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Open charm production and asymmetry in pNe collisions at sNN=68.5GeV.

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Title: Open charm production and asymmetry in pNe collisions at sNN=68.5GeV.
Authors: Aaij, R.1 (AUTHOR), Abdelmotteleb, A. S. W.2 (AUTHOR), Abellan Beteta, C.3 (AUTHOR), Abudinén, F.2 (AUTHOR), Ackernley, T.4 (AUTHOR), Adeva, B.5 (AUTHOR), Adinolfi, M.6 (AUTHOR), Adlarson, P.7 (AUTHOR), Afsharnia, H.8 (AUTHOR), Agapopoulou, C.9 (AUTHOR), Aidala, C. A.10 (AUTHOR), Ajaltouni, Z.8 (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. Jun2023, Vol. 83 Issue 6, p1-11. 11p.
Subjects: Particles (Nuclear physics), Mesons, Protons, Neon, Proton-proton interactions, Forecasting
Abstract: A measurement of D 0 meson production by the LHCb experiment in its fixed-target configuration is presented. The production of D 0 mesons is studied with a beam of 2.5 Te V protons colliding on a gaseous neon target at rest, corresponding to a nucleon–nucleon centre-of-mass energy of s NN = 68.5 Ge V . The sum of the D 0 and D ¯ 0 production cross-section in p Ne collisions in the centre-of-mass rapidity range y ⋆ ∈ [ - 2.29 , 0 ] is found to be σ D 0 y ⋆ ∈ [ - 2.29 , 0 ] = 48.2 ± 0.3 ± 4.5 μ b / nucleon where the first uncertainty is statistical and the second is systematic. The D 0 - D ¯ 0 production asymmetry is also evaluated and suggests a trend towards negative values at large negative y ⋆ . The considered models do not account precisely for all the features observed in the LHCb data, but theoretical predictions including 1 % intrinsic charm and 10 % recombination contributions better describe the data than the other models considered. [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: Open charm production and asymmetry in pNe collisions at sNN=68.5GeV.
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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="%22Abellan+Beteta%2C+C%2E%22">Abellan Beteta, C.</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="%22Adlarson%2C+P%2E%22">Adlarson, P.</searchLink><relatesTo>7</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Afsharnia%2C+H%2E%22">Afsharnia, H.</searchLink><relatesTo>8</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Agapopoulou%2C+C%2E%22">Agapopoulou, C.</searchLink><relatesTo>9</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Aidala%2C+C%2E+A%2E%22">Aidala, C. A.</searchLink><relatesTo>10</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ajaltouni%2C+Z%2E%22">Ajaltouni, Z.</searchLink><relatesTo>8</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>. Jun2023, Vol. 83 Issue 6, 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="%22Mesons%22">Mesons</searchLink><br /><searchLink fieldCode="DE" term="%22Protons%22">Protons</searchLink><br /><searchLink fieldCode="DE" term="%22Neon%22">Neon</searchLink><br /><searchLink fieldCode="DE" term="%22Proton-proton+interactions%22">Proton-proton interactions</searchLink><br /><searchLink fieldCode="DE" term="%22Forecasting%22">Forecasting</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: A measurement of D 0 meson production by the LHCb experiment in its fixed-target configuration is presented. The production of D 0 mesons is studied with a beam of 2.5 Te V protons colliding on a gaseous neon target at rest, corresponding to a nucleon–nucleon centre-of-mass energy of s NN = 68.5 Ge V . The sum of the D 0 and D ¯ 0 production cross-section in p Ne collisions in the centre-of-mass rapidity range y ⋆ ∈ [ - 2.29 , 0 ] is found to be σ D 0 y ⋆ ∈ [ - 2.29 , 0 ] = 48.2 ± 0.3 ± 4.5 μ b / nucleon where the first uncertainty is statistical and the second is systematic. The D 0 - D ¯ 0 production asymmetry is also evaluated and suggests a trend towards negative values at large negative y ⋆ . The considered models do not account precisely for all the features observed in the LHCb data, but theoretical predictions including 1 % intrinsic charm and 10 % recombination contributions better describe the data than the other models considered. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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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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