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Dark Matter Search in the form of WIMPs with the WARP Experiment E nrico B orriello, V alencia, July 2005 U niversità degli S tudi di N apoli F ederico.

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Presentation on theme: "Dark Matter Search in the form of WIMPs with the WARP Experiment E nrico B orriello, V alencia, July 2005 U niversità degli S tudi di N apoli F ederico."— Presentation transcript:

1 Dark Matter Search in the form of WIMPs with the WARP Experiment E nrico B orriello, V alencia, July 2005 U niversità degli S tudi di N apoli F ederico II In collaboration with: G. F iorillo, G. M angano, G. M iele

2 The Dark Matter Enrico Borriello, Valencia, July

3 Enrico Borriello, Valencia, July

4 Composition of the Universe matter contribution radiation contribution dark energy contribution curvature term Enrico Borriello, Valencia, July

5 Luminous matter Dark matter most of the matter is non baryonic ! Enrico Borriello, Valencia, July

6 Why WIMPS? (Weakly Interacting Massive Particles) Enrico Borriello, Valencia, July

7 Enrico Borriello, Valencia, July

8 Enrico Borriello, Valencia, July

9 MSSM and Dark Matter: the neutralino Enrico Borriello, Valencia, July

10 χ χ Direct detection of WIMPS Enrico Borriello, Valencia, July

11 Enrico Borriello, Valencia, July

12 Enrico Borriello, Valencia, July

13 Enrico Borriello, Valencia, July

14 The modulation effect Enrico Borriello, Valencia, July

15 Enrico Borriello, Valencia, July

16 INFN e Università di Pavia R. Brunetti, E. Calligarich, M. Cambiaghi, C. De Vecchi, R. Dolfini, L. Grandi, A. Menegolli, C. Montanari, M. Prata, A. Rappoldi, G. L. Raselli, M. Roncadelli, M. Rossella, C. Rubbia, C. Vignoli INFN e Università di Napoli F. Carbonara, A. Cocco, A. Ereditato, G. Fiorillo, G. Mangano, R. Santorelli INFN Laboratori Nazionali del Gran Sasso F.Cavanna, N.Ferrari, O. Palamara Università di Princeton C. Galbiati WARP: WIMP ARgon Programme Enrico Borriello, Valencia, July

17 The ratio of primary over secondary signal depends on the kind of particles producing excitation and ionization This discrimination method rules out the backgroung Induced by gammas and electrons How the measurement is performed Finally, the shielding from neutrons allows to discriminate WIMP induced interactions Enrico Borriello, Valencia, July

18 Enrico Borriello, Valencia, July litres sensitivity 18

19 Enrico Borriello, Valencia, July litres sensitivity 19

20 21 Enrico Borriello, Valencia, July 2005 Preliminary


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