Recent Developments from ASACUSA on Antihydrogen Detection

The ASACUSA Collaboration at CERNs Antiproton Decelerator aims to measure the ground state hyperfine splitting of antihydrogen with high precision to test the fundamental symmetry of CPT (combination of charge conjugation, parity transformation, and time reversal). For this purpose an antihydrogen d...
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Autor*in:	Kolbinger B. [verfasserIn] Amsler C. [verfasserIn] Breuker H. [verfasserIn] Diermaier M. [verfasserIn] Dupré P. [verfasserIn] Fleck M. [verfasserIn] Gligorova A. [verfasserIn] Higaki H. [verfasserIn] Kanai Y. [verfasserIn] Kobayashi T. [verfasserIn] Leali M. [verfasserIn] Mäckel V. [verfasserIn] Malbrunot C. [verfasserIn] Mascagna V. [verfasserIn] Massiczek O. [verfasserIn] Matsuda Y. [verfasserIn] Murtagh D.j. [verfasserIn] Nagata Y. [verfasserIn] Sauerzopf C. [verfasserIn] Simon M.C. [verfasserIn] Tajima M. [verfasserIn] Ulmer S. [verfasserIn] Kuroda N. [verfasserIn] Venturelli L. [verfasserIn] Widmann E. [verfasserIn] Yamazaki Y. [verfasserIn] Zmeskal J. [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2018

Übergeordnetes Werk:	In: EPJ Web of Conferences - EDP Sciences, 2010, 181, p 01003(2018)
Übergeordnetes Werk:	volume:181, p 01003 ; year:2018

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.1051/epjconf/201818101003

Katalog-ID:	DOAJ062953524

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allfields	10.1051/epjconf/201818101003 doi (DE-627)DOAJ062953524 (DE-599)DOAJe0edaffb643b421b961a46759efc906c DE-627 ger DE-627 rakwb eng QC1-999 Kolbinger B. verfasserin aut Recent Developments from ASACUSA on Antihydrogen Detection 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The ASACUSA Collaboration at CERNs Antiproton Decelerator aims to measure the ground state hyperfine splitting of antihydrogen with high precision to test the fundamental symmetry of CPT (combination of charge conjugation, parity transformation, and time reversal). For this purpose an antihydrogen detector has been developed. Its task is to count the arriving antihydrogen atoms and therefore distinguish backgroundevents (mainly cosmics) from antiproton annihilations originating from antihydrogen atoms which are produced only in small amounts. A central BGO crystal disk with position sensitive read-out detects the annihilation and a surrounding two-layered hodoscope is used for tracking charged secondaries. The hodoscope has been recently upgraded to allow precise vertex reconstruction. A machine learning analysis based on measured antiproton annihilations and cosmic rays has been developed to identify antihydrogen events. Physics Amsler C. verfasserin aut Breuker H. verfasserin aut Diermaier M. verfasserin aut Dupré P. verfasserin aut Fleck M. verfasserin aut Gligorova A. verfasserin aut Higaki H. verfasserin aut Kanai Y. verfasserin aut Kobayashi T. verfasserin aut Leali M. verfasserin aut Mäckel V. verfasserin aut Malbrunot C. verfasserin aut Mascagna V. verfasserin aut Massiczek O. verfasserin aut Matsuda Y. verfasserin aut Murtagh D.j. verfasserin aut Nagata Y. verfasserin aut Sauerzopf C. verfasserin aut Simon M.C. verfasserin aut Tajima M. verfasserin aut Ulmer S. verfasserin aut Kuroda N. verfasserin aut Venturelli L. verfasserin aut Widmann E. verfasserin aut Yamazaki Y. verfasserin aut Zmeskal J. verfasserin aut In EPJ Web of Conferences EDP Sciences, 2010 181, p 01003(2018) (DE-627)647306611 (DE-600)2595425-8 2100014X nnns volume:181, p 01003 year:2018 https://doi.org/10.1051/epjconf/201818101003 kostenfrei https://doaj.org/article/e0edaffb643b421b961a46759efc906c kostenfrei https://doi.org/10.1051/epjconf/201818101003 kostenfrei https://doaj.org/toc/2100-014X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 181, p 01003 2018
spelling	10.1051/epjconf/201818101003 doi (DE-627)DOAJ062953524 (DE-599)DOAJe0edaffb643b421b961a46759efc906c DE-627 ger DE-627 rakwb eng QC1-999 Kolbinger B. verfasserin aut Recent Developments from ASACUSA on Antihydrogen Detection 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The ASACUSA Collaboration at CERNs Antiproton Decelerator aims to measure the ground state hyperfine splitting of antihydrogen with high precision to test the fundamental symmetry of CPT (combination of charge conjugation, parity transformation, and time reversal). For this purpose an antihydrogen detector has been developed. Its task is to count the arriving antihydrogen atoms and therefore distinguish backgroundevents (mainly cosmics) from antiproton annihilations originating from antihydrogen atoms which are produced only in small amounts. A central BGO crystal disk with position sensitive read-out detects the annihilation and a surrounding two-layered hodoscope is used for tracking charged secondaries. The hodoscope has been recently upgraded to allow precise vertex reconstruction. A machine learning analysis based on measured antiproton annihilations and cosmic rays has been developed to identify antihydrogen events. Physics Amsler C. verfasserin aut Breuker H. verfasserin aut Diermaier M. verfasserin aut Dupré P. verfasserin aut Fleck M. verfasserin aut Gligorova A. verfasserin aut Higaki H. verfasserin aut Kanai Y. verfasserin aut Kobayashi T. verfasserin aut Leali M. verfasserin aut Mäckel V. verfasserin aut Malbrunot C. verfasserin aut Mascagna V. verfasserin aut Massiczek O. verfasserin aut Matsuda Y. verfasserin aut Murtagh D.j. verfasserin aut Nagata Y. verfasserin aut Sauerzopf C. verfasserin aut Simon M.C. verfasserin aut Tajima M. verfasserin aut Ulmer S. verfasserin aut Kuroda N. verfasserin aut Venturelli L. verfasserin aut Widmann E. verfasserin aut Yamazaki Y. verfasserin aut Zmeskal J. verfasserin aut In EPJ Web of Conferences EDP Sciences, 2010 181, p 01003(2018) (DE-627)647306611 (DE-600)2595425-8 2100014X nnns volume:181, p 01003 year:2018 https://doi.org/10.1051/epjconf/201818101003 kostenfrei https://doaj.org/article/e0edaffb643b421b961a46759efc906c kostenfrei https://doi.org/10.1051/epjconf/201818101003 kostenfrei https://doaj.org/toc/2100-014X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 181, p 01003 2018
allfields_unstemmed	10.1051/epjconf/201818101003 doi (DE-627)DOAJ062953524 (DE-599)DOAJe0edaffb643b421b961a46759efc906c DE-627 ger DE-627 rakwb eng QC1-999 Kolbinger B. verfasserin aut Recent Developments from ASACUSA on Antihydrogen Detection 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The ASACUSA Collaboration at CERNs Antiproton Decelerator aims to measure the ground state hyperfine splitting of antihydrogen with high precision to test the fundamental symmetry of CPT (combination of charge conjugation, parity transformation, and time reversal). For this purpose an antihydrogen detector has been developed. Its task is to count the arriving antihydrogen atoms and therefore distinguish backgroundevents (mainly cosmics) from antiproton annihilations originating from antihydrogen atoms which are produced only in small amounts. A central BGO crystal disk with position sensitive read-out detects the annihilation and a surrounding two-layered hodoscope is used for tracking charged secondaries. The hodoscope has been recently upgraded to allow precise vertex reconstruction. A machine learning analysis based on measured antiproton annihilations and cosmic rays has been developed to identify antihydrogen events. Physics Amsler C. verfasserin aut Breuker H. verfasserin aut Diermaier M. verfasserin aut Dupré P. verfasserin aut Fleck M. verfasserin aut Gligorova A. verfasserin aut Higaki H. verfasserin aut Kanai Y. verfasserin aut Kobayashi T. verfasserin aut Leali M. verfasserin aut Mäckel V. verfasserin aut Malbrunot C. verfasserin aut Mascagna V. verfasserin aut Massiczek O. verfasserin aut Matsuda Y. verfasserin aut Murtagh D.j. verfasserin aut Nagata Y. verfasserin aut Sauerzopf C. verfasserin aut Simon M.C. verfasserin aut Tajima M. verfasserin aut Ulmer S. verfasserin aut Kuroda N. verfasserin aut Venturelli L. verfasserin aut Widmann E. verfasserin aut Yamazaki Y. verfasserin aut Zmeskal J. verfasserin aut In EPJ Web of Conferences EDP Sciences, 2010 181, p 01003(2018) (DE-627)647306611 (DE-600)2595425-8 2100014X nnns volume:181, p 01003 year:2018 https://doi.org/10.1051/epjconf/201818101003 kostenfrei https://doaj.org/article/e0edaffb643b421b961a46759efc906c kostenfrei https://doi.org/10.1051/epjconf/201818101003 kostenfrei https://doaj.org/toc/2100-014X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 181, p 01003 2018
allfieldsGer	10.1051/epjconf/201818101003 doi (DE-627)DOAJ062953524 (DE-599)DOAJe0edaffb643b421b961a46759efc906c DE-627 ger DE-627 rakwb eng QC1-999 Kolbinger B. verfasserin aut Recent Developments from ASACUSA on Antihydrogen Detection 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The ASACUSA Collaboration at CERNs Antiproton Decelerator aims to measure the ground state hyperfine splitting of antihydrogen with high precision to test the fundamental symmetry of CPT (combination of charge conjugation, parity transformation, and time reversal). For this purpose an antihydrogen detector has been developed. Its task is to count the arriving antihydrogen atoms and therefore distinguish backgroundevents (mainly cosmics) from antiproton annihilations originating from antihydrogen atoms which are produced only in small amounts. A central BGO crystal disk with position sensitive read-out detects the annihilation and a surrounding two-layered hodoscope is used for tracking charged secondaries. The hodoscope has been recently upgraded to allow precise vertex reconstruction. A machine learning analysis based on measured antiproton annihilations and cosmic rays has been developed to identify antihydrogen events. Physics Amsler C. verfasserin aut Breuker H. verfasserin aut Diermaier M. verfasserin aut Dupré P. verfasserin aut Fleck M. verfasserin aut Gligorova A. verfasserin aut Higaki H. verfasserin aut Kanai Y. verfasserin aut Kobayashi T. verfasserin aut Leali M. verfasserin aut Mäckel V. verfasserin aut Malbrunot C. verfasserin aut Mascagna V. verfasserin aut Massiczek O. verfasserin aut Matsuda Y. verfasserin aut Murtagh D.j. verfasserin aut Nagata Y. verfasserin aut Sauerzopf C. verfasserin aut Simon M.C. verfasserin aut Tajima M. verfasserin aut Ulmer S. verfasserin aut Kuroda N. verfasserin aut Venturelli L. verfasserin aut Widmann E. verfasserin aut Yamazaki Y. verfasserin aut Zmeskal J. verfasserin aut In EPJ Web of Conferences EDP Sciences, 2010 181, p 01003(2018) (DE-627)647306611 (DE-600)2595425-8 2100014X nnns volume:181, p 01003 year:2018 https://doi.org/10.1051/epjconf/201818101003 kostenfrei https://doaj.org/article/e0edaffb643b421b961a46759efc906c kostenfrei https://doi.org/10.1051/epjconf/201818101003 kostenfrei https://doaj.org/toc/2100-014X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 181, p 01003 2018
allfieldsSound	10.1051/epjconf/201818101003 doi (DE-627)DOAJ062953524 (DE-599)DOAJe0edaffb643b421b961a46759efc906c DE-627 ger DE-627 rakwb eng QC1-999 Kolbinger B. verfasserin aut Recent Developments from ASACUSA on Antihydrogen Detection 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The ASACUSA Collaboration at CERNs Antiproton Decelerator aims to measure the ground state hyperfine splitting of antihydrogen with high precision to test the fundamental symmetry of CPT (combination of charge conjugation, parity transformation, and time reversal). For this purpose an antihydrogen detector has been developed. Its task is to count the arriving antihydrogen atoms and therefore distinguish backgroundevents (mainly cosmics) from antiproton annihilations originating from antihydrogen atoms which are produced only in small amounts. A central BGO crystal disk with position sensitive read-out detects the annihilation and a surrounding two-layered hodoscope is used for tracking charged secondaries. The hodoscope has been recently upgraded to allow precise vertex reconstruction. A machine learning analysis based on measured antiproton annihilations and cosmic rays has been developed to identify antihydrogen events. Physics Amsler C. verfasserin aut Breuker H. verfasserin aut Diermaier M. verfasserin aut Dupré P. verfasserin aut Fleck M. verfasserin aut Gligorova A. verfasserin aut Higaki H. verfasserin aut Kanai Y. verfasserin aut Kobayashi T. verfasserin aut Leali M. verfasserin aut Mäckel V. verfasserin aut Malbrunot C. verfasserin aut Mascagna V. verfasserin aut Massiczek O. verfasserin aut Matsuda Y. verfasserin aut Murtagh D.j. verfasserin aut Nagata Y. verfasserin aut Sauerzopf C. verfasserin aut Simon M.C. verfasserin aut Tajima M. verfasserin aut Ulmer S. verfasserin aut Kuroda N. verfasserin aut Venturelli L. verfasserin aut Widmann E. verfasserin aut Yamazaki Y. verfasserin aut Zmeskal J. verfasserin aut In EPJ Web of Conferences EDP Sciences, 2010 181, p 01003(2018) (DE-627)647306611 (DE-600)2595425-8 2100014X nnns volume:181, p 01003 year:2018 https://doi.org/10.1051/epjconf/201818101003 kostenfrei https://doaj.org/article/e0edaffb643b421b961a46759efc906c kostenfrei https://doi.org/10.1051/epjconf/201818101003 kostenfrei https://doaj.org/toc/2100-014X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 181, p 01003 2018
language	English
source	In EPJ Web of Conferences 181, p 01003(2018) volume:181, p 01003 year:2018
sourceStr	In EPJ Web of Conferences 181, p 01003(2018) volume:181, p 01003 year:2018
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Physics
isfreeaccess_bool	true
container_title	EPJ Web of Conferences
authorswithroles_txt_mv	Kolbinger B. @@aut@@ Amsler C. @@aut@@ Breuker H. @@aut@@ Diermaier M. @@aut@@ Dupré P. @@aut@@ Fleck M. @@aut@@ Gligorova A. @@aut@@ Higaki H. @@aut@@ Kanai Y. @@aut@@ Kobayashi T. @@aut@@ Leali M. @@aut@@ Mäckel V. @@aut@@ Malbrunot C. @@aut@@ Mascagna V. @@aut@@ Massiczek O. @@aut@@ Matsuda Y. @@aut@@ Murtagh D.j. @@aut@@ Nagata Y. @@aut@@ Sauerzopf C. @@aut@@ Simon M.C. @@aut@@ Tajima M. @@aut@@ Ulmer S. @@aut@@ Kuroda N. @@aut@@ Venturelli L. @@aut@@ Widmann E. @@aut@@ Yamazaki Y. @@aut@@ Zmeskal J. @@aut@@
publishDateDaySort_date	2018-01-01T00:00:00Z
hierarchy_top_id	647306611
id	DOAJ062953524
language_de	englisch
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title	Recent Developments from ASACUSA on Antihydrogen Detection
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title_full	Recent Developments from ASACUSA on Antihydrogen Detection
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author_browse	Kolbinger B. Amsler C. Breuker H. Diermaier M. Dupré P. Fleck M. Gligorova A. Higaki H. Kanai Y. Kobayashi T. Leali M. Mäckel V. Malbrunot C. Mascagna V. Massiczek O. Matsuda Y. Murtagh D.j. Nagata Y. Sauerzopf C. Simon M.C. Tajima M. Ulmer S. Kuroda N. Venturelli L. Widmann E. Yamazaki Y. Zmeskal J.
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title_sort	recent developments from asacusa on antihydrogen detection
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title_auth	Recent Developments from ASACUSA on Antihydrogen Detection
abstract	The ASACUSA Collaboration at CERNs Antiproton Decelerator aims to measure the ground state hyperfine splitting of antihydrogen with high precision to test the fundamental symmetry of CPT (combination of charge conjugation, parity transformation, and time reversal). For this purpose an antihydrogen detector has been developed. Its task is to count the arriving antihydrogen atoms and therefore distinguish backgroundevents (mainly cosmics) from antiproton annihilations originating from antihydrogen atoms which are produced only in small amounts. A central BGO crystal disk with position sensitive read-out detects the annihilation and a surrounding two-layered hodoscope is used for tracking charged secondaries. The hodoscope has been recently upgraded to allow precise vertex reconstruction. A machine learning analysis based on measured antiproton annihilations and cosmic rays has been developed to identify antihydrogen events.
abstractGer	The ASACUSA Collaboration at CERNs Antiproton Decelerator aims to measure the ground state hyperfine splitting of antihydrogen with high precision to test the fundamental symmetry of CPT (combination of charge conjugation, parity transformation, and time reversal). For this purpose an antihydrogen detector has been developed. Its task is to count the arriving antihydrogen atoms and therefore distinguish backgroundevents (mainly cosmics) from antiproton annihilations originating from antihydrogen atoms which are produced only in small amounts. A central BGO crystal disk with position sensitive read-out detects the annihilation and a surrounding two-layered hodoscope is used for tracking charged secondaries. The hodoscope has been recently upgraded to allow precise vertex reconstruction. A machine learning analysis based on measured antiproton annihilations and cosmic rays has been developed to identify antihydrogen events.
abstract_unstemmed	The ASACUSA Collaboration at CERNs Antiproton Decelerator aims to measure the ground state hyperfine splitting of antihydrogen with high precision to test the fundamental symmetry of CPT (combination of charge conjugation, parity transformation, and time reversal). For this purpose an antihydrogen detector has been developed. Its task is to count the arriving antihydrogen atoms and therefore distinguish backgroundevents (mainly cosmics) from antiproton annihilations originating from antihydrogen atoms which are produced only in small amounts. A central BGO crystal disk with position sensitive read-out detects the annihilation and a surrounding two-layered hodoscope is used for tracking charged secondaries. The hodoscope has been recently upgraded to allow precise vertex reconstruction. A machine learning analysis based on measured antiproton annihilations and cosmic rays has been developed to identify antihydrogen events.
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title_short	Recent Developments from ASACUSA on Antihydrogen Detection
url	https://doi.org/10.1051/epjconf/201818101003 https://doaj.org/article/e0edaffb643b421b961a46759efc906c https://doaj.org/toc/2100-014X
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author2	Amsler C. Breuker H. Diermaier M. Dupré P. Fleck M. Gligorova A. Higaki H. Kanai Y. Kobayashi T. Leali M. Mäckel V. Malbrunot C. Mascagna V. Massiczek O. Matsuda Y. Murtagh D.j. Nagata Y. Sauerzopf C. Simon M.C. Tajima M. Ulmer S. Kuroda N. Venturelli L. Widmann E. Yamazaki Y. Zmeskal J.
author2Str	Amsler C. Breuker H. Diermaier M. Dupré P. Fleck M. Gligorova A. Higaki H. Kanai Y. Kobayashi T. Leali M. Mäckel V. Malbrunot C. Mascagna V. Massiczek O. Matsuda Y. Murtagh D.j. Nagata Y. Sauerzopf C. Simon M.C. Tajima M. Ulmer S. Kuroda N. Venturelli L. Widmann E. Yamazaki Y. Zmeskal J.
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