EMC Effect of Tritium and Helium-3 from the JLab MARATHON Experiment

Jefferson Lab Hall A Tritium Collaboration

doi:10.1103/31xz-s84d

EMC Effect of Tritium and Helium-3 from the JLab MARATHON Experiment

Jefferson Lab Hall A Tritium Collaboration

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Abstract

Measurements of the EMC effect in the tritium and helium-3 mirror nuclei are reported. The data were obtained by the MARATHON Jefferson Lab experiment, which performed deep inelastic electron scattering from deuterium and the three-body nuclei, using a cryogenic gas target system and the high resolution spectrometers of the Hall A Facility of the Lab. The data cover the Bjorken x range from 0.20 to 0.83, corresponding to a squared four-momentum transfer Q2 range from 2.7 to 11.9 (GeV/c)2, and to an invariant mass W of the final hadronic state greater than 1.84 GeV/c2. The tritium EMC effect measurement is the first of its kind. The MARATHON experimental results are compared to results from previous measurements by DESY-HERMES and JLab-Hall C experiments, as well as with few-body theoretical predictions.

Original language	English
Article number	062502
Journal	Physical Review Letters
Volume	135
Issue number	6
DOIs	https://doi.org/10.1103/31xz-s84d
State	Published - 8 Aug 2025
Externally published	Yes

ASJC Scopus subject areas

General Physics and Astronomy

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10.1103/31xz-s84d

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@article{9dfaac484e504162af134f88277b713b,

title = "EMC Effect of Tritium and Helium-3 from the JLab MARATHON Experiment",

abstract = "Measurements of the EMC effect in the tritium and helium-3 mirror nuclei are reported. The data were obtained by the MARATHON Jefferson Lab experiment, which performed deep inelastic electron scattering from deuterium and the three-body nuclei, using a cryogenic gas target system and the high resolution spectrometers of the Hall A Facility of the Lab. The data cover the Bjorken x range from 0.20 to 0.83, corresponding to a squared four-momentum transfer Q2 range from 2.7 to 11.9 (GeV/c)2, and to an invariant mass W of the final hadronic state greater than 1.84 GeV/c2. The tritium EMC effect measurement is the first of its kind. The MARATHON experimental results are compared to results from previous measurements by DESY-HERMES and JLab-Hall C experiments, as well as with few-body theoretical predictions.",

author = "\{Jefferson Lab Hall A Tritium Collaboration\} and D. Abrams and H. Albataineh and Aljawrneh, \{B. S.\} and S. Alsalmi and D. Androic and K. Aniol and W. Armstrong and J. Arrington and H. Atac and T. Averett and \{Ayerbe Gayoso\}, C. and X. Bai and J. Bane and S. Barcus and A. Beck and V. Bellini and H. Bhatt and D. Bhetuwal and D. Biswas and D. Blyth and W. Boeglin and D. Bulumulla and J. Butler and A. Camsonne and M. Carmignotto and J. Castellanos and Chen, \{J. P.\} and Clo{\"e}t, \{I. C.\} and Cohen, \{E. O.\} and S. Covrig and K. Craycraft and R. Cruz-Torres and B. Dongwi and B. Duran and D. Dutta and N. Fomin and E. Fuchey and C. Gal and Gautam, \{T. N.\} and S. Gilad and K. Gnanvo and T. Gogami and J. Gomez and C. Gu and A. Habarakada and T. Hague and Hansen, \{J. O.\} and M. Hattawy and F. Hauenstein and I. Korover",

note = "Publisher Copyright: {\textcopyright} 2025 American Physical Society.",

year = "2025",

month = aug,

day = "8",

doi = "10.1103/31xz-s84d",

language = "English",

volume = "135",

journal = "Physical Review Letters",

issn = "0031-9007",

publisher = "American Physical Society",

number = "6",

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TY - JOUR

T1 - EMC Effect of Tritium and Helium-3 from the JLab MARATHON Experiment

AU - Jefferson Lab Hall A Tritium Collaboration

AU - Abrams, D.

AU - Albataineh, H.

AU - Aljawrneh, B. S.

AU - Alsalmi, S.

AU - Androic, D.

AU - Aniol, K.

AU - Armstrong, W.

AU - Arrington, J.

AU - Atac, H.

AU - Averett, T.

AU - Ayerbe Gayoso, C.

AU - Bai, X.

AU - Bane, J.

AU - Barcus, S.

AU - Beck, A.

AU - Bellini, V.

AU - Bhatt, H.

AU - Bhetuwal, D.

AU - Biswas, D.

AU - Blyth, D.

AU - Boeglin, W.

AU - Bulumulla, D.

AU - Butler, J.

AU - Camsonne, A.

AU - Carmignotto, M.

AU - Castellanos, J.

AU - Chen, J. P.

AU - Cloët, I. C.

AU - Cohen, E. O.

AU - Covrig, S.

AU - Craycraft, K.

AU - Cruz-Torres, R.

AU - Dongwi, B.

AU - Duran, B.

AU - Dutta, D.

AU - Fomin, N.

AU - Fuchey, E.

AU - Gal, C.

AU - Gautam, T. N.

AU - Gilad, S.

AU - Gnanvo, K.

AU - Gogami, T.

AU - Gomez, J.

AU - Gu, C.

AU - Habarakada, A.

AU - Hague, T.

AU - Hansen, J. O.

AU - Hattawy, M.

AU - Hauenstein, F.

AU - Korover, I.

PY - 2025/8/8

Y1 - 2025/8/8

N2 - Measurements of the EMC effect in the tritium and helium-3 mirror nuclei are reported. The data were obtained by the MARATHON Jefferson Lab experiment, which performed deep inelastic electron scattering from deuterium and the three-body nuclei, using a cryogenic gas target system and the high resolution spectrometers of the Hall A Facility of the Lab. The data cover the Bjorken x range from 0.20 to 0.83, corresponding to a squared four-momentum transfer Q2 range from 2.7 to 11.9 (GeV/c)2, and to an invariant mass W of the final hadronic state greater than 1.84 GeV/c2. The tritium EMC effect measurement is the first of its kind. The MARATHON experimental results are compared to results from previous measurements by DESY-HERMES and JLab-Hall C experiments, as well as with few-body theoretical predictions.

AB - Measurements of the EMC effect in the tritium and helium-3 mirror nuclei are reported. The data were obtained by the MARATHON Jefferson Lab experiment, which performed deep inelastic electron scattering from deuterium and the three-body nuclei, using a cryogenic gas target system and the high resolution spectrometers of the Hall A Facility of the Lab. The data cover the Bjorken x range from 0.20 to 0.83, corresponding to a squared four-momentum transfer Q2 range from 2.7 to 11.9 (GeV/c)2, and to an invariant mass W of the final hadronic state greater than 1.84 GeV/c2. The tritium EMC effect measurement is the first of its kind. The MARATHON experimental results are compared to results from previous measurements by DESY-HERMES and JLab-Hall C experiments, as well as with few-body theoretical predictions.

UR - https://www.scopus.com/pages/publications/105015384761

U2 - 10.1103/31xz-s84d

DO - 10.1103/31xz-s84d

M3 - Article

C2 - 40864939

AN - SCOPUS:105015384761

SN - 0031-9007

VL - 135

JO - Physical Review Letters

JF - Physical Review Letters

IS - 6

M1 - 062502

ER -

EMC Effect of Tritium and Helium-3 from the JLab MARATHON Experiment

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