Energy deposition of 24 GeV/c protons in gravity affected mercury jet Sergei Striganov Fermilab April 1, 2009.

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Presentation transcript:

Energy deposition of 24 GeV/c protons in gravity affected mercury jet Sergei Striganov Fermilab April 1, 2009

Beam simulation model Simulation starts at HG-WUP using beam parameters from MERIT Data Analysis(latest update : 07Oct08), including dispersion term. If there is vacuum only between WUP and center of target horizontal and vertical beam parameters very close to Ilias results. Real MC provides slightly larger sigmas due to interaction with beam windows and air.

Beam distribution at HG-WUP, 10Tp, 14 GeV/c

Beam distribution at center of target, 10Tp, 14 GeV/c (vacuum only) Ilias table (October 11, 2008): sigma_h = cm, sigma_v= cm

Beam distribution at center of target 10Tp, 14 GeV/c (beam windows and air included) Ilias table (October 11, 2008): sigma_h = cm,sigma_v= cm

Distribution of beam entrance point to round target (r=0.84 cm), 10Tp, 14 GeV/c

Round gravity affected jet r=0.84 cm at 5 Tesla, reduced density degree degree degree degree

Energy deposition density in round gravity affected jet at 5 Tesla, r=8.4 cm, reduced density (4.77 g/cc) degree degree degree degree

Elliptic gravity affected jet, r v =0.84 cm, r h =0.3 cm at 5 Tesla degree degree degree degree

Energy deposition density in elliptic gravity affected jet, r v =0.84 cm, r h =0.3 cm at 5 Tesla, normal density ( g/cc) degree degree degree degree

How energy deposition depends on beam parameters? Three beam setup scenarios:  Only vertical&horizontal divergence. Ilias sigmas at target center.  Vertical&horizontal and angular divergences. Ilias parameters at HG-WUP.  Same as 2 plus 3 mrad horizontal beam tilt Maximum of energy deposition density has weak dependence on angular beam distribution How energy deposition depends on beam parameters?

Energy deposition density in elliptic gravity affected jet, r v =0.84 cm, r h =0.3 cm at 5 Tesla, normal density ( g/cc)

How energy deposition density depends on beam size?