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Charmonium production in pNe collisions at sNN=68.5 GeV.

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Title: Charmonium production in pNe collisions at sNN=68.5 GeV.
Authors: Aaij, R.1 (AUTHOR), Abdelmotteleb, A. S. W.2 (AUTHOR), Beteta, C. Abellan3 (AUTHOR), Abudinén, F.2 (AUTHOR), Ackernley, T.4 (AUTHOR), Adeva, B.5 (AUTHOR), Adinolfi, M.6 (AUTHOR), Afsharnia, H.7 (AUTHOR), Agapopoulou, C.8 (AUTHOR), Aidala, C. A.9 (AUTHOR), Aiola, S.10 (AUTHOR), Ajaltouni, Z.7 (AUTHOR), Akar, S.11 (AUTHOR), Akiba, K.1 (AUTHOR), Albrecht, J.12 (AUTHOR), Alessio, F.13 (AUTHOR), Alexander, M.14 (AUTHOR), Alfonso Albero, A.15 (AUTHOR), Aliouche, Z.16 (AUTHOR), Alvarez Cartelle, P.17 (AUTHOR)
Source: European Physical Journal C -- Particles & Fields. Jul2023, Vol. 83 Issue 7, p1-11. 11p.
Subjects: Particles (Nuclear physics), Charmonium, Hadrons, Mesons, Proton-proton interactions, Luminosity, Protons
Abstract: The measurement of charmonium states produced in proton-neon ( p Ne ) collisions by the LHCb experiment in its fixed-target configuration is presented. The production of J / ψ and ψ (2 S) mesons is studied with a beam of 2.5 Te V protons colliding on gaseous neon targets at rest, corresponding to a nucleon-nucleon centre-of-mass energy s NN = 68.5 Ge V . The data sample corresponds to an integrated luminosity of 21.7 ± 1.4 nb - 1 . The J / ψ and ψ (2 S) hadrons are reconstructed in μ + μ - final states. The J / ψ production cross-section per target nucleon in the centre-of-mass rapidity range y ⋆ ∈ [ - 2.29 , 0 ] is found to be 506 ± 8 ± 46 nb/nucleon . The ratio of J / ψ and D 0 cross-sections is evaluated to (1.06 ± 0.02 ± 0.09) % . The ψ (2 S) to J / ψ relative production rate is found to be (1.67 ± 0.27 ± 0.10) % in good agreement with other measurements involving beam and target nuclei of similar sizes. [ABSTRACT FROM AUTHOR]
Copyright of European Physical Journal C -- Particles & Fields is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Charmonium production in pNe collisions at sNN=68.5 GeV.
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  Data: <searchLink fieldCode="AR" term="%22Aaij%2C+R%2E%22">Aaij, R.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Abdelmotteleb%2C+A%2E+S%2E+W%2E%22">Abdelmotteleb, A. S. W.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Beteta%2C+C%2E+Abellan%22">Beteta, C. Abellan</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Abudinén%2C+F%2E%22">Abudinén, F.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ackernley%2C+T%2E%22">Ackernley, T.</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Adeva%2C+B%2E%22">Adeva, B.</searchLink><relatesTo>5</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Adinolfi%2C+M%2E%22">Adinolfi, M.</searchLink><relatesTo>6</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Afsharnia%2C+H%2E%22">Afsharnia, H.</searchLink><relatesTo>7</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Agapopoulou%2C+C%2E%22">Agapopoulou, C.</searchLink><relatesTo>8</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Aidala%2C+C%2E+A%2E%22">Aidala, C. A.</searchLink><relatesTo>9</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Aiola%2C+S%2E%22">Aiola, S.</searchLink><relatesTo>10</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ajaltouni%2C+Z%2E%22">Ajaltouni, Z.</searchLink><relatesTo>7</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Akar%2C+S%2E%22">Akar, S.</searchLink><relatesTo>11</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Akiba%2C+K%2E%22">Akiba, K.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Albrecht%2C+J%2E%22">Albrecht, J.</searchLink><relatesTo>12</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Alessio%2C+F%2E%22">Alessio, F.</searchLink><relatesTo>13</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Alexander%2C+M%2E%22">Alexander, M.</searchLink><relatesTo>14</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Alfonso+Albero%2C+A%2E%22">Alfonso Albero, A.</searchLink><relatesTo>15</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Aliouche%2C+Z%2E%22">Aliouche, Z.</searchLink><relatesTo>16</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Alvarez+Cartelle%2C+P%2E%22">Alvarez Cartelle, P.</searchLink><relatesTo>17</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22European+Physical+Journal+C+--+Particles+%26+Fields%22">European Physical Journal C -- Particles & Fields</searchLink>. Jul2023, Vol. 83 Issue 7, p1-11. 11p.
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  Data: <searchLink fieldCode="DE" term="%22Particles+%28Nuclear+physics%29%22">Particles (Nuclear physics)</searchLink><br /><searchLink fieldCode="DE" term="%22Charmonium%22">Charmonium</searchLink><br /><searchLink fieldCode="DE" term="%22Hadrons%22">Hadrons</searchLink><br /><searchLink fieldCode="DE" term="%22Mesons%22">Mesons</searchLink><br /><searchLink fieldCode="DE" term="%22Proton-proton+interactions%22">Proton-proton interactions</searchLink><br /><searchLink fieldCode="DE" term="%22Luminosity%22">Luminosity</searchLink><br /><searchLink fieldCode="DE" term="%22Protons%22">Protons</searchLink>
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  Data: The measurement of charmonium states produced in proton-neon ( p Ne ) collisions by the LHCb experiment in its fixed-target configuration is presented. The production of J / ψ and ψ (2 S) mesons is studied with a beam of 2.5 Te V protons colliding on gaseous neon targets at rest, corresponding to a nucleon-nucleon centre-of-mass energy s NN = 68.5 Ge V . The data sample corresponds to an integrated luminosity of 21.7 ± 1.4 nb - 1 . The J / ψ and ψ (2 S) hadrons are reconstructed in μ + μ - final states. The J / ψ production cross-section per target nucleon in the centre-of-mass rapidity range y ⋆ ∈ [ - 2.29 , 0 ] is found to be 506 ± 8 ± 46 nb/nucleon . The ratio of J / ψ and D 0 cross-sections is evaluated to (1.06 ± 0.02 ± 0.09) % . The ψ (2 S) to J / ψ relative production rate is found to be (1.67 ± 0.27 ± 0.10) % in good agreement with other measurements involving beam and target nuclei of similar sizes. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of European Physical Journal C -- Particles & Fields is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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