Revealing the short-range structure of the mirror nuclei 3H and 3He
S. Li,
R. Cruz-Torres,
N. Santiesteban,
Z. H. Ye,
D. Abrams,
S. Alsalmi,
D. Androic,
K. Aniol,
J. Arrington (),
T. Averett,
C. Ayerbe Gayoso,
J. Bane,
S. Barcus,
J. Barrow,
A. Beck,
V. Bellini,
H. Bhatt,
D. Bhetuwal,
D. Biswas,
D. Bulumulla,
A. Camsonne,
J. Castellanos,
J. Chen,
J.-P. Chen,
D. Chrisman,
M. E. Christy,
C. Clarke,
S. Covrig,
K. Craycraft,
D. Day,
D. Dutta,
E. Fuchey,
C. Gal,
F. Garibaldi,
T. N. Gautam,
T. Gogami,
J. Gomez,
P. Guèye,
A. Habarakada,
T. J. Hague,
J. O. Hansen,
F. Hauenstein,
W. Henry,
D. W. Higinbotham,
R. J. Holt,
C. Hyde,
T. Itabashi,
M. Kaneta,
A. Karki,
A. T. Katramatou,
C. E. Keppel,
M. Khachatryan,
V. Khachatryan,
P. M. King,
I. Korover,
L. Kurbany,
T. Kutz,
N. Lashley-Colthirst,
W. B. Li,
H. Liu,
N. Liyanage,
E. Long,
J. Mammei,
P. Markowitz,
R. E. McClellan,
F. Meddi,
D. Meekins,
S. Mey-Tal Beck,
R. Michaels,
M. Mihovilovič,
A. Moyer,
S. Nagao,
V. Nelyubin,
D. Nguyen,
M. Nycz,
M. Olson,
L. Ou,
V. Owen,
C. Palatchi,
B. Pandey,
A. Papadopoulou,
S. Park,
S. Paul,
T. Petkovic,
R. Pomatsalyuk,
S. Premathilake,
V. Punjabi,
R. D. Ransome,
P. E. Reimer,
J. Reinhold,
S. Riordan,
J. Roche,
V. M. Rodriguez,
A. Schmidt,
B. Schmookler,
E. P. Segarra,
A. Shahinyan,
K. Slifer,
P. Solvignon,
S. Širca,
Thanh Su,
R. Suleiman,
H. Szumila-Vance,
L. Tang,
Y. Tian,
W. Tireman,
F. Tortorici,
Y. Toyama,
K. Uehara,
G. M. Urciuoli,
D. Votaw,
J. Williamson,
B. Wojtsekhowski,
S. Wood,
J. Zhang and
X. Zheng
Additional contact information
S. Li: University of New Hampshire
R. Cruz-Torres: Lawrence Berkeley National Laboratory
N. Santiesteban: University of New Hampshire
Z. H. Ye: Tsinghua University
D. Abrams: University of Virginia
S. Alsalmi: Kent State University
D. Androic: University of Zagreb
K. Aniol: California State University
J. Arrington: Lawrence Berkeley National Laboratory
T. Averett: The College of William and Mary
C. Ayerbe Gayoso: The College of William and Mary
J. Bane: University of Tennessee
S. Barcus: The College of William and Mary
J. Barrow: University of Tennessee
A. Beck: Massachusetts Institute of Technology
V. Bellini: INFN Sezione di Catania
H. Bhatt: Mississippi State University
D. Bhetuwal: Mississippi State University
D. Biswas: Hampton University
D. Bulumulla: Old Dominion University
A. Camsonne: Thomas Jefferson National Accelerator Facility
J. Castellanos: Florida International University
J. Chen: The College of William and Mary
J.-P. Chen: Thomas Jefferson National Accelerator Facility
D. Chrisman: Michigan State University
M. E. Christy: Hampton University
C. Clarke: Stony Brook, State University of New York
S. Covrig: Thomas Jefferson National Accelerator Facility
K. Craycraft: University of Tennessee
D. Day: University of Virginia
D. Dutta: Mississippi State University
E. Fuchey: University of Connecticut
C. Gal: University of Virginia
F. Garibaldi: INFN
T. N. Gautam: Hampton University
T. Gogami: Tohoku University
J. Gomez: Thomas Jefferson National Accelerator Facility
P. Guèye: Hampton University
A. Habarakada: Hampton University
T. J. Hague: Kent State University
J. O. Hansen: Thomas Jefferson National Accelerator Facility
F. Hauenstein: Old Dominion University
W. Henry: Temple University
D. W. Higinbotham: Thomas Jefferson National Accelerator Facility
R. J. Holt: Argonne National Laboratory
C. Hyde: Old Dominion University
T. Itabashi: Tohoku University
M. Kaneta: Tohoku University
A. Karki: Mississippi State University
A. T. Katramatou: Kent State University
C. E. Keppel: Thomas Jefferson National Accelerator Facility
M. Khachatryan: Old Dominion University
V. Khachatryan: Stony Brook, State University of New York
P. M. King: Ohio University
I. Korover: Nuclear Research Center -Negev
L. Kurbany: University of New Hampshire
T. Kutz: Stony Brook, State University of New York
N. Lashley-Colthirst: Hampton University
W. B. Li: The College of William and Mary
H. Liu: Columbia University
N. Liyanage: University of Virginia
E. Long: University of New Hampshire
J. Mammei: University of Manitoba
P. Markowitz: Florida International University
R. E. McClellan: Thomas Jefferson National Accelerator Facility
F. Meddi: INFN
D. Meekins: Thomas Jefferson National Accelerator Facility
S. Mey-Tal Beck: Massachusetts Institute of Technology
R. Michaels: Thomas Jefferson National Accelerator Facility
M. Mihovilovič: Jožef Stefan Institute
A. Moyer: Christopher Newport University
S. Nagao: Tohoku University
V. Nelyubin: University of Virginia
D. Nguyen: University of Virginia
M. Nycz: Kent State University
M. Olson: Saint Norbert College
L. Ou: Massachusetts Institute of Technology
V. Owen: The College of William and Mary
C. Palatchi: University of Virginia
B. Pandey: Hampton University
A. Papadopoulou: Massachusetts Institute of Technology
S. Park: Stony Brook, State University of New York
S. Paul: The College of William and Mary
T. Petkovic: University of Zagreb
R. Pomatsalyuk: Institute of Physics and Technology
S. Premathilake: University of Virginia
V. Punjabi: Norfolk State University
R. D. Ransome: Rutgers University
P. E. Reimer: Argonne National Laboratory
J. Reinhold: Florida International University
S. Riordan: Argonne National Laboratory
J. Roche: Ohio University
V. M. Rodriguez: Universidad Ana G. Méndez, Recinto de Cupey
A. Schmidt: Massachusetts Institute of Technology
B. Schmookler: Massachusetts Institute of Technology
E. P. Segarra: Massachusetts Institute of Technology
A. Shahinyan: Yerevan Physics Institute
K. Slifer: University of New Hampshire
P. Solvignon: University of New Hampshire
S. Širca: Jožef Stefan Institute
R. Suleiman: Thomas Jefferson National Accelerator Facility
H. Szumila-Vance: Thomas Jefferson National Accelerator Facility
L. Tang: Thomas Jefferson National Accelerator Facility
Y. Tian: Syracuse University
W. Tireman: Northern Michigan University
F. Tortorici: INFN Sezione di Catania
Y. Toyama: Tohoku University
K. Uehara: Tohoku University
G. M. Urciuoli: INFN
D. Votaw: Michigan State University
J. Williamson: University of Glasgow
B. Wojtsekhowski: Thomas Jefferson National Accelerator Facility
S. Wood: Thomas Jefferson National Accelerator Facility
J. Zhang: University of Virginia
X. Zheng: University of Virginia
Nature, 2022, vol. 609, issue 7925, 41-45
Abstract:
Abstract When protons and neutrons (nucleons) are bound into atomic nuclei, they are close enough to feel significant attraction, or repulsion, from the strong, short-distance part of the nucleon–nucleon interaction. These strong interactions lead to hard collisions between nucleons, generating pairs of highly energetic nucleons referred to as short-range correlations (SRCs). SRCs are an important but relatively poorly understood part of nuclear structure1–3, and mapping out the strength and the isospin structure (neutron–proton (np) versus proton–proton (pp) pairs) of these virtual excitations is thus critical input for modelling a range of nuclear, particle and astrophysics measurements3–5. Two-nucleon knockout or ‘triple coincidence’ reactions have been used to measure the relative contribution of np-SRCs and pp-SRCs by knocking out a proton from the SRC and detecting its partner nucleon (proton or neutron). These measurements6–8 have shown that SRCs are almost exclusively np pairs, but they had limited statistics and required large model-dependent final-state interaction corrections. Here we report on measurements using inclusive scattering from the mirror nuclei hydrogen-3 and helium-3 to extract the np/pp ratio of SRCs in systems with a mass number of three. We obtain a measure of the np/pp SRC ratio that is an order of magnitude more precise than previous experiments, and find a marked deviation from the near-total np dominance observed in heavy nuclei. This result implies an unexpected structure in the high-momentum wavefunction for hydrogen-3 and helium-3. Understanding these results will improve our understanding of the short-range part of the nucleon–nucleon interaction.
Date: 2022
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DOI: 10.1038/s41586-022-05007-2
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