, Patill, Delzanno, Filippo, Dukes, E. Craig, Dutta, Valentina, Echenard, Bertrand, Ehrlich, Ralf, Eichlersmith, Thomas, Eisch, Jonathan, Elén, Einar, Fernandez, Eric, Frahm, Erich, Froemming, Cooper, Furmanski, Andrew P., Gajdán, Gréta, Ghrear, Majd, Gogate, Niramay, Gomez, Victor, Graham, Matt, Gray, Taylor, Greaves, Josh, Grieco, Chiara, Group, Craig, György, Peter, Hast, Carsten, Helgstrand, Axel, Herde, Hannah, Herwig, Christian, Hitlin, David G., Horoho, Tyler, Huse, Cameron, Incandela, Joseph R., Jang, David, Jay, Nathan, Jige, Asahi, Kaminski, Joseph, Ketchum, Wesley, Kilpatrick, Matthew, Kristiansen, Kai, Krnjaic, Gordan, Kyre, Susanne, Lange, Travis, Lazaro, Juan, Li, Amina, Li, Shirley, Li, Shujin, Li, Yuze, Lin, Ziqi, Liu, Hongyin, Loh, Megan, Loman, Lisa Andersson, Ma, Zihan, Mans, Jeremiah, Masanam, Sanjit, Masterson, Phillip, Metallo, Steven, Middleton, Sophie, Moran, Noah, Moreno, Omar, Mullier, Geoffrey, Muse, Joseph, Nagar, Akshay, Nelson, Timothy, Niendorf, Gavin, O'Dwyer, Rory, Ortez, William, Österman, Lennart, Östman, Leo, Oyang, James, Palit, Pritam, Parmar, Dhruvanshu, Pascadlo, Jessica, Peets, Emrys, Pele, Arnaud, Pöttgen, Ruth, Qu, Huilin, Quinnan, Melissa, Raffelsberger, Jaida, Reese, Benjamin, Rodriguez, Chelsea, Sanchez, Eduardo, Sarmiento, Luis G., Schuster, Philip, Sellgren, Chris, Siegel, Harrison, Solai, Pradyun, Solt, Matthew, Stedman, Francisca, Suarez, Cristina Mantilla, Tompkins, Lauren, Toro, Natalia, Tran, Nhan, Trevor, Jason, Vami, Tamas Almos, Wall, Kieran, Wallin, Erik, Wan, Zhengyu, Wang, Yuxuan, Whitbeck, Andrew, Wilmot, Duncan, Xu, Xinyi, Yoo, Jihoon, Zhang, Danyi, Zhao, Guanglei, Zhou, Weilong
Format:	Preprint
Published:	2025
Subjects:	High Energy Physics - Experiment High Energy Physics - Phenomenology
Online Access:	Acceder al recurso
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_version_	1866915530293641216
author	Akesson, Torsten Alsaraya, Layan Appert, Stephen Bell, Charles Berzin, Elizabeth Blinov, Nikita Borrel, Léo Bravo, Cameron Brennan, Liam Bryngemark, Lene Kristian Butti, Pierfrancesco Catena, Riccardo Chavez, Anthony Colegrove, Owen Collura, Giulia Daghlian, Patill Delzanno, Filippo Dukes, E. Craig Dutta, Valentina Echenard, Bertrand Ehrlich, Ralf Eichlersmith, Thomas Eisch, Jonathan Elén, Einar Fernandez, Eric Frahm, Erich Froemming, Cooper Furmanski, Andrew P. Gajdán, Gréta Ghrear, Majd Gogate, Niramay Gomez, Victor Graham, Matt Gray, Taylor Greaves, Josh Grieco, Chiara Group, Craig György, Peter Hast, Carsten Helgstrand, Axel Herde, Hannah Herwig, Christian Hitlin, David G. Horoho, Tyler Huse, Cameron Incandela, Joseph R. Jang, David Jay, Nathan Jige, Asahi Kaminski, Joseph Ketchum, Wesley Kilpatrick, Matthew Kristiansen, Kai Krnjaic, Gordan Kyre, Susanne Lange, Travis Lazaro, Juan Li, Amina Li, Shirley Li, Shujin Li, Yuze Lin, Ziqi Liu, Hongyin Loh, Megan Loman, Lisa Andersson Ma, Zihan Mans, Jeremiah Masanam, Sanjit Masterson, Phillip Metallo, Steven Middleton, Sophie Moran, Noah Moreno, Omar Mullier, Geoffrey Muse, Joseph Nagar, Akshay Nelson, Timothy Niendorf, Gavin O'Dwyer, Rory Ortez, William Österman, Lennart Östman, Leo Oyang, James Palit, Pritam Parmar, Dhruvanshu Pascadlo, Jessica Peets, Emrys Pele, Arnaud Pöttgen, Ruth Qu, Huilin Quinnan, Melissa Raffelsberger, Jaida Reese, Benjamin Rodriguez, Chelsea Sanchez, Eduardo Sarmiento, Luis G. Schuster, Philip Sellgren, Chris Siegel, Harrison Solai, Pradyun Solt, Matthew Stedman, Francisca Suarez, Cristina Mantilla Tompkins, Lauren Toro, Natalia Tran, Nhan Trevor, Jason Vami, Tamas Almos Wall, Kieran Wallin, Erik Wan, Zhengyu Wang, Yuxuan Whitbeck, Andrew Wilmot, Duncan Xu, Xinyi Yoo, Jihoon Zhang, Danyi Zhao, Guanglei Zhou, Weilong
author_facet	Akesson, Torsten Alsaraya, Layan Appert, Stephen Bell, Charles Berzin, Elizabeth Blinov, Nikita Borrel, Léo Bravo, Cameron Brennan, Liam Bryngemark, Lene Kristian Butti, Pierfrancesco Catena, Riccardo Chavez, Anthony Colegrove, Owen Collura, Giulia Daghlian, Patill Delzanno, Filippo Dukes, E. Craig Dutta, Valentina Echenard, Bertrand Ehrlich, Ralf Eichlersmith, Thomas Eisch, Jonathan Elén, Einar Fernandez, Eric Frahm, Erich Froemming, Cooper Furmanski, Andrew P. Gajdán, Gréta Ghrear, Majd Gogate, Niramay Gomez, Victor Graham, Matt Gray, Taylor Greaves, Josh Grieco, Chiara Group, Craig György, Peter Hast, Carsten Helgstrand, Axel Herde, Hannah Herwig, Christian Hitlin, David G. Horoho, Tyler Huse, Cameron Incandela, Joseph R. Jang, David Jay, Nathan Jige, Asahi Kaminski, Joseph Ketchum, Wesley Kilpatrick, Matthew Kristiansen, Kai Krnjaic, Gordan Kyre, Susanne Lange, Travis Lazaro, Juan Li, Amina Li, Shirley Li, Shujin Li, Yuze Lin, Ziqi Liu, Hongyin Loh, Megan Loman, Lisa Andersson Ma, Zihan Mans, Jeremiah Masanam, Sanjit Masterson, Phillip Metallo, Steven Middleton, Sophie Moran, Noah Moreno, Omar Mullier, Geoffrey Muse, Joseph Nagar, Akshay Nelson, Timothy Niendorf, Gavin O'Dwyer, Rory Ortez, William Österman, Lennart Östman, Leo Oyang, James Palit, Pritam Parmar, Dhruvanshu Pascadlo, Jessica Peets, Emrys Pele, Arnaud Pöttgen, Ruth Qu, Huilin Quinnan, Melissa Raffelsberger, Jaida Reese, Benjamin Rodriguez, Chelsea Sanchez, Eduardo Sarmiento, Luis G. Schuster, Philip Sellgren, Chris Siegel, Harrison Solai, Pradyun Solt, Matthew Stedman, Francisca Suarez, Cristina Mantilla Tompkins, Lauren Toro, Natalia Tran, Nhan Trevor, Jason Vami, Tamas Almos Wall, Kieran Wallin, Erik Wan, Zhengyu Wang, Yuxuan Whitbeck, Andrew Wilmot, Duncan Xu, Xinyi Yoo, Jihoon Zhang, Danyi Zhao, Guanglei Zhou, Weilong
contents	The Light Dark Matter eXperiment (LDMX) is an electron fixed-target experiment optimized to search for sub-GeV dark matter production through the missing momentum signature. LDMX is designed to operate in End Station A at SLAC, using an 8 GeV electron beam accelerated alongside the LCLS-II drive beam. The design of the apparatus is strongly motivated by the performance requirements of a high-rate missing momentum search and leverages detector technologies and designs from other experiments along with existing facilities at SLAC. LDMX will improve on previous results by up to three orders of magnitude, enabling broad sensitivity to dark sector scenarios including the dark matter interaction strengths motivated by freeze-out of MeV-GeV mass dark matter to the observed relic abundance. With hermetic forward coverage, LDMX also has sensitivity to visible signatures of dark sectors and provides a unique probe of electron-nuclear interactions important to interpreting data from accelerator-based neutrino experiments. This report encompasses the technical design of the LDMX Detector, its simulated performance, and the physics capabilities of the experiment.
format	Preprint
id	arxiv_https___arxiv_org_abs_2508_11833
institution	arXiv
publishDate	2025
record_format	arxiv
spellingShingle	LDMX -- The Light Dark Matter eXperiment Akesson, Torsten Alsaraya, Layan Appert, Stephen Bell, Charles Berzin, Elizabeth Blinov, Nikita Borrel, Léo Bravo, Cameron Brennan, Liam Bryngemark, Lene Kristian Butti, Pierfrancesco Catena, Riccardo Chavez, Anthony Colegrove, Owen Collura, Giulia Daghlian, Patill Delzanno, Filippo Dukes, E. Craig Dutta, Valentina Echenard, Bertrand Ehrlich, Ralf Eichlersmith, Thomas Eisch, Jonathan Elén, Einar Fernandez, Eric Frahm, Erich Froemming, Cooper Furmanski, Andrew P. Gajdán, Gréta Ghrear, Majd Gogate, Niramay Gomez, Victor Graham, Matt Gray, Taylor Greaves, Josh Grieco, Chiara Group, Craig György, Peter Hast, Carsten Helgstrand, Axel Herde, Hannah Herwig, Christian Hitlin, David G. Horoho, Tyler Huse, Cameron Incandela, Joseph R. Jang, David Jay, Nathan Jige, Asahi Kaminski, Joseph Ketchum, Wesley Kilpatrick, Matthew Kristiansen, Kai Krnjaic, Gordan Kyre, Susanne Lange, Travis Lazaro, Juan Li, Amina Li, Shirley Li, Shujin Li, Yuze Lin, Ziqi Liu, Hongyin Loh, Megan Loman, Lisa Andersson Ma, Zihan Mans, Jeremiah Masanam, Sanjit Masterson, Phillip Metallo, Steven Middleton, Sophie Moran, Noah Moreno, Omar Mullier, Geoffrey Muse, Joseph Nagar, Akshay Nelson, Timothy Niendorf, Gavin O'Dwyer, Rory Ortez, William Österman, Lennart Östman, Leo Oyang, James Palit, Pritam Parmar, Dhruvanshu Pascadlo, Jessica Peets, Emrys Pele, Arnaud Pöttgen, Ruth Qu, Huilin Quinnan, Melissa Raffelsberger, Jaida Reese, Benjamin Rodriguez, Chelsea Sanchez, Eduardo Sarmiento, Luis G. Schuster, Philip Sellgren, Chris Siegel, Harrison Solai, Pradyun Solt, Matthew Stedman, Francisca Suarez, Cristina Mantilla Tompkins, Lauren Toro, Natalia Tran, Nhan Trevor, Jason Vami, Tamas Almos Wall, Kieran Wallin, Erik Wan, Zhengyu Wang, Yuxuan Whitbeck, Andrew Wilmot, Duncan Xu, Xinyi Yoo, Jihoon Zhang, Danyi Zhao, Guanglei Zhou, Weilong High Energy Physics - Experiment High Energy Physics - Phenomenology The Light Dark Matter eXperiment (LDMX) is an electron fixed-target experiment optimized to search for sub-GeV dark matter production through the missing momentum signature. LDMX is designed to operate in End Station A at SLAC, using an 8 GeV electron beam accelerated alongside the LCLS-II drive beam. The design of the apparatus is strongly motivated by the performance requirements of a high-rate missing momentum search and leverages detector technologies and designs from other experiments along with existing facilities at SLAC. LDMX will improve on previous results by up to three orders of magnitude, enabling broad sensitivity to dark sector scenarios including the dark matter interaction strengths motivated by freeze-out of MeV-GeV mass dark matter to the observed relic abundance. With hermetic forward coverage, LDMX also has sensitivity to visible signatures of dark sectors and provides a unique probe of electron-nuclear interactions important to interpreting data from accelerator-based neutrino experiments. This report encompasses the technical design of the LDMX Detector, its simulated performance, and the physics capabilities of the experiment.
title	LDMX -- The Light Dark Matter eXperiment
topic	High Energy Physics - Experiment High Energy Physics - Phenomenology
url	https://arxiv.org/abs/2508.11833