Class nucmass_ame2 (o2scl)

O2scl : Class List

class nucmass_ame2 : public o2scl::nucmass_table

Note

This version avoids storing a raw pointer, supports the NUBASE data, and provides more field information

Accuracy modes

static const int measured = 0

Measured value from source data.

static const int estimated = 1

Value estimated in source data.

static const int not_calculable = 2

Value listed in data as not calculable.

static const int intl_computed = 3

Value computed by .

static const int unc_less_than_half_eV = 4

The uncertainty is less than half of an eV.

static const int blank = 5

The value is blank.

static const int blank_unc = 6

The uncertainty is blank.

static const int unstable = 7

The nucleus is unstable.

static const int part_unstable = 8

static const int lower_limit = 9

static const int upper_limit = 10

static const int does_not_exist = 11

static const int approximate = 12

The stored value is only approximate.

std::vector<entry> mass

The array containing the mass data of length ame::n.

int last

The last table index for caching.

inline void load(std::string name = "20", bool exp_only = false)

Read data for o2scl::nucmass_ame from an HDF table specified in a file.

Todo:

Why was this moved here from hdf_nucmass.h ?

void load_ext(std::string name, std::string filename, std::string nubase_file, bool exp_only = false)

Read data for o2scl::nucmass_ame from an HDF table specified in a file.

Todo:

Why was this moved here from hdf_nucmass.h ?

inline int parse(std::string s1, std::string s2, double &d1, double &d2, int &acc)

Parse strings s1 and s2 from the AME into a value, d1, an uncertainty, d2, and an accuracy flag, acc.

• If string s1 has an asterisk, then d1 and d2 are set to zero and acc is set to nucmass_ame::not_calculable.

• If string s2 contains the letter ‘a’, then d2 is set to zero and ass is set to nucmass_ame::unc_less_than_half_eV. The value of d1 is computed from stod_nothrow().

• Otherwise, if string s1 has a pound sign, then acc is set to nucmass_ame::estimated, otherwise, acc is set to nucmass_ame::measured. The values of d1 and d2 are computed from s1 and s2 using stod_nothrow().

• If either of the stod_nothrow() calls returns a non-zero value, then the error handler is called.

inline virtual const char *type()

Return the type, "nucmass_ame2".

virtual bool is_included(int Z, int N)

Return false if the mass formula does not include specified nucleus.

virtual double mass_excess(int Z, int N)

Given Z and N, return the mass excess in MeV.

entry get_ZN(int l_Z, int l_N)

Get element with Z=l_Z and N=l_N (e.g. 82,126).

entry get_ZA(int l_Z, int l_A)

Get element with Z=l_Z and A=l_A (e.g. 82,208).

entry get_elA(std::string l_el, int l_A)

Get element with name l_el and A=l_A (e.g. “Pb”,208).

entry get(std::string nucleus)

Get element with string (e.g. “Pb208”)

inline virtual bool is_loaded()

Returns true if data has been loaded.

inline virtual size_t get_nentries()

Return number of entries.

inline std::string get_reference()

Return the reference.

Public Functions

nucmass_ame2()

Create an AME mass object.

virtual ~nucmass_ame2()

class entry

Atomic mass entry structure.

Atomic mass entry data object for o2scl::nucmass_ame.

This has to be a struct, not a class, so that it can be processed by the HDF5 make table functions.

Public Members

int NMZ

N-Z.

int N

Neutron number.

int Z

Proton number.

int A

Mass number.

char el[4]

Element name.

char orig[5]

Data origin.

double mass

Mass excess (in keV)

double dmass

Mass excess uncertainty (in keV)

int mass_acc

Mass accuracy flag.

double be

Binding energy (in keV, given in the ‘95 data)

double dbe

Binding energy uncertainty (in keV, given in the ‘95 data)

int be_acc

Binding energy accuracy flag.

double beoa

Binding energy / A (in keV, given in the ‘03 data)

double dbeoa

Binding energy / A uncertainty (in keV, given in the ‘03 data)

int beoa_acc

Binding energy / A accuracy flag.

char bdmode[3]

Beta decay mode.

double bde

Beta-decay energy (in keV)

double dbde

Beta-decay energy uncertainty (in keV)

int bde_acc

Beta-decay energy accuracy flag.

int A2

Mass number (reported twice in original table)

double amass

Atomic mass (in keV)

double damass

Atomic mass uncertainty (in keV)

int amass_acc

Atomic mass accuracy flag.

std::vector<entry_nubase_20> props

NUBASE properties.

class entry_nubase_20

Data structure for a row in the NUBASE file.

Note

All character arrays have space for an extra terminating character

Public Members

char Znote

Note.

char A_el[6]

Element name.

char isomer

Type field (isomer, resonance, etc.)

double mass

Mass excess (in keV)

double dmass

Mass excess uncertainty (in keV)

int mass_acc

Desc.

double exc_energy

Excitation energy.

double dexc_energy

Excitation energy uncertainty.

int exc_energy_acc

Desc.

char origin[3]

Excitation energy origin.

char isomer_unc

Isomer uncertainty.

char isomer_inv

Isomer inversion.

double hlife

Half-life.

int hlife_acc

Desc.

char hl_unit[3]

Half-life unit.

char dhlife[8]

Half-life uncertainty.

char spinp[15]

Spin and parity.

int ENSDF_year

Isospin multiplet.

int discovery

Year of discovery.

char decay_intensity[91]

Decay mode and intensity.