Indirect Detection w/ X-rays & -rays ROSAT: 1990-1999 Fermi: - PowerPoint PPT Presentation

Indirect Detection w/ X-rays & γ -rays ROSAT: 1990-1999 Fermi: 2008-present Nick Rodd GGI, 12 September 2019

Overview • 1. Landscape of X-ray & γ -ray indirection detection LHAASO 18 CTA HAWC H.E.S.S. 16 log 10 [ E / cm 2 × T/ s] 14 ATHENA Fermi 12 AMEGO EGRET XMM-Newton a r e-Astrogram INTEGRAL d 10 R n L a A E h T T C S P u M N O C 8 − 6 − 4 − 2 0 2 4 6 log 10 [ E/ GeV] � 2 Nick Rodd - Indirect Detection with X-rays and γ -rays

Overview • 1. Landscape of X-ray & γ -ray indirection detection • 2. Status of two anomalies: 3.5 keV line & GeV excess LHAASO X-rays H.E. γ -rays 18 CTA HAWC 3.5 keV Line GeV Excess H.E.S.S. 16 log 10 [ E / cm 2 × T/ s] 14 ATHENA Fermi 12 AMEGO EGRET XMM-Newton a r e-Astrogram INTEGRAL d 10 R n L a A E h T T C S P u M N O C 8 − 6 − 4 − 2 0 2 4 6 log 10 [ E/ GeV] Images Courtesy of NASA/CXC/SAO/E.Bulbul et al., Overlay: APS/Alan Stonebraker and NASA Goddard/A. Mellinger � 3 Nick Rodd - Indirect Detection with X-rays and γ -rays (Central Michigan Univ.) and T. Linden (Univ. of Chicago)

Overview • 1. Landscape of X-ray & γ -ray indirection detection • 2. Status of two anomalies: 3.5 keV line & GeV excess one LHAASO X-rays H.E. γ -rays 18 CTA HAWC 3.5 keV Line GeV Excess H.E.S.S. 16 log 10 [ E / cm 2 × T/ s] 14 Discussed last week ATHENA Fermi 12 AMEGO EGRET XMM-Newton a r e-Astrogram INTEGRAL d 10 R n L a A E h T T C S P u M N O C 8 − 6 − 4 − 2 0 2 4 6 log 10 [ E/ GeV] Images Courtesy of NASA/CXC/SAO/E.Bulbul et al., Overlay: APS/Alan Stonebraker and NASA Goddard/A. Mellinger � 4 Nick Rodd - Indirect Detection with X-rays and γ -rays (Central Michigan Univ.) and T. Linden (Univ. of Chicago)

1. Landscape LHAASO 18 CTA HAWC H.E.S.S. 16 log 10 [ E / cm 2 × T/ s] 14 ATHENA Fermi 12 AMEGO EGRET XMM-Newton a r e-Astrogram INTEGRAL d 10 R n COMPTEL a A h T C S u N 8 − 6 − 4 − 2 0 2 4 6 log 10 [ E/ GeV]

How do we detect Dark Matter? � 6 Nick Rodd - Indirect Detection with X-rays and γ -rays

How do we detect Dark Matter? Z E max Z = h σ v i dN γ ρ 2 Φ ( l, b ) ⇥ DM ( r ) ds dE dE 8 π m 2 | {z } E min los χ | {z } γ / cm 2 /s | {z } “ J − Factor” “Particle Physics Factor” What are the dark matter interactions? Where are they occurring? � 7 Nick Rodd - Indirect Detection with X-rays and γ -rays

How do we detect Dark Matter? Z E max Z = h σ v i dN γ ρ 2 Φ ( l, b ) ⇥ DM ( r ) ds dE dE 8 π m 2 | {z } E min los χ | {z } γ / cm 2 /s | {z } “ J − Factor” “Particle Physics Factor” h σ v i = 10 − 26 cm 3 / s m χ = 100 GeV dN γ /dE = 2 δ ( E � m χ ) ( χχ ! γγ ) ) PP ⇡ 10 − 31 cm 3 / s / GeV 2 � 8 Nick Rodd - Indirect Detection with X-rays and γ -rays

How do we detect Dark Matter? Z E max Z = h σ v i dN γ ρ 2 Φ ( l, b ) ⇥ DM ( r ) ds dE dE 8 π m 2 | {z } E min los χ | {z } γ / cm 2 /s | {z } “ J − Factor” “Particle Physics Factor” e . g . Segue 1 : h σ v i = 10 − 26 cm 3 / s J ≈ 10 20 GeV 2 / cm 5 m χ = 100 GeV dN γ /dE = 2 δ ( E � m χ ) ( χχ ! γγ ) ⇒ Φ ≈ 10 − 11 γ / cm 2 / s ) PP ⇡ 10 − 31 cm 3 / s / GeV 2 � 9 Nick Rodd - Indirect Detection with X-rays and γ -rays

How do we detect Dark Matter? Z E max Z = h σ v i dN γ ρ 2 Φ ( l, b ) ⇥ DM ( r ) ds dE dE 8 π m 2 | {z } E min los χ | {z } γ / cm 2 /s | {z } “ J − Factor” “Particle Physics Factor” e . g . Segue 1 : h σ v i = 10 − 26 cm 3 / s J ≈ 10 20 GeV 2 / cm 5 m χ = 100 GeV dN γ /dE = 2 δ ( E � m χ ) ( χχ ! γγ ) ⇒ Φ ≈ 10 − 11 γ / cm 2 / s ) PP ⇡ 10 − 31 cm 3 / s / GeV 2 If we had a 1m 2 space based telescope operate for 10 years: 10 4 cm 2 � 10 × π × 10 7 s 10 − 11 γ / cm 2 / s � � � � � ≈ 30 γ × × � 10 Nick Rodd - Indirect Detection with X-rays and γ -rays

How do we detect Dark Matter? Z E max Z = h σ v i dN γ ρ 2 Φ ( l, b ) ⇥ DM ( r ) ds dE dE 8 π m 2 | {z } E min los χ | {z } γ / cm 2 /s | {z } “ J − Factor” “Particle Physics Factor” e . g . Segue 1 : h σ v i = 10 − 26 cm 3 / s J ≈ 10 20 GeV 2 / cm 5 m χ = 100 GeV dN γ /dE = 2 δ ( E � m χ ) ( χχ ! γγ ) ⇒ Φ ≈ 10 − 11 γ / cm 2 / s ) PP ⇡ 10 − 31 cm 3 / s / GeV 2 If we had a 1m 2 space based telescope operate for 10 years: 1m 2 10 years 10 4 cm 2 � 10 × π × 10 7 s 10 − 11 γ / cm 2 / s � � � � � ≈ 30 γ × × � 11 Nick Rodd - Indirect Detection with X-rays and γ -rays

Landscape Fermi Cape Canaveral June 11, 2008 log 10 [ E / cm 2 × T/ s] 12 10 8 − 2 0 2 H.E. γ -rays log 10 [ E/ GeV] � 12 Nick Rodd - Indirect Detection with X-rays and γ -rays

Landscape 18 16 log 10 [ E / cm 2 × T/ s] 14 Fermi 12 10 8 − 2 0 2 4 6 H.E. γ -rays log 10 [ E/ GeV] V.H.E. γ U.H.E. γ � 13 Nick Rodd - Indirect Detection with X-rays and γ -rays

Landscape HAWC 2015-present 18 16 log 10 [ E / cm 2 × T/ s] 14 Fermi H.E.S.S. 12 2002-present (H.E.S.S. II 2012-) 10 8 − 2 0 2 4 6 H.E. γ -rays log 10 [ E/ GeV] V.H.E. γ U.H.E. γ � 14 Nick Rodd - Indirect Detection with X-rays and γ -rays

Landscape LHAASO 18 2021? [LHAASO 1905.02773] 16 log 10 [ E / cm 2 × T/ s] 14 Fermi CTA 12 ~2025 10 8 − 2 0 2 4 6 H.E. γ -rays log 10 [ E/ GeV] V.H.E. γ U.H.E. γ � 15 Nick Rodd - Indirect Detection with X-rays and γ -rays

Landscape LHAASO 18 2021? [LHAASO 1905.02773] 16 log 10 [ E / cm 2 × T/ s] 14 Fermi CTA [Rinchiuso, Macias, Moulin, NLR , Slatyer (in prep)] 12 y Higgsino Sensitivity ~2025 r a 10 � 27 h σ v i line [cm 3 /s] n i m 10 10 � 28 i l e CTA r Tree P 10 � 29 8 10 0 10 1 10 2 − 2 0 2 4 6 m χ [TeV] H.E. γ -rays log 10 [ E/ GeV] V.H.E. γ U.H.E. γ See also [Silverwood+ 1408.4131]; [CTA 1709.07997] � 16 Nick Rodd - Indirect Detection with X-rays and γ -rays

Landscape LHAASO 18 CTA HAWC H . E . S . 16 S . log 10 [ E / cm 2 × T/ s] 14 Fermi 12 10 8 − 4 − 2 0 2 4 6 M.E. γ H.E. γ -rays log 10 [ E/ GeV] V.H.E. γ U.H.E. γ � 17 Nick Rodd - Indirect Detection with X-rays and γ -rays

Landscape COMPTEL LHAASO 1991-2000 18 CTA CGRO HAWC H . E . S . 16 S . log 10 [ E / cm 2 × T/ s] 14 Fermi EGRET 12 1991-2000 10 8 CGRO − 4 − 2 0 2 4 6 M.E. γ H.E. γ -rays log 10 [ E/ GeV] V.H.E. γ U.H.E. γ � 18 Nick Rodd - Indirect Detection with X-rays and γ -rays

Landscape e-Astrogram LHAASO 18 2030s? CTA HAWC H . E . S . 16 S . log 10 [ E / cm 2 × T/ s] 14 Fermi AMEGO 12 ? 10 8 − 4 − 2 0 2 4 6 M.E. γ H.E. γ -rays log 10 [ E/ GeV] V.H.E. γ U.H.E. γ � 19 Nick Rodd - Indirect Detection with X-rays and γ -rays

Landscape e-Astrogram LHAASO [e-ASTROGAM 1711.01265] [Bartels, Gaggero, Weniger 1703.02546] 18 2030s? CTA HAWC H . E . S . 16 S . log 10 [ E / cm 2 × T/ s] 14 Fermi See also: AMEGO Caputo+ 1903.05845, 12 Bringmann+ 1610.04613, ? Boddy, Kumar 1504.04024, Boddy+ 1606.07440, Kumar 1808.02579, Coogan+ 1907.11846 10 … 8 − 4 − 2 0 2 4 6 M.E. γ H.E. γ -rays log 10 [ E/ GeV] V.H.E. γ U.H.E. γ � 20 Nick Rodd - Indirect Detection with X-rays and γ -rays

Landscape LHAASO 18 CTA HAWC H.E.S.S. 16 log 10 [ E / cm 2 × T/ s] 14 Fermi 12 AMEGO T E R G E e-Astrogram 10 COMPTEL 8 − 6 − 4 − 2 0 2 4 6 X-rays M.E. γ log 10 [ E/ GeV] H.E. γ -rays V.H.E. γ U.H.E. γ � 21 Nick Rodd - Indirect Detection with X-rays and γ -rays

Landscape XMM-NEWTON Chandra NuSTAR LHAASO 1999-present 18 1999-present 2012-present CTA HAWC H.E.S.S. 16 log 10 [ E / cm 2 × T/ s] 14 Fermi INTEGRAL 12 AMEGO 2002-present T E R G E e-Astrogram 10 COMPTEL 8 − 6 − 4 − 2 0 2 4 6 X-rays M.E. γ log 10 [ E/ GeV] H.E. γ -rays V.H.E. γ U.H.E. γ � 22 Nick Rodd - Indirect Detection with X-rays and γ -rays

Landscape ATHENA LHAASO 18 ~2031 CTA HAWC H.E.S.S. 16 log 10 [ E / cm 2 × T/ s] 14 Fermi 12 AMEGO T XMM-Newton E R G E a r e-Astrogram INTEGRAL d 10 R n COMPTEL a A h T C S u N 8 − 6 − 4 − 2 0 2 4 6 X-rays M.E. γ log 10 [ E/ GeV] H.E. γ -rays V.H.E. γ U.H.E. γ � 23 Nick Rodd - Indirect Detection with X-rays and γ -rays

Landscape LHAASO 18 CTA HAWC H.E.S.S. 16 log 10 [ E / cm 2 × T/ s] 14 ATHENA Fermi 12 AMEGO T XMM-Newton E R G E a r e-Astrogram INTEGRAL d 10 R n COMPTEL a A h T C S u N 8 − 6 − 4 − 2 0 2 4 6 X-rays M.E. γ log 10 [ E/ GeV] H.E. γ -rays V.H.E. γ U.H.E. γ � 24 Nick Rodd - Indirect Detection with X-rays and γ -rays

Landscape LHAASO 18 CTA HAWC H.E.S.S. 16 log 10 [ E / cm 2 × T/ s] 14 ATHENA Fermi 12 AMEGO T XMM-Newton E R G E a r e-Astrogram INTEGRAL d 10 R n COMPTEL a A h T C S u N 8 − 6 − 4 − 2 0 2 4 6 X-rays M.E. γ log 10 [ E/ GeV] H.E. γ -rays V.H.E. γ U.H.E. γ � 25 Nick Rodd - Indirect Detection with X-rays and γ -rays

2. Anomalies 3.5 keV Line GeV Excess

2. Anomalies 3.5 keV Line GeV Excess ?