EXFOR M0007
last update: 2025-07-23
open / close all
0. OVERALL DESCRIPTION (M0007.001)
last update: 2025-07-23
Title

Giant dipole resonance in Hf isotopes.

Author
A.M.Goryachev, G.N.Zalesnyi
Reference
Sov.J.Nucl.Phys. 26 (1977) 246

English translation of YF,26,465,1977.

Yad.Fiz. 26 (1977) 465
Institute
Saratov Gosudarstvennyi Univ.
Facility
Betatron of Saratov Gosudarstvennyi Univ.
Incident particle source
Bremsstrahlung
Analysis
Penfold-Leiss method
Error analysis
Heading Lower limit (%) Upper limit (%) Correlation Remark
DATA-ERR Mean-root-squared uncertainties.
Status
Approved by author

By G.N.Zalesnyi, e-mail on 2025-07-22.

History
Date Work Remark
1980-05-16 Compiled at the data center
1991-02-02 Important alterations Corrected by V.Varlamov, V.Mclane
2012-10-29 Important alterations SD: Updated to new date formats, lower case. Corrected according last EXFOR rules and Dict. Ref. of transl. was added. VV: STATUS in SUBENT 001, REACTION code in SUBENTs 002-004 were corrected , SUBENTs 005 - 010 were added.
2022-01-31 Important alterations Corrected by V.Varlamov: ANALYSIS, ERR-ANALYS, REACTION, DATA, STATUS, INT,,BRA -> INT,,BRS in REACTION of SUBENTs 005-010, SUBENTs 011 - 013 added.
2025-07-23 Important alterations Corrected by V.Varlamov: TITLE, AUTHOR, REFERENCE, ANALYSIS, REACTION in SUBENTs 005-007, SUBENTs 014-019 added, DETECTOR, STATUS.
1. DATA TABLE M0007.002
last update: 2025-07-23
Quantity given
176Hf(γ,x)1Nn production cross section, not weighted by multiplicity of outgoing particle, Average over part of bremsstrahlung spectrum
Analysis

The correction of measured neutron yield (g,xn) cross section for multiple neutron emission in the (gamma,2n) process using the statistical theory.

Status
Data presented by authors (Ref. A.M.Goryachev et al., Sov.J.Nucl.Phys. 26 (1977) 246)

Data presented in Fig. 2a.

Dependent data (See EXFOR M0007.011)

Neutron yield cross-section (G,X)0-NN-1,,SIG.

History
Date Work Remark
2012-10-29 Important alterations VV: REACTION code: BRA -> BRS.
2022-01-31 Important alterations Corrected by V.Varlamov: REACTION, DATA (2 data lines corrected), SAMPLE, STATUS.
2025-07-23 Important alterations Corrected by V.Varlamov: REACTION, ANALYSIS, ERR-ANALYS, COMMON, STATUS.
Data table (only first and last 5 data points are shown) 
------------------------------------
EN          DATA        DATA-ERR    
MEV         MB          MB          
------------------------------------
    9.04       53.8         2.0     
    9.17       56.2         2.0     
    9.29       61.          2.      
    9.42       64.7         3.0     
    9.54       69.8         3.0     
 ..........  ..........  .......... 
   19.67      104.9         8.0     
   19.79       75.7         9.0     
   19.92       70.          9.      
   20.04       77.9         8.0     
   20.16       62.5         8.0     
------------------------------------
2. DATA TABLE M0007.003
last update: 2025-07-23
Quantity given
178Hf(γ,x)1Nn production cross section, not weighted by multiplicity of outgoing particle, Average over part of bremsstrahlung spectrum
Analysis

The correction of measured neutron yield (g,xn) cross-section for multiple neutron emission in the (gamma,2n) process using the statistical theory.

Status
Data presented by authors (Ref. A.M.Goryachev et al., Sov.J.Nucl.Phys. 26 (1977) 246)

Data presented in Fig. 2b.

Dependent data (See EXFOR M0007.012)

Neutron yield cross-section (G,X)0-NN-1,,SIG.

History
Date Work Remark
2012-10-29 Important alterations VV: REACTION code: BRA -> BRS.
2022-01-31 Important alterations Corrected by V.Varlamov: SAMPLE, REACTION, DATA (3 data lines corrected), STATUS.
2025-07-23 Important alterations Corrected by V.Varlamov: REACTION, ANALYSIS, ERR-ANALYS, STATUS.
Data table (only first and last 5 data points are shown) 
------------------------------------
EN          DATA        DATA-ERR    
MEV         MB          MB          
------------------------------------
    9.04       53.6         2.0     
    9.17       62.1         2.0     
    9.29       66.5         3.0     
    9.42       74.5         3.0     
    9.54       74.3         3.0     
 ..........  ..........  .......... 
   19.54       78.6        12.0     
   19.67      117.4        12.0     
   19.79       56.0        12.0     
   19.92      116.8        13.0     
   20.04       63.2        14.0     
------------------------------------
3. DATA TABLE M0007.004
last update: 2025-07-23
Quantity given
180Hf(γ,x)1Nn production cross section, not weighted by multiplicity of outgoing particle, Average over part of bremsstrahlung spectrum
Analysis

The correction of measured neutron yield (g,xn) cross-section for multiple neutron emission in the (gamma,2n) process using the statistical theory.

Status
Data presented by authors (Ref. A.M.Goryachev et al., Sov.J.Nucl.Phys. 26 (1977) 246)

Data presented in Fig. 2c.

Dependent data (See EXFOR M0007.013)

Neutron yield cross-section (G,X)0-NN-1,,SIG.

History
Date Work Remark
2012-10-29 Important alterations VV: REACTION code: BRA -> BRS.
2022-01-31 Important alterations Corrected by V.Varlamov: REACTION, SAMPLE, STATUS.
2025-07-23 Important alterations Corrected by V.Varlamov: REACTION, ANALYSIS, ERR-ANALYS, STATUS.
Data table (only first and last 5 data points are shown) 
------------------------------------
EN          DATA        DATA-ERR    
MEV         MB          MB          
------------------------------------
    9.04       56.1         2.0     
    9.17       59.5         3.0     
    9.29       62.          3.      
    9.42       69.          3.      
    9.54       77.1         4.0     
 ..........  ..........  .......... 
   19.54       87.6        11.0     
   19.67      125.8        11.0     
   19.79       80.         11.      
   19.92       96.6        11.0     
   20.04       70.3        12.0     
------------------------------------
4. DATA TABLE M0007.005
last update: 2025-07-23
Quantity given
176Hf(γ,x)1Nn cross-section integral over incident energy, Average over part of bremsstrahlung spectrum
Status
Dependent data (See EXFOR M0007.002)

Reaction cross-section.

Data presented by authors (Ref. A.M.Goryachev et al., Sov.J.Nucl.Phys. 26 (1977) 246)

Data from Table 4.

History
Date Work Remark
2012-10-29 Important alterations VV: REACTION code: BRS -> BRA
2022-01-31 Important alterations Corrected by V.Varlamov: STATUS, INT,,BRA -> INT,,BRS in REACTION. HISTORY line (20121029A) corrected: REACTION code: BRS -> BRA.
2025-07-23 Important alterations Corrected by V.Varlamov: REACTION, STATUS.
Constants 
------------
EN-MAX      
MEV         
------------
    20.     
------------
Data table 
------------------------
DATA        DATA-ERR    
MB*MEV      MB*MEV      
------------------------
  2571.       12.       
------------------------
5. DATA TABLE M0007.006
last update: 2025-07-23
Quantity given
178Hf(γ,x)1Nn cross-section integral over incident energy, Average over part of bremsstrahlung spectrum
Status
Dependent data (See EXFOR M0007.003)

Reaction cross-section.

Data presented by authors (Ref. A.M.Goryachev et al., Sov.J.Nucl.Phys. 26 (1977) 246)

Data from Table 4.

History
Date Work Remark
2012-10-29 Important alterations VV: REACTION code: BRS -> BRA
2022-01-31 Important alterations Corrected by V.Varlamov: STATUS, INT,,BRA -> INT,,BRS in REACTION. HISTORY line (20121029A) corrected: REACTION code: BRS -> BRA.
2025-07-23 Important alterations Corrected by V.Varlamov: REACTION, STATUS.
Constants 
------------
EN-MAX      
MEV         
------------
    20.     
------------
Data table 
------------------------
DATA        DATA-ERR    
MB*MEV      MB*MEV      
------------------------
  2580.       15.       
------------------------
6. DATA TABLE M0007.007
last update: 2025-07-23
Quantity given
180Hf(γ,x)1Nn cross-section integral over incident energy, Average over part of bremsstrahlung spectrum
Status
Dependent data (See EXFOR M0007.004)

Reaction cross-section.

Data presented by authors (Ref. A.M.Goryachev et al., Sov.J.Nucl.Phys. 26 (1977) 246)

Data from Table 4.

History
Date Work Remark
2012-10-29 Important alterations VV: REACTION code: BRS -> BRA
2022-01-31 Important alterations Corrected by V.Varlamov: STATUS, INT,,BRA -> INT,,BRS in REACTION. HISTORY line (20121029A) corrected: REACTION code: BRS -> BRA.
2025-07-23 Important alterations Corrected by V.Varlamov: REACTION, STATUS.
Constants 
------------
EN-MAX      
MEV         
------------
    20.     
------------
Data table 
------------------------
DATA        DATA-ERR    
MB*MEV      MB*MEV      
------------------------
  2535.       12.       
------------------------
7. DATA TABLE M0007.008
last update: 2025-07-23
Quantity given
176Hf(γ,2n)174Hf cross-section integral over incident energy, Average over part of bremsstrahlung spectrum
Status
Data presented by authors (Ref. A.M.Goryachev et al., Sov.J.Nucl.Phys. 26 (1977) 246)

Data from Table 4.

Dependent data (See EXFOR M0007.014)

Reaction cross-section.

History
Date Work Remark
2012-10-29 Important alterations VV: REACTION code: BRS -> BRA
2022-01-31 Important alterations Corrected by V.Varlamov: STATUS, INT,,BRA -> INT,,BRS in REACTION. HISTORY line (20121029A) corrected: REACTION code: BRS -> BRA.
2025-07-23 Unimportant alterations Corrected by V.Varlamov: STATUS.
Constants 
------------
EN-MAX      
MEV         
------------
    20.     
------------
Data table 
------------------------
DATA        DATA-ERR    
MB*MEV      MB*MEV      
------------------------
  518.         4.       
------------------------
8. DATA TABLE M0007.009
last update: 2025-07-23
Quantity given
178Hf(γ,2n)176Hf cross-section integral over incident energy, Average over part of bremsstrahlung spectrum
Status
Data presented by authors (Ref. A.M.Goryachev et al., Sov.J.Nucl.Phys. 26 (1977) 246)

Data from Table 4.

Dependent data (See EXFOR M0007.015)

Reaction cross-section.

History
Date Work Remark
2012-10-29 Important alterations VV: REACTION code: BRS -> BRA
2022-01-31 Important alterations Corrected by V.Varlamov: STATUS, INT,,BRA -> INT,,BRS in REACTION. HISTORY line (20121029A) corrected: REACTION code: BRS -> BRA.
2025-07-23 Unimportant alterations Corrected by V.Varlamov: STATUS.
Constants 
------------
EN-MAX      
MEV         
------------
    20.     
------------
Data table 
------------------------
DATA        DATA-ERR    
MB*MEV      MB*MEV      
------------------------
   683.        6.       
------------------------
9. DATA TABLE M0007.010
last update: 2025-07-23
Quantity given
180Hf(γ,2n)178Hf cross-section integral over incident energy, Average over part of bremsstrahlung spectrum
Status
Data presented by authors (Ref. A.M.Goryachev et al., Sov.J.Nucl.Phys. 26 (1977) 246)

Data from Table 4.

Dependent data (See EXFOR M0007.016)

Reaction cross-section.

History
Date Work Remark
2012-10-29 Important alterations VV: REACTION code: BRS -> BRA
2022-01-31 Important alterations Corrected by V.Varlamov: STATUS, INT,,BRA -> INT,,BRS in REACTION. HISTORY line (20121029A) corrected: REACTION code: BRS -> BRA.
2025-07-23 Important alterations Corrected by V.Varlamov: STATUS.
Constants 
------------
EN-MAX      
MEV         
------------
    20.     
------------
Data table 
------------------------
DATA        DATA-ERR    
MB*MEV      MB*MEV      
------------------------
   815.        5.       
------------------------
10. DATA TABLE M0007.011
last update: 2025-07-23
Quantity given
176Hf(γ,x)1Nn cross section, Average over part of bremsstrahlung spectrum
Sample
176Hf enriched to 0.65

Thick target Hf-176 (purity: 65.0%, 21.6 g)

Detector
Boron Trifluoride neutron detector
Method
Irradiation with external beam, Single target irradiation
Analysis
Penfold-Leiss method

Cross sections were calculated from experimental yields by Penfold-Leiss method with 1.0-MeV step.

Status
Data presented by authors (Ref. A.M.Goryachev et al., Sov.J.Nucl.Phys. 26 (1977) 246)

Data presented in Fig. 2a.

History
Date Work Remark
2022-01-31 Compiled at the data center Data compiled at the MSU SINP CDFE by V.Varlamov.
2025-07-23 Unimportant alterations Corrected by V.Varlamov: DETECTOR, METHOD, ERR-ANALYS, COMMON, STATUS.
Constants 
------------
ANAL-STEP   
MEV         
------------
 1.0        
------------
Data table (only first and last 5 data points are shown) 
------------------------------------
EN          DATA        DATA-ERR    
MEV         MB          MB          
------------------------------------
    9.04       53.8         2.0     
    9.17       56.2         2.0     
    9.29       61.          2.      
    9.42       64.7         3.0     
    9.54       69.8         3.0     
 ..........  ..........  .......... 
   19.54      169.1        11.0     
   19.67      182.0         9.3     
   19.79      119.5         8.8     
   19.92      212.2         9.3     
   20.04       99.3         7.4     
------------------------------------
11. DATA TABLE M0007.012
last update: 2025-07-23
Quantity given
178Hf(γ,x)1Nn cross section, Average over part of bremsstrahlung spectrum
Sample
178Hf enriched to 0.922

Thick target Hf-178 (purity: 92.2%, 29.6 g)

Detector
Boron Trifluoride neutron detector
Method
Irradiation with external beam, Single target irradiation
Analysis
Penfold-Leiss method

Cross sections were calculated from experimental yields by Penfold-Leiss method with 1.0-MeV step.

Status
Data presented by authors (Ref. A.M.Goryachev et al., Sov.J.Nucl.Phys. 26 (1977) 246)

Data presented in Fig. 2b.

History
Date Work Remark
2022-01-31 Compiled at the data center Data compiled at the MSU SINP CDFE by V.Varlamov.
2025-07-23 Unimportant alterations Corrected by V.Varlamov: DETECTOR, METHOD, ERR-ANALYS, COMMON, STATUS.
Constants 
------------
ANAL-STEP   
MEV         
------------
 1.0        
------------
Data table (only first and last 5 data points are shown) 
------------------------------------
EN          DATA        DATA-ERR    
MEV         MB          MB          
------------------------------------
    9.04       53.6         2.0     
    9.17       62.1         2.0     
    9.29       66.5         3.0     
    9.42       74.5         3.0     
    9.54       74.3         3.0     
 ..........  ..........  .......... 
   19.67      195.9        12.5     
   19.79      195.9        13.7     
   19.92       99.7         6.9     
   20.04      144.3        10.9     
   20.17      118.0        15.5     
------------------------------------
12. DATA TABLE M0007.013
last update: 2025-07-23
Quantity given
180Hf(γ,x)1Nn cross section, Average over part of bremsstrahlung spectrum
Detector
Boron Trifluoride neutron detector
Method
Irradiation with external beam, Single target irradiation
Sample
180Hf enriched to 0.943

Thick target Hf-180 (purity: 94.3%, 12.8 g)

Analysis
Penfold-Leiss method

Cross sections were calculated from experimental yields by Penfold-Leiss method with 1.0-MeV step.

Status
Data presented by authors (Ref. A.M.Goryachev et al., Sov.J.Nucl.Phys. 26 (1977) 246)

Data presented in Fig. 2c.

History
Date Work Remark
2022-01-31 Compiled at the data center Data compiled at the MSU SINP CDFE by V.Varlamov.
2025-07-23 Unimportant alterations Corrected by V.Varlamov: DETECTOR, METHOD, ERR-ANALYS, COMMON, STATUS.
Constants 
------------
ANAL-STEP   
MEV         
------------
 1.0        
------------
Data table (only first and last 5 data points are shown) 
------------------------------------
EN          DATA        DATA-ERR    
MEV         MB          MB          
------------------------------------
    9.04       56.1         2.0     
    9.17       59.5         3.0     
    9.29       62.          3.      
    9.42       69.          3.      
    9.54       77.1         4.0     
 ..........  ..........  .......... 
   19.54      207.9        12.2     
   19.67      151.3        13.5     
   19.79      211.0         7.7     
   19.92      162.1        13.7     
   20.04      145.3        11.6     
------------------------------------
13. DATA TABLE M0007.014
last update: 2025-07-23
Quantity given
176Hf(γ,2n)174Hf cross section, Average over part of bremsstrahlung spectrum
Analysis

The difference between (G,X)0-NN-1,,SIG and (G,X)0-NN-1,UNW,,SIG.

Status
Data presented by authors (Ref. A.M.Goryachev et al., Sov.J.Nucl.Phys. 26 (1977) 246)
Dependent data (See EXFOR M0007.011)
Dependent data (See EXFOR M0007.002)
History
Date Work Remark
2025-07-22 Data received at the data center Data were received from G.N.Zalesnyi, e-mail: gnzal1945@gmail.com
2025-07-23 Compiled at the data center Data were compiled at the MSU SINP CDFE by V.Varlamov.
Data table (only first and last 5 data points are shown) 
------------------------------------
EN          DATA        DATA-ERR    
MEV         MB          MB          
------------------------------------
    14.92       1.4                 
    15.04      10.5                 
    15.17      23.7        1.0      
    15.29      37.1        1.0      
    15.42      55.3        2.0      
 ..........  ..........  .......... 
    19.54      68.8        6.0      
    19.67      70.4        5.0      
    19.79      51.0        6.0      
    19.92      47.0        6.0      
    20.04      52.8        5.0      
------------------------------------
14. DATA TABLE M0007.015
last update: 2025-07-23
Quantity given
178Hf(γ,2n)176Hf cross section, Average over part of bremsstrahlung spectrum
Analysis

The difference between (G,X)0-NN-1,,SIG and (G,X)0-NN-1,UNW,,SIG.

Status
Data presented by authors (Ref. A.M.Goryachev et al., Sov.J.Nucl.Phys. 26 (1977) 246)
Dependent data (See EXFOR M0007.012)
Dependent data (See EXFOR M0007.003)
History
Date Work Remark
2025-07-22 Data received at the data center Data were received from G.N.Zalesnyi, e-mail: gnzal1945@gmail.com
2025-07-23 Compiled at the data center Data were compiled at the MSU SINP CDFE by V.Varlamov.
Data table (only first and last 5 data points are shown) 
------------------------------------
EN          DATA        DATA-ERR    
MEV         MB          MB          
------------------------------------
     14.17       2.2         1.0    
     14.29      11.4         1.0    
     14.42      25.3         2.0    
     14.54      41.6         2.0    
     14.67      52.7         3.0    
 ..........  ..........  .......... 
     19.54      53.2         8.0    
     19.67      79.4         8.0    
     19.79      38.2         8.0    
     19.92      79.2         9.0    
     20.04      42.9        10.0    
------------------------------------
15. DATA TABLE M0007.016
last update: 2025-07-23
Quantity given
180Hf(γ,2n)178Hf cross section, Average over part of bremsstrahlung spectrum
Status
Data presented by authors (Ref. A.M.Goryachev et al., Sov.J.Nucl.Phys. 26 (1977) 246)
Dependent data (See EXFOR M0007.013)
Dependent data (See EXFOR M0007.004)
Analysis

The difference between (G,X)0-NN-1,,SIG and (G,X)0-NN-1,UNW,,SIG.

History
Date Work Remark
2025-07-22 Data received at the data center Data were received from G.N.Zalesnyi, e-mail: gnzal1945@gmail.com
2025-07-23 Compiled at the data center Data were compiled at the MSU SINP CDFE by V.Varlamov.
Data table (only first and last 5 data points are shown) 
------------------------------------
EN          DATA        DATA-ERR    
MEV         MB          MB          
------------------------------------
     13.54        6.8       1.0     
     13.67       18.1       1.0     
     13.79       32.9       2.0     
     13.92       42.8       3.0     
     14.04       58.6       3.0     
 ..........  ..........  .......... 
     19.54       59.4       7.0     
     19.67       85.4       7.0     
     19.79       31.9       7.0     
     19.92       65.6       7.0     
     20.04       20.3       8.0     
------------------------------------
16. DATA TABLE M0007.017
last update: 2025-07-23
Quantity given
176Hf(γ,n)175Hf cross section, Average over part of bremsstrahlung spectrum
Status
Data presented by authors (Ref. A.M.Goryachev et al., Sov.J.Nucl.Phys. 26 (1977) 246)
Dependent data (See EXFOR M0007.002)
Dependent data (See EXFOR M0007.014)
Analysis

The difference between (G,X)0-NN-1,UNW,SIG and (72-HF-176(G,2N)72-HF-174,,SIG.

History
Date Work Remark
2025-07-22 Data received at the data center Data were received from G.N.Zalesnyi, e-mail: gnzal1945@gmail.com
2025-07-23 Compiled at the data center Data were compiled at the MSU SINP CDFE by V.Varlamov.
Data table (only first and last 5 data points are shown) 
------------------------------------
EN          DATA        DATA-ERR    
MEV         MB          MB          
------------------------------------
     9.04        53.8       2.0     
     9.17        56.2       2.0     
     9.29        61.0       2.0     
     9.42        64.7       2.0     
     9.54        69.8       3.0     
 ..........  ..........  .......... 
    19.54        33.8       3.0     
    19.67        34.5       3.0     
    19.79        24.7       3.0     
    19.92        23.0       3.0     
    20.04        25.3       3.0     
------------------------------------
17. DATA TABLE M0007.018
last update: 2025-07-23
Quantity given
178Hf(γ,n)177Hf cross section, Average over part of bremsstrahlung spectrum
Status
Data presented by authors (Ref. A.M.Goryachev et al., Sov.J.Nucl.Phys. 26 (1977) 246)
Dependent data (See EXFOR M0007.003)
Dependent data (See EXFOR M0007.015)
Analysis

The difference between (G,X)0-NN-1,UNW,SIG and (72-HF-178(G,2N)72-HF-176,,SIG.

History
Date Work Remark
2025-07-22 Data received at the data center Data were received from G.N.Zalesnyi, e-mail: gnzal1945@gmail.com
2025-07-23 Compiled at the data center Data were compiled at the MSU SINP CDFE by V.Varlamov.
Data table (only first and last 5 data points are shown) 
------------------------------------
EN          DATA        DATA-ERR    
MEV         MB          MB          
------------------------------------
    9.04        53.6       2.0      
    9.17        62.1       2.0      
    9.29        66.5       3.0      
    9.42        74.5       3.0      
    9.54        74.3       3.0      
 ..........  ..........  .......... 
   19.54        25.4       4.0      
   19.67        38.0       4.0      
   19.79        18.3       4.0      
   19.92        37.6       4.0      
   20.04        20.3       4.0      
------------------------------------
18. DATA TABLE M0007.019
last update: 2025-07-23
Quantity given
180Hf(γ,n)179Hf cross section, Average over part of bremsstrahlung spectrum
Status
Data presented by authors (Ref. A.M.Goryachev et al., Sov.J.Nucl.Phys. 26 (1977) 246)
Dependent data (See EXFOR M0007.004)
Dependent data (See EXFOR M0007.016)
Analysis

The difference between (G,X)0-NN-1,UNW,SIG and (72-HF-176(G,2N)72-HF-174,,SIG.

History
Date Work Remark
2025-07-22 Data received at the data center Data were received from G.N.Zalesnyi, e-mail: gnzal1945@gmail.com
2025-07-23 Compiled at the data center Data were compiled at the MSU SINP CDFE by V.Varlamov.
Data table (only first and last 5 data points are shown) 
------------------------------------
EN          DATA        DATA-ERR    
MEV         MB          MB          
------------------------------------
    9.04        56.1        2.0     
    9.17        59.5        3.0     
    9.29        62.0        3.0     
    9.42        69.0        3.0     
    9.54        77.1        4.0     
 ..........  ..........  .......... 
   19.54        28.2        4.0     
   19.67        40.4        4.0     
   19.79        15.3        4.0     
   19.92        31.0        4.0     
   20.04         9.4        4.0     
------------------------------------