Odderon Exchange from Elastic Scattering Differences between pp and pp[over ¯] Data at 1.96 TeV and from pp Forward Scattering Measurements.
Odderon Exchange from Elastic Scattering Differences between pp and pp[over ¯] Data at 1.96 TeV and from pp Forward Scattering Measurements.
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Odderon 交换来自 pp 和 pp[over ¯] 1.96 TeV 下的弹性散射差异以及来自 pp 前向散射测量的数据。
DOI：
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发表时间：
2021
影响因子：
8.6
通讯作者：
L. Živković
中科院分区：
文献类型：
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作者：
V. Abazov;B. Abbott;B. Acharya;M. Adams;T. Adams;J. Agnew;G. Alexeev;G. Alkhazov;A. Alton;G. Alves;G. Antchev;A. Askew;P. Aspell;A. C. S. Assis Jesus;I. Atanassov;S. Atkins;K. Augsten;V. Aushev;Y. Aushev;V. Avati;C. Avila;F. Badaud;J. Baechler;L. Bagby;C. Baldenegro Barrera;B. Baldin;D. Bandurin;S. Banerjee;E. Barberis;P. Baringer;J. Barreto;J. Bartlett;U. Bassler;V. Bazterra;A. Bean;M. Begalli;L. Bellantoni;V. Berardi;S. Beri;G. Bernardi;R. Bernhard;M. Berretti;I. Bertram;M. Besançon;R. Beuselinck;P. Bhat;S. Bhatia;V. Bhatnagar;G. Blazey;S. Blessing;K. Bloom;A. Boehnlein;D. Boline;E. Boos;V. Borchsh;G. Borissov;M. Borysova;E. Bossini;U. Bottigli;M. Bozzo;A. Brandt;O. Brandt;M. Brochmann;R. Brock;A. Bross;D. Brown;X. Bu;M. Buehler;V. Buescher;V. Bunichev;S. Burdin;H. Burkhardt;C. Buszello;F. Cafagna;E. Camacho;W. Carvalho;B. Casey;H. Castilla;M. Catanesi;S. Caughron;S. Chakrabarti;K. Chan;A. Chandra;E. Chapon;G. Chen;S. Cho;S. Choi;B. Choudhary;S. Cihangir;D. Claes;J. Clutter;M. 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我们描述了一种分析，比较了 D0 协作在 1.96 TeV 质心能量下测量的 pp[over ¯] 弹性截面与 TOTEM 协作在 2.76、7、8 和 13 TeV 处使用独立于模型的方法测量的 pp 碰撞中的弹性截面。将 TOTEM 横截面外推至 sqrt[s]=1.96 TeV 的质心能量，与 pp 横截面的衍射最小值和第二最大值区域中的 D0 测量值进行比较。这两个数据集在 3.4σ 水平上不一致，因此为无色 C 奇数胶子化合物（也称为奇数子）的 t 通道交换提供了证据。我们将这些结果与基于总横截面和 pp 散射中正向弹性强相互作用散射振幅的实部与虚部之比的相同 C 奇交换的 TOTEM 分析相结合，其显着性在 3.4σ 和 4.6σ 之间。综合显着性大于 5σ，被解释为首次观察到无色奇数碳糖化合物的交换。
We describe an analysis comparing the pp[over ¯] elastic cross section as measured by the D0 Collaboration at a center-of-mass energy of 1.96 TeV to that in pp collisions as measured by the TOTEM Collaboration at 2.76, 7, 8, and 13 TeV using a model-independent approach. The TOTEM cross sections, extrapolated to a center-of-mass energy of sqrt[s]=1.96 TeV, are compared with the D0 measurement in the region of the diffractive minimum and the second maximum of the pp cross section. The two data sets disagree at the 3.4σ level and thus provide evidence for the t-channel exchange of a colorless, C-odd gluonic compound, also known as the odderon. We combine these results with a TOTEM analysis of the same C-odd exchange based on the total cross section and the ratio of the real to imaginary parts of the forward elastic strong interaction scattering amplitude in pp scattering for which the significance is between 3.4σ and 4.6σ. The combined significance is larger than 5σ and is interpreted as the first observation of the exchange of a colorless, C-odd gluonic compound.