# A collision history-based approach to Sensitivity/Perturbation calculations in the continuous energy Monte Carlo code SERPENT

## Abstract

In this work, the implementation of a collision history-based approach to sensitivity/perturbation calculations in the Monte Carlo code SERPENT is discussed. The proposed methods allow the calculation of the eects of nuclear data perturbation on several response functions: the eective multiplication factor, reaction rate ratios and bilinear ratios (e.g., eective kinetics parameters). SERPENT results are compared to ERANOS and TSUNAMI Generalized Perturbation Theory calculations for two fast metallic systems and for a PWR pin-cell benchmark. New methods for the calculation of sensitivities to angular scattering distributions are also presented, which adopts fully continuous (in energy and angle) Monte Carlo estimators.

- Authors:

- Publication Date:

- Research Org.:
- Idaho National Lab. (INL), Idaho Falls, ID (United States)

- Sponsoring Org.:
- DOE - NE

- OSTI Identifier:
- 1213629

- Report Number(s):
- INL/JOU-15-34401

- DOE Contract Number:
- DE-AC07-05ID14517

- Resource Type:
- Journal Article

- Journal Name:
- Annals of Nuclear Energy

- Additional Journal Information:
- Journal Volume: 85

- Country of Publication:
- United States

- Language:
- English

- Subject:
- 97 MATHEMATICS AND COMPUTING; Monte Carlo; Sensitivity/Perturbation calculations; SERPENT

### Citation Formats

```
Giuseppe Palmiotti.
```*A collision history-based approach to Sensitivity/Perturbation calculations in the continuous energy Monte Carlo code SERPENT*. United States: N. p., 2015.
Web.

```
Giuseppe Palmiotti.
```*A collision history-based approach to Sensitivity/Perturbation calculations in the continuous energy Monte Carlo code SERPENT*. United States.

```
Giuseppe Palmiotti. Fri .
"A collision history-based approach to Sensitivity/Perturbation calculations in the continuous energy Monte Carlo code SERPENT". United States.
```

```
@article{osti_1213629,
```

title = {A collision history-based approach to Sensitivity/Perturbation calculations in the continuous energy Monte Carlo code SERPENT},

author = {Giuseppe Palmiotti},

abstractNote = {In this work, the implementation of a collision history-based approach to sensitivity/perturbation calculations in the Monte Carlo code SERPENT is discussed. The proposed methods allow the calculation of the eects of nuclear data perturbation on several response functions: the eective multiplication factor, reaction rate ratios and bilinear ratios (e.g., eective kinetics parameters). SERPENT results are compared to ERANOS and TSUNAMI Generalized Perturbation Theory calculations for two fast metallic systems and for a PWR pin-cell benchmark. New methods for the calculation of sensitivities to angular scattering distributions are also presented, which adopts fully continuous (in energy and angle) Monte Carlo estimators.},

doi = {},

journal = {Annals of Nuclear Energy},

number = ,

volume = 85,

place = {United States},

year = {2015},

month = {5}

}

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