Searching a dark photon with HADES
We present a search for the e + e − decay of a hypothetical dark photon, also named U vector boson, in inclusive dielectron spectra measured by HADES in the p(3.5 GeV) + p, Nb reactions, as well as the Ar ( 1.756 GeV / u ) + KCl reaction. An upper limit on the kinetic mixing parameter squared ϵ 2 at...
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Gespeichert in:
| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2014transfer abstract |
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| Schlagwörter: |
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| Umfang: |
7 |
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| Übergeordnetes Werk: |
Enthalten in: Applying the Go/NoGo processing schema to a visual oddball task in older adults - Steiner, Genevieve Z. ELSEVIER, 2016, Amsterdam |
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| Übergeordnetes Werk: |
volume:731 ; year:2014 ; day:4 ; month:04 ; pages:265-271 ; extent:7 |
| Links: |
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| DOI / URN: |
10.1016/j.physletb.2014.02.035 |
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| 520 | |a We present a search for the e + e − decay of a hypothetical dark photon, also named U vector boson, in inclusive dielectron spectra measured by HADES in the p(3.5 GeV) + p, Nb reactions, as well as the Ar ( 1.756 GeV / u ) + KCl reaction. An upper limit on the kinetic mixing parameter squared ϵ 2 at 90% CL has been obtained for the mass range M U = 0.02 – 0.55 GeV / c 2 and is compared with the present world data set. For masses 0.03 – 0.1 GeV / c 2 , the limit has been lowered with respect to previous results, allowing now to exclude a large part of the parameter region favored by the muon g − 2 anomaly. Furthermore, an improved upper limit on the branching ratio of 2.3 × 10 − 6 has been set on the helicity-suppressed direct decay of the eta meson, η → e + e − , at 90% CL. | ||
| 520 | |a We present a search for the e + e − decay of a hypothetical dark photon, also named U vector boson, in inclusive dielectron spectra measured by HADES in the p(3.5 GeV) + p, Nb reactions, as well as the Ar ( 1.756 GeV / u ) + KCl reaction. An upper limit on the kinetic mixing parameter squared ϵ 2 at 90% CL has been obtained for the mass range M U = 0.02 – 0.55 GeV / c 2 and is compared with the present world data set. For masses 0.03 – 0.1 GeV / c 2 , the limit has been lowered with respect to previous results, allowing now to exclude a large part of the parameter region favored by the muon g − 2 anomaly. Furthermore, an improved upper limit on the branching ratio of 2.3 × 10 − 6 has been set on the helicity-suppressed direct decay of the eta meson, η → e + e − , at 90% CL. | ||
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10.1016/j.physletb.2014.02.035 doi GBVA2014012000011.pica (DE-627)ELV012361186 (ELSEVIER)S0370-2693(14)00133-6 DE-627 ger DE-627 rakwb eng 530 DE-600 610 VZ 77.50 bkl Searching a dark photon with HADES 2014transfer abstract 7 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier We present a search for the e + e − decay of a hypothetical dark photon, also named U vector boson, in inclusive dielectron spectra measured by HADES in the p(3.5 GeV) + p, Nb reactions, as well as the Ar ( 1.756 GeV / u ) + KCl reaction. An upper limit on the kinetic mixing parameter squared ϵ 2 at 90% CL has been obtained for the mass range M U = 0.02 – 0.55 GeV / c 2 and is compared with the present world data set. For masses 0.03 – 0.1 GeV / c 2 , the limit has been lowered with respect to previous results, allowing now to exclude a large part of the parameter region favored by the muon g − 2 anomaly. Furthermore, an improved upper limit on the branching ratio of 2.3 × 10 − 6 has been set on the helicity-suppressed direct decay of the eta meson, η → e + e − , at 90% CL. We present a search for the e + e − decay of a hypothetical dark photon, also named U vector boson, in inclusive dielectron spectra measured by HADES in the p(3.5 GeV) + p, Nb reactions, as well as the Ar ( 1.756 GeV / u ) + KCl reaction. An upper limit on the kinetic mixing parameter squared ϵ 2 at 90% CL has been obtained for the mass range M U = 0.02 – 0.55 GeV / c 2 and is compared with the present world data set. For masses 0.03 – 0.1 GeV / c 2 , the limit has been lowered with respect to previous results, allowing now to exclude a large part of the parameter region favored by the muon g − 2 anomaly. Furthermore, an improved upper limit on the branching ratio of 2.3 × 10 − 6 has been set on the helicity-suppressed direct decay of the eta meson, η → e + e − , at 90% CL. Dark matter Elsevier Dark photon Elsevier Rare eta decays Elsevier Hidden sector Elsevier Enthalten in North-Holland Publ Steiner, Genevieve Z. ELSEVIER Applying the Go/NoGo processing schema to a visual oddball task in older adults 2016 Amsterdam (DE-627)ELV000151122 volume:731 year:2014 day:4 month:04 pages:265-271 extent:7 https://doi.org/10.1016/j.physletb.2014.02.035 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 77.50 Psychophysiologie VZ AR 731 2014 4 0404 265-271 7 |
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10.1016/j.physletb.2014.02.035 doi GBVA2014012000011.pica (DE-627)ELV012361186 (ELSEVIER)S0370-2693(14)00133-6 DE-627 ger DE-627 rakwb eng 530 DE-600 610 VZ 77.50 bkl Searching a dark photon with HADES 2014transfer abstract 7 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier We present a search for the e + e − decay of a hypothetical dark photon, also named U vector boson, in inclusive dielectron spectra measured by HADES in the p(3.5 GeV) + p, Nb reactions, as well as the Ar ( 1.756 GeV / u ) + KCl reaction. An upper limit on the kinetic mixing parameter squared ϵ 2 at 90% CL has been obtained for the mass range M U = 0.02 – 0.55 GeV / c 2 and is compared with the present world data set. For masses 0.03 – 0.1 GeV / c 2 , the limit has been lowered with respect to previous results, allowing now to exclude a large part of the parameter region favored by the muon g − 2 anomaly. Furthermore, an improved upper limit on the branching ratio of 2.3 × 10 − 6 has been set on the helicity-suppressed direct decay of the eta meson, η → e + e − , at 90% CL. We present a search for the e + e − decay of a hypothetical dark photon, also named U vector boson, in inclusive dielectron spectra measured by HADES in the p(3.5 GeV) + p, Nb reactions, as well as the Ar ( 1.756 GeV / u ) + KCl reaction. An upper limit on the kinetic mixing parameter squared ϵ 2 at 90% CL has been obtained for the mass range M U = 0.02 – 0.55 GeV / c 2 and is compared with the present world data set. For masses 0.03 – 0.1 GeV / c 2 , the limit has been lowered with respect to previous results, allowing now to exclude a large part of the parameter region favored by the muon g − 2 anomaly. Furthermore, an improved upper limit on the branching ratio of 2.3 × 10 − 6 has been set on the helicity-suppressed direct decay of the eta meson, η → e + e − , at 90% CL. Dark matter Elsevier Dark photon Elsevier Rare eta decays Elsevier Hidden sector Elsevier Enthalten in North-Holland Publ Steiner, Genevieve Z. ELSEVIER Applying the Go/NoGo processing schema to a visual oddball task in older adults 2016 Amsterdam (DE-627)ELV000151122 volume:731 year:2014 day:4 month:04 pages:265-271 extent:7 https://doi.org/10.1016/j.physletb.2014.02.035 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 77.50 Psychophysiologie VZ AR 731 2014 4 0404 265-271 7 |
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10.1016/j.physletb.2014.02.035 doi GBVA2014012000011.pica (DE-627)ELV012361186 (ELSEVIER)S0370-2693(14)00133-6 DE-627 ger DE-627 rakwb eng 530 DE-600 610 VZ 77.50 bkl Searching a dark photon with HADES 2014transfer abstract 7 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier We present a search for the e + e − decay of a hypothetical dark photon, also named U vector boson, in inclusive dielectron spectra measured by HADES in the p(3.5 GeV) + p, Nb reactions, as well as the Ar ( 1.756 GeV / u ) + KCl reaction. An upper limit on the kinetic mixing parameter squared ϵ 2 at 90% CL has been obtained for the mass range M U = 0.02 – 0.55 GeV / c 2 and is compared with the present world data set. For masses 0.03 – 0.1 GeV / c 2 , the limit has been lowered with respect to previous results, allowing now to exclude a large part of the parameter region favored by the muon g − 2 anomaly. Furthermore, an improved upper limit on the branching ratio of 2.3 × 10 − 6 has been set on the helicity-suppressed direct decay of the eta meson, η → e + e − , at 90% CL. We present a search for the e + e − decay of a hypothetical dark photon, also named U vector boson, in inclusive dielectron spectra measured by HADES in the p(3.5 GeV) + p, Nb reactions, as well as the Ar ( 1.756 GeV / u ) + KCl reaction. An upper limit on the kinetic mixing parameter squared ϵ 2 at 90% CL has been obtained for the mass range M U = 0.02 – 0.55 GeV / c 2 and is compared with the present world data set. For masses 0.03 – 0.1 GeV / c 2 , the limit has been lowered with respect to previous results, allowing now to exclude a large part of the parameter region favored by the muon g − 2 anomaly. Furthermore, an improved upper limit on the branching ratio of 2.3 × 10 − 6 has been set on the helicity-suppressed direct decay of the eta meson, η → e + e − , at 90% CL. Dark matter Elsevier Dark photon Elsevier Rare eta decays Elsevier Hidden sector Elsevier Enthalten in North-Holland Publ Steiner, Genevieve Z. ELSEVIER Applying the Go/NoGo processing schema to a visual oddball task in older adults 2016 Amsterdam (DE-627)ELV000151122 volume:731 year:2014 day:4 month:04 pages:265-271 extent:7 https://doi.org/10.1016/j.physletb.2014.02.035 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 77.50 Psychophysiologie VZ AR 731 2014 4 0404 265-271 7 |
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10.1016/j.physletb.2014.02.035 doi GBVA2014012000011.pica (DE-627)ELV012361186 (ELSEVIER)S0370-2693(14)00133-6 DE-627 ger DE-627 rakwb eng 530 DE-600 610 VZ 77.50 bkl Searching a dark photon with HADES 2014transfer abstract 7 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier We present a search for the e + e − decay of a hypothetical dark photon, also named U vector boson, in inclusive dielectron spectra measured by HADES in the p(3.5 GeV) + p, Nb reactions, as well as the Ar ( 1.756 GeV / u ) + KCl reaction. An upper limit on the kinetic mixing parameter squared ϵ 2 at 90% CL has been obtained for the mass range M U = 0.02 – 0.55 GeV / c 2 and is compared with the present world data set. For masses 0.03 – 0.1 GeV / c 2 , the limit has been lowered with respect to previous results, allowing now to exclude a large part of the parameter region favored by the muon g − 2 anomaly. Furthermore, an improved upper limit on the branching ratio of 2.3 × 10 − 6 has been set on the helicity-suppressed direct decay of the eta meson, η → e + e − , at 90% CL. We present a search for the e + e − decay of a hypothetical dark photon, also named U vector boson, in inclusive dielectron spectra measured by HADES in the p(3.5 GeV) + p, Nb reactions, as well as the Ar ( 1.756 GeV / u ) + KCl reaction. An upper limit on the kinetic mixing parameter squared ϵ 2 at 90% CL has been obtained for the mass range M U = 0.02 – 0.55 GeV / c 2 and is compared with the present world data set. For masses 0.03 – 0.1 GeV / c 2 , the limit has been lowered with respect to previous results, allowing now to exclude a large part of the parameter region favored by the muon g − 2 anomaly. Furthermore, an improved upper limit on the branching ratio of 2.3 × 10 − 6 has been set on the helicity-suppressed direct decay of the eta meson, η → e + e − , at 90% CL. Dark matter Elsevier Dark photon Elsevier Rare eta decays Elsevier Hidden sector Elsevier Enthalten in North-Holland Publ Steiner, Genevieve Z. ELSEVIER Applying the Go/NoGo processing schema to a visual oddball task in older adults 2016 Amsterdam (DE-627)ELV000151122 volume:731 year:2014 day:4 month:04 pages:265-271 extent:7 https://doi.org/10.1016/j.physletb.2014.02.035 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 77.50 Psychophysiologie VZ AR 731 2014 4 0404 265-271 7 |
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10.1016/j.physletb.2014.02.035 doi GBVA2014012000011.pica (DE-627)ELV012361186 (ELSEVIER)S0370-2693(14)00133-6 DE-627 ger DE-627 rakwb eng 530 DE-600 610 VZ 77.50 bkl Searching a dark photon with HADES 2014transfer abstract 7 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier We present a search for the e + e − decay of a hypothetical dark photon, also named U vector boson, in inclusive dielectron spectra measured by HADES in the p(3.5 GeV) + p, Nb reactions, as well as the Ar ( 1.756 GeV / u ) + KCl reaction. An upper limit on the kinetic mixing parameter squared ϵ 2 at 90% CL has been obtained for the mass range M U = 0.02 – 0.55 GeV / c 2 and is compared with the present world data set. For masses 0.03 – 0.1 GeV / c 2 , the limit has been lowered with respect to previous results, allowing now to exclude a large part of the parameter region favored by the muon g − 2 anomaly. Furthermore, an improved upper limit on the branching ratio of 2.3 × 10 − 6 has been set on the helicity-suppressed direct decay of the eta meson, η → e + e − , at 90% CL. We present a search for the e + e − decay of a hypothetical dark photon, also named U vector boson, in inclusive dielectron spectra measured by HADES in the p(3.5 GeV) + p, Nb reactions, as well as the Ar ( 1.756 GeV / u ) + KCl reaction. An upper limit on the kinetic mixing parameter squared ϵ 2 at 90% CL has been obtained for the mass range M U = 0.02 – 0.55 GeV / c 2 and is compared with the present world data set. For masses 0.03 – 0.1 GeV / c 2 , the limit has been lowered with respect to previous results, allowing now to exclude a large part of the parameter region favored by the muon g − 2 anomaly. Furthermore, an improved upper limit on the branching ratio of 2.3 × 10 − 6 has been set on the helicity-suppressed direct decay of the eta meson, η → e + e − , at 90% CL. Dark matter Elsevier Dark photon Elsevier Rare eta decays Elsevier Hidden sector Elsevier Enthalten in North-Holland Publ Steiner, Genevieve Z. ELSEVIER Applying the Go/NoGo processing schema to a visual oddball task in older adults 2016 Amsterdam (DE-627)ELV000151122 volume:731 year:2014 day:4 month:04 pages:265-271 extent:7 https://doi.org/10.1016/j.physletb.2014.02.035 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 77.50 Psychophysiologie VZ AR 731 2014 4 0404 265-271 7 |
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Enthalten in Applying the Go/NoGo processing schema to a visual oddball task in older adults Amsterdam volume:731 year:2014 day:4 month:04 pages:265-271 extent:7 |
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Applying the Go/NoGo processing schema to a visual oddball task in older adults |
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Applying the Go/NoGo processing schema to a visual oddball task in older adults |
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searching a dark photon with hades |
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Searching a dark photon with HADES |
| abstract |
We present a search for the e + e − decay of a hypothetical dark photon, also named U vector boson, in inclusive dielectron spectra measured by HADES in the p(3.5 GeV) + p, Nb reactions, as well as the Ar ( 1.756 GeV / u ) + KCl reaction. An upper limit on the kinetic mixing parameter squared ϵ 2 at 90% CL has been obtained for the mass range M U = 0.02 – 0.55 GeV / c 2 and is compared with the present world data set. For masses 0.03 – 0.1 GeV / c 2 , the limit has been lowered with respect to previous results, allowing now to exclude a large part of the parameter region favored by the muon g − 2 anomaly. Furthermore, an improved upper limit on the branching ratio of 2.3 × 10 − 6 has been set on the helicity-suppressed direct decay of the eta meson, η → e + e − , at 90% CL. |
| abstractGer |
We present a search for the e + e − decay of a hypothetical dark photon, also named U vector boson, in inclusive dielectron spectra measured by HADES in the p(3.5 GeV) + p, Nb reactions, as well as the Ar ( 1.756 GeV / u ) + KCl reaction. An upper limit on the kinetic mixing parameter squared ϵ 2 at 90% CL has been obtained for the mass range M U = 0.02 – 0.55 GeV / c 2 and is compared with the present world data set. For masses 0.03 – 0.1 GeV / c 2 , the limit has been lowered with respect to previous results, allowing now to exclude a large part of the parameter region favored by the muon g − 2 anomaly. Furthermore, an improved upper limit on the branching ratio of 2.3 × 10 − 6 has been set on the helicity-suppressed direct decay of the eta meson, η → e + e − , at 90% CL. |
| abstract_unstemmed |
We present a search for the e + e − decay of a hypothetical dark photon, also named U vector boson, in inclusive dielectron spectra measured by HADES in the p(3.5 GeV) + p, Nb reactions, as well as the Ar ( 1.756 GeV / u ) + KCl reaction. An upper limit on the kinetic mixing parameter squared ϵ 2 at 90% CL has been obtained for the mass range M U = 0.02 – 0.55 GeV / c 2 and is compared with the present world data set. For masses 0.03 – 0.1 GeV / c 2 , the limit has been lowered with respect to previous results, allowing now to exclude a large part of the parameter region favored by the muon g − 2 anomaly. Furthermore, an improved upper limit on the branching ratio of 2.3 × 10 − 6 has been set on the helicity-suppressed direct decay of the eta meson, η → e + e − , at 90% CL. |
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GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA |
| title_short |
Searching a dark photon with HADES |
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https://doi.org/10.1016/j.physletb.2014.02.035 |
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