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  • American Association for the Advancement of Science (AAAS)  (1)
  • 1
    Publication Date: 2014-10-18
    Description: The atomic nucleus is composed of two different kinds of fermions: protons and neutrons. If the protons and neutrons did not interact, the Pauli exclusion principle would force the majority of fermions (usually neutrons) to have a higher average momentum. Our high-energy electron-scattering measurements using (12)C, (27)Al, (56)Fe, and (208)Pb targets show that even in heavy, neutron-rich nuclei, short-range interactions between the fermions form correlated high-momentum neutron-proton pairs. Thus, in neutron-rich nuclei, protons have a greater probability than neutrons to have momentum greater than the Fermi momentum. This finding has implications ranging from nuclear few-body systems to neutron stars and may also be observable experimentally in two-spin-state, ultracold atomic gas systems.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hen, O -- Sargsian, M -- Weinstein, L B -- Piasetzky, E -- Hakobyan, H -- Higinbotham, D W -- Braverman, M -- Brooks, W K -- Gilad, S -- Adhikari, K P -- Arrington, J -- Asryan, G -- Avakian, H -- Ball, J -- Baltzell, N A -- Battaglieri, M -- Beck, A -- May-Tal Beck, S -- Bedlinskiy, I -- Bertozzi, W -- Biselli, A -- Burkert, V D -- Cao, T -- Carman, D S -- Celentano, A -- Chandavar, S -- Colaneri, L -- Cole, P L -- Crede, V -- D'Angelo, A -- De Vita, R -- Deur, A -- Djalali, C -- Doughty, D -- Dugger, M -- Dupre, R -- Egiyan, H -- El Alaoui, A -- El Fassi, L -- Elouadrhiri, L -- Fedotov, G -- Fegan, S -- Forest, T -- Garillon, B -- Garcon, M -- Gevorgyan, N -- Ghandilyan, Y -- Gilfoyle, G P -- Girod, F X -- Goetz, J T -- Gothe, R W -- Griffioen, K A -- Guidal, M -- Guo, L -- Hafidi, K -- Hanretty, C -- Hattawy, M -- Hicks, K -- Holtrop, M -- Hyde, C E -- Ilieva, Y -- Ireland, D G -- Ishkanov, B I -- Isupov, E L -- Jiang, H -- Jo, H S -- Joo, K -- Keller, D -- Khandaker, M -- Kim, A -- Kim, W -- Klein, F J -- Koirala, S -- Korover, I -- Kuhn, S E -- Kubarovsky, V -- Lenisa, P -- Levine, W I -- Livingston, K -- Lowry, M -- Lu, H Y -- MacGregor, I J D -- Markov, N -- Mayer, M -- McKinnon, B -- Mineeva, T -- Mokeev, V -- Movsisyan, A -- Munoz Camacho, C -- Mustapha, B -- Nadel-Turonski, P -- Niccolai, S -- Niculescu, G -- Niculescu, I -- Osipenko, M -- Pappalardo, L L -- Paremuzyan, R -- Park, K -- Pasyuk, E -- Phelps, W -- Pisano, S -- Pogorelko, O -- Price, J W -- Procureur, S -- Prok, Y -- Protopopescu, D -- Puckett, A J R -- Rimal, D -- Ripani, M -- Ritchie, B G -- Rizzo, A -- Rosner, G -- Roy, P -- Rossi, P -- Sabatie, F -- Schott, D -- Schumacher, R A -- Sharabian, Y G -- Smith, G D -- Shneor, R -- Sokhan, D -- Stepanyan, S S -- Stepanyan, S -- Stoler, P -- Strauch, S -- Sytnik, V -- Taiuti, M -- Tkachenko, S -- Ungaro, M -- Vlassov, A V -- Voutier, E -- Walford, N K -- Wei, X -- Wood, M H -- Wood, S A -- Zachariou, N -- Zana, L -- Zhao, Z W -- Zheng, X -- Zonta, I -- Jefferson Lab CLAS Collaboration -- New York, N.Y. -- Science. 2014 Oct 31;346(6209):614-7. doi: 10.1126/science.1256785. Epub 2014 Oct 16.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Tel Aviv University, Tel Aviv 69978, Israel. or.chen@mail.huji.ac.il. ; Florida International University, Miami, FL 33199, USA. ; Old Dominion University, Norfolk, VA 23529, USA. ; Tel Aviv University, Tel Aviv 69978, Israel. ; Universidad Tecnica Federico Santa Maria, Casilla 110-V Valparaiso, Chile. Yerevan Physics Institute, 375036 Yerevan, Armenia. ; Thomas Jefferson National Accelerator Facility, Newport News, VA 23606, USA. ; Universidad Tecnica Federico Santa Maria, Casilla 110-V Valparaiso, Chile. ; Massachusetts Institute of Technology, Cambridge, MA 02139, USA. ; Argonne National Laboratory, Argonne, IL 60439, USA. ; Yerevan Physics Institute, 375036 Yerevan, Armenia. ; Commissariat a l'Energie Atomique et aux Energies Alternatives, Centre de Saclay, Irfu/Service de Physique Nucleaire, 91191 Gif-sur-Yvette, France. ; Istituto Nazionale di Fisica Nucleare (INFN), Sezione di Genova, 16146 Genova, Italy. ; Tel Aviv University, Tel Aviv 69978, Israel. Nuclear Research Center Negev, P.O. Box 9001, Beer-Sheva 84190, Israel. ; Institute of Theoretical and Experimental Physics, Moscow, 117259, Russia. ; Fairfield University, Fairfield, CT 06824, USA. ; University of South Carolina, Columbia, SC 29208, USA. ; Ohio University, Athens, OH 45701, USA. ; INFN, Sezione di Roma Tor Vergata, 00133 Rome, Italy. ; Thomas Jefferson National Accelerator Facility, Newport News, VA 23606, USA. Idaho State University, Pocatello, ID 83209, USA. Catholic University of America, Washington, DC 20064, USA. ; Florida State University, Tallahassee, FL 32306, USA. ; INFN, Sezione di Roma Tor Vergata, 00133 Rome, Italy. Universita di Roma Tor Vergata, 00133 Rome, Italy. ; University of South Carolina, Columbia, SC 29208, USA. University of Iowa, Iowa City, IA 52242, USA. ; Thomas Jefferson National Accelerator Facility, Newport News, VA 23606, USA. Christopher Newport University, Newport News, VA 23606, USA. ; Arizona State University, Tempe, AZ 85287-1504, USA. ; Institut de Physique Nucleaire ORSAY, Orsay, France. ; University of South Carolina, Columbia, SC 29208, USA. Skobeltsyn Institute of Nuclear Physics, Lomonosov, Russia. ; Idaho State University, Pocatello, ID 83209, USA. ; University of Richmond, Richmond, VA 23173, USA. ; College of William and Mary, Williamsburg, VA 23187-8795, USA. ; Florida International University, Miami, FL 33199, USA. Thomas Jefferson National Accelerator Facility, Newport News, VA 23606, USA. ; University of Virginia, Charlottesville, VA 22901, USA. ; University of New Hampshire, Durham, NH 03824-3568, USA. ; University of South Carolina, Columbia, SC 29208, USA. The George Washington University, Washington, DC 20052, USA. ; University of Glasgow, Glasgow G12 8QQ, UK. ; Skobeltsyn Institute of Nuclear Physics, Lomonosov, Russia. ; University of Connecticut, Storrs, CT 06269, USA. ; Idaho State University, Pocatello, ID 83209, USA. Norfolk State University, Norfolk, VA 23504, USA. ; Kyungpook National University, Daegu 702-701, Republic of Korea. ; Catholic University of America, Washington, DC 20064, USA. ; INFN, Sezione di Ferrara, 44100 Ferrara, Italy. ; Carnegie Mellon University, Pittsburgh, PA 15213, USA. ; Thomas Jefferson National Accelerator Facility, Newport News, VA 23606, USA. Institut de Physique Nucleaire ORSAY, Orsay, France. Moscow State University, Moscow, 119234, Russia. ; James Madison University, Harrisonburg, VA 22807, USA. ; INFN, Sezione di Ferrara, 44100 Ferrara, Italy. Universita di Ferrara, 44122 Ferrara, Italy. ; Yerevan Physics Institute, 375036 Yerevan, Armenia. University of New Hampshire, Durham, NH 03824-3568, USA. ; Thomas Jefferson National Accelerator Facility, Newport News, VA 23606, USA. Kyungpook National University, Daegu 702-701, Republic of Korea. ; INFN, Laboratori Nazionali di Frascati, 00044 Frascati, Italy. ; California State University, Dominguez Hills, Carson, CA 90747, USA. ; Old Dominion University, Norfolk, VA 23529, USA. University of Virginia, Charlottesville, VA 22901, USA. ; The George Washington University, Washington, DC 20052, USA. ; Edinburgh University, Edinburgh EH9 3JZ, UK. ; Rensselaer Polytechnic Institute, Troy, NY 12180-3590, USA. ; Universita di Genova, 16146 Genova, Italy. ; Laboratoire de Physique Subatomique et de Cosmologie, Universite Joseph Fourier, CNRS/IN2P3, Institut National Polytechnique, Grenoble, France. ; University of South Carolina, Columbia, SC 29208, USA. Canisius College, Buffalo, NY 14208, USA. ; University of New Hampshire, Durham, NH 03824-3568, USA. Edinburgh University, Edinburgh EH9 3JZ, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25323697" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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