General Info
| Field | Value |
|---|---|
| Experiment Number | e884_23 |
| Title | Impact of projectile-target size asymmetry on the isospin equilibration rate extracted from quasiprojectile breakup reactions |
| Spokeperson(s) |
Caterina, Ciampi
John, Frankland
|
| Data Manager(s) |
Diego, Gruyer
John, Frankland
|
| GANIL Scientific Coordinator | |
| Collection Dates (dd-mm-yy) |
Start: 15-06-2025 End: 17-06-2025 |
| End of Embargo | 17-06-2028 |
| DOI | 10.26143/ganil-2025-e884_23 |
| DOI State | registered |
| Publication Year | 2025 |
| Publisher | GANIL, Large Heavy Ion National Accelerator, Caen, France |
| Data Curator |
Grand Accélérateur National d'Ions Lourds, Caen, France
|
| Hosting Institution |
(CC-IN2P3) IN2P3’s Computing Centre, Villeurbanne, France
|
| Size | 8.76 TB |
Experiment details
Abstract
The experiment investigates the isospin transport mechanisms in quasi projectile (QP) binary breakup events in semi peripheral heavy ion collisions at Fermi energies (35 MeV/u), focusing on the isospin equilibration taking place inside the deformed QP* prior to its breakup. The isospin content of the two daughter nuclei will be correlated to breakup characteristics such as the angular alignment of the two fragments, in order to extract the information on the fission timescale and hence on the rate of the isospin equilibration. By employing the same 70Zn projectile impinging on three targets (27Al, 70Zn, 209Bi), significantly different both in size and isospin composition, we aim to probe to what extent the evolution towards isospin equilibration inside the deformed QP* depends on the preceding step of the reaction, in view of clarifying contrasting results found in the literature. The identification performance of the INDRA-FAZIA apparatus will allow for the mass identification of both breakup fragments in most QP breakup events, and its large angular coverage will at the same time provide good global characterization of the reactions, which was not achieved in most previous studies.
Setup
| Setup | INDRA (14°-176°) - FAZIA (1.5°-12.5°) |
|---|
Beam(s)
| Ion(s) | Charge state | Energy | Energy unit | Av. intensity | Intensity unit | Purity (%) | Accelerator | Production |
|---|---|---|---|---|---|---|---|---|
| 70Zn | 27+ | 34.8 | MeV/u | 1.e+7 | pps | 100 | Stable | Cyclotrons |
| 70Zn | 27+ | 34.6 | MeV/u | 1.e+7 | pps | 100 | Stable | Cyclotrons |
| 12C | 6+ | 13.7 | MeV/u | 1.e+7 | pps | 100 | Stable | Cyclotrons |
Target(s)
| Material | Thickness | Thickness unit | Sample phase | Type |
|---|---|---|---|---|
| 197Au | 0.300 | mg/cm2 | Solid | Isotope |
| 70Zn | 0.200 | mg/cm2 | Solid | Isotope |
| 209Bi | 0.290 | mg/cm2 | Solid | Isotope |
| 27Al | 0.210 | mg/cm2 | Solid | Isotope |
| CH2 | 0.260 | mg/cm2 | Solid | Compound |
| 12C | 0.200 | mg/cm2 | Solid | Isotope |
Studied reaction(s)
| Name | Projectile | Target |
|---|---|---|
| 70Zn (34.8 MeV/u, q=27+, I=1.e+7 pps) + 197Au (0.300 mg/cm2) | 70Zn(27+) @ 34.8 MeV/u | 197Au (0.300 mg/cm2) |
| 70Zn (34.8 MeV/u, q=27+, I=1.e+7 pps) + 70Zn (0.300 mg/cm2) | 70Zn(27+) @ 34.8 MeV/u | 70Zn (0.300 mg/cm2) |
| 70Zn (34.6 MeV/u, q=27+, I=1.e+7 pps) + 70Zn (0.300 mg/cm2) | 70Zn(27+) @ 34.6 MeV/u | 70Zn (0.300 mg/cm2) |
| 70Zn (34.6 MeV/u, q=27+, I=1.e+7 pps) + 197Au (0.300 mg/cm2) | 70Zn(27+) @ 34.6 MeV/u | 197Au (0.300 mg/cm2) |
| 70Zn (34.6 MeV/u, q=27+, I=1.e+7 pps) + 209Bi (0.290 mg/cm2) | 70Zn(27+) @ 34.6 MeV/u | 209Bi (0.290 mg/cm2) |
| 70Zn (34.6 MeV/u, q=27+, I=1.e+7 pps) + 27Al (0.260 mg/cm2) | 70Zn(27+) @ 34.6 MeV/u | 27Al (0.260 mg/cm2) |
| 70Zn (34.6 MeV/u, q=27+, I=1.e+7 pps) + CH2 (0.300 mg/cm2) | 70Zn(27+) @ 34.6 MeV/u | CH2 (0.300 mg/cm2) |
| 70Zn (34.6 MeV/u, q=27+, I=1.e+7 pps) + 12C (0.200 mg/cm2) | 70Zn(27+) @ 34.6 MeV/u | 12C (0.200 mg/cm2) |
| 12C (13.7 MeV/u, q=6+, I=1.e+7 pps) + 197Au (0.300 mg/cm2) | 12C(6+) @ 13.7 MeV/u | 197Au (0.300 mg/cm2) |
| 12C (13.7 MeV/u, q=6+, I=1.e+7 pps) + 70Zn (0.300 mg/cm2) | 12C(6+) @ 13.7 MeV/u | 70Zn (0.300 mg/cm2) |
Contributors
| Given Name | Family Name | Id. | Affiliation(s) |
|---|---|---|---|
| Lucia | Baldesi |
|
(INFN-FI) National Institute for Nuclear Physics, Florence Division, Sesto Fiorentino, Italy
University of Florence, Florence, Italy
|
| Sandro | Barlini |
|
University of Florence, Florence, Italy
|
| Eric | Bonnet |
|
(SUBATECH) Laboratoire de Physique Subatomique et des Technologies Associées, Nantes, France
|
| Bernard | Borderie |
|
Laboratory of the Physics of the Two Infinities Irène Joliot-Curie, Orsay, France
|
| Rémi | Bougault |
|
(LPC CAEN) Laboratoire de Physique Corpusculaire de Caen, Caen, France
(ENSICAEN) École Nationale Supérieure d'Ingénieurs de Caen, Caen, France
|
| Alberto | Camaiani |
|
University of Florence, Florence, Italy
(INFN-FI) National Institute for Nuclear Physics, Florence Division, Sesto Fiorentino, Italy
|
| Giovanni | Casini |
(INFN-FI) National Institute for Nuclear Physics, Florence Division, Sesto Fiorentino, Italy
|
|
| Abdelouahed | Chbihi |
|
Grand Accélérateur National d'Ions Lourds, Caen, France
|
| Caterina | Ciampi |
|
Grand Accélérateur National d'Ions Lourds, Caen, France
|
| José Antonio | Dueñas Díaz |
|
(UHU) University of Huelva, Huelva, Spain
|
| Quentin | Fable |
|
Grand Accélérateur National d'Ions Lourds, Caen, France
(L2IT) Laboratoire des 2 Infinis Toulouse, Toulouse, France
|
| John | Frankland |
|
Grand Accélérateur National d'Ions Lourds, Caen, France
|
| Diego | Gruyer |
|
(LPC CAEN) Laboratoire de Physique Corpusculaire de Caen, Caen, France
Institut National de Physique Nucléaire et de Physique des Particules, Paris, France
(UNICAEN) University of Caen Normandy, Caen, France
(ENSICAEN) École Nationale Supérieure d'Ingénieurs de Caen, Caen, France
|
| Maxime | Henri |
|
Institut national des sciences et techniques nucléaires, Gif-sur-Yvette, France
Grand Accélérateur National d'Ions Lourds, Caen, France
|
| Byungsik | Hong |
|
Korea University, Department of Physics, Seoul, Republic of Korea
|
| Sunji | Kim |
(IBS) Institute for Basic Science, Daejeon, South Korea
|
|
| Min Jung | Kweon |
Inha University, Incheon, South Korea
|
|
| Nicolas | Le Neindre |
|
(LPC CAEN) Laboratoire de Physique Corpusculaire de Caen, Caen, France
Institut National de Physique Nucléaire et de Physique des Particules, Paris, France
(UNICAEN) University of Caen Normandy, Caen, France
(ENSICAEN) École Nationale Supérieure d'Ingénieurs de Caen, Caen, France
|
| Ivano | Lombardo |
|
(INFN-CT) National Institute for Nuclear Physics, Catania Division, Catania, Italy
|
| Olivier | Lopez |
|
(LPC CAEN) Laboratoire de Physique Corpusculaire de Caen, Caen, France
|
| Katarzyna | Mazurek |
|
Institute of Nuclear Physics, Polish Academy of Sciences, Krakow, Poland
|
| Marian | Parlog |
|
(LPC CAEN) Laboratoire de Physique Corpusculaire de Caen, Caen, France
|
| Gabriele | Pasquali |
|
University of Florence, Florence, Italy
(INFN-FI) National Institute for Nuclear Physics, Florence Division, Sesto Fiorentino, Italy
|
| Maria Grazia | Pellegriti |
|
(INFN-CT) National Institute for Nuclear Physics, Catania Division, Catania, Italy
|
| Silvia | Piantelli |
|
(INFN-FI) National Institute for Nuclear Physics, Florence Division, Sesto Fiorentino, Italy
|
| Giacomo | Poggi |
|
(INFN-FI) National Institute for Nuclear Physics, Florence Division, Sesto Fiorentino, Italy
|
| Alex | Rebillard-Soulié |
|
(UNICAEN) University of Caen Normandy, Caen, France
(ENSICAEN) École Nationale Supérieure d'Ingénieurs de Caen, Caen, France
(LPC CAEN) Laboratoire de Physique Corpusculaire de Caen, Caen, France
|
| Simone | Valdre' |
|
(INFN-FI) National Institute for Nuclear Physics, Florence Division, Sesto Fiorentino, Italy
|
| Giuseppe | Verde |
|
(INFN-CT) National Institute for Nuclear Physics, Catania Division, Catania, Italy
|
| Emmanuel | Vient |
|
(UNICAEN) University of Caen Normandy, Caen, France
(LPC CAEN) Laboratoire de Physique Corpusculaire de Caen, Caen, France
(ENSICAEN) École Nationale Supérieure d'Ingénieurs de Caen, Caen, France
Institut National de Physique Nucléaire et de Physique des Particules, Paris, France
|
| Tomasz | Kozik |
Jagiellonian University, Krakow, Poland
|
|
| Tommaso | Marchi |
|
(INFN-LNL) National Institute for Nuclear Physics, Legnaro National Laboratories, Legnaro, Italy
|
| Alex | Cobo Zarzuelo |
Grand Accélérateur National d'Ions Lourds, Caen, France
|
|
| Andrea | Dallavecchia |
Grand Accélérateur National d'Ions Lourds, Caen, France
(UNIMI) University of Milan, Milan, Italy
|
|
| Andrea | De Rosa |
University of Naples Federico II, Naples, Italy
|
|
| Ilham | Dekhissi |
(LPC CAEN) Laboratoire de Physique Corpusculaire de Caen, Caen, France
(UNICAEN) University of Caen Normandy, Caen, France
|
|
| Daniele | Dell'Aquila |
University of Naples Federico II, Naples, Italy
|
|
| Jean-Eric | Ducret |
Grand Accélérateur National d'Ions Lourds, Caen, France
|
|
| Antoine | Lemasson |
Grand Accélérateur National d'Ions Lourds, Caen, France
|
|
| Gabriella | Naddeo |
University of Naples Federico II, Naples, Italy
|
|
| Antonin | Valente |
(LPC CAEN) Laboratoire de Physique Corpusculaire de Caen, Caen, France
(UNICAEN) University of Caen Normandy, Caen, France
|
Institutes
| Name | Id. |
|---|---|
| (LPC CAEN) Laboratoire de Physique Corpusculaire de Caen, Caen, France |
|
| (UNICAEN) University of Caen Normandy, Caen, France |
|
| (ENSICAEN) École Nationale Supérieure d'Ingénieurs de Caen, Caen, France |
|
| Institut National de Physique Nucléaire et de Physique des Particules, Paris, France |
|
| University of Naples Federico II, Naples, Italy |
|
| (INFN-FI) National Institute for Nuclear Physics, Florence Division, Sesto Fiorentino, Italy |
|
| University of Florence, Florence, Italy |
|
| (USC) University of Santiago de Compostela, Santiago de Compostela, Spain |
|
| (SUBATECH) Laboratoire de Physique Subatomique et des Technologies Associées, Nantes, France |
|
| Laboratory of the Physics of the Two Infinities Irène Joliot-Curie, Orsay, France |
|
| Grand Accélérateur National d'Ions Lourds, Caen, France |
|
| (UHU) University of Huelva, Huelva, Spain |
|
| (L2IT) Laboratoire des 2 Infinis Toulouse, Toulouse, France |
|
| (INFN-LNL) National Institute for Nuclear Physics, Legnaro National Laboratories, Legnaro, Italy |
|
| Korea University, Department of Physics, Seoul, Republic of Korea |
|
| (IBS) Institute for Basic Science, Daejeon, South Korea |
|
| Inha University, Incheon, South Korea |
|
| (INFN-CT) National Institute for Nuclear Physics, Catania Division, Catania, Italy |
|
| Institute of Nuclear Physics, Polish Academy of Sciences, Krakow, Poland |
|
| Institut national des sciences et techniques nucléaires, Gif-sur-Yvette, France |
|
| Jagiellonian University, Krakow, Poland |
|
| (UNIMI) University of Milan, Milan, Italy |
|