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Doping of liquid argon TPCs (LArTPCs) with a small concentration of xenon is a technique for light-shifting and facilitates the detection of the liquid argon scintillation light. In this paper, we present the results of the first doping test ever performed in a kiloton-scale LArTPC. From February to May 2020, we carried out this special run in the single-phase DUNE Far Detector prototype (ProtoDUNE-SP) at CERN, featuring 720 t of total liquid argon mass with 410 t of fiducial mass. A 5.4 ppm nitrogen contamination was present during the xenon doping campaign. The goal of the run was to measure the light and charge response of the detector to the addition of xenon, up to a concentration of 18.8 ppm. The main purpose was to test the possibility for reduction of nonuniformities in light collection, caused by deployment of photon detectors only within the anode planes. Light collection was analysed as a function of the xenon concentration, by using the pre-existing photon detection system (PDS) of ProtoDUNE-SP and an additional smaller set-up installed specifically for this run. In this paper we first summarize our current understanding of the argon-xenon energy transfer process and the impact of the presence of nitrogen in argon with and without xenon dopant. We then describe the key elements of ProtoDUNE-SP and the injection method deployed. Two dedicated photon detectors were able to collect the light produced by xenon and the total light. The ratio of these components was measured to be about 0.65 as 18.8 ppm of xenon were injected. We performed studies of the collection efficiency as a function of the distance between tracks and light detectors, demonstrating enhanced uniformity of response for the anode-mounted PDS. We also show that xenon doping can substantially recover light losses due to contamination of the liquid argon by nitrogen.
Abed Abud, A., Abi, B., Acciarri, R., Acero, M., Adames, M., Adamov, G., et al. (2024). Doping liquid argon with xenon in ProtoDUNE Single-Phase: effects on scintillation light. JOURNAL OF INSTRUMENTATION, 19(08) [10.1088/1748-0221/19/08/p08005].
Doping liquid argon with xenon in ProtoDUNE Single-Phase: effects on scintillation light
Abed Abud, A.;Abi, B.;Acciarri, R.;Acero, M. A.;Adames, M. R.;Adamov, G.;Adamowski, M.;Adams, D.;Adinolfi, M.;Adriano, C.;Aduszkiewicz, A.;Aguilar, J.;Aimard, B.;Akbar, F.;Allison, K.;Alonso Monsalve, S.;Alrashed, M.;Alton, A.;Alvarez, R.;Amar Es-sghir, H.;Amedo, P.;Anderson, J.;Andrade, D. A.;Andreopoulos, C.;Andreotti, M.;Andrews, M. P.;Andrianala, F.;Andringa, S.;Anfimov, N.;Ankowski, A.;Antoniassi, M.;Antonova, M.;Antoshkin, A.;Aranda-Fernandez, A.;Arellano, L.;Arrieta Diaz, E.;Arroyave, M. A.;Asaadi, J.;Ashkenazi, A.;Asquith, L.;Atkin, E.;Auguste, D.;Aurisano, A.;Aushev, V.;Autiero, D.;Azfar, F.;Back, A.;Back, H.;Back, J. J.;Bagaturia, I.;Bagby, L.;Balashov, N.;Balasubramanian, S.;Baldi, P.;Baldini, W.;Baller, B.;Bambah, B.;Banerjee, R.;Barao, F.;Barenboim, G.;Barham Alzás, P.;Barker, G. J.;Barkhouse, W.;Barr, G.;Barranco Monarca, J.;Barros, A.;Barros, N.;Barrow, D.;Barrow, J. L.;Basharina-Freshville, A.;Bashyal, A.;Basque, V.;Batchelor, C.;Bathe-Peters, L.;Battat, J. B. 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C.;Sánchez Bravo, A.;Sanchez-Lucas, P.;Sandberg, V.;Sanders, D. A.;Sankey, D.;Santoro, D.;Saoulidou, N.;Sapienza, P.;Sarasty, C.;Sarcevic, I.;Sarra, I.;Savage, G.;Savinov, V.;Scanavini, G.;Scaramelli, A.;Scarff, A.;Schefke, T.;Schellman, H.;Schifano, S.;Schlabach, P.;Schmitz, D.;Schneider, A. W.;Scholberg, K.;Schukraft, A.;Schuld, B.;Segreto, E.;Selyunin, A.;Senise, C. R.;Sensenig, J.;Shaevitz, M. H.;Shanahan, P.;Sharma, P.;Kumar, R.;Shaw, K.;Shaw, T.;Shchablo, K.;Shepherd-Themistocleous, C.;Sheshukov, A.;Shi, W.;Shin, S.;Shivakoti, S.;Shoemaker, I.;Shooltz, D.;Shrock, R.;Siddi, B.;Silber, J.;Simard, L.;Sinclair, J.;Sinev, G.;Singh, Jaydip;Singh, J.;Singh, L.;Singh, P.;Singh, V.;Singh Chauhan, S.;Sipos, R.;Sironneau, C.;Sirri, G.;Siyeon, K.;Skarpaas, K.;Smedley, J.;Smith, E.;Smith, J.;Smith, P.;Smolik, J.;Smy, M.;Snape, M.;Snider, E. L.;Snopok, P.;Snowden-Ifft, D.;Soares Nunes, M.;Sobel, H.;Soderberg, M.;Sokolov, S.;Solano Salinas, C. J.;Söldner-Rembold, S.;Soleti, S. R.;Solomey, N.;Solovov, V.;Sondheim, W. E.;Sorel, M.;Sotnikov, A.;Soto-Oton, J.;Sousa, A.;Soustruznik, K.;Spinella, F.;Spitz, J.;Spooner, N. J. C.;Spurgeon, K.;Stalder, D.;Stancari, M.;Stanco, L.;Steenis, J.;Stein, R.;Steiner, H. M.;Steklain Lisbôa, A. F.;Stepanova, A.;Stewart, J.;Stillwell, B.;Stock, J.;Stocker, F.;Stokes, T.;Strait, M.;Strauss, T.;Strigari, L.;Stuart, A.;Suarez, J. G.;Subash, J.;Surdo, A.;Suter, L.;Sutera, C. M.;Sutton, K.;Suvorov, Y.;Svoboda, R.;Swain, S. K.;Szczerbinska, B.;Szelc, A. M.;Sztuc, A.;Taffara, A.;Talukdar, N.;Tamara, J.;Tanaka, H. A.;Tang, S.;Taniuchi, N.;Tapia Casanova, A. M.;Tapia Oregui, B.;Tapper, A.;Tariq, S.;Tarpara, E.;Tatar, E.;Tayloe, R.;Tedeschi, D.;Teklu, A. M.;Tena Vidal, J.;Tennessen, P.;Tenti, M.;Terao, K.;Terranova, F.;Testera, G.;Thakore, T.;Thea, A.;Thiebault, A.;Thompson, A.;Thorn, C.;Timm, S. C.;Tiras, E.;Tishchenko, V.;Todorović, N.;Tomassetti, L.;Tonazzo, A.;Torbunov, D.;Torti, M.;Tortola, M.;Tortorici, F.;Tosi, N.;Totani, D.;Toups, M.;Touramanis, C.;Tran, D.;Travaglini, R.;Trevor, J.;Triller, E.;Trilov, S.;Truncali, D.;Trzaska, W. H.;Tsai, Y.;Tsai, Y. -T.;Tsamalaidze, Z.;Tsang, K. V.;Tsverava, N.;Tu, S. Z.;Tufanli, S.;Turner, J.;Tuzi, M.;Tyler, J.;Tyley, E.;Tzanov, M.;Uchida, M. A.;Ureña González, J.;Urheim, J.;Usher, T.;Utaegbulam, H.;Uzunyan, S.;Vagins, M. R.;Vahle, P.;Valder, S.;Valdiviesso, G. A.;Valencia, E.;Valentim, R.;Vallari, Z.;Vallazza, E.;Valle, J. W. F.;Van Berg, R.;Van de Water, R. G.;Forero, D. V.;Van Nuland-Troost, M.;Varanini, F.;Vargas Oliva, D.;Varner, G.;Vasina, S.;Vaughan, N.;Vaziri, K.;Vega, J.;Ventura, S.;Verdugo, A.;Vergani, S.;Verzocchi, M.;Vetter, K.;Vicenzi, M.;Vieira de Souza, H.;Vignoli, C.;Villa, E.;Viren, B.;Vizcaya-Hernandez, A.;Vrba, T.;Vuong, Q.;Waldron, A. V.;Wallbank, M.;Walsh, J.;Walton, T.;Wang, H.;Wang, J.;Wang, L.;Wang, M. H. L. S.;Wang, X.;Wang, Y.;Warburton, K.;Warner, D.;Warsame, L.;Wascko, M. O.;Waters, D.;Watson, A.;Wawrowska, K.;Weber, A.;Weber, M.;Wei, H.;Weinstein, A.;Wenzel, H.;Westerdale, S.;Wetstein, M.;Whalen, K.;Whilhelmi, J.;White, A.;White, A.;Whitehead, L. H.;Whittington, D.;Wilking, M. J.;Wilkinson, A.;Wilkinson, C.;Wilson, F.;Wilson, R. J.;Winter, P.;Wisniewski, W.;Wolcott, J.;Wolfs, J.;Wongjirad, T.;Wood, A.;Wood, K.;Worcester, E.;Worcester, M.;Wospakrik, M.;Wresilo, K.;Wret, C.;Wu, S.;Wu, W.;Wu, W.;Wurm, M.;Wyenberg, J.;Xiao, Y.;Xiotidis, I.;Yaeggy, B.;Yahlali, N.;Yandel, E.;Yang, K.;Yang, T.;Yankelevich, A.;Yershov, N.;Yonehara, K.;Young, T.;Yu, B.;Yu, H.;Yu, J.;Yu, Y.;Yuan, W.;Zaki, R.;Zalesak, J.;Zambelli, L.;Zamorano, B.;Zani, A.;Zapata, O.;Zazueta, L.;Zeller, G. P.;Zennamo, J.;Zeug, K.;Zhang, C.;Zhang, S.;Zhao, M.;Zhivun, E.;Zimmerman, E. D.;Zucchelli, S.;Zuklin, J.;Zutshi, V.;Zwaska, R.;null, null
2024
Abstract
Doping of liquid argon TPCs (LArTPCs) with a small concentration of xenon is a technique for light-shifting and facilitates the detection of the liquid argon scintillation light. In this paper, we present the results of the first doping test ever performed in a kiloton-scale LArTPC. From February to May 2020, we carried out this special run in the single-phase DUNE Far Detector prototype (ProtoDUNE-SP) at CERN, featuring 720 t of total liquid argon mass with 410 t of fiducial mass. A 5.4 ppm nitrogen contamination was present during the xenon doping campaign. The goal of the run was to measure the light and charge response of the detector to the addition of xenon, up to a concentration of 18.8 ppm. The main purpose was to test the possibility for reduction of nonuniformities in light collection, caused by deployment of photon detectors only within the anode planes. Light collection was analysed as a function of the xenon concentration, by using the pre-existing photon detection system (PDS) of ProtoDUNE-SP and an additional smaller set-up installed specifically for this run. In this paper we first summarize our current understanding of the argon-xenon energy transfer process and the impact of the presence of nitrogen in argon with and without xenon dopant. We then describe the key elements of ProtoDUNE-SP and the injection method deployed. Two dedicated photon detectors were able to collect the light produced by xenon and the total light. The ratio of these components was measured to be about 0.65 as 18.8 ppm of xenon were injected. We performed studies of the collection efficiency as a function of the distance between tracks and light detectors, demonstrating enhanced uniformity of response for the anode-mounted PDS. We also show that xenon doping can substantially recover light losses due to contamination of the liquid argon by nitrogen.
Abed Abud, A., Abi, B., Acciarri, R., Acero, M., Adames, M., Adamov, G., et al. (2024). Doping liquid argon with xenon in ProtoDUNE Single-Phase: effects on scintillation light. JOURNAL OF INSTRUMENTATION, 19(08) [10.1088/1748-0221/19/08/p08005].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10281/522311
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simulazione ASN
Il report seguente simula gli indicatori relativi alla propria produzione scientifica in relazione alle soglie ASN 2023-2025 del proprio SC/SSD. Si ricorda che il superamento dei valori soglia (almeno 2 su 3) è requisito necessario ma non sufficiente al conseguimento dell'abilitazione. La simulazione si basa sui dati IRIS e sugli indicatori bibliometrici alla data indicata e non tiene conto di eventuali periodi di congedo obbligatorio, che in sede di domanda ASN danno diritto a incrementi percentuali dei valori. La simulazione può differire dall'esito di un’eventuale domanda ASN sia per errori di catalogazione e/o dati mancanti in IRIS, sia per la variabilità dei dati bibliometrici nel tempo. Si consideri che Anvur calcola i valori degli indicatori all'ultima data utile per la presentazione delle domande.
La presente simulazione è stata realizzata sulla base delle specifiche raccolte sul tavolo ER del Focus Group IRIS coordinato dall’Università di Modena e Reggio Emilia e delle regole riportate nel DM 598/2018 e allegata Tabella A. Cineca, l’Università di Modena e Reggio Emilia e il Focus Group IRIS non si assumono alcuna responsabilità in merito all’uso che il diretto interessato o terzi faranno della simulazione. Si specifica inoltre che la simulazione contiene calcoli effettuati con dati e algoritmi di pubblico dominio e deve quindi essere considerata come un mero ausilio al calcolo svolgibile manualmente o con strumenti equivalenti.
