Mantid::PhysicalConstants Namespace Reference

A namespace containing physical constants that are required by algorithms and unit routines. More...

Classes
class	Atom
	Struture to hold the common information for an atom. More...
struct	MagneticIon
	Struture to hold information about magnetic form factor for 3d, 4d, rare earth, and actinide atoms and ions. More...
struct	NeutronAtom
	Structure to store neutronic scattering information for the various elements. More...

Typedefs
using	IonIndex = std::unordered_map< std::string, MagneticIon >
	Typedef the map type. More...

Functions
bool	AtomEqualsWithNaN (const double left, const double right)
	Check if two atoms are not valid. More...
MANTID_KERNEL_DLL void	calculateScatteringLengths (NeutronAtom &atom)
	Utility function to calculate scattering lengths from cross-sections. More...
bool	compareAtoms (const Atom &left, uint16_t a_number)
	Compare two atoms. More...
bool	compareAtoms (const NeutronAtom &left, const NeutronAtom &right)
	Comparison between neutron atoms (for sorting) More...
void	createIonLookup (IonIndex &ion_map)
	Forward decalre intializer. More...
MANTID_KERNEL_DLL const Atom &	getAtom (const std::string &symbol, const uint16_t a_number=0)
MANTID_KERNEL_DLL const Atom &	getAtom (const uint16_t z_number, const uint16_t a_number=0)
MANTID_KERNEL_DLL std::vector< double >	getJL (const std::string &symbol, const uint16_t charge, const uint16_t l=0)
	Returns the Lth-coefficients for the given ion. More...
MANTID_KERNEL_DLL const MagneticIon &	getMagneticIon (const std::string &symbol)
	Returns the magnetic ion from a combined symbol and charge given as string. More...
MANTID_KERNEL_DLL const MagneticIon &	getMagneticIon (const std::string &symbol, const uint16_t charge)
	Returns the magnetic ion for the given symbol and charge. More...
MANTID_KERNEL_DLL std::vector< std::string >	getMagneticIonList ()
	Returns a list of all ions. More...
MANTID_KERNEL_DLL NeutronAtom	getNeutronAtom (const uint16_t z_number, const uint16_t a_number)
	Retrieve a copy of NeutronAtom. More...
MANTID_KERNEL_DLL NeutronAtom	getNeutronNoExceptions (const NeutronAtom &other)
MANTID_KERNEL_DLL NeutronAtom	getNeutronNoExceptions (const uint16_t z_number, const uint16_t a_number)
const IonIndex &	ionMap ()
	Returns a reference to the static lookup map. More...
bool	NeutronAtomEqualsWithNaN (const double left, const double right)
MANTID_KERNEL_DLL bool	operator!= (const Atom &left, const Atom &right)
	Inequality operator overload. More...
MANTID_KERNEL_DLL bool	operator!= (const NeutronAtom &left, const NeutronAtom &right)
	Inequality between two neutron atoms. More...
MANTID_KERNEL_DLL NeutronAtom	operator* (const double left, const NeutronAtom &right)
	This calls operator*(const NeutronAtom&, const double) with the parameters reversed. More...
MANTID_KERNEL_DLL NeutronAtom	operator* (const NeutronAtom &left, const double right)
	Multiplying a NeutronAtom by a number sets a_number=z_number=0 and multiplies all of the scattering information. More...
MANTID_KERNEL_DLL NeutronAtom	operator+ (const NeutronAtom &left, const NeutronAtom &right)
	Adding two NeutronAtoms together sets a_number=z_number=0 and adds all of the scattering information. More...
MANTID_KERNEL_DLL std::ostream &	operator<< (std::ostream &out, const Atom &atom)
	Stream operator overload. More...
MANTID_KERNEL_DLL std::ostream &	operator<< (std::ostream &out, const NeutronAtom &atom)
	Output neutron atom to a stream. More...
MANTID_KERNEL_DLL bool	operator== (const Atom &left, const Atom &right)
	Equality operator overload. More...
MANTID_KERNEL_DLL bool	operator== (const NeutronAtom &left, const NeutronAtom &right)
	Equality between two neutron atoms. More...

Variables
static constexpr double	AtomicMassUnit = 1.660538921e-27
	AMU in kg. More...
static std::array< tcb::span< Atom >, 96 >	ATOMS
static NeutronAtom	ATOMS []
	All of the atoms in a single array so it can be searched. More...
static std::array< Atom, 2845 >	ATOMS_ARRAY
static constexpr double	BoltzmannConstant = 8.6173324e-02
	Boltzmann Constant in meV/K Taken from http://physics.nist.gov/cuu/Constants on 10/07/2012. More...
static constexpr double	E_mev_toNeutronWavenumberSq
	Transformation coefficient to transform neutron energy into neutron wavevector: K-neutron[m^-10] = sqrt(E_neutron[meV]/E_transtormation[mEv]);. More...
static constexpr double	g = 9.80665
	Standard acceleration due to gravity. More...
static constexpr double	h = 6.62606896e-34
	Planck constant in J*s. More...
static constexpr double	h_bar = h / (2 * M_PI)
	Planck constant in J*s, divided by 2 PI. More...
static constexpr double	meV = 1.602176487e-22
	1 meV in Joules. More...
static constexpr double	meVtoFrequency = 0.2417989262
	1 meV in frequency (GHz). More...
static constexpr double	meVtoKelvin = 11.604519
	1 meV in Kelvin. More...
static constexpr double	meVtoWavenumber = 8.06554465
	1 meV in wavenumber (cm-1). More...
static constexpr double	MuonGyromagneticRatio = 0.01355342
	Muon gyromagnetic ratio in MHz/G Taken from CalMuonDetectorPhases and DynamicKuboToyabe on 02/02/2016. More...
static constexpr double	MuonLifetime = 2.1969811e-6
	Muon lifetime. More...
static constexpr double	N_A = 6.02214179e23
	Avagodro constant in mol-1. More...
static constexpr double	NeutronMass = 1.674927211e-27
	Mass of the neutron in kg. More...
static constexpr double	NeutronMassAMU = 1.008664916
	Mass of the neutron in AMU. More...
static const size_t	NUM_ATOMS = 371
	The total number of atoms in the array. More...
static constexpr double	StandardAtmosphere = 101.325
	Standard atmospheric pressure in kPa. More...

Detailed Description

A namespace containing physical constants that are required by algorithms and unit routines.

Typedef Documentation

IonIndex

using Mantid::PhysicalConstants::IonIndex = typedef std::unordered_map<std::string, MagneticIon>

Typedef the map type.

Definition at line 672 of file MagneticIon.cpp.

Function Documentation

AtomEqualsWithNaN()

bool Mantid::PhysicalConstants::AtomEqualsWithNaN	(	const double	left,
		const double	right
	)

Check if two atoms are not valid.

Definition at line 3120 of file Atom.cpp.

References left, and right.

Referenced by operator==().

calculateScatteringLengths()

void Mantid::PhysicalConstants::calculateScatteringLengths

(

NeutronAtom &

atom

)

Utility function to calculate scattering lengths from cross-sections.

Definition at line 27 of file NeutronAtom.cpp.

References Mantid::PhysicalConstants::NeutronAtom::coh_scatt_length, Mantid::PhysicalConstants::NeutronAtom::coh_scatt_length_img, Mantid::PhysicalConstants::NeutronAtom::coh_scatt_length_real, Mantid::PhysicalConstants::NeutronAtom::coh_scatt_xs, Mantid::PhysicalConstants::NeutronAtom::inc_scatt_length, Mantid::PhysicalConstants::NeutronAtom::inc_scatt_length_img, Mantid::PhysicalConstants::NeutronAtom::inc_scatt_length_real, Mantid::PhysicalConstants::NeutronAtom::inc_scatt_xs, Mantid::PhysicalConstants::NeutronAtom::tot_scatt_length, and Mantid::PhysicalConstants::NeutronAtom::tot_scatt_xs.

Referenced by Mantid::PhysicalConstants::NeutronAtom::NeutronAtom(), and Mantid::PhysicalConstants::NeutronAtom::operator=().

compareAtoms() [1/2]

bool Mantid::PhysicalConstants::compareAtoms	(	const Atom &	left,
		uint16_t	a_number
	)

Compare two atoms.

Definition at line 3160 of file Atom.cpp.

References left.

Referenced by getAtom(), getNeutronAtom(), and getNeutronNoExceptions().

compareAtoms() [2/2]

bool Mantid::PhysicalConstants::compareAtoms	(	const NeutronAtom &	left,
		const NeutronAtom &	right
	)

Comparison between neutron atoms (for sorting)

Parameters

left	:: NeutronAtom to compare
right	:: NeutronAtom to compare

Returns

boolean

Definition at line 634 of file NeutronAtom.cpp.

References left, and right.

createIonLookup()

void Mantid::PhysicalConstants::createIonLookup

(

IonIndex &

ion_map

)

Forward decalre intializer.

Creates the lookup table.

Parameters

ion_map

A reference to the static lookup

Definition at line 690 of file MagneticIon.cpp.

Referenced by ionMap().

getAtom() [1/2]

const Atom & Mantid::PhysicalConstants::getAtom	(	const std::string &	symbol,
		const uint16_t	a_number
	)

Parameters

symbol	:: Chemical symbol of the atom to get
a_number	:: Mass number of the atom to get

Returns

The atom corresponding to the given symbol and A

Definition at line 3192 of file Atom.cpp.

References ATOMS, compareAtoms(), and getAtom().

getAtom() [2/2]

const Atom & Mantid::PhysicalConstants::getAtom	(	const uint16_t	z_number,
		const uint16_t	a_number
	)

Parameters

z_number	:: Atomic number of the atom to get
a_number	:: Mass number of the atom to get

Returns

The atom corresponding to the given Z and A

Definition at line 3167 of file Atom.cpp.

References ATOMS, compareAtoms(), getAtom(), and index.

Referenced by Mantid::WorkflowAlgorithms::DgsAbsoluteUnitsReduction::exec(), getAtom(), and Mantid::Geometry::IsotropicAtomBraggScatterer::setElement().

getJL()

std::vector< double > Mantid::PhysicalConstants::getJL	(	const std::string &	symbol,
		const uint16_t	charge,
		const uint16_t	l
	)

Returns the Lth-coefficients for the given ion.

Returns the coffieients for a given angular momentum.

Parameters

symbol	:: The string symbol defining the element
charge	:: The charge
l	:: The angular momentum

Returns

The coefficients or throws if either the ion doesn't exist or the angular momentum is invalid

Definition at line 1018 of file MagneticIon.cpp.

References getMagneticIon(), Mantid::PhysicalConstants::MagneticIon::j0, Mantid::PhysicalConstants::MagneticIon::j2, Mantid::PhysicalConstants::MagneticIon::j4, and Mantid::PhysicalConstants::MagneticIon::j6.

getMagneticIon() [1/2]

const MagneticIon & Mantid::PhysicalConstants::getMagneticIon

(

const std::string &

symbol

)

Returns the magnetic ion from a combined symbol and charge given as string.

Returns a MagneticIon corresponding to the given symbol containing the atom & charge Throws std::runtime_error if one cannot be found.

Parameters

symbol

:: The string symbol

Returns

A reference to the required ion

Definition at line 983 of file MagneticIon.cpp.

References ionMap().

getMagneticIon() [2/2]

const MagneticIon & Mantid::PhysicalConstants::getMagneticIon	(	const std::string &	symbol,
		const uint16_t	charge
	)

Returns the magnetic ion for the given symbol and charge.

Returns a MagneticIon corresponding to the given symbol & charge.

Throws std::runtime_error if one cannot be found

Parameters

symbol	:: The string symbol
charge	:: The charge

Returns

Definition at line 1004 of file MagneticIon.cpp.

References getMagneticIon().

Referenced by Mantid::Algorithms::MagFormFactorCorrection::exec(), getJL(), and getMagneticIon().

getMagneticIonList()

std::vector< std::string > Mantid::PhysicalConstants::getMagneticIonList

(

)

Returns a list of all ions.

Returns a std::vector<std::string> of the keys of ion_map (a list of all ions programmed into this class)

Returns

Definition at line 1048 of file MagneticIon.cpp.

References ionMap().

Referenced by Mantid::Algorithms::MagFormFactorCorrection::init().

getNeutronAtom()

NeutronAtom Mantid::PhysicalConstants::getNeutronAtom	(	const uint16_t	z_number,
		const uint16_t	a_number
	)

Retrieve a copy of NeutronAtom.

Parameters

z_number	:: Atomic number of the atom to get
a_number	:: Mass number of the atom to get

Returns

The atom corresponding to the given Z and A

Definition at line 710 of file NeutronAtom.cpp.

References Mantid::PhysicalConstants::NeutronAtom::a_number, ATOMS, compareAtoms(), NUM_ATOMS, and Mantid::PhysicalConstants::NeutronAtom::z_number.

Referenced by Mantid::WorkflowAlgorithms::DgsAbsoluteUnitsReduction::exec(), and Mantid::Kernel::Material::loadNexus().

getNeutronNoExceptions() [1/2]

NeutronAtom Mantid::PhysicalConstants::getNeutronNoExceptions

(

const NeutronAtom &

other

)

Definition at line 735 of file NeutronAtom.cpp.

References getNeutronNoExceptions().

getNeutronNoExceptions() [2/2]

NeutronAtom Mantid::PhysicalConstants::getNeutronNoExceptions	(	const uint16_t	z_number,
		const uint16_t	a_number
	)

Definition at line 723 of file NeutronAtom.cpp.

References Mantid::PhysicalConstants::NeutronAtom::a_number, ATOMS, compareAtoms(), NUM_ATOMS, and Mantid::PhysicalConstants::NeutronAtom::z_number.

Referenced by getNeutronNoExceptions().

ionMap()

const IonIndex & Mantid::PhysicalConstants::ionMap

(

)

Returns a reference to the static lookup map.

Definition at line 678 of file MagneticIon.cpp.

References createIonLookup(), and ionMap().

Referenced by getMagneticIon(), getMagneticIonList(), and ionMap().

NeutronAtomEqualsWithNaN()

bool Mantid::PhysicalConstants::NeutronAtomEqualsWithNaN	(	const double	left,
		const double	right
	)

Definition at line 568 of file NeutronAtom.cpp.

References left, and right.

Referenced by operator==().

operator!=() [1/2]

bool Mantid::PhysicalConstants::operator!=	(	const Atom &	left,
		const Atom &	right
	)

Inequality operator overload.

Definition at line 3150 of file Atom.cpp.

References left, and right.

operator!=() [2/2]

bool Mantid::PhysicalConstants::operator!=	(	const NeutronAtom &	left,
		const NeutronAtom &	right
	)

Inequality between two neutron atoms.

Parameters

left	:: NeutronAtom to compare
right	:: NeutronAtom to compare

Returns

boolean

Definition at line 615 of file NeutronAtom.cpp.

References left, and right.

operator*() [1/2]

NeutronAtom Mantid::PhysicalConstants::operator*	(	const double	left,
		const NeutronAtom &	right
	)

This calls operator*(const NeutronAtom&, const double) with the parameters reversed.

Definition at line 700 of file NeutronAtom.cpp.

References left, and right.

operator*() [2/2]

NeutronAtom Mantid::PhysicalConstants::operator*	(	const NeutronAtom &	left,
		const double	right
	)

Multiplying a NeutronAtom by a number sets a_number=z_number=0 and multiplies all of the scattering information.

Definition at line 673 of file NeutronAtom.cpp.

References Mantid::PhysicalConstants::NeutronAtom::a_number, Mantid::PhysicalConstants::NeutronAtom::abs_scatt_xs, Mantid::PhysicalConstants::NeutronAtom::coh_scatt_length, Mantid::PhysicalConstants::NeutronAtom::coh_scatt_length_img, Mantid::PhysicalConstants::NeutronAtom::coh_scatt_length_real, Mantid::PhysicalConstants::NeutronAtom::coh_scatt_xs, Mantid::PhysicalConstants::NeutronAtom::inc_scatt_length, Mantid::PhysicalConstants::NeutronAtom::inc_scatt_length_img, Mantid::PhysicalConstants::NeutronAtom::inc_scatt_length_real, Mantid::PhysicalConstants::NeutronAtom::inc_scatt_xs, left, right, Mantid::PhysicalConstants::NeutronAtom::tot_scatt_length, Mantid::PhysicalConstants::NeutronAtom::tot_scatt_xs, and Mantid::PhysicalConstants::NeutronAtom::z_number.

operator+()

NeutronAtom Mantid::PhysicalConstants::operator+	(	const NeutronAtom &	left,
		const NeutronAtom &	right
	)

Adding two NeutronAtoms together sets a_number=z_number=0 and adds all of the scattering information.

Definition at line 646 of file NeutronAtom.cpp.

References Mantid::PhysicalConstants::NeutronAtom::a_number, Mantid::PhysicalConstants::NeutronAtom::abs_scatt_xs, Mantid::PhysicalConstants::NeutronAtom::coh_scatt_length, Mantid::PhysicalConstants::NeutronAtom::coh_scatt_length_img, Mantid::PhysicalConstants::NeutronAtom::coh_scatt_length_real, Mantid::PhysicalConstants::NeutronAtom::coh_scatt_xs, Mantid::PhysicalConstants::NeutronAtom::inc_scatt_length, Mantid::PhysicalConstants::NeutronAtom::inc_scatt_length_img, Mantid::PhysicalConstants::NeutronAtom::inc_scatt_length_real, Mantid::PhysicalConstants::NeutronAtom::inc_scatt_xs, left, right, Mantid::PhysicalConstants::NeutronAtom::tot_scatt_length, Mantid::PhysicalConstants::NeutronAtom::tot_scatt_xs, and Mantid::PhysicalConstants::NeutronAtom::z_number.

operator<<() [1/2]

std::ostream & Mantid::PhysicalConstants::operator<<	(	std::ostream &	out,
		const Atom &	atom
	)

Stream operator overload.

Definition at line 3152 of file Atom.cpp.

References Mantid::PhysicalConstants::Atom::a_number, and Mantid::PhysicalConstants::Atom::symbol.

operator<<() [2/2]

std::ostream & Mantid::PhysicalConstants::operator<<	(	std::ostream &	out,
		const NeutronAtom &	atom
	)

Output neutron atom to a stream.

Parameters

out	:: stream
atom	:: NeutronAtom

Returns

stream

Definition at line 622 of file NeutronAtom.cpp.

References Mantid::PhysicalConstants::NeutronAtom::abs_scatt_xs, Mantid::PhysicalConstants::NeutronAtom::coh_scatt_length_img, Mantid::PhysicalConstants::NeutronAtom::coh_scatt_length_real, Mantid::PhysicalConstants::NeutronAtom::coh_scatt_xs, Mantid::PhysicalConstants::NeutronAtom::inc_scatt_length_img, Mantid::PhysicalConstants::NeutronAtom::inc_scatt_length_real, Mantid::PhysicalConstants::NeutronAtom::inc_scatt_xs, and Mantid::PhysicalConstants::NeutronAtom::tot_scatt_xs.

operator==() [1/2]

bool Mantid::PhysicalConstants::operator==	(	const Atom &	left,
		const Atom &	right
	)

Equality operator overload.

Definition at line 3128 of file Atom.cpp.

References AtomEqualsWithNaN(), left, and right.

operator==() [2/2]

bool Mantid::PhysicalConstants::operator==	(	const NeutronAtom &	left,
		const NeutronAtom &	right
	)

Equality between two neutron atoms.

Parameters

left	:: NeutronAtom to compare
right	:: NeutronAtom to compare

Returns

boolean

Definition at line 581 of file NeutronAtom.cpp.

References left, NeutronAtomEqualsWithNaN(), and right.

Variable Documentation

AtomicMassUnit

constexpr double Mantid::PhysicalConstants::AtomicMassUnit = 1.660538921e-27

staticconstexpr

AMU in kg.

Taken from http://physics.nist.gov/cuu/Constants on 10/09/2014.

Definition at line 47 of file PhysicalConstants.h.

Referenced by Mantid::CurveFitting::Algorithms::VesuvioCalculateMS::cacheInputs(), and export_PhysicalConstants().

ATOMS [1/2]

std::array<tcb::span<Atom>, 96> Mantid::PhysicalConstants::ATOMS

static

Definition at line 3068 of file Atom.cpp.

Referenced by getAtom(), getNeutronAtom(), and getNeutronNoExceptions().

ATOMS [2/2]

NeutronAtom Mantid::PhysicalConstants::ATOMS[]

static

Initial value:

= {
    H,     H1,    H2,    H3,    He,    He3,   He4,   Li,    Li6,   Li7,   Be,    B,     B10,   B11,   C,     C12,
    C13,   N,     N14,   N15,   O,     O16,   O17,   O18,   F,     Ne,    Ne20,  Ne21,  Ne22,  Na,    Mg,    Mg24,
    Mg25,  Mg26,  Al,    Si,    Si28,  Si29,  Si30,  P,     S,     S32,   S33,   S34,   S36,   Cl,    Cl35,  Cl37,
    Ar,    Ar36,  Ar38,  Ar40,  K,     K39,   K40,   K41,   Ca,    Ca40,  Ca42,  Ca43,  Ca44,  Ca46,  Ca48,  Sc,
    Ti,    Ti46,  Ti47,  Ti48,  Ti49,  Ti50,  V,     V50,   V51,   Cr,    Cr50,  Cr52,  Cr53,  Cr54,  Mn,    Fe,
    Fe54,  Fe56,  Fe57,  Fe58,  Co,    Ni,    Ni58,  Ni60,  Ni61,  Ni62,  Ni64,  Cu,    Cu63,  Cu65,  Zn,    Zn64,
    Zn66,  Zn67,  Zn68,  Zn70,  Ga,    Ga69,  Ga71,  Ge,    Ge70,  Ge72,  Ge73,  Ge74,  Ge76,  As,    Se,    Se74,
    Se76,  Se77,  Se78,  Se80,  Se82,  Br,    Br79,  Br81,  Kr,    Kr78,  Kr80,  Kr82,  Kr83,  Kr84,  Kr86,  Rb,
    Rb85,  Rb87,  Sr,    Sr84,  Sr86,  Sr87,  Sr88,  Y,     Zr,    Zr90,  Zr91,  Zr92,  Zr94,  Zr96,  Nb,    Mo,
    Mo92,  Mo94,  Mo95,  Mo96,  Mo97,  Mo98,  Mo100, Tc,    Ru,    Ru96,  Ru98,  Ru99,  Ru100, Ru101, Ru102, Ru104,
    Rh,    Pd,    Pd102, Pd104, Pd105, Pd106, Pd108, Pd110, Ag,    Ag107, Ag109, Cd,    Cd106, Cd108, Cd110, Cd111,
    Cd112, Cd113, Cd114, Cd116, In,    In113, In115, Sn,    Sn112, Sn114, Sn115, Sn116, Sn117, Sn118, Sn119, Sn120,
    Sn122, Sn124, Sb,    Sb121, Sb123, Te,    Te120, Te122, Te123, Te124, Te125, Te126, Te128, Te130, I,     Xe,
    Xe124, Xe126, Xe128, Xe129, Xe130, Xe131, Xe132, Xe134, Xe136, Cs,    Ba,    Ba130, Ba132, Ba134, Ba135, Ba136,
    Ba137, Ba138, La,    La138, La139, Ce,    Ce136, Ce138, Ce140, Ce142, Pr,    Nd,    Nd142, Nd143, Nd144, Nd145,
    Nd146, Nd148, Nd150, Pm,    Sm,    Sm144, Sm147, Sm148, Sm149, Sm150, Sm152, Sm154, Eu,    Eu151, Eu153, Gd,
    Gd152, Gd154, Gd155, Gd156, Gd157, Gd158, Gd160, Tb,    Dy,    Dy156, Dy158, Dy160, Dy161, Dy162, Dy163, Dy164,
    Ho,    Er,    Er162, Er164, Er166, Er167, Er168, Er170, Tm,    Yb,    Yb168, Yb170, Yb171, Yb172, Yb173, Yb174,
    Yb176, Lu,    Lu175, Lu176, Hf,    Hf174, Hf176, Hf177, Hf178, Hf179, Hf180, Ta,    Ta180, Ta181, W,     W180,
    W182,  W183,  W184,  W186,  Re,    Re185, Re187, Os,    Os184, Os186, Os187, Os188, Os189, Os190, Os192, Ir,
    Ir191, Ir193, Pt,    Pt190, Pt192, Pt194, Pt195, Pt196, Pt198, Au,    Hg,    Hg196, Hg198, Hg199, Hg200, Hg201,
    Hg202, Hg204, Tl,    Tl203, Tl205, Pb,    Pb204, Pb206, Pb207, Pb208, Bi,    Po,    At,    Rn,    Fr,    Ra,
    Ac,    Th,    Pa,    U,     U233,  U234,  U235,  U238,  Np,    Pu,    Pu238, Pu239, Pu240, Pu242, Am,    Cm,
    Cm244, Cm246, Cm248}

All of the atoms in a single array so it can be searched.

Definition at line 539 of file NeutronAtom.cpp.

ATOMS_ARRAY

std::array<Atom, 2845> Mantid::PhysicalConstants::ATOMS_ARRAY

static

Definition at line 2888 of file Atom.cpp.

BoltzmannConstant

constexpr double Mantid::PhysicalConstants::BoltzmannConstant = 8.6173324e-02

staticconstexpr

Boltzmann Constant in meV/K Taken from http://physics.nist.gov/cuu/Constants on 10/07/2012.

Definition at line 83 of file PhysicalConstants.h.

Referenced by export_PhysicalConstants().

E_mev_toNeutronWavenumberSq

constexpr double Mantid::PhysicalConstants::E_mev_toNeutronWavenumberSq

staticconstexpr

Initial value:

=
    1.0e20 * h_bar * h_bar / (2 * NeutronMass * meV)

Transformation coefficient to transform neutron energy into neutron wavevector: K-neutron[m^-10] = sqrt(E_neutron[meV]/E_transtormation[mEv]);.

Definition at line 67 of file PhysicalConstants.h.

Referenced by Mantid::CurveFitting::Functions::VesuvioResolution::cacheResolutionComponents(), Mantid::CurveFitting::Functions::ComptonProfile::cacheYSpaceValues(), Mantid::MDAlgorithms::MDTransfQ3D::calcMatrixCoord3DInelastic(), Mantid::MDAlgorithms::MDTransfModQ::calcMatrixCoordInelastic(), Mantid::CurveFitting::Algorithms::VesuvioCalculateMS::calculateE1Range(), Mantid::CurveFitting::Algorithms::ConvertToYSpace::calculateY(), Mantid::MDAlgorithms::MDTransfModQ::calcYDepCoordinates(), Mantid::MDAlgorithms::MDTransfQ3D::calcYDepCoordinates(), Mantid::CurveFitting::Algorithms::ConvertToYSpace::convert(), Mantid::Algorithms::SofQCommon::directQ(), Mantid::Algorithms::SofQWCentre::exec(), export_PhysicalConstants(), Mantid::Algorithms::SofQCommon::indirectQ(), Mantid::MDAlgorithms::MDTransfModQ::initialize(), Mantid::MDAlgorithms::MDTransfQ3D::initialize(), Mantid::CurveFitting::Algorithms::VesuvioCalculateMS::partialDiffXSec(), and Mantid::CurveFitting::Functions::ComptonPeakProfile::setWorkspace().

g

constexpr double Mantid::PhysicalConstants::g = 9.80665

staticconstexpr

Standard acceleration due to gravity.

Precise value in ms^-2.

Definition at line 35 of file PhysicalConstants.h.

Referenced by Mantid::Algorithms::ConvertAxisByFormula::exec(), export_PhysicalConstants(), and Mantid::Algorithms::GravitySANSHelper::gravitationalDrop().

h

constexpr double Mantid::PhysicalConstants::h = 6.62606896e-34

staticconstexpr

Planck constant in J*s.

Taken from http://physics.nist.gov/cuu/Constants on 2007-10-31 and confirmed again on 2010-12-28.

Definition at line 29 of file PhysicalConstants.h.

Referenced by Mantid::Algorithms::SparseWorkspace::bilinearInterpolateFromDetectorGrid(), Mantid::MDAlgorithms::CalculateCoverageDGS::cacheDimensionXValues(), Mantid::MDAlgorithms::MDNormDirectSC::cacheDimensionXValues(), Mantid::MDAlgorithms::MDNormDirectSC::cacheInputs(), Mantid::DataHandling::LoadHelper::calculateEnergy(), Mantid::MDAlgorithms::MDNormDirectSC::calculateNormalization(), Mantid::Algorithms::ConvertToConstantL2::calculateTOF(), Mantid::Algorithms::ConvertEmptyToTof::calculateTOF(), Mantid::DataHandling::LoadHelper::calculateTOF(), Mantid::Kernel::Units::Energy::Energy(), Mantid::Kernel::Units::Energy_inWavenumber::Energy_inWavenumber(), Mantid::Algorithms::ConvertAxisByFormula::exec(), Mantid::Algorithms::GroupToXResolution::exec(), Mantid::Algorithms::ModeratorTzeroLinear::exec(), Mantid::Crystal::IndexSXPeaks::exec(), Mantid::Crystal::LoadHKL::exec(), Mantid::MDAlgorithms::CalculateCoverageDGS::exec(), Mantid::MDAlgorithms::ConvertToMDMinMaxGlobal::exec(), Mantid::MDAlgorithms::RecalculateTrajectoriesExtents::exec(), Mantid::DataHandling::LoadPLN::exec(), export_PhysicalConstants(), Mantid::Algorithms::SparseWorkspace::extremeWavelengths(), Mantid::MDAlgorithms::LoadDNSSCD::fillOutputWorkspace(), Mantid::MDAlgorithms::LoadDNSSCD::fillOutputWorkspaceRaw(), Mantid::MDAlgorithms::MDNorm::getBinParameters(), Mantid::DataObjects::Peak::getDSpacing(), Mantid::DataObjects::LeanElasticPeak::getFinalEnergy(), Mantid::DataHandling::LoadILLSANS::getVariableTimeBinning(), Mantid::DataObjects::Peak::getWavelength(), Mantid::Algorithms::GravitySANSHelper::gravitationalDrop(), Mantid::Algorithms::UnwrapMonitor::init(), Mantid::Algorithms::UnwrapSNS::init(), Mantid::Kernel::Units::Wavelength::init(), Mantid::Kernel::Units::dSpacingPerpendicular::init(), Mantid::Kernel::Units::Momentum::init(), Mantid::Algorithms::DiscusMultipleScatteringCorrection::integrateCumulative(), Mantid::Algorithms::SparseWorkspace::interpolateFromDetectorGrid(), Mantid::Algorithms::SparseWorkspace::modelHistogram(), Mantid::Kernel::Units::Momentum::Momentum(), Mantid::Crystal::LoadIsawPeaks::readPeak(), Mantid::DataObjects::Peak::setWavelength(), Mantid::Algorithms::SparseWorkspace::SparseWorkspace(), and Mantid::Kernel::Units::Wavelength::Wavelength().

h_bar

constexpr double Mantid::PhysicalConstants::h_bar = h / (2 * M_PI)

staticconstexpr

Planck constant in J*s, divided by 2 PI.

Definition at line 32 of file PhysicalConstants.h.

Referenced by Mantid::MDAlgorithms::ConvertToDiffractionMDWorkspace::convertEventList(), Mantid::Algorithms::AddPeak::exec(), Mantid::Algorithms::ConvertAxisByFormula::exec(), export_PhysicalConstants(), Mantid::MDAlgorithms::LoadDNSSCD::fillOutputWorkspace(), Mantid::Crystal::FindSXPeaksHelper::SXPeak::getQ(), and Mantid::DataObjects::Peak::getQLabFrame().

meV

constexpr double Mantid::PhysicalConstants::meV = 1.602176487e-22

staticconstexpr

1 meV in Joules.

Taken from http://physics.nist.gov/cuu/Constants on 28/03/2008.

Definition at line 51 of file PhysicalConstants.h.

Referenced by Mantid::MDAlgorithms::CalculateCoverageDGS::cacheDimensionXValues(), Mantid::MDAlgorithms::MDNormDirectSC::cacheDimensionXValues(), Mantid::MDAlgorithms::MDNormDirectSC::cacheInputs(), Mantid::CurveFitting::Functions::ComptonProfile::cacheYSpaceValues(), Mantid::Algorithms::TimeAtSampleStrategyIndirect::calculate(), Mantid::DataHandling::LoadHelper::calculateEnergy(), Mantid::MDAlgorithms::MDNormDirectSC::calculateNormalization(), Mantid::Algorithms::ModeratorTzeroLinear::calculateTfLi(), Mantid::Algorithms::CorrectTOFAxis::correctManually(), Mantid::Kernel::Units::Energy::Energy(), Mantid::Kernel::Units::Energy_inWavenumber::Energy_inWavenumber(), Mantid::Algorithms::CorelliCrossCorrelate::exec(), Mantid::Algorithms::GetEi::exec(), Mantid::Algorithms::GetEiMonDet3::exec(), Mantid::Algorithms::ModeratorTzero::exec(), Mantid::MDAlgorithms::CalculateCoverageDGS::exec(), Mantid::MDAlgorithms::ConvertToMDMinMaxGlobal::exec(), Mantid::MDAlgorithms::RecalculateTrajectoriesExtents::exec(), Mantid::Algorithms::ModeratorTzero::execEvent(), export_PhysicalConstants(), Mantid::MDAlgorithms::LoadDNSSCD::fillOutputWorkspace(), Mantid::MDAlgorithms::LoadDNSSCD::fillOutputWorkspaceRaw(), Mantid::MDAlgorithms::MDNorm::getBinParameters(), Mantid::DataObjects::Peak::getDSpacing(), Mantid::Algorithms::GetEi2::GetEi2(), Mantid::DataObjects::LeanElasticPeak::getFinalEnergy(), Mantid::DataObjects::Peak::getQLabFrame(), Mantid::DataObjects::Peak::getTOF(), Mantid::DataObjects::Peak::getWavelength(), Mantid::Kernel::Units::Wavelength::init(), Mantid::Kernel::Units::Energy::init(), Mantid::Kernel::Units::Energy_inWavenumber::init(), Mantid::Kernel::Units::DeltaE::init(), Mantid::Kernel::Units::Momentum::init(), Mantid::Kernel::Units::Momentum::Momentum(), Mantid::DataObjects::Peak::setWavelength(), Mantid::Algorithms::TimeAtSampleStrategyDirect::TimeAtSampleStrategyDirect(), Mantid::Algorithms::GetEi::timeToFly(), and Mantid::Kernel::Units::Wavelength::Wavelength().

meVtoFrequency

constexpr double Mantid::PhysicalConstants::meVtoFrequency = 0.2417989262

staticconstexpr

1 meV in frequency (GHz).

Division of energy by Plank's constant. Taken from http://physics.nist.gov/cuu/Constants on 03/11/2017.

Definition at line 59 of file PhysicalConstants.h.

Referenced by Mantid::Kernel::Units::DeltaE::DeltaE(), Mantid::Kernel::Units::DeltaE_inFrequency::DeltaE_inFrequency(), export_PhysicalConstants(), and Mantid::Kernel::Units::DeltaE_inFrequency::init().

meVtoKelvin

constexpr double Mantid::PhysicalConstants::meVtoKelvin = 11.604519

staticconstexpr

1 meV in Kelvin.

Taken from http://physics.nist.gov/cuu/Constants on 09/09/2011.

Definition at line 63 of file PhysicalConstants.h.

Referenced by Mantid::MDAlgorithms::ApplyDetailedBalanceMD::applyDetailedBalance(), Mantid::Algorithms::ApplyDetailedBalance::exec(), export_PhysicalConstants(), Mantid::CurveFitting::Functions::ActivationmeV::function1D(), and Mantid::CurveFitting::Functions::ActivationmeV::functionDeriv1D().

meVtoWavenumber

constexpr double Mantid::PhysicalConstants::meVtoWavenumber = 8.06554465

staticconstexpr

1 meV in wavenumber (cm^-1).

Taken from http://physics.nist.gov/cuu/Constants on 02/04/2008.

Definition at line 55 of file PhysicalConstants.h.

Referenced by Mantid::Kernel::Units::DeltaE::DeltaE(), Mantid::Kernel::Units::DeltaE_inWavenumber::DeltaE_inWavenumber(), Mantid::Kernel::Units::Energy::Energy(), Mantid::Kernel::Units::Energy_inWavenumber::Energy_inWavenumber(), export_PhysicalConstants(), Mantid::Kernel::Units::Energy_inWavenumber::init(), Mantid::Kernel::Units::DeltaE_inWavenumber::init(), Mantid::Kernel::Units::Momentum::Momentum(), and Mantid::Kernel::Units::Wavelength::Wavelength().

MuonGyromagneticRatio

constexpr double Mantid::PhysicalConstants::MuonGyromagneticRatio = 0.01355342

staticconstexpr

Muon gyromagnetic ratio in MHz/G Taken from CalMuonDetectorPhases and DynamicKuboToyabe on 02/02/2016.

Definition at line 88 of file PhysicalConstants.h.

Referenced by Mantid::CurveFitting::Functions::Keren::activeParameter(), export_PhysicalConstants(), Mantid::CurveFitting::Functions::Keren::function1D(), Mantid::CurveFitting::Functions::HKT(), and Mantid::CurveFitting::Functions::Keren::setActiveParameter().

MuonLifetime

constexpr double Mantid::PhysicalConstants::MuonLifetime = 2.1969811e-6

staticconstexpr

Muon lifetime.

Taken from Particle Data Group on 15/1/2016 http://pdg.lbl.gov/2015/tables/rpp2015-sum-leptons.pdf.

Definition at line 72 of file PhysicalConstants.h.

Referenced by export_PhysicalConstants().

N_A

constexpr double Mantid::PhysicalConstants::N_A = 6.02214179e23

staticconstexpr

Avagodro constant in mol^-1.

Taken from http://physics.nist.gov/cuu/Constants on 2010-12-28.

Definition at line 25 of file PhysicalConstants.h.

Referenced by export_PhysicalConstants(), and Mantid::Kernel::MaterialBuilder::getOrCalculateRhoAndPacking().

NeutronMass

constexpr double Mantid::PhysicalConstants::NeutronMass = 1.674927211e-27

staticconstexpr

Mass of the neutron in kg.

Taken from http://physics.nist.gov/cuu/Constants on 30/10/2007.

Definition at line 39 of file PhysicalConstants.h.

Referenced by Mantid::MDAlgorithms::CalculateCoverageDGS::cacheDimensionXValues(), Mantid::MDAlgorithms::MDNormDirectSC::cacheDimensionXValues(), Mantid::MDAlgorithms::MDNormDirectSC::cacheInputs(), Mantid::CurveFitting::Functions::ComptonProfile::cacheYSpaceValues(), Mantid::Algorithms::TimeAtSampleStrategyIndirect::calculate(), Mantid::DataHandling::LoadHelper::calculateEnergy(), Mantid::MDAlgorithms::MDNormDirectSC::calculateNormalization(), Mantid::Algorithms::ModeratorTzeroLinear::calculateTfLi(), Mantid::Algorithms::ConvertToConstantL2::calculateTOF(), Mantid::Algorithms::ConvertEmptyToTof::calculateTOF(), Mantid::DataHandling::LoadHelper::calculateTOF(), Mantid::MDAlgorithms::ConvertToDiffractionMDWorkspace::convertEventList(), Mantid::Algorithms::CorrectTOFAxis::correctManually(), Mantid::Kernel::Units::Energy::Energy(), Mantid::Kernel::Units::Energy_inWavenumber::Energy_inWavenumber(), Mantid::Algorithms::AddPeak::exec(), Mantid::Algorithms::ConvertAxisByFormula::exec(), Mantid::Algorithms::CorelliCrossCorrelate::exec(), Mantid::Algorithms::GetEiMonDet3::exec(), Mantid::Algorithms::ModeratorTzero::exec(), Mantid::Algorithms::ModeratorTzeroLinear::exec(), Mantid::MDAlgorithms::CalculateCoverageDGS::exec(), Mantid::MDAlgorithms::ConvertToMDMinMaxGlobal::exec(), Mantid::MDAlgorithms::RecalculateTrajectoriesExtents::exec(), Mantid::DataHandling::LoadPLN::exec(), Mantid::Algorithms::ModeratorTzero::execEvent(), export_PhysicalConstants(), Mantid::MDAlgorithms::LoadDNSSCD::fillOutputWorkspace(), Mantid::MDAlgorithms::LoadDNSSCD::fillOutputWorkspaceRaw(), Mantid::MDAlgorithms::MDNorm::getBinParameters(), Mantid::DataObjects::Peak::getDSpacing(), Mantid::Algorithms::GetEi2::GetEi2(), Mantid::DataObjects::LeanElasticPeak::getFinalEnergy(), Mantid::Crystal::FindSXPeaksHelper::SXPeak::getQ(), Mantid::DataObjects::Peak::getQLabFrame(), Mantid::DataObjects::Peak::getTOF(), Mantid::DataHandling::LoadILLSANS::getVariableTimeBinning(), Mantid::DataObjects::Peak::getWavelength(), Mantid::Algorithms::GravitySANSHelper::gravitationalDrop(), Mantid::Algorithms::UnwrapMonitor::init(), Mantid::Algorithms::UnwrapSNS::init(), Mantid::Kernel::Units::Wavelength::init(), Mantid::Kernel::Units::Energy::init(), Mantid::Kernel::Units::Energy_inWavenumber::init(), Mantid::Kernel::Units::dSpacingPerpendicular::init(), Mantid::Kernel::Units::DeltaE::init(), Mantid::Kernel::Units::Momentum::init(), Mantid::Kernel::Units::Momentum::Momentum(), Mantid::Algorithms::GetEi::neutron_E_At(), Mantid::DataObjects::Peak::setWavelength(), Mantid::Algorithms::TimeAtSampleStrategyDirect::TimeAtSampleStrategyDirect(), Mantid::Algorithms::GetEi::timeToFly(), and Mantid::Kernel::Units::Wavelength::Wavelength().

NeutronMassAMU

constexpr double Mantid::PhysicalConstants::NeutronMassAMU = 1.008664916

staticconstexpr

Mass of the neutron in AMU.

Taken from http://physics.nist.gov/cuu/Constants on 02/01/2013.

Definition at line 43 of file PhysicalConstants.h.

Referenced by Mantid::CurveFitting::Algorithms::VesuvioCalculateMS::cacheInputs(), Mantid::CurveFitting::Functions::VesuvioResolution::cacheResolutionComponents(), Mantid::Algorithms::ConvertAxisByFormula::exec(), and export_PhysicalConstants().

NUM_ATOMS

const size_t Mantid::PhysicalConstants::NUM_ATOMS = 371

static

The total number of atoms in the array.

Definition at line 566 of file NeutronAtom.cpp.

Referenced by getNeutronAtom(), and getNeutronNoExceptions().

StandardAtmosphere

constexpr double Mantid::PhysicalConstants::StandardAtmosphere = 101.325

staticconstexpr

Standard atmospheric pressure in kPa.

Taken from <http://physics.nist.gov/cgi-bin/cuu/Value?stdatm|search_for=adopted_in!> on 01/12/2010

Definition at line 78 of file PhysicalConstants.h.

Referenced by export_PhysicalConstants().