trento::WoodsSaxonNucleus Class Reference

#include <JETSCAPE/blob/main/external_packages/trento/src/nucleus.h>

Inheritance diagram for trento::WoodsSaxonNucleus:

Collaboration diagram for trento::WoodsSaxonNucleus:

Public Member Functions
	WoodsSaxonNucleus (std::size_t A, double R, double a, double dmin=0)
virtual double	radius () const override
	The radius of a Woods-Saxon Nucleus is computed from the parameters (R, a).

Private Member Functions
virtual void	sample_nucleons_impl () override
	Sample Woods-Saxon nucleon positions.

Private Attributes
const double	R_
	Woods-Saxon parameters.
const double	a_
std::piecewise_linear_distribution < double >	woods_saxon_dist_

Additional Inherited Members
Public Types inherited from trento::Nucleus
using	size_type = std::vector< Nucleon >::size_type
using	iterator = std::vector< Nucleon >::iterator
using	const_iterator = std::vector< Nucleon >::const_iterator
Static Public Member Functions inherited from trento::Nucleus
static NucleusPtr	create (const std::string &species, double nucleon_width, double nucleon_dmin=0)
Protected Member Functions inherited from trento::MinDistNucleus
	MinDistNucleus (std::size_t A, double dmin=0)
bool	is_too_close (const_iterator nucleon) const

Detailed Description

Samples nucleons from a spherically symmetric Woods-Saxon distribution

.. math::

f(r) {1}{1 + ({r-R}{a})}.

For non-deformed heavy nuclei such as lead.

Definition at line 208 of file nucleus.h.

View newest version in sPHENIX GitHub at line 208 of file nucleus.h

Constructor & Destructor Documentation

trento::WoodsSaxonNucleus::WoodsSaxonNucleus	(	std::size_t	A,
		double	R,
		double	a,
		double	dmin = 0
	)

Nucleus::create() sets these parameters for a given species.

Parameters

A	number of nucleons
R	Woods-Saxon radius
a	Woods-Saxon surface thickness
dmin	minimum nucleon-nucleon distance (optional, default zero)

Definition at line 185 of file nucleus.cxx.

View newest version in sPHENIX GitHub at line 185 of file nucleus.cxx

References physmon_track_finding_ttbar::r.

Member Function Documentation

virtual double trento::WoodsSaxonNucleus::radius ( ) const

overridevirtual

The radius of a Woods-Saxon Nucleus is computed from the parameters (R, a).

Implements trento::Nucleus.

virtual void trento::WoodsSaxonNucleus::sample_nucleons_impl ( )

overrideprivatevirtual

Sample Woods-Saxon nucleon positions.

Implements trento::Nucleus.

Member Data Documentation

const double trento::WoodsSaxonNucleus::a_

private

Definition at line 225 of file nucleus.h.

View newest version in sPHENIX GitHub at line 225 of file nucleus.h

const double trento::WoodsSaxonNucleus::R_

private

Woods-Saxon parameters.

Definition at line 225 of file nucleus.h.

View newest version in sPHENIX GitHub at line 225 of file nucleus.h

std::piecewise_linear_distribution<double> trento::WoodsSaxonNucleus::woods_saxon_dist_

mutableprivate

Woods-Saxon distribution object. Since the dist does not have an analytic inverse CDF, approximate it as a piecewise linear dist. For a large number of steps this is very accurate.

Definition at line 230 of file nucleus.h.

View newest version in sPHENIX GitHub at line 230 of file nucleus.h

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The documentation for this class was generated from the following files:

• JETSCAPE/blob/main/external_packages/trento/src/nucleus.h
• JETSCAPE/blob/main/external_packages/trento/src/nucleus.cxx