Speaker
Dr
Guillaume Hupin
(CEA)
Description
Advances in the fundamental description of the interaction among nucleons in many-body techniques and in scientific computing have opened new avenues for modeling low-energy light-ion structure and reactions on an equal footing. Starting from chiral effective interactions, which provide a systematic and improvable scheme based on the underlying theory of QCD, and equipped with an *ab initio* method, we are now able to arrive at accurate evaluations of crucial reaction data for nuclear astrophysics, fusion-energy research, and other applications, and, further provide a realistic description of reactions involving exotic nuclei. I will present in this talk the No-Core Shell Model with Continuum formalism [1], which combines square-integrable $A$-nucleon eigenstates and continuous binary and ternary cluster states [2,3]. This method can accurately describe reactions in systems with more than four nucleons starting from two- and three-nucleon interactions. I will briefly review the physics cases recently unraveled by the method such as the impact of three-nucleon forces on low-energy structure and reactions. I will illustrate the method with the most comprehensive study of the $A{=}5$ and $A{=}6$ continuum ($N$-$^4$He and $d$-$^4$He elastic collisions [4,5] and the $d(t,\alpha)n$ transfer channels [6]). Finally, I will show the importance of the three-nucleon force for the description of nuclei close to the drip line, which will be exemplified with the differential cross-section of $^{10}$C$(p,p)^{10}$C.
1. S. Baroni, P. Navrátil and S. Quaglioni [Phys. Rev. Lett. **110**, 022505 (2013)][1]; [Phys. Rev. C **87**, 034326 (2013)][2].
2. S. Quaglioni and P. Navrátil, [Phys. Rev. Lett. **101**, 092501 (2008)][3]; [Phys. Rev. C **79**, 044606 (2009)][4].
3. S. Quaglioni, C. Romero-Redondo and P. Navrátil, [Phys. Rev. C **88**, 034320][5]; C. Romero-Redondo, S. Quaglioni, P. Navrátil and G. Hupin, [Phys. Rev. Lett. **113**, 032503 (2014)][6]
4. G. Hupin, J. Langhammer, P. Navrátil, S. Quaglioni, A. Calci and R. Roth, [Phys. Rev. C **88**, 054622 (2013)][7]; G. Hupin, S. Quaglioni, and P. Navrátil, [Phys. Rev. C **90**, 061601 (2014)][8]
5. G. Hupin, S. Quaglioni, and P. Navrátil, [Phys. Rev. Lett. **114**, 212502 (2015)][9].
6. P. Navrátil and S. Quaglioni, [Phys. Rev. Lett. **108**, 042503][10]
[1]: http://dx.doi.org/10.1103/PhysRevLett.110.022505
[2]: http://dx.doi.org/10.1103/PhysRevC.87.034326
[3]: http://dx.doi.org/10.1103/PhysRevLett.101.092501
[4]: http://dx.doi.org/10.1103/PhysRevC.76.064316
[5]: http://link.aps.org/doi/10.1103/PhysRevC.88.034320
[6]: http://link.aps.org/doi/10.1103/PhysRevLett.113.032503
[7]: http://dx.doi.org/10.1103/PhysRevC.88.054622
[8]: http://dx.doi.org/10.1103/PhysRevC.90.061601
[9]: http://link.aps.org/doi/10.1103/PhysRevLett.114.212502
[10]: http://link.aps.org/doi/10.1103/PhysRevLett.108.042503
Primary author
Dr
Guillaume Hupin
(CEA)
