Search for dark matter in association with an energetic photon in $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector

A search for dark matter is conducted in final states containing a photon and missing transverse momentum in proton-proton collisions at $ \sqrt{s} $ = 13 TeV. The data, collected during 2015–2018 by the ATLAS experiment at the CERN LHC, correspond to an integrated luminosity of 139 fb$^{−1}$. No de...

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Veröffentlicht in:The journal of high energy physics 2021, Vol.2
Hauptverfasser: Aad, Georges, Abbott, Brad, Abbott, Dale Charles, Abed Abud, Adam, Abeling, Kira, Abhayasinghe, Deshan Kavishka, Abidi, Syed Haider, Abouzeid, Ossama, Abraham, Nicola, Abramowicz, Halina, Abreu, Henso, Abulaiti, Yiming, Acharya, Bobby Samir, Achkar, Baida, Adam, Lennart, Adam Bourdarios, Claire, Adamczyk, Leszek, Adamek, Lukas, Adelman, Jahred, Adersberger, Michael, Adiguzel, Aytul, Adorni, Sofia, Adye, Tim, Affolder, Tony, Afik, Yoav, Agapopoulou, Christina, Agaras, Merve Nazlim, Aggarwal, Anamika, Agheorghiesei, Catalin, Aguilar Saavedra, Juan Antonio, Ahmad, Ammara, Ahmadov, Faig, Ahmed, Waleed Syed, Ai, Xiaocong, Aielli, Giulio, Akatsuka, Shunichi, Akbiyik, Melike, Akesson, Torsten Paul Ake, Akilli, Ece, Akimov, Andrei, Al Khoury, Konie, Alberghi, Gian Luigi, Albert, Justin, Alconada Verzini, Maria Josefina, Alderweireldt, Sara Caroline, Aleksa, Martin, Aleksandrov, Igor, Alexa, Calin, Alexopoulos, Theodoros, Alfonsi, Alice, Alfonsi, Fabrizio, Alhroob, Muhammad, Ali, Babar, Ali, Shahzad, Aliev, Malik, Alimonti, Gianluca, Allaire, Corentin, Allbrooke, Benedict, Allen, Benjamin William, Allport, Phillip, Aloisio, Alberto, Alonso, Francisco, Alpigiani, Cristiano, Alunno Camelia, Elio, Alvarez Estevez, Manuel, Alviggi, Mariagrazia, Amaral Coutinho, Yara, Ambler, Alessandro, Ambroz, Luca, Amelung, Christoph, Amidei, Dante Eric, Amor dos Santos, Susana Patricia, Amoroso, Simone, Amrouche, Cherifa Sabrina, An, Fenfen, Anastopoulos, Christos, Andari, Nansi, Andeen, Timothy, Anders, John Kenneth, Andrean, Stefio Yosse, Andreazza, Attilio, Andrei, George Victor, Anelli, Christopher Ryan, Angelidakis, Stylianos, Angerami, Aaron, Anisenkov, Alexey, Annovi, Alberto, Antel, Claire, Anthony, Matthew Thomas, Antipov, Egor, Antonelli, Mario, Antrim, Daniel Joseph, Anulli, Fabio, Aoki, Masato, Aparisi Pozo, Javier Alberto, Aparo, Marco, Aperio Bella, Ludovica, Aranzabal, Nordin, Araujo Ferraz, Victor, Araujo Pereira, Rodrigo
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container_title The journal of high energy physics
container_volume 2
creator Aad, Georges
Abbott, Brad
Abbott, Dale Charles
Abed Abud, Adam
Abeling, Kira
Abhayasinghe, Deshan Kavishka
Abidi, Syed Haider
Abouzeid, Ossama
Abraham, Nicola
Abramowicz, Halina
Abreu, Henso
Abulaiti, Yiming
Acharya, Bobby Samir
Achkar, Baida
Adam, Lennart
Adam Bourdarios, Claire
Adamczyk, Leszek
Adamek, Lukas
Adelman, Jahred
Adersberger, Michael
Adiguzel, Aytul
Adorni, Sofia
Adye, Tim
Affolder, Tony
Afik, Yoav
Agapopoulou, Christina
Agaras, Merve Nazlim
Aggarwal, Anamika
Agheorghiesei, Catalin
Aguilar Saavedra, Juan Antonio
Ahmad, Ammara
Ahmadov, Faig
Ahmed, Waleed Syed
Ai, Xiaocong
Aielli, Giulio
Akatsuka, Shunichi
Akbiyik, Melike
Akesson, Torsten Paul Ake
Akilli, Ece
Akimov, Andrei
Al Khoury, Konie
Alberghi, Gian Luigi
Albert, Justin
Alconada Verzini, Maria Josefina
Alderweireldt, Sara Caroline
Aleksa, Martin
Aleksandrov, Igor
Alexa, Calin
Alexopoulos, Theodoros
Alfonsi, Alice
Alfonsi, Fabrizio
Alhroob, Muhammad
Ali, Babar
Ali, Shahzad
Aliev, Malik
Alimonti, Gianluca
Allaire, Corentin
Allbrooke, Benedict
Allen, Benjamin William
Allport, Phillip
Aloisio, Alberto
Alonso, Francisco
Alpigiani, Cristiano
Alunno Camelia, Elio
Alvarez Estevez, Manuel
Alviggi, Mariagrazia
Amaral Coutinho, Yara
Ambler, Alessandro
Ambroz, Luca
Amelung, Christoph
Amidei, Dante Eric
Amor dos Santos, Susana Patricia
Amoroso, Simone
Amrouche, Cherifa Sabrina
An, Fenfen
Anastopoulos, Christos
Andari, Nansi
Andeen, Timothy
Anders, John Kenneth
Andrean, Stefio Yosse
Andreazza, Attilio
Andrei, George Victor
Anelli, Christopher Ryan
Angelidakis, Stylianos
Angerami, Aaron
Anisenkov, Alexey
Annovi, Alberto
Antel, Claire
Anthony, Matthew Thomas
Antipov, Egor
Antonelli, Mario
Antrim, Daniel Joseph
Anulli, Fabio
Aoki, Masato
Aparisi Pozo, Javier Alberto
Aparo, Marco
Aperio Bella, Ludovica
Aranzabal, Nordin
Araujo Ferraz, Victor
Araujo Pereira, Rodrigo
description A search for dark matter is conducted in final states containing a photon and missing transverse momentum in proton-proton collisions at $ \sqrt{s} $ = 13 TeV. The data, collected during 2015–2018 by the ATLAS experiment at the CERN LHC, correspond to an integrated luminosity of 139 fb$^{−1}$. No deviations from the predictions of the Standard Model are observed and 95% confidence-level upper limits between 2.45 fb and 0.5 fb are set on the visible cross section for contributions from physics beyond the Standard Model, in different ranges of the missing transverse momentum. The results are interpreted as 95% confidence-level limits in models where weakly interacting dark-matter candidates are pair-produced via an s-channel axial-vector or vector mediator. Dark-matter candidates with masses up to 415 (580) GeV are excluded for axial-vector (vector) mediators, while the maximum excluded mass of the mediator is 1460 (1470) GeV. In addition, the results are expressed in terms of 95% confidence-level limits on the parameters of a model with an axion-like particle produced in association with a photon, and are used to constrain the coupling g$_{a}$Z$_{γ}$ of an axion-like particle to the electroweak gauge bosons.[graphic not available: see fulltext]
doi_str_mv 10.1007/JHEP02(2021)226
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Christopher Ryan</creatorcontrib><creatorcontrib>Angelidakis, Stylianos</creatorcontrib><creatorcontrib>Angerami, Aaron</creatorcontrib><creatorcontrib>Anisenkov, Alexey</creatorcontrib><creatorcontrib>Annovi, Alberto</creatorcontrib><creatorcontrib>Antel, Claire</creatorcontrib><creatorcontrib>Anthony, Matthew Thomas</creatorcontrib><creatorcontrib>Antipov, Egor</creatorcontrib><creatorcontrib>Antonelli, Mario</creatorcontrib><creatorcontrib>Antrim, Daniel Joseph</creatorcontrib><creatorcontrib>Anulli, Fabio</creatorcontrib><creatorcontrib>Aoki, Masato</creatorcontrib><creatorcontrib>Aparisi Pozo, Javier Alberto</creatorcontrib><creatorcontrib>Aparo, Marco</creatorcontrib><creatorcontrib>Aperio Bella, Ludovica</creatorcontrib><creatorcontrib>Aranzabal, Nordin</creatorcontrib><creatorcontrib>Araujo Ferraz, Victor</creatorcontrib><creatorcontrib>Araujo Pereira, Rodrigo</creatorcontrib><title>Search for dark matter in association with an energetic photon in $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector</title><title>The journal of high energy physics</title><description>A search for dark matter is conducted in final states containing a photon and missing transverse momentum in proton-proton collisions at $ \sqrt{s} $ = 13 TeV. The data, collected during 2015–2018 by the ATLAS experiment at the CERN LHC, correspond to an integrated luminosity of 139 fb$^{−1}$. No deviations from the predictions of the Standard Model are observed and 95% confidence-level upper limits between 2.45 fb and 0.5 fb are set on the visible cross section for contributions from physics beyond the Standard Model, in different ranges of the missing transverse momentum. The results are interpreted as 95% confidence-level limits in models where weakly interacting dark-matter candidates are pair-produced via an s-channel axial-vector or vector mediator. Dark-matter candidates with masses up to 415 (580) GeV are excluded for axial-vector (vector) mediators, while the maximum excluded mass of the mediator is 1460 (1470) GeV. In addition, the results are expressed in terms of 95% confidence-level limits on the parameters of a model with an axion-like particle produced in association with a photon, and are used to constrain the coupling g$_{a}$Z$_{γ}$ of an axion-like particle to the electroweak gauge bosons.[graphic not available: see fulltext]</description><subject>High Energy Physics - 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Brad</au><au>Abbott, Dale Charles</au><au>Abed Abud, Adam</au><au>Abeling, Kira</au><au>Abhayasinghe, Deshan Kavishka</au><au>Abidi, Syed Haider</au><au>Abouzeid, Ossama</au><au>Abraham, Nicola</au><au>Abramowicz, Halina</au><au>Abreu, Henso</au><au>Abulaiti, Yiming</au><au>Acharya, Bobby Samir</au><au>Achkar, Baida</au><au>Adam, Lennart</au><au>Adam Bourdarios, Claire</au><au>Adamczyk, Leszek</au><au>Adamek, Lukas</au><au>Adelman, Jahred</au><au>Adersberger, Michael</au><au>Adiguzel, Aytul</au><au>Adorni, Sofia</au><au>Adye, Tim</au><au>Affolder, Tony</au><au>Afik, Yoav</au><au>Agapopoulou, Christina</au><au>Agaras, Merve Nazlim</au><au>Aggarwal, Anamika</au><au>Agheorghiesei, Catalin</au><au>Aguilar Saavedra, Juan Antonio</au><au>Ahmad, Ammara</au><au>Ahmadov, Faig</au><au>Ahmed, Waleed Syed</au><au>Ai, Xiaocong</au><au>Aielli, Giulio</au><au>Akatsuka, Shunichi</au><au>Akbiyik, Melike</au><au>Akesson, Torsten Paul Ake</au><au>Akilli, Ece</au><au>Akimov, Andrei</au><au>Al Khoury, 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search for dark matter is conducted in final states containing a photon and missing transverse momentum in proton-proton collisions at $ \sqrt{s} $ = 13 TeV. The data, collected during 2015–2018 by the ATLAS experiment at the CERN LHC, correspond to an integrated luminosity of 139 fb$^{−1}$. No deviations from the predictions of the Standard Model are observed and 95% confidence-level upper limits between 2.45 fb and 0.5 fb are set on the visible cross section for contributions from physics beyond the Standard Model, in different ranges of the missing transverse momentum. The results are interpreted as 95% confidence-level limits in models where weakly interacting dark-matter candidates are pair-produced via an s-channel axial-vector or vector mediator. Dark-matter candidates with masses up to 415 (580) GeV are excluded for axial-vector (vector) mediators, while the maximum excluded mass of the mediator is 1460 (1470) GeV. 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Physics
title Search for dark matter in association with an energetic photon in $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector
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